Principal Network Administrator
Listed on 2026-06-30
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IT/Tech
Cybersecurity, Systems Engineer, IT Support
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 you in 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 Principal Network Administrator to support its IT Infrastructure & Operations organization in Redondo Beach, CA. Please note that the selected candidate will be required to work on-site, full-time, at our Redondo Beach, CA campus, and that this is not a remote work opportunity.
RELOCATION ASSISTANCE:
Relocation assistance may be available.
CLEARANCE REQUIRED FOR START:
Yes.
CLEARANCE TYPE:
Secret.
TRAVEL:
Yes, 10% of the Time.
- Maintain smooth operation of LAN/WAN/VPNs.
- Plan, design, configure, and install network hardware in support of customer requirements.
- Maintain technical expertise in all areas of networks and computer hardware and software interconnection and interfacing, such as routers, firewalls, switches, WAN accelerators, etc.
- Propose solutions to management to help ensure all communications requirements based on future needs and current usage are met, configuring such solutions to optimize cost savings.
- Prepare and ensure that appropriate network documentation exists, including operational instructions.
- Provide regular monitoring and network analysis regarding short- and long-range planning for in-house systems.
- Coordinate third-party maintenance for network equipment and assist with network design, to include selecting hardware and software packages.
- Lift equipment weighing up to 40 pounds.
- Associate’s degree and 7 years of relevant experience, or Bachelor’s degree and 5 years of relevant experience, or Master’s degree and 3 years of relevant experience; a High School diploma or equivalent with 9 years of relevant experience may be considered in lieu of completed degree.
- Applicants must have a current 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 DoD Continuous Evaluation Program (CEP) in order to be considered; the required security clearance must be maintained as a condition of continued employment.
- Current DoD 8570 IAT Level II certification (ie: Security+ CE) or greater, or be able to obtain certification within 6 months of hire date; the required certification must be maintained as a condition of continued employment.
- Must have experience with Cisco hardware including routers, switches, and firewalls.
- Bachelor's or Master's degree in Information Systems related field.
- Active U.S. Government Top Secret/SCI level security clearance.
- Current professional certifications (eg. Cisco CCNA, CCNP, CCIE).
- Previous experience troubleshooting network procedures…
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