> Markdown version of [/jobs/ext/2702156-systems-engineer-l3-network-engineer](https://www.wearedevelopers.com/jobs/ext/2702156-systems-engineer-l3-network-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). --- # Systems Engineer L3 - Network Engineer - **Company:** POWER3 SOLUTIONS, LLC - **Location:** Fort Meade, MD, United States - **Contract:** Permanent contract - **Skills:** Microsoft Excel, Systems Engineering, Confluence, JIRA, Software Debugging, Network Security, Network Troubleshooting, Microsoft Visio, Network Diagrams, Microsoft PowerPoint, Tripwire, Wireshark, Network Routers, Firewalls (Computer Science), Cisco Switches, Network Server, Cisco - **Published:** September 4, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9140284/systems-engineer-l3-network-engineer ## About the Role * Network security hardening experience * Specific knowledge of CISCO switches, routers and firewalls to include the Cisco 9300 series switches * Demonstrated ability to design and develop rack configurations drawings and network diagrams * Expertise and knowledge of switches, routers, firewalls, security appliances and architectures of network as a service * Network security and network hardening experience in DoD environments * Support for SSP development * Network Troubleshooting + Evaluation of message receiving functions + Assessment of Acks and Nacks + Ability to understand specific functions + Drawing and configuration of racks + Assess if network is configured correctly + Review firewall traffic (use of Packet Tools and Tripwire) + Tools: Wireshark and others + Ability to determine which side of the network problem is from a connection standpoint * Network Requirements Evaluation and developing network diagrams in Visio, PowerPoint and Excel * Physical Network Construction (installation of switches, fiber, cables security devices and more) on SERD for SCS/ESB * Assistance to tamper and concealment group in assessing needs for design and deployed network * HAIPE MTU assessment and review * Fiber installation and removal * Experience with JIRA, Confluence and similar tools, * TS/SCI Poly * BS + 20 years experience * Experience preferably in an intelligence community environment. * Experience with CISCO switches, routers and firewalls, dell and other servers, network laptops, network debug and analysis tools such as Wirehsark and Tripwire. * Experience with devices such as Palo Alto, Haipe or other security appliances. ## 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) - [Hacking Kubernetes: Live Demo Marathon](https://www.wearedevelopers.com/videos/488-hacking-kubernetes-live-demo-marathon) - [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) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [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) ## 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) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)