network infrastructure engineer

Cognizant

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 <br/>
 <br/>
 We are looking for an experienced
 <strong>
  Infrastructure Architect
 </strong>
 with strong expertise in
 <strong>
  Load Balancing, Switching, Routing (Cisco), and WAN Optimization
 </strong>
 . Candidates with
 <strong>
  airline domain experience
 </strong>
 will have an added advantage.
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 <br/>
 <strong>
  Key Responsibilities
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   Design and implement robust infrastructure solutions to enhance performance and reliability.
  </li>
  <li>
   Collaborate with cross‑functional teams to integrate network components seamlessly.
  </li>
  <li>
   Analyze current network setups and recommend performance improvements.
  </li>
  <li>
   Deploy, configure, and manage load balancers to ensure efficient traffic distribution.
  </li>
  <li>
   Manage and maintain Cisco switching and routing systems for uninterrupted connectivity.
  </li>
  <li>
   Monitor network performance and troubleshoot to minimize downtime.
  </li>
  <li>
   Provide expertise in WAN optimization to improve speed and reduce latency.
  </li>
  <li>
   Develop and enforce network security protocols.
  </li>
  <li>
   Conduct regular assessments to identify vulnerabilities and improvement areas.
   <br/>
   <br/>
  </li>
 </ul>
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 <br/>
 <br/>
 <strong>
  Qualifications
  <br/>
  <br/>
 </strong>
 <ul>
  <li>
   10&ndash;14 years of hands-on experience in load balancing, switching, routing, and Cisco technologies.
  </li>
  <li>
   Strong experience with WAN optimizers.
  </li>
  <li>
   Airline domain experience is a strong plus.
  </li>
  <li>
   Excellent analytical and problem‑solving abilities.
  </li>
 </ul>
</div>


Network Infrastructure Engineer

TrusMail Enterprise Systems Ltd

<p><b>About the Role:</b><br/>At <b>TrusMail Enterprise Systems Ltd</b>, we specialize in secure enterprise communication infrastructure and large-scale data management solutions for global organizations. Our platforms support high-volume messaging systems, secure data exchange, and enterprise-level network operations. We believe that accurate and efficient data handling is the backbone of every successful digital operation.</p><p>We are looking for a <b>Data Entry Specialist</b> who can ensure the integrity, accuracy, and organization of critical operational data across our enterprise systems. In this role, you will work closely with technical and administrative teams to maintain data quality standards that support secure messaging infrastructure and internal enterprise operations.</p><p><b>Why Work With Us?</b></p><p><b>The Environment:</b><br/>Our Dubai office offers a modern workspace designed for productivity and collaboration. You will work in a professional environment alongside experienced IT specialists and infrastructure engineers.</p><p><b>Professional Development:</b><br/>We support continuous learning and provide access to training resources that improve data management and digital operations skills.</p><p><b>Technology Tools:</b><br/>Our teams work with modern enterprise data management platforms, secure databases, and productivity tools designed to streamline data workflows.</p><p><b>Stability &amp; Growth:</b><br/>TrusMail Enterprise Systems Ltd is expanding its enterprise infrastructure operations, creating opportunities for long-term career growth.</p><p><b>Monthly Salary:</b><br/>AED <b>9,000 &ndash; 12,000 per month</b></p><p><b>Key Responsibilities:</b></p><p><b>Data Processing:</b><br/>Accurately enter, update, and maintain operational data within enterprise systems and internal databases.</p><p><b>Data Quality Assurance:</b><br/>Review and verify information for accuracy, completeness, and consistency before submission.</p><p><b>Database Maintenance:</b><br/>Organize digital records, maintain data structures, and ensure all entries follow internal data standards.</p><p><b>Operational Support:</b><br/>Assist technical and administrative teams by preparing reports and maintaining updated data logs.</p><p><b>Confidentiality Compliance:</b><br/>Handle sensitive company and client information with strict adherence to security and confidentiality policies.</p><p><b>What We Are Looking For:</b></p><p><b>Experience:</b><br/>1&ndash;3 years of experience in data entry, administrative support, or database management roles.</p><p><b>Accuracy &amp; Attention to Detail:</b><br/>Strong ability to maintain precision while processing large volumes of information.</p><p><b>Technical Skills:</b><br/>Proficiency in Microsoft Excel, Google Sheets, and basic database systems.</p><p><b>Typing Skills:</b><br/>Fast and accurate typing speed with strong organizational abilities.</p><p><b>Communication Skills:</b><br/>Ability to coordinate with different departments and follow structured procedures.</p><p><b>Mindset:</b><br/>Reliable, detail-oriented, and capable of maintaining accuracy under deadlines.</p><p>Job Types: Full-time, Permanent</p><p>Pay: AED32,000.00 - AED52,000.00 per month</p><p>Work Location: In person</p>

