Principal Network Administrator
Confirmed on the employer's own hiring board on Oct 24, 2026. First seen by Alion on Sep 22, 2026. Northrop Grumman scores B on the Alion truth index.
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 of 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.
Key Responsibilities:
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.
Basic Qualifications:
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.
Preferred Qualifications:
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 and best practices; experience with network challenges associated with systems integration, including COTS integration, capacity analysis, and system architecture design.
Demonstrated strong leadership skills.
Demonstrated experience in the use of network analysis tools (i.e. SolarWinds, WireShark, Riverbed App Transaction, etc.).
DISA STIGs knowledge and/or implementation experience.
Network encryption devices experience.
Cisco Call Manager experience.
Cisco TelePresence equipment experience.
We offer flexible work arrangements, phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly team environment. Our diverse portfolio of programs means there are endless paths to cultivate your career. We also offer exceptional benefits/healthcare, a 9/80 work schedule, and a great 401k matching program. Come join us!
Primary Level Salary Range: $103,600.00 - $155,400.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.