- BAE Systems (Merrimack, NH)
- …Other incentives may be available based on position level and/or job specifics. ** Principal Systems Administrator ** **113660BR** EEO Career Site Equal ... BAE Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator to lead and manage classified IT infrastructure… more
- Northrop Grumman (Colorado Springs, CO)
- …they're making history. Northrop Grumman Defense Systems is seeking a well-qualified Principal Systems Administrator / Sr. Principal Systems ... limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract....a dynamic environment, apply today!_ **Basic Qualifications** : + Principal : Master's Degree with 3 years of IT experience;… more
- Northrop Grumman (Aurora, CO)
- …the warfighter. Come be a part of our mission. Northrop Grumman is seeking a **Sr Principal Systems Administrator ** to join our team at our facility in ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
- RTX Corporation (Tucson, AZ)
- …are eligible for a security clearance **Security Clearance:** DoD Clearance: Secret ** Principal Systems Administrator - 100% onsite, Tucson, AZ, must ... our systems and support IT infrastructures around the world. ** Principal System** **Administrators,** internally known as Principal Analyst, infrastructure… more
- ManTech (Arlington, VA)
- ManTech seeks a motivated, career and customer-oriented ** Principal Systems Administrator ** to join our team in **Pentagon, VA.** The position is **onsite.** ... software, network, and application issues + Manage and maintain computer systems , servers, and other IT infrastructure, ensuring optimal performance and security… more
- RTX Corporation (Woburn, MA)
- …are eligible for a security clearance **Security Clearance:** DoD Clearance: Secret ** Principal Systems Administrator , Storage & Data Protection, Woburn, ... tough, meaningful problems that create a safer, more secure world. ** Principal System Administrators** collaborate with a motivated team to support fast-paced,… more
- Northrop Grumman (Colorado Springs, CO)
- … Systems -Launch and Missile Defense Systems offers an exciting opportunity for a Principal Systems Administrator - COS IT Sys Admin (25-304) to join ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
- Northrop Grumman (Colorado Springs, CO)
- …-Launch and Missile Defense Systems is offering an exciting opportunity for a Principal Systems Administrator (25-292) to join our team of skilled and ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
- Northrop Grumman (Wright Patterson AFB, OH)
- …history, they're making history. Northrop Grumman is seeking a Linux Systems Administrator / Principal Systems Administrator to maintain and enhance ... demonstrate strong troubleshooting and problem-solving skills **Basic Qualifications for a Principal Systems Administrator ** : + Active Department of Defense… more
- Northrop Grumman (Wright Patterson AFB, OH)
- …days + US citizenship with an active TS/SCI clearance **Basic Qualifications for a Principal Systems Administrator :** + Bachelor's degree in a Science, ... of history, they're making history. Northrop Grumman is seeking a Linux Systems Administrator to maintain and enhance Linux Systems and Infrastructure in… more
- Leidos (Aurora, CO)
- **Description** **Leidos** has a new and exciting opportunity for a ** Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber ... with lasting impactful results. Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
- Serco (Kirtland AFB, NM)
- **Position Description** Serco is seeking a Linux Principal Windows Systems Administrator to join our team supporting the Defense Systems sector at ... other legally protected characteristics. Click here to apply now (https://careers-sercous.icims.com/jobs/69556/linux- principal -windows- systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to Serco?** Join… more
- Leidos (Annapolis Junction, MD)
- **Description** **Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & ... in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting and optimizing… more
- Northrop Grumman (Tampa, FL)
- …best work of your career. We are looking for you to join our team as a Principal Cyber Systems Administrator based out of Tampa, FL. _Please Note:_ + _Due ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
- NextEra Energy (Palm Beach Gardens, FL)
- ** Principal IT Systems Administrator ** **Date:** Jul 29, 2025 **Location(s):** Palm Beach Gardens, FL, US, 33410 **Company:** NextEra Energy **Requisition ... **Technical Proficiency:** . Linux/Unix Administration . Expertise in Unix/Linux operating systems , particularly IBM AIX and Linux. . Proficiency in scripting… more
- Northrop Grumman (Aurora, CO)
- …of our mission. Northrop Grumman Space Systems (NGSP) seeks to fill a ** Principal or Sr. Principal ** **System Administrator ** in the Payload and Ground ... Qualifications** + VSAN design and implementation experience + Perform as consulting Systems Administrator and subject matter expert for classified government… more
- Northrop Grumman (Aurora, CO)
- …your future and launch your career today. #definingpossible Northrop Grumman is seeking a Systems Administrator to join our team based in the Aurora, Colorado ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
- Northrop Grumman (Huntsville, AL)
- …will include but not be limited to the following: **Basic Qualifications for a Principal Systems Administrator :** + Bachelor's degree in a Science, ... history. Northrop Grumman Defense Systems is seeking a well-qualified Principal Linux Systems Administrator to join our dynamic Classified Solutions team… more
- RTX Corporation (Mckinney, TX)
- …+ Work independently with limited supervision. + Contribute to software and systems engineering requirements capture and analysis. + Install engineering tools to ... be used to increase value to program deliverables. + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.… more
- Northrop Grumman (Palmdale, CA)
- …Grumman Classified Solutions team is seeking a highly experienced **Senior Windows Systems Administrator ** to join its dynamic team of technical professionals. ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...to the following: + Perform as a Windows System Administrator for a classified government contract. + Able to… more