Senior Network Infrastructure Engineer (Enterprise Messaging & Security)

Powernet

<div>Description:
<p><b>
Who we are</b></p><p>
Behind every one of our solutions is our greatest asset: our people. At Powernet, we are driven in our individual roles and by our collective goals &ndash; both in our work, and in the community. Through our collaborative working mindset and spirit of innovation, Powernet offers a welcoming work environment that aligns professional and personal growth with real business results, a combination that can benefit anyone looking to take the next step in their career.</p><p><b><br>
Who you are</b></p><p>
You are a senior-level technical visionary who thrives at the intersection of network design and security architecture. A master of standardizing and supporting complex managed service environments, you look beyond day-to-day troubleshooting to see the &quot;big picture&quot; of a solution's architecture. You possess the rare ability to bridge the gap between technical complexity and business value, confidently providing pre-sales support to ensure every proposed solution is scalable, secure, and strategically aligned. You are not just an engineer; you are a solutions architect and a trusted advisor who takes pride in building the infrastructure that powers our clients' success.</p><p><b><br>
Perks You'll Enjoy</b></p><ul><li>
5 Weeks PTO</li><li>
Remote Work</li><li>
Anniversary Gift Plan</li><li>
Employee referral program</li><li>
Annual wellness credit</li><li>
Health, Vision, Dental, Life Insurance available</li><li>
HSA Account</li><li>
401k matching</li></ul><p><b>
Responsibilities</b></p><ul><li>
Network Architecture &amp; Engineering Leadership: Design and architect complex LAN, WAN, SD-WAN, VPN, and hybrid cloud solutions. Serve as the final Tier 3 technical escalation for complex or recurring network issues.</li><li>
Solutions Architecture &amp; Pre-Sales Support: Participate in pre-sales discovery and design calls. Translate requirements into high-level architectures and validate technical feasibility and risk before solutions are sold.</li><li>
Standardization &amp; Quality: Develop and maintain reference architectures for firewalls, SD-WAN, and segmentation. Ensure solutions align with security best practices and compliance requirements like HIPAA and PCI.</li><li>
Implementation Oversight: Provide technical oversight during complex implementations and validate that deployed solutions match approved designs.</li><li>
Security &amp; Compliance: Design and review firewall and security architectures, evaluating risks and recommending mitigation strategies.</li></ul>
Requirements:
<p><b>
Experience</b></p><ul><li>
5+ years of progressive network engineering experience.</li><li>
Experience in MSP or multi-tenant environments is strongly preferred.</li><li>
Demonstrated experience designing (not just implementing) complex networks.</li></ul><h4 class="jobSectionHeader"><b>
Technical Skills &amp; Mandatory Certifications</b></h4><ul><li>
Expert-level experience with Fortinet security architecture.</li><li>
Must hold an active Fortinet NSE 4 certification.</li><li>
Fortinet NSE 7 is highly preferred.</li><li>
Advanced routing and switching (OSPF, BGP, EIGRP).</li><li>
SD-WAN design and deployment.</li><li>
Network segmentation, High Availability (HA), and security best practices.</li><li>
Strong documentation and diagramming skills.</li></ul><h4 class="jobSectionHeader"><b>
Soft Skills</b></h4><ul><li>
Strong communication skills for both technical and non-technical audiences.</li><li>
Ability to guide conversations with clients and sales teams.</li><li>
Sound technical judgment, risk awareness, and a mentorship mindset.</li></ul></div>

