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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Principal Network Communications - **Company:** Northrop Grumman - **Location:** Linthicum Heights, MD, United States (Remote available) - **Experience:** Expert - **Salary:** $123,400.0 - $185,000.0 - **Contract:** Permanent contract - **Skills:** JIRA, Complex Networks, Information Systems, Computer Networks, Network Troubleshooting, Network Architecture, Routing, Systems Integration, Wide Area Networks, Network Routers, Firewalls (Computer Science), Cisco, Servicenow - **Published:** September 6, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9147026/sr-principal-network-communications ## About the Role * Master's degree with 6 years of relevant experience, or a Bachelor's degree with 8 years of relevant experience, or an Associate's degree with 10 years of relevant experience; a High School Diploma (or equivalent) with 12 years of relevant experience may be considered in lieu of a completed degree. * Applicants must have an active U.S. Government Secret level security clearance (at a minimum), to include a closed investigation date completed within the last 6 years, or must be enrolled in the U.S. Government Continuous Evaluation Program (CEP) in order to be considered; the required security clearance must be maintained as a condition of continued employment. * Current Security+ and CCNA certifications; the required certifications must be maintained as a condition of continued employment. * Demonstrated experience designing and maintaining complex LAN/WAN based networks to include analysis, enhancements of routers, switches, and firewalls * Experience supporting Video Teleconferencing (VTCs) and deploying audio/visual technologies in classified environments., * Bachelor's degree Network Engineering . * Active U.S. Government Top Secret security clearance. * Experience supporting Cisco Call Managers or other similar technologies . * Experience designing, implementing, and managing largescale, multidomain network architectures; expertise in advanced routing, security, and mission critical systems . * Experience with configuring TACLANES, and/or encryption solutions . * Experience with Assessment & Authorization processes. * Experience troubleshooting network procedures and best practices; experience with network challenges associated with systems integration, including COTS integration, capacity analysis, and system architecture design. * Evidence of published technical papers, patents, or internal knowledge-sharing contributions . ## Description The Northrop Grumman CIDO Classified Solutions team is seeking a Sr. Network Communications to support information system lifecycle activities. The selected candidate will be required to work on-site, full-time at our Linthicum, MD location. The responsibilities of this role will include but not be limited to the following: * Perform Sr. Network Communications activities in support of classified government contracts. * Define and execute long-term network architecture roadmaps, such as SDWAN, ZeroTrust, and cloud-enabled networking, ensuring alignment with enterprise security and compliance requirements. * Lead the design, integration, and implementation of large-scale, multidomain networks supporting classified missions, and oversee network migrations and cyber resilience initiatives. * Serve as a senior technical liaison to government customers and internal leadership, negotiating requirements, delivering status briefings, and participating in external technical forums, proposals, and procurement discussions. * Author, maintain, and enforce enterprise-wide network standards, policies, and security frameworks; regularly audit compliance and champion continuous improvement initiatives. * Provide advanced monitoring, analysis, and planning for network systems, coordinating third-party maintenance as needed and supporting environments through ticketing systems (e.g., ServiceNow, JIRA). * Deliver third-level technical support for complex network, hardware, software, and telecommunications issues . * Develop innovative technical solutions to complex problems, support project designs, clarify requirements, and ensure solutions adhere to established standards. * Raise issues requiring management attention and measure performance against KPIs, implementing corrective actions to exceed operational standards. * Provide senior-level technical expertise by mentoring junior and experienced team members, fostering their professional growth, and enhancing team capabilities. * Lift and move equipment weighing up to 50 pounds. * Work after hours and weekends, as needed. Note: Due to the classified nature of the work being performed, this position does not offer any virtual or telecommute working options. Applicants are encouraged to apply, only if they are willing to work on-site, full-time at our Linthicum, MD campus. ## 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) - [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) - [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) - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) - [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) - [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) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [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) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)