senior network systems engineer

Blackwatch International Corporation

<div>Blackwatch International Corporation (Blackwatch) is a small business founded in 2010 and dedicated to supporting Federal business and national security objectives. Our headquarters are in McLean, VA, with satellite offices in Sacramento, CA.
Blackwatch invests in innovation and quality for our customers and staff, holding corporate-level ISO 9001:2015, ISO/IEC 27001:2013, and ISO/IEC 20000-1:2018, CMMC Level 2, and CMMI Level 3 certifications. We are a leading provider of information technology (IT) infrastructure, cybersecurity, DevSecOps, data exploitation, and engineering services, specializing in large and complex projects. Blackwatch is dedicated to growth and offers a dynamic working environment with multiple opportunities for advancement.
Position Location: Alexandria (On-site, Virtual, and Telework support)
Position Type: Full-Time
Years of Experience: 8+ years
Security Clearance: Ability to obtain Public Trust (or higher if required)
US Citizenship Required: Yes, with Real ID
Position Description
The Senior Network Engineer positions will be part of 70-person End User Services and Audio Visual (AV) Collaboration Support team supporting the United States Patent and Trademark Office (USPTO), an agency within the U.S. Department of Commerce, responsible for granting U.S. patents and registering trademarks, playing a vital role in fostering innovation, protecting intellectual property, and supporting economic growth. To carry out this mission, USPTO depends on a modern, secure, and highly available information technology environment that supports a geographically dispersed workforce, extensive telework capabilities, and high-demand public-facing systems. The Office of the Chief Information Officer (OCIO) is central to this effort, delivering reliable, innovative, and secure IT services that enhance productivity, communication, and collaboration for leadership, employees, and external stakeholders.
The Senior Network Engineer positions support the USPTO OCIO mission by providing comprehensive End User Services and Audio Visual (AV) Collaboration Support across enterprise environments, ensuring seamless IT service delivery while advancing modernization and improving the overall user experience. The scope includes support for desktop services across headquarters, regional, and satellite offices, warehouse operations, telework services, and AV and collaboration capabilities, creating a cohesive and resilient IT ecosystem for both on-site and remote users. This project is focused on maintaining reliable operations through the sustainment and enhancement of legacy systems while also enabling modernization through the introduction of innovative technologies and solutions that align with evolving mission needs. The End User Services and Audio Visual (AV) Collaboration Support project supports 12,895 teleworkers in which 96.14% of USPTO employees are teleworking at least one day a week with 11,405 of those teleworkers working from home five days per week. USPTO maintains over 17,800 laptop/desktop computers for employees and on-site support contractors, and over 26,800 printers. The warehouse contains over 190 different IT items with approximately 11,000 serialized items and a total of 20,000 items currently stored.
The Senior Network Engineer is responsible for the design, configuration, installation, testing, maintenance, and troubleshooting of enterprise network infrastructure supporting USPTO end-user services, including LAN, WAN, wireless connectivity, and Voice and Video Teleconferencing (VTC) systems. This role ensures reliable, secure, and high-performing network connectivity across headquarters, regional offices, telework environments, and field locations in support of mission-critical operations. The Senior Network Engineer works within a service-oriented, Agile delivery environment and may operate in a supervisory capacity as needed to support field technicians and coordinate network support activities.
In alignment with the broader End User Services and Operations Support (EUSOS) program, the Senior Network Engineer plays a key role in enabling seamless connectivity between servers, end-user devices, collaboration platforms, and cloud-based services. This position supports both proactive network optimization and reactive incident resolution, ensuring minimal downtime and rapid restoration of services in accordance with established service level agreements (SLAs). The Network Engineer collaborates closely with field engineers, desktop support teams, and enterprise stakeholders to deliver integrated IT and communications solutions that enhance productivity, reliability, and user experience.
The Senior Network Engineer is responsible for configuring and testing network devices such as routers, switches, hubs, gateways, and related infrastructure components to ensure proper operation and interoperability across systems. This includes staging and validating SOHO routers and other network equipment for deployment, supporting equipment swaps, and ensuring successful integration into existing environments. The role also involves troubleshooting complex network issues, including connectivity problems related to Active Directory, DNS, DHCP, and other core services, while applying structured diagnostic methods and root cause analysis to identify and resolve issues efficiently.
