senior network security engineer

ARWEN TECH (PVT) LTD.

<div>
 &gt; Back to Jobs
 
 
 Senior Network Engineer
 
 
 Posted on Dec 16, 2025
 
 
 Title
 
 
 Senior Network Engineer
 
 
 Apply before
 
 
 Feb 28, 2026
 
 
 City
 
 
 Karachi
 
 
 
 Responsibilities
 
 
 
 
 Summary of Job Profile:
 
 
 
 Role of Senior Network Engineer is to work full time across Pakistan, to support assist planning, design and implementation of an infrastructure that will support current needs and future expansion plans of integrating CISCO, Juniper and other products from Arwen&rsquo;s product portfolio for Arwen&rsquo;s clients across Pakistan
 
 
 
 Essential Duties &amp; Responsibilities
 
 
 
 <ul>
 <li>
 </li>
 <li>
 Actively participate in deployments across Pakistan.
 </li>
 <li>
 Responsible for creating HLD (High-Level Design) and LLD (Low-Level Design).
 </li>
 <li>
 Responsible of opening and handling JTAC and Cisco TAC cases.
 </li>
 <li>
 Also responsible for creating BOQ (Bill of Quantities) for both Cisco and Juniper products on Cisco configuration and Juniper Configuration tool.
 </li>
 <li>
 Works with enterprise-level architecture team to implement network configurations including subnet and VLAN implementation, VOIP telephony solutions, VPN tunneling, and wireless LAN implementation at various locations
 </li>
 <li>
 Network Design, integration, optimization and migration.
 </li>
 <li>
 Provide engineering support for troubleshooting
 </li>
 <li>
 Provide problem resolution following connectivity problems, outages, or performance degradations in the network.
 </li>
 <li>
 Work with team members to identify and resolve customer satisfaction issues related to integration.
 </li>
 <li>
 Maintains network security and ensures compliance with security policies and procedures.
 </li>
 <li>
 Any other task assigned by Management.
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 Knowledge, Skills, Abilities (KSA&rsquo;s) required to successfully perform the job:
 
 
 <ul>
 <li>
 Good understanding and practical experience with routing protocols &amp; switching technologies.
 </li>
 <li>
 Advanced knowledge in network design, network architecture, protocols and network topology.
 </li>
 <li>
 Must be able to work with end users, communicate clearly, and meet deadlines.
 
 
 </li>
 </ul>
 
 Education, Experience, Licensure, And Certification Required For The Position
 
 
 
 <ul>
 <li>
 Experience: Minimum 5 years of progressive experience.
 </li>
 <li>
 Qualification: Bachelors&rsquo; degree in Engineering.
 </li>
 <li>
 Specific technical qualification/certification: JNCIA-JUNOS, JNCIS, JNCIP, CCNA,CCNP
 
 
 </li>
 </ul>
 
 Competencies Required To Successfully Perform The Job
 
 
 
 Technical Competencies Behavioral/General Competencies
 
 
 <ul>
 <li>
 R&amp;S, VIOP, Security 1. Extremely organized and highly motivated
 </li>
 <li>
 Expert level (Cisco or Juniper either) 2. Team Leader; Strong directive and team building skills
 </li>
 <li>
 Expert Level in Citrix, RSA 3. Strong customer / consumer orientation
 </li>
 <li>
 Partnership Required Certifications 4. Excellent communication and presentation skills
 
 
 </li>
 </ul>
 
 Benefits
 
 
 
 <ul>
 <li>
 Excellent Salary
 </li>
 <li>
 Fuel Allowance
 </li>
 <li>
 Internet Allowance
 </li>
 <li>
 Medical Insurance
 </li>
 <li>
 Annual Leaves
 </li>
 <li>
 Provident Fund
 </li>
 <li>
 EOBI
 </li>
 <li>
 Annual Bonus
 </li>
 </ul>
</div>

Senior Network Engineer

VaporVM

<div><div><div>Date Posted:</div>
30 December, 2025</div>
<div><div>Industry:</div>
IT Services and IT Consulting</div>
<div><div>Location:</div>
VAPORVM IT SERVICES DMCC</div></div>
 <div><h2 class="jobSectionHeader">Job Description:</h2> 
<div><div><div><div><div>Security and Zero Trust Engineer 


We are seeking a highly skilled Senior Network Security Engineer to design, implement, and enforce advanced enterprise security architectures. The ideal candidate will have strong hands-on experience with Fortinet security solutions, Zero Trust architecture, network segmentation, and Azure security services, along with exposure to SASE and ZTNA frameworks.

