System Administrator Jobs

Experienced Active Directory Administrator needed to support Windows Server and AD services for a high-visibility Defense Enterprise Email program in Oklahoma City.

WGU is hiring a Solution Administrator to manage and optimize the LMS, integrations, security, and user support for its online competency-based programs.

JLL is hiring a Business Operations Analyst to manage and optimize Corrigo CMMS operations, reporting, and training for Texas accounts, with a focus on data quality and client support.

Remote ServiceNow Software Engineer needed to develop and maintain ServiceNow applications and integrations supporting mission-critical healthcare technology systems.

Support a high-impact mission to prevent wildfires by managing corporate IT systems, networks, and user support at Seneca.

HPD Tech is hiring a Cloud Administrator to manage Azure infrastructure, Redis databases, and server environments that support DSAS and other agency systems.

SimVentions is hiring a hands-on Journeyman Linux System Administrator to build, maintain, and secure NAVAIR servers at Pax River in support of DoD cyber requirements.

Experienced systems administrator to lead architecture, operations and project delivery for core datacenter and collaboration technologies at a major academic health system.

Peraton is hiring a Herndon-based Systems Engineer/Systems Administrator to deploy and maintain Windows server/client environments, onboard microservices, manage virtualization, and support mission-critical systems for government customers.

Support mission-critical DoD systems at Fort Huachuca as an Associate Windows System Administrator providing Windows server administration, Tier 1/2 support, and security-compliant operations.

Northrop Grumman is hiring a Deployable Principal Network Communications Engineer (Top Secret) to manage Windows Server platforms, endpoint management, and deployed networked systems for classified programs.

Experienced Windows System Administrator wanted to manage Azure Entra ID, Microsoft 365, and SharePoint while improving reliability and user experience at a fast-growing visual data SaaS company.

Contribute to NYC housing services as a Cloud Administrator supporting Azure, Redis, Windows Server and AVD environments for HPD Tech to ensure reliable, secure, high-performance systems.

KPFF San Diego is hiring a System Administrator to manage Windows Server and Microsoft 365 environments, harden systems, automate tasks with PowerShell, and provide hands-on end-user support.

Experienced AIX/UNIX systems administrator needed to manage, tune, and support mission-critical UNIX/Linux servers for a federal CBP program, providing tier 2/3 support and participating in on-call rotations.

Experienced IT Systems Engineer needed to manage VGS’s collaboration tools, identity and access management (Okta), networking, and automation across a remote-first hybrid environment.

Renuity is hiring an experienced System Administrator in Charlotte to manage endpoints, network infrastructure, cybersecurity, and AV systems across a multi-location organization.

Riverside Research seeks a DevOps Engineer/Linux Administrator to manage and secure Linux-based CI/CD infrastructure and support software deployments for DoD and IC networks at its Fairborn, OH facility.

ActivTrak is hiring a hands-on IT Administrator to manage on‑premise infrastructure and security tooling while providing technical support for a hybrid, remote-first team in Austin, TX.

Significance is hiring a Senior Systems Administrator to lead the configuration, sustainment, and optimization of enterprise Linux and Oracle-based environments supporting mission-critical logistics systems.

Experienced Windows System Administrator needed to manage and secure on-prem Windows Server and workstation environments supporting DoD operations, with an active Secret clearance and DoD 8570 Level II certification.

Senior Linux System Administrator needed to administer RHEL-based servers and virtual environments for a DoD-focused IT operations team requiring Secret clearance.

Senior Linux System Administrator needed to maintain and automate ServiceNow's large-scale private cloud infrastructure supporting both US Federal and commercial customers.

Experienced system administrator needed to manage GCP, Okta, Zendesk, JAMF, and Google Workspace while driving automation and security at a rapidly scaling cyber risk company.

Link Solutions seeks a cleared Windows System Administrator to maintain, secure, and optimize Windows servers and virtualization supporting the Air National Guard’s UAV Operations Center in Springfield, OH.

Link Solutions is hiring a Senior Windows System Administrator to manage, secure, and maintain Windows server and workstation environments on-site at White Sands Missile Range in support of DoD missions.

Resultant seeks a detail-oriented Systems Administrator in Carmel, IN to manage servers, networks, remote access, and client-facing operational tasks while participating in on-call support.

Peraton is hiring a seasoned Linux System Administrator in Linthicum to manage RHEL/Ubuntu systems, automate configuration with Ansible, and support secure, mission-focused environments under an active Secret clearance.

ServiceNow seeks an experienced ITSM Solution Architect to design and pilot AI‑first implementation experiences that compress time‑to‑first‑meaningful‑use and accelerate platform adoption across enterprise customers.

Lead strategic customers as a Senior Product Success Manager to accelerate adoption of ServiceNow ITSM innovations, drive time-to-value, and ensure renewal success.

Boeing Space Systems seeks an Associate–Mid-Level System and Network Administrator Engineer to secure, deploy, and maintain Special Test Equipment and networked systems in El Segundo factory and launch environments.

The Fire Department seeks a technical Business Process Analyst II to manage and optimize departmental applications, develop automation, and provide advanced support and training for end users.

Vanderbilt Health is hiring a GME Program Administrator to manage and support the new Internal Medicine Ambulatory residency in Lebanon, overseeing recruitment, onboarding, compliance, program operations, and related administrative functions.

An experienced SAP Basis Consultant is needed to administer and stabilize SAP ECC environments, manage CTS and batch processes, and collaborate with stakeholders for a WOONGJIN client in West Point, GA.

ServiceNow is seeking a Senior Manager to lead and scale the CRM & Industry Expert Services team, ensuring top-quality CRM implementations and industry workflow adoption across customers.

Experienced Windows System Administrator needed for an evening/night shift role supporting on-prem Active Directory and Windows Server environments for a cleared government contract.

CACI is hiring an on-site Systems and Database Administrator to provide Oracle DBA and Windows systems support for FOIA case management near College Park, MD, requiring TS/SCI clearance and strong troubleshooting skills.

Experienced Linux System Administrator needed to manage and secure RHEL 8/9 servers and virtualized environments in a cleared DoD-aligned environment.

Experienced system administrator needed to manage and secure Windows-based closed networks and support network, encryption, and peripheral devices for NAVSEA-related systems.

Experienced Active Directory Administrator needed to maintain Windows Server environments, AD services, and related infrastructure for a major defense enterprise email program.

Brookhaven National Laboratory is hiring a Staff Supervisor (GUV Administrator) to lead guest services and access operations, manage a team of six, and ensure compliance with FNA, USCIS and DOE-related requirements in Upton, NY.

Be part of Dandy’s IT team as a Systems Administrator I supporting on-site infrastructure, endpoint management, and day-to-day technical operations for our Provo office.

Support and harden Hadrian’s factory IT infrastructure in Torrance by administering servers, networks, virtualization, and endpoints to enable secure, high-availability manufacturing operations.

Wyetech is hiring a System Administrator II (active TS/SCI with poly required) to manage and support UNIX/Linux and Windows systems, perform Tier 1/2 escalation, and enforce security and operational best practices for federal IT environments in Hanover, MD.

An MSP is seeking a hands-on System & Network Administrator (Level-I) to provide L1/L2 support, administer networks and servers, and maintain security and availability across multi-client environments.

Serve as the in-office technical liaison for Hexagon US Federal in Huntsville, bridging remote application SMEs and on-site infrastructure to resolve complex support issues.