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Principal Windows/Linux Systems Administrator

Requisition ID: R10045276

  • Category IconCategory: Information Technology
  • Location IconLocation: Linthicum, Maryland, United States of America
  • Citizenship IconCitizenship Required: United States Citizenship
  • Clearance IconClearance Type: Polygraph
  • Telecommute IconTelecommute: No- Teleworking not available for this position
  • Shift IconShift: 1st Shift (United States of America)
  • Travel IconTravel Required: Yes, 10% of the Time
  • Positions IconPositions 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.

Northrop Grumman Global Operations Security is seeking a well-qualified Windows/Linux Systems Administrator to join its dynamic team of technical professionals in the Linthicum, MD area.  Roles and responsibilities will include but not be limited to the following:

  • Perform as primary Systems Administrator for a large classified government contract.

  • Communicate effectively at all levels of the organization with internal and external customers, in written and verbal format.

  • Maintain efficient operations of the entire IT infrastructure including severs, desktop, and networking equipment. 

  • Support multiple networks and ensure necessary IT administration tasks are completed independently as necessary.

  • Analyze internal and external customer requirements and recommend 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 as directed by policy.

  • Create and maintain user and computer accounts and modify file permissions as directed by policy.

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

  • Develop and maintain technical processes and procedures as needed.

  • Maintain security audit and logging information on all classified networked and standalone computers as directed by the Cyber Security team

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

Basic Qualifications:

  • Associate's degree and 7 years of experience, or Bachelor’s degree and 5 years of experience, or Master’s degree and 3 years of experience; a High School diploma or equivalent with 9 years of experience may be considered in lieu of a completed degree.

  • Active Top Secret/SCI security clearance with polygraph required on Day 1 of employment; maintaining the required security clearance will be a condition of continued employment.

  • The selected candidate will be required to obtain a Special Access Programs (SAP/SAR) clearance within a reasonable period of time as determined by the company, and also by program and/or customer requirements; maintaining a SAP clearance will be a condition of continued employment.

  • Current Security + CE certification required on Day 1 of employment; maintaining the required certification will be a condition of continued employment.

  • Experience managing Windows Server OS and domain architecture.

  • The ability to support multiple networks, ensure necessary administration tasks are completed, and direct others as necessary.

  • The ability to lift equipment weighing up to 40 pounds.

  • The ability to work after hours and weekends as needed.

Preferred Qualifications:

  • Experience giving technical presentations to technical and non-technical attendees.

  • Experience providing surge support to other programs as needed.

  • Active vendor-based IT certification.


Salary Range: $88,000 USD - $132,000 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.