This position provides technical assistance and end-user support via phone, email, remote tools, or in-person interaction, responding to network-related incidents and service requests. The Senior Network Engineer gathers detailed user input, asks targeted diagnostic questions, and applies technical expertise to quickly identify and resolve problems. In addition, the role generates operational reports, documents service activities, and provides recommendations for network improvements and infrastructure enhancements to management for review and planning purposes.
Responsibilities<div><ul><li>
Install, configure, test, and maintain network infrastructure including routers, switches, hubs, gateways, and related devices</li><li>
Support LAN, WAN, wireless, and Voice/Video Teleconferencing (VTC) connectivity across enterprise environments</li><li>
Configure and validate network components to ensure secure and reliable connectivity between servers, endpoints, and cloud services</li><li>
Stage, test, and deploy SOHO routers and other network equipment for installation, replacement, and troubleshooting activities</li><li>
Troubleshoot complex network issues, including connectivity problems involving Active Directory, DNS, DHCP, and related services</li><li>
Analyze network performance and traffic to identify root causes of outages, latency, or connectivity degradation</li><li>
Provide technical support to end users via phone, email, remote tools, and in-person assistance for network-related issues</li><li>
Gather and analyze user-reported issues, ask diagnostic questions, and implement effective resolution strategies</li><li>
Coordinate with field engineers, desktop support teams, and infrastructure teams to resolve incidents and implement changes</li><li>
Perform network testing, validation, and quality assurance on installed or replaced equipment</li><li>
Maintain accurate documentation of network configurations, procedures, troubleshooting steps, and incident resolutions</li><li>
Generate reports and service request documentation for management review, analysis, and operational tracking</li><li>
Monitor, respond to, and resolve network-related incidents and service requests in accordance with SLAs</li><li>
Support network equipment lifecycle management, including installation, upgrades, replacements, and decommissioning</li><li>
Participate in root cause analysis (RCA) for network outages and recurring issues, implementing corrective actions</li><li>
Recommend improvements to network architecture, performance, and reliability based on analysis and operational trends</li><li>
Collaborate with cross-functional teams and vendors to support deployments, upgrades, and issue resolution</li><li>
Promote knowledge sharing and maintain technical documentation and best practices across support teams</li><li>
Support Agile team operations and participate in continuous improvement initiatives</li><li>
Provide leadership or supervisory support for network-related tasks and field operations as needed</li></ul></div>
Minimum Qualifications<div><ul><li>
Bachelor&rsquo;s degree in Information Technology, Computer Science, Engineering, or related technical field required (Master&rsquo;s degree preferred)</li><li>
Minimum of 8+ years of progressive experience in network engineering, infrastructure support, or enterprise IT environments (or 6+ years with a Master&rsquo;s degree)</li><li>
Demonstrated experience providing technical leadership on major network engineering tasks and mission-critical infrastructure initiatives</li><li>
Expert-level knowledge of enterprise network architecture, including LAN, WAN, routing, switching, and wireless technologies</li><li>
Advanced experience configuring, installing, and maintaining network devices such as routers, switches, gateways, and firewalls</li><li>
Strong experience supporting enterprise services including DNS, DHCP, Active Directory integration, and authentication services</li><li>
Proven ability to troubleshoot complex, high-impact network issues in large-scale enterprise environments</li><li>
Experience supporting Voice over IP (VoIP) and Video Teleconferencing (VTC) systems and related infrastructure</li><li>
Experience staging, testing, deploying, and validating network equipment, including SOHO and enterprise-grade devices</li><li>
Ability to analyze network performance, identify root causes of outages, and implement corrective and preventive solutions</li><li>
Experience leading or overseeing junior and mid-level engineers in operational or project-based work</li><li>
Strong experience working in IT service management environments using ticketing systems (e.g., SMP, ServiceNow, or equivalent)</li><li>
Demonstrated ability to develop technical documentation, network diagrams, reports, and operational procedures</li><li>
Experience generating executive-level reports and providing technical recommendations to management</li><li>
Strong communication skills with the ability to engage technical and non-technical stakeholders effectively</li><li>
Experience participating in or leading root cause analysis (RCA) for critical network incidents and outages</li><li>
Proven ability to work independently while establishing goals, priorities, and technical direction aligned to mission objectives</li><li>
Experience working in Agile or cross-functional enterprise IT environments</li><li>
U.S. Citizenship required</li><li>
Ability to obtain and maintain a Public Trust clearance or higher</li></ul></div>
Preferred<div><ul><li>
Industry certifications such as CCNP, CCIE, Network+, Security+, or equivalent advanced networking certifications</li><li>
Experience supporting federal government or highly regulated enterprise environments</li><li>
Experience with network monitoring, automation, or performance management tools</li><li>
Experience supporting large-scale VTC and collaboration infrastructure in mission-critical environments</li></ul></div></div>

