> Markdown version of [/jobs/ext/2187997-network-systems-engineer](https://www.wearedevelopers.com/jobs/ext/2187997-network-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Systems Engineer - **Company:** ASGN Incorporated - **Location:** Norfolk, VA, United States - **Salary:** $93,600.0 - $126,880.0 - **Contract:** Permanent contract - **Skills:** Wireless LAN, Agile Methodology, Systems Engineering, JIRA, Border Gateway Protocol, Configuration Management, Computer Networks, Enhanced Interior Gateway Routing Protocol, Virtual Private Networks (VPN), Multi-protocol Systems, Python (Programming Language), Network Architecture, Routing, Open Shortest Path First (OSPF), Ansible, Virtual Local Area Networks, Wide Area Networks, Wireless Networks, Network Routers, Apex Code, Computer Networking Systems, Computer Network Technologies, Firewalls (Computer Science), Open Network Automation Platform, Cisco - **Published:** August 22, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9107454/network-systems-engineer ## About the Role * Experience supporting enterprise LAN/WAN/WLAN and network boundary environments. * Strong hands-on expertise with routing and switching technologies. * Experience supporting SD-WAN, MPLS, VPNs, OSPF, BGP, and EIGRP. * Experience providing Tier III support in complex enterprise environments. * DoD 8570 IAT Level III certification required (CASP+, CISSP, CCNP Security, or equivalent). * Experience with Agile/SAFe methodologies and JIRA. * Knowledge of network architecture, change management, and configuration management processes. * Ability to support large-scale enterprise network modernization efforts., * Experience supporting Navy or other federal government environments. * Experience with network automation and Infrastructure as Code (IaC). * Experience with Ansible and Python. * Experience with Arista networking technologies. * Cisco certifications such as CCNA, CCNP, or CCIE. ## Description Apex Systems is currently hiring a Systems Engineer MID - LAN/WAN/WLAN with a large federal client. As a Systems Engineer, you will support enterprise network modernization efforts by engineering, maintaining, and troubleshooting mission-critical LAN, WAN, and WLAN environments across a geographically dispersed Department of Defense network infrastructure. Project Details / Mission Supported: * Provide Tier III support for complex enterprise network issues and operational incidents. * Configure, maintain, and support switches, routers, firewalls, VLANs, and wireless infrastructure. * Troubleshoot routing, switching, SD-WAN, VPN, MPLS, and network boundary technologies. * Support network engineering, change management, and configuration management activities. * Perform root cause analysis and recommend corrective actions to improve network stability and performance. * Participate in network architecture, design, and modernization initiatives. * Support lab validation, testing, and deployment of enterprise network solutions. * Collaborate with engineering teams to ensure operational readiness and mission success. ## 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) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Dev & Test in the Cloud? 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