- GovCIO (Santa Fe, NM)
- **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows) to provide on-going support for the administration of the core ... $105,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6238/ senior - systems - administrator --%28linux-windows%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID**… more
- Integration Innovation, Inc. (i3) (Huntsville, AL)
- …and implement a Missile Defense System with multiple layers of protection. The Senior Linux Administrator performs administration of cloud and on-site ... Overview i3 is searching for a Senior Linux Administrator to...improve the reliability and performance of the applications and systems . + Perform Linux system … more
- Amentum (Linthicum, MD)
- …the Cyber, Security, & Intel space? If so, look no further. We are seeking an ** Senior Linux Administrator ** to join our team of passionate individuals on ... troubleshooting and user assistance. + Maintains user accounts, access control, and system / security configuration. + Maintains operating systems and… more
- First Division Consulting (Dahlgren, VA)
- …is contingent on contract award** Position Overview: First Division Consulting is seeking a Senior Unix/ Linux Systems Administrator to support a ... Required Qualifications: + Six (6) years of professional experience in Unix/ Linux system administration for networks and software systems . + Experience in: +… more
- General Dynamics Information Technology (Livermore, CA)
- …$10K Sign-on bonus A Senior Linux System Administrator Maintains an organization's computer systems ' workflows and is responsible for the ... hardware upgrades. + Core Systems : Domain Controllers, Linux servers, DNS, VMware, HPE Blade System , Storage switches + Supplemental Systems / Software:… more
- RTX Corporation (Tucson, AZ)
- …US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Secret ** Senior Linux System Administrator Tucson, AZ. Must ... the integrity of our systems and support IT infrastructures around the world. ** Senior System Administrator ** , internally known as Senior Analyst,… more
- Amentum (Dahlgren, VA)
- Amentum is currently seeking a Senior Linux System Administrator to provide software testing for our award winning team. ** Senior Linux System ... to upgrade requirements for the lab, to test weapon system maintenance software updates. + Working with a small...2; 7 or more years of equivalent experience administering Linux /Window systems . + Candidates must maintain a… more
- Leidos (Aurora, CO)
- **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where...Ten or more (10) years of experience as a System Administrator (SA) supporting programs and contracts… more
- Leidos (Orlando, FL)
- **Description** Are you an experienced ** Senior Linux System Administrator ** looking for your next challenge? Your search ends here! We have an exciting ... Linux +, (RHCE) Red Hat Certified Engineer, (RHCSA) Red Hat Certified System Administrator ). **Original Posting:** July 3, 2025 For US Positions: While… more
- Black Bear Technology Solutions, LLC (Adelphi, MD)
- Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior ... System Administrator is responsible for leading system administration activities. This position oversees the installation, configuration, maintenance, and… more