Senior Network Engineer

General Dynamics Information Technology

<div><div><div>Your Impact
Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure.
Job Description<div>
Advance how our customers operate while you advance your career. Join GDIT as a Senior Systems Engineer and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.
As a Senior Systems Engineer, the work you&rsquo;ll do at GDIT will be impactful to the mission of the Army's Network Enterprise Technology Command. You will play a crucial role in providing Information Technology System Engineering, Capability Management, Tier III and Service Support Management, and Risk Management Framework support to employ Enterprise Protected Domain Name Services to specified Non-Classified Internet Protocol Router Network (NIPRNET), Secret Internet Protocol Router Network (SIPRNET), and Deployed Forces (DF) portion of the Department of Defense Information Network (DOWIN).
Selected candidate will support operations onsite at our Fort Huachuca, AZ facility. 
 
MEANINGFUL WORK AND PERSONAL IMPACT:<ul><li>
Lead/Manage/Support by performing all procedures necessary to ensure the security of information systems assets and to protect systems from intentional or inadvertent access or destruction.</li><li>
Collaborate with your peers to provide planning, design, development, engineering, integration, and technical and operational support to the ADCNOMS project and Army DNS systems.</li><li>
Drive success by delivering comprehensive technical, logistical, programmatic, accreditation, configuration, maintenance, and operational oversight for EP‑DNS, including scheduling, testing, integration, validation, documentation updates, and service reporting.</li><li>
Ensure the integrity and accuracy of system configurations by maintaining complete and current configuration management records.</li><li>
Provide Tier III support for EP‑DNS and DNS‑related infrastructure, performing advanced troubleshooting and service restoration as needed.</li><li>
Conduct cybersecurity analysis and support RMF compliance activities, including actions required for IAVA‑related findings.</li><li>
Coordinate, review, and maintain system documentation and provide clear guidance on the use and administration of EP‑DNS capabilities for personnel at all levels.</li><li>
Utilize your expertise across Unclassified and Classified networks, including DNSSEC signing and validation, Infoblox DDI configuration, grid management, and IPAM workflows.</li><li>
Demonstrate strong ability in auditing and troubleshooting ISC BIND, researching IAVM/IAVA vulnerabilities, and developing shell scripts to automate data‑gathering tasks in laboratory environments.</li><li>
Install and configure test‑environment components such as Solaris‑based DNS servers, Oracle database servers, Infoblox and SafeNet appliances, and JRE environments. 
Provide Tier III DNS support, performing advanced troubleshooting, root cause analysis, and validation of mission‑system changes.</li><li>
Support operational oversight, service reporting, and thorough documentation within enterprise ticketing systems and audit logs.</li><li>
Demonstrate familiarity with auditing large‑scale TCP/IP schemes and experience with Hyper‑V, VMware, meta‑database environments, PowerShell scripting, the Microsoft Office suite, and Microsoft Visio.</li></ul> 
WHAT YOU&rsquo;LL NEED TO SUCCEED (Required): 
Bring your technology expertise and drive for innovation to GDIT. The Senior Systems Engineer must have:
Education: Bachelor&rsquo;s Degree. An additional 4 years of experience may be substituted in lieu of degree.
Security Clearance: Active Secret required. In addition, selected candidate must be able to obtain a Top Secret/SCI clearance post hire.
Experience: 5+ years of related experience.
Certification: DoW 8570 IAT Level III Certification and Computing Environment Certification.
Role Requirements:<ul><li>
Experience in System Cybersecurity Management, RMF control implementation, and compliance validation.</li><li>
Experience applying mitigation actions from security findings and maintaining configuration baselines across EP‑DNS lab and production systems.</li><li>
Demonstrated ability to maintain accurate and current system documentation, diagrams, SOPs, and configuration records.</li><li>
Ability to support full-time onsite work schedule.</li></ul>
GDIT IS YOUR PLACE: 
At GDIT, the mission is our purpose, and our people are at the center of everything we do.<ul><li>
Growth: AI-powered career tool that identifies career steps and learning opportunities.</li><li>
Support: An internal mobility team focused on helping you achieve your career goals.</li><li>
Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off.</li><li>
Flexibility: Full-flex work week to own your priorities at work and at home.</li><li>
Community: Award-winning culture of innovation and a military-friendly workplace</li></ul> 
OWN YOUR OPPORTUNITY:<ul><li>
Explore an enterprise IT career at GDIT and you&rsquo;ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.</li></ul>
</div></div><div><div><div>Work Requirements</div></div><div></div><div><div>
Years of Experience<div>
5 + years of related experience</div><ul><li>may vary based on technical training, certification(s), or degree</li></ul></div><div></div><div>
Certification
Certified Information Systems Auditor (CISA) | Information Systems Audit and Control Association (ISACA) - Information Systems Audit and Control Association (ISACA)
Certified Network Professional Enterprise (CCNP) | Cisco - Cisco
CompTIA SecurityX CE | CompTIA - CompTIA
Certified Information Systems Security Professional (CISSP) | International Information System Security Certification Consortium (ISC2) - International Information System Security Certification Consortium (ISC2)</div><div></div><div>
Travel Required<div>
Less than 10%</div></div><div></div><div>
Citizenship<div>
U.S. Citizenship Required</div></div></div></div></div><div>
Salary and Benefit Information<div>
The likely salary range for this position is $88,130 - $108,100. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. 
View information about benefits and our total rewards program.</div>
About Our Work<div>
We are GDIT. A global technology and professional services company that delivers technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across over 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber and application development. Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.</div><div>
Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.</div><div>
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans</div></div></div>

