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Northrop Grumman

Sr. 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.

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Northrop Grumman Mission Systems is seeking a well-qualified Lead Linux 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 primary Lead Linux System Administrator for a large, classified government contract(s).
  • Maintain efficient operations of the entire IT infrastructure including severs, desktop and networking equipment.
  • Able to communicate effectively with all stakeholders in written and oral formats.
  • Ensure necessary IT projects are completed independently or assigned to others as necessary.
  • Obtain and analyze internal or external customer requirements and recommend equipment and software as need.
  • Implement system enhancements that will improve the performance, reliability and security of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management.
  • Manage backup infrastructure then provide backup and recovery services.
  • Manage virus protection on a routine basis as directed by policy.
  • Maintain security audit and logging information on all classified networked and standalone computers as directed by the Cyber Security team.
  • Create and maintain user and computer accounts and modify file permissions as directed by policy.
  • Develop and maintain technical processes and procedures as needed.
Basic Qualifications:
  • Associate's degree with 11 years of experience OR a Bachelor's degree with 9 years of experience, or a Master's degree with 7 years of experience, or a PhD with 4 years of experience; a High School diploma or equivalent with 13 years of experience may be considered in lieu of a completed degree.
  • Experience operating under and managing systems within current applicable information systems compliance standards.
Technical Abilities:
  • Experience maintaining Classified Linux Domains in effective operations.
  • Experience installing and managing Linux operating systems in a server environment.
  • Understanding of installing operating system patches.
  • Experience installing, configuring, and maintaining computer hardware in a networked environment.
  • Experience implementing STIGs (Security Technical Implementation Guides) on Linux systems.
  • General Linux troubleshooting.
  • End user support.
  • Support tier 2 and 3 helpdesk tickets.
  • Support and troubleshot remote nodes.
Clearance and Access:
  • Candidates must have a current DoD Top Secret/SCI level security clearance with a polygraph (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.
  • Must agree to submit and successfully complete a polygraph reexamination as a condition to retain access to special program(s).
  • Must have the ability to obtain and maintain access to program as a condition of continued employment.
Non-Technical Abilities and Certs:
  • Current IAT Level II certification (ie. Security+, CASP, CISSP, or similar DOD 8570 security certification) or must be maintained as a condition of continued employment.
  • Experience leading a technical team of IT professionals.
  • Experience mentoring junior level IT professionals.
  • Develop and administer IT Training programs.
  • Experience giving technical presentation to technical and non-technical attendees including executive leadership.
  • Experience providing surge support to other programs as needed.
  • Active vendor-based IT certifications.
Preferred Qualifications:
  • Bachelor's or Master's degree in IS related field.
  • Experience with VMWare implementation, migration, and maintenance.
  • Experience with NetApp and/or Nutanix implementation, migration and maintenance.
  • Experience with system design and architecture.
  • Experience with communicating with executive leadership.
Salary Range: $115,400 - $181,300

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-R10146041
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

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