Skip to main contentA logo with &quat;the muse&quat; in dark blue text.
Northrop Grumman

Principal Linux Systems Administrator - Polygraph

Linthicum Heights, 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.

Want more jobs like this?

Get Computer and IT jobs in Linthicum Heights, MD delivered to your inbox every week.

By signing up, you agree to our Terms of Service & Privacy Policy.

Northrop Grumman's Mission Systems sector is seeking a well-qualified Linux Systems Administrator to join its dynamic team of technical professionals in Linthicum, MD. Please note that due to the classified nature of this position, the selected candidate will be required to work on-site, full-time, with time split between our Linthicum, MD and Annapolis Junction, MD campuses, and that this is not a remote work opportunity. Roles and responsibilities will include but not be limited to the following:
  • Perform as a 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 verbal format.
  • Maintain efficient operations of the entire IT infrastructure including severs, desktop, and networking equipment.
  • Support multiple networks while ensuring 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, and 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 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 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.
  • Candidates must have a current Top Secret/SCI level security clearance with a polygraph, 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.
  • 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.
  • Ability to travel as needed.
  • Ability to lift equipment weighing up to 40 pounds.
  • Ability to work after hours and weekends as needed.
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.
#LI-COR

Salary Range: $93,000 - $139,600

The 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.

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 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 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 all positions with a government clearance and certain other restricted positions.

Client-provided location(s): Linthicum Heights, MD, USA
Job ID: NorthropGrumman-R10153192
Employment Type: Full Time

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Dental Insurance
    • Vision Insurance
    • Life Insurance
    • Short-Term Disability
    • Long-Term Disability
    • HSA
    • HSA With Employer Contribution
    • On-Site Gym
    • Pet Insurance
    • Mental Health Benefits
    • Virtual Fitness Classes
  • Parental Benefits

    • Birth Parent or Maternity Leave
    • Non-Birth Parent or Paternity Leave
    • Fertility Benefits
    • Adoption Assistance Program
    • Family Support Resources
    • Adoption Leave
  • Work Flexibility

    • Flexible Work Hours
    • Remote Work Opportunities
    • Hybrid Work Opportunities
    • Four-Day Work Week
  • Office Life and Perks

    • Commuter Benefits Program
    • Company Outings
    • On-Site Cafeteria
    • Holiday Events
  • Vacation and Time Off

    • Paid Vacation
    • Paid Holidays
    • Sabbatical
    • Leave of Absence
  • Financial and Retirement

    • 401(K)
    • 401(K) With Company Matching
    • Performance Bonus
    • Relocation Assistance
    • Financial Counseling
    • Profit Sharing
  • Professional Development

    • Tuition Reimbursement
    • Promote From Within
    • Mentor Program
    • Shadowing Opportunities
    • Access to Online Courses
    • Lunch and Learns
    • Internship Program
    • Leadership Training Program
    • Associate or Rotational Training Program
  • Diversity and Inclusion

    • Diversity, Equity, and Inclusion Program
    • Employee Resource Groups (ERG)
    • Woman founded/led

Company Videos

Hear directly from employees about what it is like to work at Northrop Grumman.