Network & Security Infrastructure Engineer

ZainTech

<div><p>The Network Engineer is responsible for the design, implementation, monitoring, and optimization of enterprise network infrastructure to ensure high availability, performance, and security across the organization. The role focuses on maintaining and improving critical networking technologies including F5 application delivery controllers, Riverbed WAN optimization platforms, Cisco collaboration systems, and Cisco switching and routing environments.</p><p>
The engineer will be outsourced to a government sector customer and plays a key role in proactively monitoring network performance, diagnosing complex issues, and implementing solutions that improve network reliability and efficiency. Working closely with infrastructure, security, and application teams, the Network Engineer contributes to maintaining stable operations while supporting the organization&rsquo;s evolving connectivity and collaboration requirements.</p><p>
Responsibilities:</p><p>
Network Infrastructure Management</p><ul><li>
Design, configure, and maintain enterprise network infrastructure to ensure high availability and optimal performance.</li><li>
Administer and support Cisco switching and routing environments, including VLANs, routing protocols, and network segmentation.</li><li>
Manage network connectivity across data centers, offices, and remote environments.</li><li>
Implement network configurations aligned with organizational standards, security policies, and best practices.</li></ul><p>
Application Delivery &amp; Load Balancing</p><ul><li>
Manage and maintain F5 Application Delivery Controllers (ADC) including:
</li><li><ul><li>Local Traffic Manager (LTM)</li><li>
Global Traffic Manager (GTM)</li><li>
Web Application Firewall (WAF)</li></ul></li><li>
Configure and optimize load balancing policies to improve application availability and performance.</li><li>
Monitor application traffic and adjust configurations to ensure efficient traffic distribution and security.</li></ul><p>
WAN Optimization &amp; Network Performance</p><ul><li>
Implement and manage Riverbed WAN optimization solutions to improve network efficiency and application performance across distributed environments.</li><li>
Analyze WAN traffic patterns and identify opportunities to improve bandwidth utilization and network performance.</li><li>
Collaborate with infrastructure teams to enhance application delivery and network responsiveness.</li></ul><p>
Collaboration Infrastructure Support</p><ul><li>
Administer and support Cisco Collaboration solutions, including VoIP and Unified Communications platforms.</li><li>
Ensure stable operation of voice and collaboration services across the organization.</li><li>
Troubleshoot and resolve issues related to call quality, connectivity, and system integration.</li></ul><p>
Network Monitoring &amp; Troubleshooting</p><ul><li>
Continuously monitor network infrastructure using enterprise monitoring tools to ensure operational stability.</li><li>
Proactively identify potential performance issues, network bottlenecks, and service disruptions.</li><li>
Perform root cause analysis and implement corrective actions to minimize downtime and improve reliability.</li><li>
Escalate complex issues where required and coordinate with vendors or internal teams for resolution.</li></ul><p>
Reporting &amp; Performance Analysis</p><ul><li>
Generate detailed technical reports and network performance analyses for internal stakeholders.</li><li>
Monitor and report on key network KPIs including availability, latency, throughput, and utilization.</li><li>
Provide insights and recommendations to improve network efficiency, reliability, and scalability.</li><li>
Maintain up-to-date documentation for network configurations, architecture diagrams, and operational procedures.</li></ul><br>
<b>
Requirements</b><br>
<ul><li>
7+ years of experience in enterprise network engineering or infrastructure operations roles.</li><li>
Bachelor&rsquo;s degree in Computer Engineering, Information Technology, or a related field.</li><li>
Strong hands-on experience with F5 technologies (LTM, GTM, WAF).</li><li>
Experience implementing and managing Riverbed WAN optimization solutions.</li><li>
Solid expertise in Cisco switching and routing technologies.</li><li>
Experience supporting Cisco Collaboration platforms including VoIP and Unified Communications.</li><li>
Strong troubleshooting capabilities across network, application delivery, and connectivity environments.</li></ul></div>