Senior Systems Engineer - Enterprise Protected Domain Name Service

Humana

<div><h1 class="jobSectionHeader">Become a part of our caring community 
</h1>
The Senior Network Engineer designs, analyzes, plans and modifies network components supporting customer communication implementation activities. The Senior Network Engineer work assignments involve moderately complex to complex issues where the analysis of situations or data requires an in-depth evaluation of variable factors.
Job Description
The Senior Network Engineer (Remote Solutions) is responsible for developing and evaluating remote site solutions throughout Humana and its subsidiaries. This role prepares analyses of short-term and long-term capacity requirements for switching, routing, transmission, and signaling. It involves conducting SDWAN network design and testing, as well as feasibility and cost studies. The engineer develops standard solutions and establishes the required sequence of network activities. Site growth and expansion evaluations are conducted to determine the impact on remote services. The Senior Network Engineer actively participates in departmental strategy and makes decisions on moderately complex to highly complex technical issues related to project components. Work is performed independently, with considerable latitude in determining objectives and approaches to assignments. The position requires participation in on-call and implementation duties during nights and weekends, as needed. Humana seeks a Senior Network Engineer who will deliver solutions for multi-platform network connectivity. This critical role within Humana&rsquo;s IT organization encompasses engineering and design, planning, implementation, and the establishment of operational and maintenance programs to deliver best-in-class, next-generation SDWAN and remote site infrastructure. Responsibilities include optimizing all aspects of the remote network ecosystem, such as performance, resiliency, availability, resource utilization, and innovation. Additionally, this position provides cloud network design, engineering, and administrative support for both physical and virtual networking devices within multi-platform environments. The Senior Network Engineer is responsible for leveraging highly available networking technologies in a heterogeneous environment.
The scope will include the following areas of concentration:<ul><li>
Network engineering and implementation expertise supporting multiple software defined network overlay technologies; Planning, designing, and deploying new network infrastructure and connectivity for complex environments.</li><li>
Overseeing and performing administration, configuration, and monitoring of all network equipment &amp; cloud resources (switches, routers, firewalls, Expressroute Gateways, User Defined Route tables, etc.).</li><li>
Support the elimination of existing datacenter dependencies to enable cloud/fastest-path access (i.e. VPN, Web Proxy, etc...)</li><li>
Connectivity solutions for supporting a hybrid cloud strategy;</li><li>
WAN circuit topology and telco/carrier technical integration.</li></ul> 
Engineering responsibilities for these areas of concentration include, but are not limited:
<ul><li>Design and implement complex solutions across multiple SD-WAN and wireless platforms.</li><li>
Build and maintain robust authentication policies using Aruba ClearPass Policy Manager and Cisco ISE.</li><li>
Develop integrations for Zscaler ZIA with existing firewall stacks and edge infrastructure.</li><li>
Manage high-availability environments across diverse switching and wireless platforms.</li><li>
Participate in the lifecycle of multiple large-scale projects, ensuring high-quality delivery through rigorous Methods of Procedure (MOPs).</li><li>
Serve as a technical mentor to junior and mid-level engineers, conduct deep-dive technical reviews, and foster a culture of documentation with attention to detail.</li><li>
Partnering with internal and external business groups to develop technical solutions to meet business objectives.</li><li>
Design for new solutions;</li><li>
Standard solution configuration;</li><li>
Technology roadmap development, management, and maintenance;</li><li>
Documenting and updating all network infrastructure and supported business processes.</li><li>
Capacity and performance planning;</li><li>
 Integration with related infrastructure engineering efforts;</li><li>
Alignment and integration with information security requirements;</li><li>
Disaster recovery/business continuity integration.</li><li>
Continuous knowledge and skills improvement;</li><li>
WAN circuit topology and telco/carrier technical integration;</li><li>
Assist in motivating and growing the Network Engineering team to its next level of maturity, agility (NetDevOps) and scalability;</li><li>
Help build foundation and help define capabilities and processes to address network needs in tactical and strategic terms;</li><li>
L4 Troubleshooting &amp; resolving network issues and outages;</li><li>
Application performance troubleshooting using network/cloud tools and methodology;</li><li>
Define, documenting, and enforcing network standards;</li><li>
Perform after-hours solutions implementation;</li><li>
 Support other teams as needed, after-hours;</li><li>
 Participates in on-call rotation as needed</li><li>
 Write &amp; maintain documentation &amp; SOP's for other operations teams.</li></ul><h1 class="jobSectionHeader"> 
Use your skills to make an impact 

