Sr Principal Network Administrator - Polygraph

Northrop Grumman; United States; On-site; USD 130,000 - 190,000; Full time

Job summary

Northrop Grumman seeks a Sr. Network Communications - Network Administrator to support classified government contracts at Redondo Beach, CA. You will lead network design, security, and integration efforts while mentoring staff.

Requires Top Secret/SCI clearance with a recent Counter-Intelligence Polygraph, and hands-on experience with LAN/WAN, VTC/AV in classified environments, and modern network technologies.

Qualifications

• Master's/Bachelor/Associate/HS with years of IT experience and security clearance.
• Experience designing and maintaining complex LAN/WAN networks with routers, switches, firewalls.
• Experience deploying VTC/AV technologies in classified environments.

Responsibilities

• Perform Sr. Network Communications activities for classified government contracts.
• Define and execute long-term network roadmaps (SDWAN, ZeroTrust, cloud networking).
• Lead design and deployment of large-scale multidomain networks and migrations.
• Mentor junior team members and ensure KPI targets are met.

Skills

LAN/WAN design

VTC/AV in classified

IAT II cert

Education

Master's degree in IT

Bachelor's degree in IT

Associate degree in IT

High School Diploma

Tools

ServiceNow

JIRA

Job description

RELOCATION ASSISTANCE: No relocation assistance available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Polygraph

TRAVEL: Yes, 25% of the Time Description

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 CIDO Classified Solutions team is seeking a Sr. Network Communications - Network Administrator to support information system lifecycle activities. The selected candidate will be required to work on-site, full-time at our Redondo Beach, CA location.

The responsibilities of this role include, but are not 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.
• Lifts and moves equipment up to 50 pounds.
• Work after hours, and weekends, as needed.

Basic Qualifications:

• Master's Degree with 6 years of relevant IT experience; OR a Bachelor's Degree with 8 years of relevant IT experience; OR an Associate's Degree with 10 years of relevant IT experience; OR a High School Diploma/GED with 12 years of relevant IT experience is required
• Demonstrated experience designing and maintaining complex LAN/WAN based networks to include analysis, enhancements of routers, switches, and firewalls
• Experience supporting Video Teleconferencing (VTCs), deploying audio/visual technologies in classified environments
• Candidates must meet the U.S. Government 8140 requirements (8570 equivalent) for a Sr Principal Network Administrator - IAT Level II certification (example: Security+ CE, CCNA-Security, CND)
• Candidates must have a current Top Secret / SCI clearance with a recent Counter-Intelligence Polygraph (at a minimum) in order to be considered
• Candidates must have the ability to obtain, and maintain, access to Special Programs as a condition of continued employment