Sr Principal Network Administrator - Secret

Northrop Grumman•Azusa, CA

9d•$129,300 - $193,900•Onsite

About The Position

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. The Northrop Grumman Classified Solutions CIDO team is seeking a Sr. Principal Network Communications - Senior Network Admin to support information system lifecycle activities. The selected candidate will be required to work on-site, full-time at our Azusa, CA location.

Requirements

Master's Degree with 6 years of relevant technical experience; OR a Bachelor's Degree with 8 years of relevant technical experience; OR an Associate's Degree with 10 years of relevant technical experience; OR a High School Diploma (or equivalent) with 12 years of relevant technical experience is required
Experience designing and maintaining complex LAN/WAN based networks to include analysis, enhancements of routers, switches, and firewalls
Candidates must meet the U.S. Government 8140 requirements (8570 equivalent) for a Linux/Windows Systems Administrator – IAT level II certification at a minimum (examples: Security+ CE, CND, CCNA Security, SSCP, GICSP, GSEC, CCISO)
Candidates must have a current U.S. Government Secret level security clearance (at a minimum) in order to be considered
Must have the ability to obtain and maintain a Top Secret level security clearance as a condition of continued employment

Nice To Haves

Bachelor’s degree Network Engineering
Experience supporting Video Teleconferencing (VTCs), deploying audio/visual technologies in classified environments
Active Secret, Top Secret, SCI, SAP/SAR access, or Polygraph
Security+ CE certification
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
Top Secret clearance

Responsibilities

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.
Lifts and moves equipment up to 50 pounds.
Work after hours, and weekends, as needed.