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
Skills Required
- Current/Active DoD TS/SCI security clearance at time of application
- At least 1 year of server administration experience with RHEL
- DoD 8570 IAT Level II baseline certification (e.g., Security+ CE) or ability to obtain within 6 months
- Bachelor's degree (with specified years of related experience) or additional years of related experience in lieu of degree
- Knowledge and experience with VMware and virtualization
- Ability to lift equipment up to 40 pounds
- Perform quarterly security patch updates on virtual machines and maintain security audit/logging per ISSM
- Familiarity with Information Assurance processes for USG classified networks
- Experience with Active Directory forests, including root and child domains
- Experience with cross-platform networks of Linux, UNIX, and Windows servers
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.








