Sr. Principal Network Engineer
Listed on 2026-06-18
-
IT/Tech
Systems Engineer, Cybersecurity, IT Support
RELOCATION ASSISTANCE:
Relocation assistance may be available
CLEARANCE REQUIRED FOR START:
Yes
CLEARANCE TYPE:
Top Secret
TRAVEL:
Yes, 10% of the Time
At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon.
We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.
At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological solutions to enable strategic objectives. We’re looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours by expanding your personal network and developing skills, whether you are new to the field or an industry thought leader.
At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career.
Northrop Grumman’s Corporate Sector's Chief Information & Digital Office (CIDO) is seeking a Senior Principal Network Engineer to support its IT Infrastructure & Operations organization’s Classified Solutions team. The selected candidate will support information system lifecycle activities and will be required to work on-site, full-time at our Linthicum, MD or Redondo Beach, CA campus - this is NOT a remote work opportunity.
Key Responsibilities- Perform Senior Principal Network Engineer activities in support of classified government contracts.
- Define and execute long-term network architecture roadmaps, such as SDWAN, Zero Trust, and cloud-enabled networking, ensuring alignment with enterprise security and compliance requirements.
- Lead the design, integration, and implementation of large-scale, multi-domain 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., Service Now, 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.
- Lifts and moves equipment up to 50 pounds.
- Work after hours and weekends, as needed.
- PhD with 4 years of relevant experience, or a 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…
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