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# Principal / Sr. Principal Software Systems Administrator [TS S

- **Company:** Northrop Grumman
- **Location:** Stafford, VA, United States
- **Experience:** Expert
- **Salary:** $103,600.0 - $155,400.0
- **Contract:** Permanent contract
- **Skills:** HTML, JavaScript (Programming Language), Microsoft Windows, Active Directory, Software Applications, JIRA, Bash Shell, Cascading Style Sheets (CSS), Configuration Management, Linux, Elasticsearch, Python (Programming Language), Network Troubleshooting, Linux System Administration, Systems Development Life Cycle, Red Hat Enterprise Linux, Server Administration, Software Systems, Subversion, Scripting, Virtual Environment, Git, AngularJS, Nessus, Front End Software Development, Nutanix, Software Coding, Software Version Control, Atlassian Bamboo, Vmware
- **Published:** August 29, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9126862/principal-sr-principal-software-systems-administrator-ts-s

## About the Role

This position is open as a dual level opportunity. We will consider candidates at a level 3 or level 4:

Based on your overall experience, education, years of experience, fit to the position, and interview evaluation will determine which level you are selected for.

 * Level 3 bachelor's degree with 5 years of experience OR a master's and 3 years' experience OR a High School diploma / equivalent with 9 years' experience may be considered in lieu of degree
 * Level 4: Bachelor's degree with 8 years of experience OR a master's and 6 years' experience OR a High School diploma / equivalent with 12 years' experience may be considered in lieu of degree

 * Work on-site at Stafford Virginia
 * Extensive experience with RHEL Operating systems
 * Familiar with Windows Operating Systems/Active Directory
 * TS/SCI clearance and ability to obtain a CI polygraph
 * Prior to start obtain a (IAT) level II or higher (i.e. Security +) .
 * Familiar with Compliance/Vulnerability Monitoring with tools such as Nessus, HBSS and ACAS

Preferred Qualifications:

 * Knowledge of the following: Hycu backup/recovery software or other backup/recovery software; Nutanix virtual environment, or other platforms such as VMWare; Elastic Search Stack (ELK);
 * Web (Brower based) GUI front end development (HTML, JavaScript, CSS, Angular)
 * Experience with hardening Linux OS and applications to required configurations (e.g. DISA STIGs)
 * Configuration Management experience working with software version control tools (Jira's Bamboo, Stash, GIT, Subversion)
 * Risk Management Framework (RMF)
 * Linux and / or Windows system administration experience
 * Network troubleshooting skills
 * Experience with scripting languages (Bash, Python) or others

## Description

Perform Linux server Administration and maintenance

System development, lifecycle upgrades, server monitoring and patching

Assist with all or part of the following: system application design, code development, testing, code maintenance.


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