</h1>Required Qualifications:<ul><li>
BS/BA, preferably in a technical or scientific field or in lieu of BS/BA, 4+ years industry experience + industry certifications</li><li>
4+ years of experience working with SDWAN architecture network designs, implementations, and support</li><li>
Network engineering certification such as CCNP, Fortinet NSE or equivalent</li><li>
4+ years of technical network engineering experience, and 3+ years of project leadership experience</li><li>
4+ years of Layer 2/ Layer 3 network architectural design (WAN/Cloud/Data Center) and engineering experience</li><li>
4+ years of experience working with BGP and other WAN technologies</li><li>
Strong experience supporting large-scale environments and remote sites</li><li>
Experience with Cisco networking equipment &bull; Experience with Palo Alto Firewalls</li><li>
Experience in Site-to-Site VPN technologies</li><li>
Knowledge of QoS and network security functions (firewalls, VPN, IPS, etc)</li><li>
Ability to manage complex multi-organizational projects</li><li>
Experience with implementing and operating software-defined network environments (Cisco, Aruba, Fortinet, Meraki etc.)</li><li>
Vendor management skills (hardware/software security vendors as well as third party vendors)</li><li>
 Experience working with Data Center Colocation facilities and virtual network fabric provided by vendors such as Equinix and Mega-Port.</li><li>
US Citizenship</li><li>
Pass eQIP certification background check</li></ul>
Preferred Qualifications<ul><li>
Demonstrated experience with DevOps</li><li>
Infrastructure as Code experience</li><li>
Programming/scripting languages and frameworks knowledge and experience, in support of automation (Python, Ansible, etc.)</li><li>
Familiarity with Akamai, ZScaler, and ThousandEyes</li><li>
Experience with AGILE methodology &amp; ITSM processes</li><li>
Understanding of CSP network offerings and how to apply them to public cloud providers (Amazon AWS, MS Azure, Google GCP).</li><li>
Understanding of Cloud Network Security technologies</li><li>
Familiarity with public cloud provider PaaS and SaaS offerings (e.g. Azure Kubernetes Service, Application Service Environment, etc.) Data Center infrastructure solutions: Cisco (R&amp;S), Palo Alto (NGFW + IDS/IPS functions), Infoblox (DDI), Cisco ISE, also implemented on Cisco products</li></ul> 
Additional Information
Work-At-Home Requirements<ul><li>
WAH requirements: Must have the ability to provide a high speed DSL or cable modem for a home office. Associates or contractors who live and work from home in the state of California will be provided payment for their internet expense.</li><li>
A minimum standard speed for optimal performance of 25x10 (25mpbs download x 10mpbs upload) is required.</li><li>
Satellite and Wireless Internet service is NOT allowed for this role.</li><li>
A dedicated space lacking ongoing interruptions to protect member PHI / HIPAA information</li></ul>
#LI-Remote
Travel: While this is a remote position, occasional travel to Humana's offices for training or meetings may be required.
Scheduled Weekly Hours
40
Pay Range
The compensation range below reflects a good faith estimate of starting base pay for full time (40 hours per week) employment at the time of posting. The pay range may be higher or lower based on geographic location and individual pay will vary based on demonstrated job related skills, knowledge, experience, education, certifications, etc. 

$97,900 - $133,500 per year 

This job is eligible for a bonus incentive plan. This incentive opportunity is based upon company and/or individual performance.
Description of Benefits
Humana, Inc. and its affiliated subsidiaries (collectively, &ldquo;Humana&rdquo;) offers competitive benefits that support whole-person well-being. Associate benefits are designed to encourage personal wellness and smart healthcare decisions for you and your family while also knowing your life extends outside of work. Among our benefits, Humana provides medical, dental and vision benefits, 401(k) retirement savings plan, time off (including paid time off, company and personal holidays, volunteer time off, paid parental and caregiver leave), short-term and long-term disability, life insurance and many other opportunities.<h1 class="jobSectionHeader"> 
About us 
</h1>
About Humana: Humana Inc. (NYSE: HUM) is a leading U.S. healthcare company. Through our Humana insurance services and our CenterWell healthcare services, we make it easier for the millions of people we serve to achieve their best health &ndash; delivering the care and service they need, when they need it. These efforts are leading to a better quality of life for people with Medicare and Medicaid, families, individuals, military service personnel, and communities at large. Learn more about what we offer at Humana.com and at CenterWell.com. 
 
Equal Opportunity Employer
It is the policy of Humana not to discriminate against any employee or applicant for employment because of race, color, religion, sex, sexual orientation, gender identity, national origin, age, marital status, genetic information, disability or protected veteran status. It is also the policy of Humana to take affirmative action, in compliance with Section 503 of the Rehabilitation Act and VEVRAA, to employ and to advance in employment individuals with disability or protected veteran status, and to base all employment decisions only on valid job requirements. This policy shall apply to all employment actions, including but not limited to recruitment, hiring, upgrading, promotion, transfer, demotion, layoff, recall, termination, rates of pay or other forms of compensation and selection for training, including apprenticeship, at all levels of employment.</div>

