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Systems Administrator - Level 2 or 3

Northrop Grumman
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Aurora, CO, USA
Sep 21, 2026
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: SCI

TRAVEL: 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 Space Systems is seeking a Systems Administrator - Leel 2 or 3 to join our team based in Aurora, CO at the Buckley Space Force Base.

Job responsibilities will include, but not be limited to, the following:

      • Perform as a Linux Systems Administrator on large, classified government contracts.
      • Communicate effectively at all levels of the organization, with internal and external customers, in written and verbal formats.
      • 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.
      • Support multiple networks.
      • Ensure necessary administration tasks are completed and direct others as necessary.
      • Analyze internal and external customer requirements and determine 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.
      • Create and maintain user and computer accounts and modify file permissions and security access lists.
      • Test new releases of products to ensure compatibility and minimize user impact.
      • Develop and document technical processes and procedures as needed.
      • Make recommendations to purchase hardware, software, and system components.
      • Interact, meet, discuss, and troubleshoot issues with vendors; evaluate vendor products, services, and suggestions.
      • Knowledge and experience with VMware and virtualization.
      • Ability to perform quarterly security patch updates supplied by factory on a multitude of virtual machines.
      • Adhere to strict Information Systems security guidelines in all cases.
      • Maintain security audit and logging information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM).
      • Prepare security documentation for Cyber Security team.
      • Report project status as required for all recurring and non-recurring efforts.
      • Work under minimal direction and independently determine and develop approaches to solutions.

This requisition may be filled at a higher job grade based on the qualifications listed below.

This requisition may be filled as either a level 2 or level 3.

Basic Qualifications for a Level 2:

      • Bachelor's degree with 2 years of related experience; Master's degree with 0 years of related experience. An additional 4 years of related experience may be considered in lieu of a degree.
      • Must have Current/Active DoD TS/SCI Security Clearance or higher 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

Basic Qualifications for a Level 3:

      • Bachelor's degree with 5 years of related experience; Master's degree with 3 years of related experience; PhD with 0 years of related experience. An additional 4 years of related experience may be considered in lieu of a degree.
      • Must have Current/Active DoD TS/SCI Security Clearance or higher 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

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

Primary Level Salary Range: $83,400.00 - $125,200.00

Secondary Level Salary Range: $103,600.00 - $155,400.00

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.

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.

Job ID

R10240788

Security Clearance

TS/SCI
About Northrop Grumman

Northrop Grumman solves the toughest problems in space, aeronautics, defense and cyberspace to meet the ever-evolving needs of our customers worldwide. Our 90,000 employees are Defining Possible every day to create and deliver advanced systems, products and services. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will allow you to work together with people from many backgrounds, personal passions and disciplines.

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