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Job ID: 708105BR Date posted: Jan. 29, 2026 Description: WHAT WE'RE DOING At Lockheed Martin Rotary and Mission Systems, we're driving innovation and upholding integrity in all that we do. Our mi

Senior Systems Administrator (Linux)Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of U.S. Navy operat

System AdministratorAMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in Information Technology, Test & Evaluati

Senior Systems AdminJHNA is currently seeking a Senior Systems Admin to join our NAVAIR team in Patuxent River, MD. As a System Administrator supporting NAVAIR, you'll collaborate with talented profes

Type of Requisition: RegularClearance Level Must Currently Possess: SecretClearance Level Must Be Able to Obtain: SecretPublic Trust/Other Required: NoneJob Family: IT Infrastructure and OperationsJob

IT Hardware SpecialistPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's

System Administrator Level 3 - VMware/Linux Infrastructure Specialist LeadWe're seeking an experienced System Administrator Level 3 with deep expertise in VMware virtualization and Linux environments

System/Network AdministratorOne team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Via

Systems Administrator IVLocationUS-MD-Patuxent RiverID2026-10880CategorySystems AdministratorPosition TypeRegular Full-TimeApplication Open Date2/4/2026Salary StatementEstimated Starting Salary Range:

Sr. System AdministratorFoxhole Technology provides robust cybersecurity and IT support capabilities for federal civilian and defense agencies. A recognized leader in navigating technology and securit

Responsibilities: Troubleshoot system outages to resolve the problem and recover services to maximum performance as quickly as possible. Assist with implementation, configuration, and maintenance of v

Description Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to supp

Description Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to supp

Description Are you interested in advancing your career in IT System Administration? Leidos-Dynetics, within our Corporate Information Security Office (CISO and reporting through our Digital Moderniza

Technical Systems Administrator IILocation: Louisville, CO. Required Clearance: Top Secret/SCI Since 1999, ITEC has been a powerhouse in supporting mission-critical programs for the DoD and Intelligen

Description Leidos is seeking an experienced, customer-facing Linux Systems Administrator to join our dynamic team supporting mission-critical infrastructure in a secure, classified environment. This

Hybrid#137555 Systems and Network AdministratorExtended Deadline: Fri 2/20/2026Apply Now UC San Diego values and welcomes people from all backgrounds. If you are interested in being part of our team,

Description:Kontron is a global leader in IoT/Embedded Computing Technology (ECT). Kontron offers individual solutions in the areas of Internet of Things (IoT) and Industry 4.0 through a combined port

DoD SkillBridge Intern - Systems Administrator I (Active Duty Service Member)LocationUS-CO-Colorado SpringsID2026-10740CategorySystems AdministratorPosition TypeSkillBridge InternApplication Open Date

Linux Systems AdministratorIn a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be

Systems Administrator in Pensacola, FL - Saufley Field Operations CenterSentar is proud to be an employee-owned company, fostering a culture of empowerment, collaboration, and innovation. Sentar is de

Join Tceqp Cybersecurity DivisionAre you an experienced Systems Security Administrator, ready for a unique opportunity to grow with an environmental state agency? Join TCEQ! We bring passion and drive

Description Leidos has an opportunity within the Digital Modernization Practice Area for a Document Management Systems Administrator to support Federal Civilian ESA V contract for the Bureau of Alcoho

Senior Cloud Systems AdministratorWe are looking for a highly skilled Senior Cloud Systems Administrator to join our program driving the Model Based Systems Engineering (MBSE) cloud platform that supp

Description The Defense group at Leidos has a career opening for a Journeyman System Administrator on a DISA contract. This role is primarily on the customer site at Ft Meade, MD. Administrator will p