TEEMA

<div>Senior Network Engineer &ndash; Huntsville, AL (Onsite) 
Clearance: Active Top Secret required (SCI eligible; CI Poly upon hire) 
Compensation: $135,000&ndash;$145,000 depending on experience
Join a mission-focused federal program supporting secure enterprise infrastructure. This role is ideal for a hands-on network engineer who enjoys solving complex problems, improving performance, and building resilient environments.
What You&rsquo;ll Do<ul><li>
Architect and deploy secure network solutions across multiple classification levels</li><li>
Provide advanced (Tier 3) technical support and root-cause analysis</li><li>
Diagnose and resolve complex LAN/WAN issues involving routing protocols such as BGP, EIGRP, GRE, and DMVPN</li><li>
Work with Cisco routing hardware, including ASR platforms</li><li>
Evaluate network designs through feasibility and cost analysis</li><li>
Produce clear technical documentation and system requirements</li><li>
Partner with government and technical teams to support operational needs</li></ul>
Required Background<ul><li>
Bachelor&rsquo;s degree in a related discipline</li><li>
6+ years designing and implementing enterprise network environments</li><li>
Strong Cisco routing and Layer 2 knowledge (VLANs, STP, MST)</li><li>
Experience troubleshooting complex network infrastructures</li><li>
Active Top Secret clearance and U.S. citizenship</li></ul>
Nice to Have<ul><li>
Cisco certifications (CCNA or higher)</li><li>
Cisco Catalyst Center (DNAC) familiarity</li><li>
SD-WAN experience</li><li>
Prior work within federal intelligence environments</li></ul>
This is a fully onsite position in Huntsville, Alabama, supporting critical secure operations.
#Workwolf</div>

Senior Network Engineer with Top Secret Clearance

Leidos

<div>Description
The Decision Advantage Business Area at Leidos is looking for an experienced Senior Network Engineer to support a fast-paced program with the Air Force Life Cycle Management Center. The ideal candidate will possess extensive experience in network engineering, a strong understanding of DoD IT requirements, and proven leadership skills. You will support the deployment of managed services, workstations, and networks, ensuring compliance with DoD policies and security standards. In addition, they will collaborate with customers and stakeholders to understand requirements and translate them into technical solutions. The Senior Network Engineer will be an integral member of the Network team, collaborating on strategic initiatives and ensuring alignment with overall program goals.
This position the candidate to be local and able to work on-site at our location in Lorton, VA
Primary Responsibilities:<ul><li>
Develop detailed network designs and architectures that align with Department of Defense (DoD) standards.</li><li>
Collaborate with procurement teams to identify and source network hardware and software that meet project specifications.</li><li>
Oversee the installation and configuration of network equipment, including routers, switches, firewalls, and servers.</li><li>
Conduct thorough testing of network systems to ensure functionality, performance, and security compliance.</li><li>
Troubleshoot and resolve issues that arise during installation and testing phases.</li><li>
Maintain accurate documentation of network configurations, installations, and changes.</li><li>
Develop and update network diagrams and other relevant technical documents.</li><li>
Work closely with engineers, project managers, and stakeholders to ensure successful project delivery.</li><li>
Provide technical support and guidance to team members and end-users.</li><li>
Stay updated on DoD policies and best practices related to network security and design.</li><li>
Implement security measures to protect network infrastructure and data.</li><li>
By personal example, set the tone and direction for moral and ethical leadership.</li><li>
Build a culture grounded in the Leidos values, beliefs and expectations and highest standards of ethical and respectful behavior.</li></ul>
Basic Qualifications:
<ul><li>US Citizen with at least an active Top Secret clearance and the ability to obtain a SCI prior to your start date with Leidos.</li><li>
Bachelor&rsquo;s degree with 8+ years of experience or Master&rsquo;s degree with 6+ years of experience. Additional experience may be considered in lieu of a degree.</li><li>
Expert knowledge of networking protocols, routing, and switching technologies (e.g., TCP/IP, BGP, OSPF, VLANs).</li><li>
Expert knowledge of enterprise network design principles and networking technologies, including firewalls, VPNs, and intrusion detection systems.</li><li>
Expert knowledge of networking hybrid cloud architectures, especially to the Azure Cloud.</li><li>
Strong knowledge of protocols, security standards, and design principles for OSI Layers 1-4.</li><li>
Experience with installation and configuration of physical networking equipment and Local Area Networks (LANs).</li><li>
Experience with the design and deployment of Wide Area Networks (WANs) using Virtual Private Networking (VPN) technologies.</li><li>
Experience in interpreting and contextualizing network management and troubleshooting tools and technologies, such as ICMP, SNMPv3, and Syslog.</li><li>
Excellent problem-solving and analytical skills.</li></ul>
Preferred Qualifications:<ul><li>
US Citizen with an active TS/SCI security clearance.</li><li>
Advanced networking certifications (e.g., CCNP, CCIE, CompTIA Network+).</li><li>
Experience with cloud networking and virtualization technologies.</li><li>
Familiarity with network monitoring and management tools (e.g., ServiceNow)</li><li>
Previous experience working with federal government or military customers.</li></ul>
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo &mdash; because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 &mdash; and moving faster than anyone else dares.<h2 class="jobSectionHeader">
Original Posting:</h2>
April 13, 2026 
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.<h2 class="jobSectionHeader"> 
Pay Range:</h2>
Pay Range $107,900.00 - $195,050.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.
Securing Your Data
Beware of fake employment opportunities using Leidos&rsquo; name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system &ndash; never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.</div>