This role involves end-to-end execution of security-related projects, security control hardening, validation, and operational support, working closely with infrastructure, cloud, and SOC teams.
<h3 class="jobSectionHeader">
Key Responsibilities</h3>
<ul><li>Execute security-related project implementations, including network segmentation, Zero Trust architecture, secure access, and SASE initiatives.</li>
<li>Design, configure, and tune network and cloud security controls aligned with enterprise security standards.</li>
<li>Implement and enforce Zero Trust, ZTNA, NAC, and segmentation policies across on-prem and cloud environments.</li>
<li>Support security testing, validation, UAT, and go-live activities for security projects.</li>
<li>Participate in incident response and troubleshooting related to project changes and security control modifications.</li>
<li>Integrate security solutions with SIEM/SOC platforms for monitoring, alerting, and incident handling.</li>
<li>Collaborate with infrastructure, cloud, and application teams to ensure secure-by-design implementations.</li>
<li>Prepare and maintain security documentation, reports, and compliance artifacts.</li>
</ul><h3 class="jobSectionHeader">Must-Have Deliverables &amp; Documentation</h3>
<ul><li>Security configuration and hardening reports</li>
<li>Zero Trust and network segmentation implementation records</li>
<li>Security testing, validation, and assessment results</li>
<li>Project security sign-off and approval documentation</li>
</ul><h3 class="jobSectionHeader">Technical Skills &amp; Expertise</h3>

Network &amp; Security Technologies
<ul>
<li>FortiGate Firewalls</li>
<li>FortiManager &amp; FortiAnalyzer</li>
<li>VPN (IPsec &amp; SSL)</li>
<li>IPS, IDS, Web Filtering</li>
<li>SASE &amp; ZTNA</li>
<li>FortiMail, FortiNDR</li>
<li>CASB solutions</li>
<li>NAC: FortiNAC or ClearPass</li></ul></div></div></div></div></div></div>

Security & Zero Trust

Arwen Tech

<div>
 Posted on Dec 16, 2025
 
 
 Title
 
 
 Senior Network Engineer
 
 
 Apply before
 
 
 Feb 28, 2026
 
 
 City
 
 
 Karachi
 
 
 
 Responsibilities
 
 
 
 
 Summary of Job Profile:
 
 
 
 Role of Senior Network Engineer is to work full time across Pakistan, to support assist planning, design and implementation of an infrastructure that will support current needs and future expansion plans of integrating CISCO, Juniper and other products from Arwen&rsquo;s product portfolio for Arwen&rsquo;s clients across Pakistan
 
 
 
 Essential Duties &amp; Responsibilities
 
 
 
 <ul>
 <li>
 </li>
 <li>
 Actively participate in deployments across Pakistan.
 </li>
 <li>
 Responsible for creating HLD (High-Level Design) and LLD (Low-Level Design).
 </li>
 <li>
 Responsible of opening and handling JTAC and Cisco TAC cases.
 </li>
 <li>
 Also responsible for creating BOQ (Bill of Quantities) for both Cisco and Juniper products on Cisco configuration and Juniper Configuration tool.
 </li>
 <li>
 Works with enterprise-level architecture team to implement network configurations including subnet and VLAN implementation, VOIP telephony solutions, VPN tunneling, and wireless LAN implementation at various locations
 </li>
 <li>
 Network Design, integration, optimization and migration.
 </li>
 <li>
 Provide engineering support for troubleshooting
 </li>
 <li>
 Provide problem resolution following connectivity problems, outages, or performance degradations in the network.
 </li>
 <li>
 Work with team members to identify and resolve customer satisfaction issues related to integration.
 </li>
 <li>
 Maintains network security and ensures compliance with security policies and procedures.
 </li>
 <li>
 Any other task assigned by Management.
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 Knowledge, Skills, Abilities (KSA&rsquo;s) required to successfully perform the job:
 
 
 <ul>
 <li>
 Good understanding and practical experience with routing protocols &amp; switching technologies.
 </li>
 <li>
 Advanced knowledge in network design, network architecture, protocols and network topology.
 </li>
 <li>
 Must be able to work with end users, communicate clearly, and meet deadlines.
 
