Posted:
2/20/2026, 1:13:20 AM
Location(s):
South Dakota, United States
Experience Level(s):
Expert or higher ⋅ Senior
Field(s):
IT & Security
Workplace Type:
Hybrid
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, but they’re also making history.
Northrop Grumman Aeronautics Systems has an opening for an Sr. Principal Systems Administrator to join our team of qualified, diverse individuals within our Ground Systems Team. This role is in Ellsworth, SD.
Qualified candidates will apply technical knowledge and will have the opportunity to work on multiple tasks including but not limited to the following:
Essential Functions:
Provide real time support for B-21 Ground Systems multi-user computer systems supporting flight operations and maintenance.
Account for, control, and deploy equipment.
Configure user, administrator, and service accounts.
Work with partners to resolve technical and data movement issues between Ground Systems and external systems.
Perform field integration, troubleshooting, and repair of communications systems in military flight operations environment, including operations on flightline, in a hangar, and in command-and-control centers.
Adherence to checklists and procedures to ensure repeated success and providing redlines to procedures when necessary.
Work with a team to provide on-site end user systems administration support 24 hours, 5 days a week.
Provide systems administration support through updates, configurations, security patches, drawings, and feedback to the Responsible Engineers (REs).
Communicate complex technical issues to local support, Main Operation Bases (MOBs), and Responsible Engineers (REs).
Assist with trend analysis as needed for Responsible Engineers (REs).
Perform/support review and analysis of supplier design data and definition of functional test requirements including acceptance, qualification, and system integration.
Take responsibility for the testing, maintenance, and integration of communication systems equipment required to support ground and flight operations.
Work with system admins, maintainers, and onsite personnel to troubleshoot and repair any internal operational issues.
Basic Qualifications:
Bachelor’s Degree and 8 years of experience, or Master's Degree and 6 years of experience; PhD and 4 years of experience in Information Technology/Systems, Cybersecurity/Information Security, Network/System Administration, Computer/ Data Science/Analytics, or Computer/Software/Electrical Engineering;
Ability to be granted and maintain a DoD SECRET clearance. May be required to attain TOP SECRET clearance in the future.
The ability to obtain Special Access Programs (SAP) within a period of time as determined by program and/or customer requirements, as a condition of continued employment.
Current CompTIA Security Plus (or higher) certification.
Experience with STIG compliance.
Experience with Microsoft Office, Visio, Project, PowerPoint, and Excel.
Ability to lift equipment weighing up to 40 pounds.
Ability to work after hours and weekends as needed.
Preferred Qualifications:
Experience with remote cloud architecture.
Experience working in an Air Force flightline environment
Experience working with Air Force flight communications systems
Active DoD SECRET or TOP SECRET clearance.
Active Specific Special Access Program access
Website: https://northropgrumman.com/
Headquarter Location: Falls Church, Virginia, United States
Employee Count: 10001+
Year Founded: 1994
IPO Status: Public
Last Funding Type: Grant
Industries: Data Integration ⋅ Manufacturing ⋅ Remote Sensing ⋅ Security ⋅ Software