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Principal Linux Systems Administrator

Requisition ID: R10107318

  • CategoryCategory: Information Technology
  • LocationLocation: Redondo Beach, CA, USA
  • Citizenship RequirementsCitizenship Required: United States Citizenship
  • Security Clearance TypeClearance Type: Secret
  • TelecommuteTelecommute: No- Teleworking not available for this position
  • ShiftShift: 1st Shift (United States of America)
  • Travel RequirementsTravel Required: Yes, 10% of the Time
  • Relocation AssistanceRelocation Assistance: Relocation assistance may be available
  • Number of Positions AvailablePositions Available: 1

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 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 are making history.

Northrop Grumman Enterprise Services is seeking a well-qualified Linux Systems Administrator to join our dynamic team of technical professionals in Redondo Beach, CA.

Roles and responsibilities will include but not be limited to the following:

  • Perform as a Linux System Administrator for a classified government contract.

  • Able to communicate effectively at all levels of the organization, with internal or external customers, in written and oral format.

  • Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT management.

  • Able to support multiple networks. Ensure necessary administration tasks are completed; direct others as necessary.

  • Analyze internal or external customer requirements and determine equipment and software requirements for solutions to problems by means of automated systems.

  • Recommend and implement system enhancements that will improve the performance and reliability of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management.

  • Provide backup and recovery services; manage file systems and disk space; manage virus protection on a routine basis.

  • Create and maintain user and computer accounts and modify file permissions and security access lists.

  • Test new releases of products to ensure compatibility and minimize user impact.

  • Develop and document technical processes and procedures as needed.

  • Make recommendations to purchase hardware, software, system components.

  • Interact, meet, discuss, and troubleshoot issues with vendors; evaluate vendor products, services, and suggestions.

  • Adhere to strict Information Systems security guidelines in all cases.

  • Maintain security audit and logging information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM).

  • Prepare security documentation for input to Computer Security.

  • Report project status as required for all recurring and non-recurring efforts.

  • Works under minimal direction and independently determines and develops approach to solutions.

Basic Qualifications:

  • Bachelor’s degree with 5 years of IT experience; OR a master’s degree with 3 years of IT experience; OR PhD with 0 years of experience; OR 9 years of IT experience in lieu of degree

  • Must have Linux workstation or server experience.

  • Candidates must have a current DOD 8570 IAT level 2 baseline certification (example: Security+ CE); OR must have the ability to obtain one within 6 months of start date.

  • Candidates must have the ability to obtain a DOD Secret level security clearance.

Preferred Qualifications:

  • The ideal candidate will have a bachelor’s degree in Information Technology and the appropriate years of experience administrating, configuring, maintaining, and troubleshooting Linux servers and workstations in a classified environment.

  • Red Hat certification for the current version

  • Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN,or JSIG information system environments.

  • Experience installing, configuring, and maintaining computer hardware in a networked environment.

  • Current Security+ CE, CASP, CISSP, or similar certifications

  • Understanding basic networking, including subnets, routing, and VLANs

  • Cisco experience and/or certifications desirable

  • Windows domain architecture experience

  • Windows AD, LDAP, VMWare, and knowledge of SAN storage systems

  • Knowledge of environmental monitoring tools (HBSS/Solar Winds/Splunk)

  • Rudimentary Scripting experience

  • Creation and deployment of system images in an enterprise environment

  • Experience with Certification & Accreditation process

  • DoD 8570 Certification in a primary OS (Windows, Linux, Cisco)

  • Ability to lift equipment weighing up to 40 pounds.

  • Ability to work after hours, and weekends, as needed.

  • Current Active Top Secret clearance, or SAP/SAR access level, is highly desirable.


Salary Range: $95,000 USD - $142,400 USD

Employees may be eligible for 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 health and safety of our employees and their families is a top priority. The company encourages employees to remain up-to-date on their COVID-19 vaccinations. U.S. Northrop Grumman employees may be required, in the future, to be vaccinated or have an approved disability/medical or religious accommodation, pursuant to future court decisions and/or government action on the currently stayed federal contractor vaccine mandate under Executive Order 14042 https://www.saferfederalworkforce.gov/contractors/.

Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action 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/AA and Pay Transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for most positions.



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What's great about
Northrop Grumman

  1. Be part of a culture that thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work.
  2. Use your skills to build and deliver innovative tech solutions that protect the world and shape a better future.
  3. Enjoy benefits like work-life balance, education assistance and paid time off.


Did you know?

Northrop Grumman leads the industry team for NASA’s James Webb Space Telescope, the largest, most complex and powerful space telescope ever built. Launched in December 2021, the telescope incorporates innovative design, advanced technology, and groundbreaking engineering, and will fundamentally alter our understanding of the universe.