 
 </li>
 </ul>
 
 Education, Experience, Licensure, And Certification Required For The Position
 
 
 
 <ul>
 <li>
 Experience: Minimum 5 years of progressive experience.
 </li>
 <li>
 Qualification: Bachelors&rsquo; degree in Engineering.
 </li>
 <li>
 Specific technical qualification/certification: JNCIA-JUNOS, JNCIS, JNCIP, CCNA,CCNP
 
 
 </li>
 </ul>
 
 Competencies Required To Successfully Perform The Job
 
 
 
 Technical Competencies Behavioral/General Competencies
 
 
 <ul>
 <li>
 R&amp;S, VIOP, Security 1. Extremely organized and highly motivated
 </li>
 <li>
 Expert level (Cisco or Juniper either) 2. Team Leader; Strong directive and team building skills
 </li>
 <li>
 Expert Level in Citrix, RSA 3. Strong customer / consumer orientation
 </li>
 <li>
 Partnership Required Certifications 4. Excellent communication and presentation skills
 
 
 </li>
 </ul>
 
 Benefits
 
 
 
 <ul>
 <li>
 Excellent Salary
 </li>
 <li>
 Fuel Allowance
 </li>
 <li>
 Internet Allowance
 </li>
 <li>
 Medical Insurance
 </li>
 <li>
 Annual Leaves
 </li>
 <li>
 Provident Fund
 </li>
 <li>
 EOBI
 </li>
 <li>
 Annual Bonus
 </li>
 </ul>
</div>

Avanza Solutions

Sr. System / Network EngineerWe are looking for a highly skilled Sr. System / Network Engineer to join our IT Infrastructure team. The ideal candidate will have strong hands-on experience in systems administration, network management, cloud services, and end-to-end IT operations.Key Responsibilities:<ul><li>Manage Windows Server environments (AD, DNS, DHCP, Group Policies, File Services).</li><li>Maintain and optimize network infrastructure (LAN/WAN, switches, routers, firewalls).</li><li>Oversee Office 365 administration (Exchange Online, SharePoint, Teams, security &amp; compliance).</li><li>Manage MS SQL and Oracle server environments.</li><li>Implement and monitor backup/DR solutions (Veeam/other).</li><li>Troubleshoot system, network, and security-related issues.</li><li>Support virtualization platforms (VMware/Hyper-V).</li><li>Ensure system availability, performance, and security across the organization.</li></ul>Required Skills &amp; Experience:<ul><li>4&ndash;8 years of experience in System &amp; Network Engineering.</li><li>Strong understanding of Microsoft infrastructure.</li><li>Experience with Office 365 management &amp; migration.</li><li>Good knowledge of switches, firewalls, VPNs, and routing.</li><li>Familiarity with cloud technologies is a plus (Azure/AWS).</li><li>Ability to manage multiple tasks and work in a fast-paced environment.</li><li>Relevant certifications (MCSA, MS-365, CCNA, etc.) are preferred.</li></ul>Interested candidate may apply at Cecilia.dsouza@avanzasolutions.comJob Type: Full-timePay: Up to Rs250,000.00 per monthWork Location: In person