Wood

<div>Wood is currently looking for a TPE IV /Senior Network Engineer to join our project team supporting a strategic gold mine and processing facility in Saudi Arabia. This is a long-term site-based role, with an initial assignment in our Riyadh office prior to mobilization.</div>
 <div><ul><li>Expertise in Data Network Systems.
</li><li>Originate new and revise existing engineering deliverables.
</li><li>Revise and check engineering deliverables against company procedures, standards, and checklists.
</li><li>Supervise engineering work being produced by juniors.
</li><li>Conduct and receive trainings related to job as required.
</li><li>Planning and completion of work within allocated man-hours effectively and plan work to avoid slippage.
</li><li>Interfaces, coordinates and communicate effectively with the Project Manager and other team members.
</li><li>Delegation and distribution work as well as manage billability of team.
</li><li>Coordinates with all disciplines (as necessary) in the preparation and development of the deliverables and ensure that other disciplines input are incorporated.
</li><li>Go for site visits and verify site conditions and markup drawings/perform as-built activities.
</li><li>Manage deliverables submission with required quality checks and proper management of record.
</li><li>Technical report writing and preparation of presentations.
</li><li>Technical bid evaluation, Vendor document review and subcontract scope management.</li></ul></div>
 <div><ul><li>An Engineering degree qualification in Electronics &amp; Communications / Electrical Engineering qualification is essential
</li><li>Minimum of 10 years' experience in the industry
</li><li>Industrial / OT (Operational Technology) background
</li><li>OT cybersecurity experience (Secure industrial control systems (ICS) such as SCADA, DCS, PLCs) It is shaped heavily by the National Cybersecurity Authority (NCA) regulations
</li><li>Telecom experience
</li><li>General IT and networking expertise</li></ul></div>
 <div><div>Wood is a global leader in consulting and engineering, helping to unlock solutions to critical challenges in energy and materials markets. We provide consulting, projects and operations solutions in 45 countries, employing around 25,000 people. www.woodplc.com 
</div><div></div> 
<div>Diversity Statement
</div><div>We are an equal opportunity employer that recognises the value of a diverse workforce. All suitably qualified applicants will receive consideration for employment on the basis of objective criteria and without regard to the following (which is a non-exhaustive list): race, colour, age, religion, gender, national origin, disability, sexual orientation, gender identity, protected veteran status, or other characteristics in accordance with the relevant governing laws.</div></div>

