Unix Systems Administrator Jobs in USA

DescriptionProviding critical engineering support for the design integration and sustainment of global Naval C4I (Command Control Communications Computers and Intelligence) networksManaging complex virtualized environments and ensure the seamless delivery of mission-critical data via Virtual Desktop...

Requisition Number:27649Required Travel: 0 - 10%Employment Type:Full Time/Salaried/ExemptAnticipated Salary Range:$92176.00-$125000.00Security Clearance:SecretLevel of Experience:MidThis opportunity resides with Warfare Systems (WS) a business group within HIIs Mission Technologies division. Warfare...

Date Posted:Country:United States of AmericaLocation:US-TX-RICHARDSON-C37 1737 Cityline Dr CITYLINE C37Position Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citi...

ABOUT THE JOBWHAT YOULL DOWe are seeking an AV Systems Administrator to maintain and support Andurils AV infrastructure ensuring all conferencing systems are operational and users are well-trained. The position is based at our Washington DC location but may involve travel to other sites.Oversee AV i...

DescriptionMinimum requirement: must have held a Systems Engineer or Senior Systems Administrator role for a minimum of five (5) years.NPI is seeking a highly capable Senior Systems Administrator to support and continuously improve the companys on-prem and cloud-based infrastructure. This role is re...

GROW WITH US AND STAY EXTRAORDINARY:Launch your career to new heights with Innoflightone of San Diegos fastest-growing Aerospace and Defense innovators. Here visionary minds engineer the future of space technology through pioneering compact and cyber-secure solutions. From software-defined radios to...

Leidos is seeking a senior SharePoint System Administrator to support a large enterprise IT contract for the DOD. The SharePoint System Administrator will support infrastructure services operations and maintenance across multiple enclaves of different classifications with remote administration for s...

ResponsibilitiesPeraton is seeking a senior Linux Systems Administrator to join our team in the Annapolis Junction MD area. Our dynamic team delivers information security solutions that facilitate secure data flows and the detection/prevention of unauthorized behaviors performs system security vulne...

ITC is a Woman Owned Small Business delivering exceptional consultation to the U.S. Government in Systems/Software Engineering Cybersecurity Solutions Mission Operations/INTEL Analysis and Management Services in order to enable our customers to solve the most challenging problems. With continued gro...

Job ID: 5425BDate Posted: April 8 2026Space Dynamics Laboratory (SDL) is seeking an Information Systems Administrator with strong hands-on experience supporting Kubernetes environments with a primary focus on Azure Kubernetes Service (AKS). This role is centered on administering securing scaling and...

ITC is a Woman Owned Small Business delivering exceptional consultation to the U.S. Government in Systems/Software Engineering Cybersecurity Solutions Mission Operations/INTEL Analysis and Management Services in order to enable our customers to solve the most challenging problems. With continued gro...

Leidos is seeking a Linux Administrator to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization design development and implementation of new Linux...

Location:Remote onshore in the USASalary:$125k to $185k per year depending on experience and skillsHow to Apply:Please only apply to one open position. If you arent a fit for it well consider you for other positions automatically.Please submit your resume and a cover letter (in .pdf) that a) highlig...

Full-timeDescriptionTPI is seeking a Systems Administrator to join our team. This is a full-time hybrid position based in Des Moines IA requiring a minimum of three days per week in the office. Position Summary: The Systems Administrator is responsible for the operation and maintenance of server har...

Junior Systems Administrator/System EngineerLeidos has a new and exciting opportunity for a Junior Systems Administrator/System Engineer in our Intel Sectors Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering Computer Network Operations (CNO) Missio...

Leidos is looking to fill a Linux Server Systems Administrator position to support the National Digital Exploitation & OSINT Center (NDOC). This role requires an individual that has technical experience with administering Linux servers within a within a physical and virtual environment. This role is...

Founded over 35 years ago First Quality is a family-owned company that has grown from a small business in McElhattan Pennsylvania into a group of companies employing over 5000 team memberswhile maintaining ourfamilyvalues and entrepreneurialspirit. With corporate offices in New York and Pennsylvania...

ABOUT THE TEAMABOUT THE JOBAnduril is seeking a Systems Administrator to directly support our most sensitive programs. You will be a part of the team administering operating system infrastructure implement automated configurations and support environment deployments across all classification levels...

ResponsibilitiesPeraton is hiring a PMO Systems Administrator (SA) to join our Cyber Mission business unit in Annapolis Junction MD. As a Systems Administrator on our team you will support the Program Management Office of one of the largest enterprise-wide engineering contracts within the Intelligen...

At Accenture Federal Services nothing matters more than helping the US federal government make the nation stronger and safer and life better for 13000 people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense national security pub...