Senior System Network Engineer

help AG

<div>Help AG is looking for a talented and experienced Senior Security Engineer with expertise in Fortinet Firewalls, FortiManager, and FortiAnalyzer to design, implement, and manage secure enterprise network environments. The role requires a strong understanding of SD-WAN architecture, including implementation and testing, along with solid knowledge of routing, switching, and WAN technologies such as MPLS, leased lines, ADSL, and VPN solutions. The candidate will be responsible for network design, deployment, monitoring, log analysis, and troubleshooting to ensure high availability, performance, and security across the network infrastructure. 
Responsibilities:<ul><li>
Act as an SME for in-scope technologies for Help AG customers.</li><li>
Plan technical deployments to design &amp; implement the network security services.</li><li>
Configure &amp; implement new Fortinet Firewall products into live network environment.</li><li>
Configuration of Enterprise Network Security solutions over the Fortinet Firewall with SDWAN infrastructure.</li><li>
Able to design, deploy, operate, monitor, maintain and troubleshoot Complex IP Networks and interconnected Network Security technologies.</li><li>
Coordinate implementation activity</li><li>
Implement, deploy &amp; provision managed WAN, IP, VPN &amp; MPLS solutions 
Deploy bespoke solutions for customer requirements.</li><li>
Deliver customer solutions as per design/order requirement.</li><li>
Liaise with external suppliers to coordinate for service delivery.</li><li>
Provide timely response to all incidents, outages, and performance alerts.</li><li>
Takes responsibility for handling escalated incidents.</li><li>
Consult with other technology support groups as part of problem resolution efforts.</li></ul>
Qualifications &amp; Skills:<ul><li>
Bachelor&rsquo;s degree in computer science, Information Technology, or a related field</li><li>
4-5 years&rsquo; experience with Network technologies</li><li>
Qualification with fully completed Fortinet NSE SD-WAN Certification.</li><li>
Expert knowledge and experience with Fortinet, Forti Manager and Forti Analyzer, Enterprise Network Security, Cyber Security and IPS systems</li><li>
Should have expert and in-depth knowledge of Complex IP Networks</li><li>
Should have solid understanding of Network Security technologies, data center traffic flow and advanced troubleshooting techniques.</li><li>
Encryption/ Firewall/SD-WAN</li><li>
Configure and test customer services / Build and document processes and mentor team members.</li><li>
SDWAN WAN, MPLS, IPVPN &amp; SDWAN network</li><li>
Routing Protocols (BGP, RIP, EIGRP, OSPF, ISIS)</li><li>
Testing L3 devices (PE Routers), CPEs</li><li>
TCP / IP, OSI Layer Protocol suites.</li><li>
WAN protocols and troubleshooting</li><li>
Should have Network Operations / Security Operations experience</li><li>
Self-motivated and a professional attitude.</li><li>
Excellent Customer facing skills.</li><li>
Excellent communication and listening skills.</li><li>
Excellent teambuilding, customer service, and interpersonal skills.</li><li>
Must possess good decision-making skills, be very organized and detail oriented.</li><li>
Skills in handling technical conflicts, organizational challenges, planning and implementation challenges.</li><li>
Judgment, decision making, cooperation, sensitivity to others, technical problem-solving, system troubleshooting, and business writing</li></ul>
Benefits:<ul><li>
Health insurance with one of the leading global providers for medical insurance.</li><li>
Career progression and growth through challenging projects and work.</li><li>
Employee engagement and wellness campaigns activities throughout the year.</li><li>
Excellent learning and development opportunities.</li><li>
Annual Flight tickets to home country.</li><li>
Inclusive and diverse working environment.</li><li>
Flexible/Hybrid working environment.</li><li>
Open door policy.</li></ul>
About Us:
Help AG is the cybersecurity arm of Etisalat Digital and provides leading enterprise businesses across the Middle East with strategic consultancy combined with tailored information security solutions and services that address their diverse requirements, enabling them to evolve securely with a competitive edge.
 
 
Present in the Middle East since 2004, Help AG was strategically acquired by Etisalat in 2019, hence creating a cybersecurity and digital transformation powerhouse in the region.
 
 
Help AG has firmly established itself as the region's trusted IT security advisor by remaining vendor-agnostic, trustworthy, independent, and cybersecurity focused. With best-of-breed technologies from industry-leading vendor partners, expertly qualified service delivery teams and a state-of-the art consulting practice, Help AG delivers unmatched value to its customers by strengthening their cyber defenses and safeguarding their business.</div>

Senior Security Engineer - Fortinet SD-WAN

SMARTHMS & Solutions Pvt Ltd

Why This RoleWe&rsquo;re building and scaling critical infrastructure that must be fast, secure, resilient, and always available. We&rsquo;re looking for a senior engineer who takes ownership, thrives in hands-on problem solving, and can design, secure, and operate systems end-to-end.This role demands end-to-end ownership, where you design, automate, fix, and continuously improve production systems.What You&rsquo;ll Own<ul><li>End-to-end Linux server setup, hardening, and performance tuning</li><li>Implementation of security controls and proactive vulnerability mitigation</li><li>Database installation, configuration, backup, and recovery</li><li>Design and maintain AWS services (EC2, S3, IAM etc) and equivalent services in Azure</li><li>Monitoring, alerting, and incident response for servers and networks</li><li>Network design and troubleshooting</li><li>Backup, restore, and disaster recovery (DR) planning and execution</li><li>Ensuring systems are production-ready, fault-tolerant, and auditable</li></ul>What We Expect From You<ul><li>Deep, practical understanding of Linux internals</li><li>Strong grasp of networking fundamentals</li><li>Security-first mindset with hands-on cybersecurity implementation</li><li>Real-world experience handling production incidents</li><li>Ability to work independently and own outcomes</li><li>Comfort working in a fast-moving, evolving environment</li></ul>Nice to Have (Big Plus)<ul><li>Hands-on MongoDB deployment on on-premise servers</li><li>Experience with MongoDB Atlas</li><li>Experience designing DR architectures</li><li>Exposure to compliance-driven environments (healthcare, finance, enterprise)</li></ul>What You&rsquo;ll Get<ul><li>High ownership and direct impact on core systems</li><li>Opportunity to influence architecture and security decisions</li><li>Work with both on-prem and multi-cloud infrastructure</li><li>A role that can grow into Lead Infrastructure / Cloud Architect</li></ul>Job Types: Full-time, PermanentPay: ₹700,000.00 - ₹1,200,000.00 per yearWork Location: In person

