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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer - **Company:** TEKSYSTEMS INC. - **Location:** Suffolk, VA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** IEEE 802.1X, Access Control List, Application Layers, Application Services, Configuration Management, Complex Networks, CompTIA Security+, Computer Networks, Networking Hardware, Internet Protocol Security (IP SEC), Virtual Private Networks (VPN), Network Troubleshooting, Network Layer, Network Architecture, Network Monitoring, Routing, Network Segmentation, Network Protocols, Network Management System, Public Key Infrastructure, Security Content Automation Protocol, Virtualization Technology, Wireless Networks, Wi-Fi Technology, Network Routers, Computer Networking Systems, Identity Services Engine, Network Access Control, Load Balancing, Virtual Environment, Firewalls (Computer Science), Juniper, Network Support, Palo Alto Networks, Routing & Switching, Firewall Services Module, Cisco, Vulnerability Analysis - **Published:** August 22, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9111465/network-engineer ## About the Role The successful candidate will possess strong technical expertise across networking, security, and systems administration disciplines, as well as excellent communication skills to effectively engage with both technical and non-technical government stakeholders., Experience supporting NSA-approved Commercial Solutions for Classified (CSfC) solutions. - Experience with the following technologies: - Cisco Routing & Switching - Cisco ISE - Juniper Networks - Palo Alto Networks - Aruba Networks - F5 Load Balancers - Experience with Wi-Fi standards including 802.11ac and 802.11ax. - Experience supporting U.S. Navy, Marine Corps, or broader DoD missions. - Familiarity with virtualization technologies and enterprise systems administration. - Active DoD 8570/8140 compliant certification (Security+, CISSP, CCNA, CCNP, or similar). Additional Skills & Qualifications Requirements: * Active DoD Secret Clearance minimum * 8 + years of experience as a Network Engineer focused on Cisco and/or Juniper appliances/environments * 2+ years working on MCEN and DOD environments * Solid technical understanding of network architectures to include network appliances; security appliances; application services; virtual environments; network management tools; network protocols; network troubleshooting; and optimizing network performance * Ability to use software, tools, and scripts to configure, monitor, troubleshoot and repair network equipment * Proven expertise in troubleshooting network problems * Good working experience with switching technologies and concepts ## Description Network Engineer will support the sustainment, maintenance, troubleshooting, and operational readiness of NSA-approved Commercial Solutions for Classified (CSfC) systems and networks in support of U.S. Navy operations. This role is part of a team of engineers delivering mission-critical systems and network support for classified communications environments. The position requires a hands-on technical professional capable of maintaining complex network infrastructures, supporting deployed systems, and ensuring compliance with Department of Defense (DoD) cybersecurity and configuration management requirements., Provide day-to-day sustainment, maintenance, troubleshooting, and optimization of NSA-approved CSfC environments. - Support virtualized infrastructure and complex network architectures across multiple operating systems and platforms. - Deploy, configure, test, and maintain network and security appliances in support of mission requirements. - Install, configure, and support routers, switches, firewalls, VPN gateways, wireless infrastructure, and other network components. - Perform configuration management activities and maintain overall operational readiness of network systems. - Troubleshoot and resolve network, system, and security-related issues in classified and operational environments. - Conduct technology assessments, engineering evaluations, and system performance analysis. - Support implementation and maintenance of Public Key Infrastructure (PKI) solutions, including certificate generation, installation, and lifecycle management. - Configure and troubleshoot IPsec communications and secure routing environments. - Implement and manage firewall policies, Access Control Lists (ACLs), and network segmentation controls. - Support Layer 3 and Layer 7 load balancing technologies. - Implement and troubleshoot routing and switching protocols in enterprise environments. - Configure and maintain 802.1X authentication and network access control solutions. -Utilize network monitoring, management, and security tools to ensure operational performance and security compliance. - Conduct vulnerability scanning activities using ACAS and support remediation efforts. - Perform system and network hardening in accordance with DoD STIGs, SCAP compliance requirements, and cybersecurity best practices. - Provide technical documentation, status reporting, and presentations to government customers and project stakeholders.- - Participate in on-call support activities and respond to system incidents as required. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)