Senior Network Engineer

MedVet

<div><p>MedVet is the largest family of emergency and specialty hospitals owned and led by veterinarians. This distinction means we place the needs of our team first and have unique insight into the challenges our caregivers face and what&rsquo;s needed to provide the best specialty and emergency medicine every time, every day, to everyone.</p><div>
The Network Engineer ensures stability, integrity, and efficient operation of MedVet&rsquo;s network infrastructure that supports delivery of the MedVet Experience. This role is responsible for designing, implementing, monitoring, maintaining, and optimizing network hardware, software, and communication links across all locations. The Network Engineer will apply strong analytical, communication, and problem‑solving skills to proactively identify, communicate, and resolve network issues to maximize performance and reliability. This position places a strong emphasis on modern WAN architecture and secure network design. Experience with Palo Alto firewalls, CloudGenix/Prisma SD‑WAN devices, and HP Aruba wireless systems is highly sought after.</div><p><b>
Location:</b><b> </b>This role is open to remote work.<br>
<br>
<b>Responsibilities include, but are not limited to:</b></p><ul><li>
Design, implement, monitor, and troubleshoot network infrastructure including LAN, WAN, VPN, WLAN, and security systems.</li><li>
Perform proactive performance monitoring, configuration management, and fault resolution across all network systems.</li><li>
Work effectively with internal teams and external vendors to resolve issues and optimize network performance.</li><li>
Manage issues through an incident queue, capturing detailed notes of troubleshooting steps and final resolution.</li><li>
Escalate issues internally and externally as needed for timely resolution.</li><li>
Collaborate with infrastructure team members to ensure smooth and reliable operation of systems supporting business objectives.</li><li>
Develop and maintain documentation related to network configurations, diagrams, standards, and procedures.</li><li>
Analyze network capacity, performance trends, and provide input for strategic planning, business continuity, and disaster recovery initiatives.</li><li>
Participate in on‑call rotation to support 24/7 operations.</li></ul><div><b>
Knowledge, Skills, and Abilities</b><br>
Our ideal candidate has a minimum of 5 years of experience in network engineering or network administration. Healthcare or veterinary industry experience is a plus but not required.</div><div>
</div><div>
Additional requirements include:</div><ul><li>
Bachelor&rsquo;s Degree or equivalent combination of related experience and education.</li><li>
Professional‑level network certification (e.g., CCNA, PCNSE, Network+, Aruba ACMA/ACMP) highly preferred.</li><li>
Strong analytical and problem‑solving skills.</li><li>
Excellent verbal and written communication skills.</li><li>
Ability to work under pressure, multitask, and handle competing priorities.</li><li>
Ability to excel both independently and within team environments.</li><li>
Solid understanding of network security principles and best practices.</li><li>
High proficiency in troubleshooting complex network issues.</li><li>
Ability to understand and support complex, multi‑site network architectures.</li><li>
Familiarity with testing, flowcharting, and data mapping tools.</li></ul><div><b>
Technical Requirements</b></div><ul><li>
Strong understanding of routing protocols: SD‑WAN, BGP, EIGRP, OSPF.</li><li>
Switching technologies such as STP, LACP, VLANs, VPC/MLAG, etc.</li><li>
Experience with enterprise network platforms including:</li><li>
Palo Alto firewalls and CloudGenix/Prisma SD‑WAN solutions (strongly preferred).</li><li>
HP Aruba wireless infrastructure, including design, configuration, and troubleshooting.</li><li>
HP/Aruba and Meraki switching solutions.</li><li>
SonicWall or other VPN technologies.</li><li>
F5 or similar load‑balancing technologies.</li><li>
Experience implementing and supporting secure Wi‑Fi systems in large, distributed environments.</li></ul><div>
The posted range for this position is $77,600-$125,000 which is the expected starting base salary range for an employee who is new to the role to fully proficient in the role. Many factors go into determining employee pay within the posted range including prior experience, current skills, location/labor market, internal equity, etc.</div><p>
MedVet offers a full benefits package, including paid time off, health insurance, dental, vision, and 401K.</p><div>
</div><div>
 Come as you are. MedVet is an equal opportunity employer. We are also a drug-free organization; therefore, employment with MedVet is dependent upon the passing of a drug screen and background check.</div><div>
</div><div>
 <i>MedVet does not accept unsolicited resumes from third-party recruiters.</i></div></div>

