We have an opening for a Principal System Administrator, Technical Level 3 to join our team of qualified, motivated individuals in NG’s Space Sector. This position is for a team lead and is 100% on-site at Schriever SFB, Colorado.
Job Responsibilities
Lead the day-to-day operations of the 24/7 team, ensuring availability, performance, and reliability of the IT system.
Oversee incident, request, problem, and change management processes.
Establish the 24/7 team schedule to ensure continuous System
Administrator coverage for this critical, national security mission.
Adjust and adapt the schedule to accommodate for team availability and outages.
Establish, communicate, and apply scheduling rules in accordance with program need and NG labor practices. Nominally, 12-hour shifts are based on a Panama Schedule template.
Aid fellow team members and end users in troubleshooting and problem resolution in support of space system development efforts.
Communicate effectively verbally and in writing to include, but not limited to, creation of process documentation and Standard Operating Procedures (SOPs).
Install, configure, troubleshoot, and maintain Windows and Linux VMs.
Provide accurate logs so that the development and sustainment teams can make improvements in product stability and functionality.
Implement system enhancements that will improve the performance and reliability of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management.
Maintain smooth operation of multi-user computer systems, including coordination with team members, system engineers, programmers, project managers, developers, and customers.
Install, configure, and perform maintenance of virtual environments to include virtualized servers and VDI Desktops.
Create and maintain user and computer accounts and modify file permissions and security access lists via Active Directory and Linux.
Oversee daily maintenance and provide Tier 1/2 troubleshooting and support in virtualized and/or containerized environments (VMWare or RedHat OpenStack and OpenShift).
Support integration of DevOps software: Jira, Confluence, Bitbucket, Ansible, and Terraform.
Escalate trouble tickets to the DevOps team that cannot be worked at Tier 1/2.
Basic Qualifications:
Bachelor’s degree with 5 years of experience; or Master’s degree with 3 years of experience. Experience may be considered in lieu of a degree. (Additional 4 years experience)
Must have U.S. Citizenship with a current or active Top Secret level clearance and an active SCI indoctrination to be considered.
Experience in designing and implementing IT Service Management technologies (e.g. Jira Service Management, ServiceNow, Remedy)
Experience in Linux (RHEL 7/8) Server and Workstation Administration and VMWare Administration and/or experience in Windows (11+) and Server (2019+) Administration.
Ability to follow a checklist or an established troubleshooting routine for network connection issues and/or application software issues.
Ability to build and maintain collaborative relationships to work effectively with others in a team setting through shared responsibility and respect.
Current CompTIA Security+ or other IAT Level 2 certification, per DoDM-8570.
Preferred Qualifications:
Microsoft Certified: Windows Server
Red Hat Certified Systems Administrator (RHCSA) certification
Experience with RedHat OpenStack and OpenShift
Experience with DNS, Active Directory, GPOs, and LDAP configuration
Experience with DevOps systems and methods
Skills Required
- Bachelor's degree with 5 years experience or Master's with 3 years (experience may be considered in lieu of degree)
- U.S. Citizenship with current or active Top Secret clearance and active SCI indoctrination
- Experience designing and implementing IT Service Management technologies (Jira Service Management, ServiceNow, Remedy)
- Experience in Linux (RHEL 7/8) server and workstation administration and VMWare administration and/or Windows (11+) and Server (2019+) administration
- Ability to follow checklists/troubleshooting routines for network or application issues
- Ability to build and maintain collaborative relationships and work effectively in a team setting
- Current CompTIA Security+ or other IAT Level 2 certification (per DoDM-8570)
- Microsoft Certified: Windows Server
- Red Hat Certified Systems Administrator (RHCSA)
- Experience with RedHat OpenStack and OpenShift
- Experience with DNS, Active Directory, GPOs, and LDAP configuration
- Experience with DevOps systems and methods
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.







