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Salary
$83k – $125k per year
Location
In office (Aurora)
Seniority
Junior · 1+ year exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 2, 2026. First seen by Alion on Oct 7, 2026. Northrop Grumman scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Northrop Grumman is an American defence contractor whose oldest predecessor was founded in 1939, and which took its present form through the 1994 combination of Northrop and Grumman. It builds strategic systems including the B-21 Raider bomber and the Sentinel intercontinental ballistic missile programme, military and civil space systems, radars and electronic warfare equipment, autonomous aircraft, and mission systems and software for the United States armed forces and allied governments. Headquartered in Falls Church, Virginia and listed on the New York Stock Exchange, it earns the large majority of its revenue from the American government and employs close to one hundred thousand people.
RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: PolygraphTRAVEL: Yes, 10% of the Time

Description

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 Space Sector is seeking a Systems Administrator- Level 2 or Level 3 to join our team in Aurora, CO. This position is 100% onsite and cannot accommodate telecommute work.

*This position is contingent upon capturing program award(s), obtaining and maintaining customer funding, and holding final clearances (if applicable) prior to start date*

The Systems Administrator will perform as a Linux Systems Administrator on large, classified government contracts. Will work under minimal direction and independently determine and develop approaches to solutions.

Job responsibilities include, but are not limited to, the following:

  • 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.
  • 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.
  • Create and maintain user and computer accounts and modify file permissions and security access lists.
  • Knowledge and experience with VMware and virtualization.
  • Ability to perform quarterly security patch updates supplied by factory on a multitude of virtual machines.
  • Maintain security audit and logging information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM).
  • Other duties as assigned

This position is contingent upon the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company.

*Please be aware that this position will be contingent upon capturing program award(s), obtaining and maintaining customer funding, and holding final clearances (if applicable) prior to start date.*

This position can be filled at either a Level 2 or Level 3.

Basic Qualifications for Level 2:

  • Bachelor’s degree with 2 years of professional experience - OR - Master’s degree with 0 years of professional experience. Will consider an additional 4+ years of experience in lieu of degree.
  • Requires an active Top-Secret/Sensitive Compartmented Information (SCI) clearance with an active Counterintelligence (CI) Polygraph at time of application
  • Must have at least 1 year of server administration experience with RHEL
  • Must have a DoD 8570 IAT Level II baseline certification (example: Security+ CE) or ability to obtain one within 6 months of start date as a condition of continued employment
  • Ability to lift equipment weighing up to 40 pounds
  • Must have ability to work off shifts and overtime as needed.

Basic Qualifications for Level 3:

  • Bachelor’s degree with 5 years of professional experience - OR - Master’s degree with 3 years of professional experience - OR - PhD with 1 year of professional experience. Will consider an additional 4+ years of experience in lieu of degree.
  • Requires an active Top-Secret/Sensitive Compartmented Information (SCI) clearance with an active Counterintelligence (CI) Polygraph at time of application
  • Must have at least 1 year of server administration experience with RHEL
  • Must have a DoD 8570 IAT Level II baseline certification (example: Security+ CE) or ability to obtain one within 6 months of start date as a condition of continued employment
  • Ability to lift equipment weighing up to 40 pounds
  • Must have ability to work off shifts and overtime as needed.

Preferred Qualifications:

  • Familiarity with Information Assurance processes for various USG classified networks
  • Experience of Active Directory forests, including root and child domains.
  • Experience of cross platform networks consisting of Linux, UNIX and Windows Servers

Curious about all the exciting developments with the Northrop Grumman Space Sector?

Click the link below:

https://www.northropgrumman.com/space

Working at Northrop Grumman is more than just a paycheck. We offer a comprehensive Total Rewards and benefits package designed to help you thrive at work and in life. For more information on our Total Rewards package, please visit our Total Rewards site.

Northrop Grumman Total Rewards

Primary Level Salary Range: $83,400.00 - $125,200.00Secondary Level Salary Range: $103,600.00 - $155,400.00The 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.Depending on the position, employees may be eligible for overtime, shift differential, and 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 an Equal Opportunity 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 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.
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