Sr System Administrator Jobs in USA

Windows Systems AdministratorCharleston SC Secret Clearance with upgrade to Top Secret As a Windows System Administrator you will play an integral role on the NIWC Atlantic Cybersecurity Service Provider (CSSP) Infrastructure and Platform Sustainment (CIPS) team supporting local and remote user desk...

Unisity LLC is a Service-Disabled Veteran Owned Small Business providing expert services in the Information Technology fields. We pride ourselves on delivering what is promised as some would say we just do. We are highly-qualified self-driven professionals who work towards a common goal as a team le...

About the OrganizationNow is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. Were looking for thoughtful skilled professionals who thrive as trusted partners...

About the OrganizationNow is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. Were looking for thoughtful skilled professionals who thrive as trusted partners...

SummaryKing County Metro Transit is hiring a System Administrator (Project Program Manager II)to join Central Services within the Capital Division of Metro Transit Department. As a System Administrator you will be responsible for providing application support to users of Metros Capital Management Re...

System Administrator - LinuxLeidos has a new and exciting opportunity for a System Administrator - Linux in our National Security Sectors (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering Computer Network Operations (CNO) Mission Software Ana...

1 YEAR ROLE. 100% REMOTE. MUST BE ABLE TO WORK EVENINGS AND WEEKENDS AS NEEDED.Mandatory RequirementsMust have minimum five (5) years experience with server infrastructure in an Enterprise level environment.Must have minimum five (5) years experience with IBM AIX in an Enterprise level environment.M...

About the OrganizationNow is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. Were looking for thoughtful skilled professionals who thrive as trusted partners...

Job Description This position will be located in Phoenix AZ (Deer Valley) within the Control Systems Center of Excellence (CS CoE). The CS CoE develops state-of-the-art avionics for air transport regional and business aircraft. The desired candidate will contribute to a team of systems engineers r...

Roles/Responsibilities: 1. AIX/IBM System Administration Perform day-to-day administration maintenance upgrades and troubleshooting of AIX systems VIOS HMCs and Managed Systems. Provision and manage AIX virtual server builds using PowerVM technology. Perform administration of AIX LPARs configured a...

Date Posted:Country:United States of AmericaLocation:MD231: 306 Sentinel Drive Suite100 AJ 306 Sentinel Drive Suite 100 Annapolis Junction MD 20701 USAPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearan...

Date Posted:Country:United States of AmericaLocation:MD231: 306 Sentinel Drive Suite100 AJ 306 Sentinel Drive Suite 100 Annapolis Junction MD 20701 USAPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearan...

Job ID: 5447Date Posted: November 18 2025The Space Dynamics Laboratory (SDL) is seeking an experienced Windows System Administrator to design implement secure and maintain systems and associated applications services and components. This is a full-time benefit eligible on-site position in our North...

Job SummaryThe Lead System Administrator will address software performance related support issues and provide first and second level service desk support. This role will also implement and maintain cloud-based software service addition this senior level role will provide fourth level service desk s...

Date Posted:Country:United States of AmericaLocation:MA311: Woburn MA 225 Presidential 225 Presidential Way Goddard Building 27 Woburn MA 01801 USAPosition Role Type:RemoteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance i...

Date Posted:Country:United States of AmericaLocation:TX232: Richardson 1727 CityLine 1727 East CityLine Drive Building C27 Richardson TX 75082 USAPosition Role Type:OnsiteU.S. Citizen U.S. Person or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is...

Role: Tech System Administrator Application Deployer Location: Nashville TN (Onsite from Day 1) Job Type: W2 Contract Experience Level: Senior (or) Lead Must Have Skills (Mandatory): CI/CD Deployment Strategies Microsoft Application Virtualization SQL Troubleshooting Nice to have S...

The pay range is $71000.00 - $128000.00Pay is based on several factors which vary based on include labor markets and in some instancesmay include education work experience and addition to your pay Target cares about and invests in you as a team member so that you can take care of yourself and your...

Overview/ Job ResponsibilitiesSev1Tech is seeking a System Administrator SME to support the US Space Force Space Operations Command (SpOC) Space Delta 8. Space Delta 8 is the SATCOM war-fighting lead for the US Space Force and leads the operation maintenance and modernization of the Wideband Global...

OverviewAt Houston Methodist the Senior (Sr.) Contract Administrator position is responsible for managing the contract category or negotiating strategy and monitors contract compliance through the life of the contract. This position is responsible for managing end-to-end strategic sourcing including...