Principal Linux Systems Administrator - Polygraph Linthicum, MD

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's Chief Information Office is seeking a well-qualified Linux Systems Administrator to join its dynamic team of technical professionals in the Linthicum, MD area.

The selected candidate will be required to work on-site, full-time, with time split between our Linthicum, MD and Annapolis Junction, MD campuses. Roles and responsibilities include but not limited to:

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

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

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

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

  • Analyze internal or external customer requirements and 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 .

  • 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.

  • Ability to travel as needed.

  • Ability to lift equipment weighing up to 40 pounds.

  • Ability to work after hours and weekends as needed.

Basic Qualifications:

  • Associate's degree with 7 years of experience, OR a Bachelor's degree with 5 years of experience, OR a Master's degree with 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 DoD Top Secret/SCI with Polygraph security clearance.

  • Must have the ability to obtain and maintain, access to program as a condition of continued employment.

  • Current IAT Level II certification (ie. Security+) or greater.

  • Experience operating under and managing systems within current applicable information systems compliance standards.

  • Experience maintaining Classified Linux Domains in effective operations to include:

  • Active Directory (AD)

  • Group Policy (GPO)

  • DNS management

  • DHCP and scopes

  • Supporting license managers

  • Supporting golden image deployment and underlying infrastructure

  • Experience working with vulnerability scanning tools.

Preferred Qualifications:

  • Bachelor's or Master's degree in IS related field.

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

  • Experience providing surge support to other programs as needed.

  • Experience working in team of IT professionals.

  • Active vendor-based IT certification.



Salary Range: $90,600 - $136,000

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.

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 . U.S. Citizenship is required for most positions.