National Grid

<div><div><div><div><h3 class="jobSectionHeader"><b>About us</b></h3></div><div><p>
At National Grid, we keep people connected and society moving. But it&rsquo;s so much more than that. National Grid supplies us with the environment to make it happen. As we generate momentum in the energy transition for all, we don&rsquo;t plan on leaving any of our customers in the dark. So, join us as a Network Security Engineer, and find your superpower. We need you!</p><p>
We want to find an innovative, adaptable, and results-oriented Network Security Engineer for our US Critical National Infrastructure team<b>. </b>This position is located in <b>Liverpool, NY</b>. If you yearn to be innovative, contribute new ideas, and play a critical part in our Network and Critical Infrastructure Solutions organization, we want to hear from you!</p></div></div><div><div><h3 class="jobSectionHeader"><b>
What you'll do</b></h3></div><div><p>
As a Network Security Engineer, you'll provide technical support for hardware and applications. You'll be responsible for effective provisioning, installation/configuration, operation, and maintenance of systems hardware, operating systems, software, and related infrastructure. You'll ensure that system hardware, operating systems, software systems, and related procedures adhere to organizational standards and security requirements. Key responsibilities include the following:</p>
Support of remote sites including data centers with ability to provide smart hands support for infrastructure and network equipment<ul><li>.</li>
Manage and maintain enterprise‑grade network firewalls, including rule creation, policy reviews, and security hardening<li>.</li>
Configure, monitor, and troubleshoot routing and switching infrastructure within a multi‑site environment<li>.</li>
Administer and optimize application delivery and traffic‑balancing platforms to ensure high availability and performance<li>.</li>
Perform network vulnerability assessments and port‑scanning activities to identify and remediate security risks<li>.</li>
Oversee centralized log collection, monitoring, and alerting systems to support operational visibility and incident response<li>.</li>
Maintain and report on security patching on all Firewalls, Routers, Switches, applications for backups, syslog, monitoring, and appliances in the Network, within required time frames<li>.</li>
Manage secure network backup processes, including automated configurations, validation, and restoration procedures<li>.</li>
Follow NERC CIP Standards and meets time sensitive deadlines<li>.</li>
Participate in 24x7 on call rotation, providing application and hardware support<li>.</li>
Valid driver&rsquo;s license required with a safe driving history that meets National Grid&rsquo;sSafe Driver policy<li>.</li></ul></div></div><div><div><h3 class="jobSectionHeader"><b>
About you</b></h3></div><div>
Bachelor&rsquo;s degree in Network Engineering, Computer Science, Information Technology, or a related discipline, or an equivalent combination of formal education, industry training, and extensive hands‑on experience within enterprise or regulated environments<ul><li>.</li>
8+ years of experience in network engineering roles supporting mission‑critical, high‑availability infrastructure, preferably within utilities, energy, or other regulated industries<li>.</li>
Demonstrated expertise in the design, configuration, operation, and support of enterprise‑grade firewalls, routers, and switches, with an emphasis on secure, resilient, and fault‑tolerant networks<li>.</li>
Proven experience creating and maintaining authoritative network documentation, including detailed topology diagrams, logical and physical network designs, and configuration standards to support audits, compliance, and operational continuity<li>.</li>
Strong ability to collaborate with technology vendors, system integrators, cybersecurity teams, and internal technical leads to define solutions that meet operational, security, and regulatory requirements<li>.</li>
Experience operating in change‑controlled, compliance‑driven environments, adhering to formal processes for design reviews, risk assessments, documentation, and implementation approvals<li>.</li>
Ability to perform effectively in fast‑paced operational environments supporting 24/7 systems, balancing incident response, project delivery, and compliance obligations while maintaining a high standard of accuracy and reliability<li>.</li>
Advanced analytical, troubleshooting, and root‑cause analysis skills, with the ability to resolve complex network issues while minimizing risk to critical services<li>.</li>
Excellent written and verbal communication skills, including the ability to produce clear technical documentation and communicate effectively with engineering peers, operations staff, management, and audit/compliance stakeholders<li>.</li></ul></div></div><div><div><h3 class="jobSectionHeader"><b>
More Information</b></h3></div><div><p>
Are you the right fit for this exciting role? You want to learn more about the position and National Grid's ambitious Digital Transformation? Then let's chat!</p><p><b>
Rewarding work and a collaborative, team-oriented culture are just the beginning</b>. Review our digital benefit guide at<b> </b><b>ngbenefitslivebrighter.com </b>for full details and descriptions.
</p><p>Our organization follows a hybrid work structure in our service territory (NY &amp; MA and adjacent states) where employees can work remotely or from the office, as needed. Working from the office is encouraged when working on tasks that require a high degree of collaboration. We work with our employees to foster a flexible work schedule.</p></div></div></div><p>
Salary</p><p>
$102,000 - $119,000 a year</p><p>
National Grid utilizes an assessment that evaluates the job qualifications/characteristics using AI or statistically based scoring. For more information, please view NYC Local Law 144.</p><p>
This position has a career path which provides for advancement opportunities within and across bands as you develop and evolve in the position; gaining experience, expertise and acquiring and applying technical skills. Candidates will be assessed and provided offers against the minimum qualifications of this role and their individual experience.</p><p>
National Grid is committed to providing equal employment opportunities to all employees and applicants for employment regardless of protected class. We do not discriminate on the basis of race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, or any other protected status in accordance with applicable federal, state, and local laws. National Grid maintains affirmative action programs for individuals with disabilities and protected veterans.</p><p>
Our employment practices are designed to ensure that all individuals are treated fairly and with respect throughout the hiring process and during employment. National Grid complies with all applicable federal, state, and local anti-discrimination laws. We are dedicated to fostering a workplace that is free from unlawful discrimination and harassment, and we encourage a culture of respect for all.</p></div>

Network Security Engineer

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