TPE IV / Senior Network Engineer

HCA Healthcare

<div>Are you passionate about the patient experience? At HCA Healthcare, we are committed to caring for patients with purpose and integrity. We care like family! Jump-start your career as a Senior Network Security Engineer today with HCA Healthcare.
<h5 class="jobSectionHeader">Job Summary and Qualifications</h5>
<h5 class="jobSectionHeader">JOB SUMMARY
Lead efforts in implementation, modernization, standardization and enhancement of network security controls to protect a Fortune 100 enterprise&rsquo;s infrastructure, patients and data from increasing risk and threats. The position will perform and oversee reviews and assessments of policies for risk and vulnerabilities and identify potential hardening opportunities, provide remediation recommendations, designs and solutions while implementing configuration changes for continuous security control maturity and risk reduction.
This position will work collaboratively with other IT teams to implement risk management practices, optimize technology solutions, monitor and adjust infrastructure to meet current and future needs, ensure compliance with regulatory requirements, and continuously plan for the future to improve our security posture and control maturity. The ideal candidate will be experienced in network security fundamentals and have a strong understanding of how to develop and implement remediation plans to address identified risks, implement new features and technologies, standardize and optimize existing technologies, establish and maintain baselines, and automate processes wherever possible to increase efficiency and reduce errors.
GENERAL RESPONSIBILITIES
Responsibilities include but are not limited to the following;
<ul><li>Evaluate, recommend and implement appropriate security measures, including next-generation firewall features, intrusion detection/prevention systems, VPN, network segmentation/zero trust, multifactor and access control mechanisms</li></ul>
<ul><li>Conduct firewall rule reviews, security audits, baseline and best practice compliance, forensic network investigation to support data transmission adherence and implement or oversee recommendations</li></ul>
<ul><li>Support and manage network security solutions to protect the organization's infrastructure, applications, and data from cyber threats in accordance with regulatory and industry requirements, such as PCI DSS, SOX, NIST, ISO 27000 and HIPAA</li></ul>
<ul><li>Evaluate vulnerability assessments, penetration tests, metrics and security audits to identify potential hardening opportunities and provide remediation recommendations and solutions.</li></ul>
<ul><li>Recommend and implement complex solutions and configuration changes within a large enterprise network in support of continuous security control maturity and risk reduction</li></ul>
<ul><li>Participate in incident response and disaster recovery planning and testing</li></ul>
<ul><li>Collaborate with other IT teams to ensure that network security controls are integrated with other systems, applications and comply with security standards</li></ul>
<ul><li>Routinely perform audits and control tests on deployed technologies, collecting and consolidating indicators of performance, risks, trends and providing recommendations, baseline and regulatory compliance ratings.</li></ul>
<ul><li>Manage relationships with vendors and contractors to ensure that security services are timely delivered and implemented in alignment to security policies</li></ul>
<ul><li>Collaborate on the development and documentation of security policies and procedures, training and awareness.</li></ul>
<ul><li>Provide guidance and training to peers on compliance and best practices.</li></ul>
<ul><li>Research design enhancements and identify automated solutions or best of breed technologies while assisting with integration tests with vendors.</li></ul>
<ul><li>Keep up-to-date with the latest threats and vulnerabilities, as well as relevant regulations and industry best practices, and implement recommendations to improve the organization's security posture and control maturity.</li></ul>
EDUCATION AND EXPERIENCE
Bachelor&rsquo;s degree preferred
Must have 5+ years of relevant work experience required
OTHER/SPECIAL QUALIFICATIONS
Extensive experience with security technologies, such as next-generation firewalls, intrusion detection/prevention systems, VPN, network segmentation, access control mechanisms, and security design, management, best practices, policy, standards in large 1000+ firewall environments.
Expertise in Checkpoint Firewall, CMA, Provider-1, Maestro, VSX/VSLS, CloudGuard
Cisco Network Security Products &amp; Technologies (i.e. Firepower, ASA, VPN, WSA, ISE, Stealthwatch, etc.)
Strong understanding of network protocols, topologies, tools, subnetting and architectures
Aptitude in Network Security Policy Management tools (Algosec, Tufin) and/or conducting risk assessments, firewall rule review, and security audits
Strong knowledge of enterprise security technologies and processes (Zscaler, Advanced Threat Detection Tools, Antibot, Antimalware, Threat Emulation, SIEM, IDS/IPS, Network Packet Analysis, Netflow, etc.)
Experience designing solutions for security standards and frameworks, such as HIPAA, SOX, PCI DSS, HITECH, ISO/IEC 27001, and NIST Cybersecurity Framework
Network Security Management Tools/Technologies (e.g: Splunk, Trustsec, segmentation, syslog, etc..)
Excellent verbal and written communication, interpersonal, analytical and problem-solving skills.
Demonstrated leadership and mentorship skills, with the ability to guide and train junior engineers
Ability to work independently and as part of a team
Relevant certifications from ISC2 (CISSP), GIAC (GISP), ISACA (CISA), Cisco Security or CompTIA are a plus
PHYSICAL DEMANDS/WORKING CONDITIONS
<ul><li>Position expectations are minimal supervision required due to design, service and support knowledge/skillsets</li></ul>
<ul><li>Position may require periodic after hours work and light travel at times with little notice</li></ul>
<ul><li>Position requires sitting for extended periods. In office requirement minimum 2 days per week.</li></ul>
Benefits</h5>
HCA Healthcare, offers a total rewards package that supports the health, life, career and retirement of our colleagues. The available plans and programs include:<ul><li>
Comprehensive benefits for medical, prescription drug, dental, vision, behavioral health and telemedicine services</li><li>
Wellbeing support, including free counseling and referral services</li><li>
Time away from work programs for paid time off, paid family leave, long- and short-term disability coverage and leaves of absence</li><li>
Savings and retirement resources, including a 401(k) Plan with a 100% match on 3% to 9% of pay (based on years of service), Employee Stock Purchase Plan, flexible spending accounts, preferred banking partnerships, retirement readiness tools, rollover support and financial wellbeing counseling</li><li>
Education support through tuition assistance, student loan assistance, certification support, dependent scholarships and a partnership with Galen College of Nursing</li><li>
Additional benefits for fertility and family building, adoption assistance, life insurance, supplemental health protection plans, auto and home insurance, legal counseling, identity theft protection and consumer discounts</li></ul>
Learn more about Employee Benefits
Note: Eligibility for benefits may vary by location.
HCA Healthcare has been recognized as one of the World's Most Ethical Companies&reg; by the Ethisphere Institute more than ten times. In recent years, HCA Healthcare spent an estimated $3.7 billion in cost for the delivery of charitable care, uninsured discounts, and other uncompensated expenses. 
&quot;The great hospitals will always put the patient and the patient's family first, and the really great institutions will provide care with warmth, compassion, and dignity for the individual.&quot;- Dr. Thomas Frist, Sr. 
HCA Healthcare Co-Founder
If you are looking for an opportunity that provides satisfaction and personal growth, we encourage you to apply for our Senior Network Security Engineer opening. We promptly review all applications. Highly qualified candidates will be contacted for interviews. Unlock the possibilities and apply today!
We are an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.</div>

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