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Systems Administrator Senior AdvisorJob LocationsUS-VA-Herndon | US-MD-BowieRequisition ID2026-163929Position CategoryInformation TechnologyClearancePublic TrustResponsibilitiesShape the Future of Avi

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

OverviewGovCIO is currently hiring for a Senior Systems Administrator with an active Secret clearance to managelarge-scale Windows-based environments, commercial off-the-shelf applications, and govern

Description & RequirementsUnlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies.

Senior Systems AdministratorWeaver is a full-service national accounting, advisory and consulting firm with opportunities for professionals in many different fields. We seek to bring a human element t

Job DescriptionRole: Senior Systems Administrator Duration: 06+ months contract with extension Location: Montgomery, AL 36104 (Onsite)Position Description:Seeking an experienced Microsoft Azure cloud

Description & RequirementsShape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted pa

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

ACTIVE TS/SCI Clearance with Poly REQUIREDOverview: Red Arch Solutions is hiring aSrSystems Administratorto join our program in Fort Meade, Maryland.Requirements: Must have TS/SCI clearance w/ active

Select how often (in days) to receive an alert:JOIN OUR TALENT NETWORKSenior Systems AdministratorApply nowDate:Feb 24, 2026Location: Lexington, MA, USCompany: MIT Lincoln LaboratoryThe Tactical Auton

Senior Systems AdministratorGreyOwl is hiring a Senior Systems Administrator to serve as the technical escalation point for complex issues across our managed clients. You'll troubleshoot and resolve h

Position Summary Description Administers, monitors, and maintains computing systems, hardware, and software that supports enterprise and utility-specific infrastructure and applications across the cor

Are you looking for your next challenge? Are you ready to work with a performance-based small company? At Zantech, we are a dynamic Woman Owned Small Business focused on providing complex, mission-foc

Thornburg is a global investment firm delivering on strategy for institutions, financial professionals and investors worldwide. The privately held firm, founded in 1982, is an active, high-conviction

Vencora Business Unit: VBU - CovenirJob Summary: The IT Sr. Systems Administrator is responsible for the day-to-day support and maintenance of the organization's internal network systems, workstations

Relativity Sr. Systems AdministratorWe are seeking a Relativity Sr. Systems Administrator to join our team! You will handle a variety of projects to support and improve the organization's network syst

Join the Future of Commerce with Whatnot!Whatnot is the largest live shopping platform in North America and Europe to buy, sell, and discover the things you love. We're re-defining e-commerce by blend

OverviewGovCIO is currently hiring for a Senior Network/Systems Administrator with an active Secret clearance. This position will be fully remote.ResponsibilitiesEstablishes and maintains smooth opera

OverviewGovCIO is currently hiring for a Senior Network/Systems Administrator with an active Secret clearance. This position will be fully remote.ResponsibilitiesEstablishes and maintains smooth opera

OverviewGovCIO is currently hiring for a Senior Network/Systems Administrator with an active Secret clearance. This position will be fully remote.ResponsibilitiesEstablishes and maintains smooth opera

OverviewWe are seeking a Senior Technical Systems Administrator responsible for the provisioning, configuration, operation, and maintenance of systems hardware, software, and supporting infrastructure

Systems Administrator III (Senior)GovCIO is seeking a motivated, career and customer-oriented Systems Administrator III (Senior) to join our team in Doral, FL. ResponsibilitiesResponsibilities include

The Alaka`ina Foundation Family of Companies (FOCs) is looking for aSenior Windows Systems Administrator Range Network . The position will support our government customer located inKekaha, Hawai'i .Ov

Senior Linux Systems AdministratorMantech seeks an experienced and passionate, career and customer-oriented Senior Linux Systems Administrator to join our diverse team in Hanover, MD. In this role, yo

OverviewGovCIO is currently hiring for a Senior Network/Systems Administrator with an active Secret clearance. This position will be fully remote.ResponsibilitiesEstablishes and maintains smooth opera