Senior Cloud & Infrastructure Security Engineer | 3-6 years

Halliburton

<div><div>We are looking for the right people &mdash; people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world&rsquo;s largest providers of products and services to the global energy industry.</div><div><div><div><h2 class="jobSectionHeader"> 
Job Duties</h2></div><div><ul><li>
Lead the design, implementation, and ongoing evolution of the organization&rsquo;s network security architecture, ensuring integration with existing security systems, including Palo Alto Next-Gen Firewalls (NGFW), IDS/IPS, Web Application Firewalls (WAF), and SIEM platforms.</li><li>
Lead the development and implementation of the Zero Trust security framework across the organization, ensuring seamless enforcement of Zero Trust principles across all network segments.</li><li>
Drive the adoption of Zero Trust principles by leveraging industry-leading SSE/SASE technologies and complementary solutions.</li><li>
Evaluate, select, and implement cloud-native security tools such as Palo Alto SASE, Zscaler, and Web Application Firewalls (WAF) to align with Zero Trust and security goals like least privilege, NAC, SWG, CASB, network based DLP etc.</li><li>
Work closely with the Identity and Access Management (IAM) team to integrate network security policies with identity controls, ensuring secure access across all applications and network resources.</li><li>
Experience in securing Operational Technology (OT) environments, including ICS/SCADA networks, and ensuring their integration with IT security systems to mitigate risks in industrial environments.</li><li>
Collaborate with OT security teams to ensure the protection of critical infrastructure against cyber threats, such as malware, ransomware, and unauthorized access, while maintaining operational continuity.</li></ul></div></div><div><div><h2 class="jobSectionHeader">
Job Duties Continued</h2></div><div><ul><li>
Take a leading role in network security incident management, leveraging threat intelligence to mitigate threats and respond to incidents.</li><li>
Continuously assess emerging security threats, propose strategies, and implement security solutions to meet organizational objectives.</li><li>
Develop and enforce network security policies, procedures, and guidelines to ensure compliance with internal security standards and compliance regulations.</li><li>
Engage with senior leadership and cross-functional teams (e.g., IT, security operations) to communicate strategic goals, provide actionable recommendations, and present security reports.</li><li>
Oversee and coordinate the activities of globally distributed security consultants, providing mentorship and ensuring adherence to network security best practices and Zero Trust protocols.</li></ul></div></div><div><div><h2 class="jobSectionHeader">
Qualifications</h2></div><div><ul><li>
Hands-on experience with Web Application Firewalls (WAF) to safeguard web applications from attacks such as SQL injection, cross-site scripting (XSS), and other common exploits.</li><li>
Experience with cloud security models and architectures, including Azure, AWS, OCI and hybrid cloud environments (VPC/VNET, NSG security).</li><li>
Ability to set and articulate a clear vision and strategy for network security, ensuring alignment with broader business objectives and IT transformation goals.</li><li>
Experience managing vendor relationships, overseeing security technology lifecycles, and handling contract negotiations and budget management.</li><li>
Relevant certifications such as CISSP, CCSP or similar Cloud provider specific security certifications.</li><li>
Familiarity with regulatory frameworks such as GDPR, CCPA etc.</li></ul> 
Candidates having qualifications that exceed the minimum job requirements will receive consideration for higher level roles given (1) their experience, (2) additional job requirements, and/or (3) business needs. Depending on education, experience, and skill level, a variety of job opportunities might be available including Senior IT Manager.</div></div><div><div><h2 class="jobSectionHeader">
World Class Benefits:</h2></div><div>
At Halliburton, we're committed to providing you and your family with a comprehensive and affordable benefits package - which means we offer support for your physical, emotional, financial and parental needs, both now and in the future. When you join our team, you'll have access to a wide range of resources designed to help you thrive at work and at home. By clicking here, you can review a summary of the benefits available once you join.</div></div></div>
Halliburton is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation. 
Location
3000 N. Sam Houston Parkway E., Houston, Texas, 77032, United States 
Job Details
Requisition Number: 204392 
Experience Level: Experienced Hire 
Job Family: Support Services 
Product Service Line: Global Information Security 
Full Time / Part Time: Full Time
Additional Locations for this position: 
Compensation Information 
Compensation is competitive and commensurate with experience.</div>

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