Systems Administrator Jobs

WGU seeks a Systems Engineer to manage Salesforce and collaboration platforms (O365, Google Workspace) while supporting migrations and mentoring junior engineers.

Shield AI is hiring a cleared Staff Information Systems Administrator to manage, secure, and support classified systems and networks for mission-critical operations in the Washington DC Metro Area.

PAM Transport is hiring a Systems Administrator Manager in Tontitown to lead infrastructure and workplace services teams and ensure dependable, secure IT operations and exceptional end-user support.

Crusoe Energy seeks a Senior Enterprise Technology Administrator to own and optimize the Acumatica ERP platform for manufacturing, supply chain, and finance operations at its Tulsa office.

TMEIC is hiring an IT Infrastructure Systems Administrator to manage networks, servers, and Microsoft 365 automation while driving secure, reliable infrastructure solutions.

North 40 Outfitters is hiring a full-time IT Systems Administrator in Spokane Valley to manage and support the company’s network, server, virtualization, backup and VOIP infrastructure for regional retail operations.

Aprio is hiring a Senior Financial Systems Administrator to own and optimize Workday Adaptive Planning, enabling better budgeting, forecasting, and integrations across finance and HR.

Credence is hiring a remote Contracts Administrator to lead contract closeout activities and operate Contract Writing Systems for Space Systems Command/PK on a time-limited contract through May 2026.

Peraton is hiring a hands-on Systems Administrator to manage OpenShift/Kubernetes environments, administer PKI-secured Linux systems, and serve as a privileged user in the Herndon SCIF.

Experienced Systems Administrator wanted to administer and architect enterprise IT systems, drive security best practices, and support client-focused infrastructure projects for a growing MSP.

Uline is hiring a Systems Administrator Intern for Summer 2026 to gain practical Microsoft 365 and Power Platform experience at its Pleasant Prairie headquarters.

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.

Lead and manage enterprise systems administration and storage operations for Army JRSS networks at White Sands Missile Range, ensuring secure, automated, and highly available infrastructure.

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.

iRocket seeks an experienced IT Specialist/Systems Administrator to ensure reliable, secure, and scalable IT operations across our engineering and operations teams.

Deutsche Bank seeks an experienced Unix/Linux systems engineer to support and optimize Global Unix infrastructure for mission-critical trading and enterprise applications in Jacksonville, FL.

Peraton is hiring a Systems Administrator to configure, optimize, and maintain architecture modeling servers and supporting services for a secure, distributed modeling team.

Experienced systems administrator with active TS/SCI clearance needed to build, secure, and operate classified Windows/Linux server and workstation environments for mission-critical defense programs.

Harvey is seeking a detail-oriented GTM Systems Administrator to own Salesforce and GTM integrations, ensuring scalable, reliable systems that power Sales and Marketing operations.

An experienced Senior Systems Administrator is needed to manage Microsoft 365, Intune, Entra ID, network and physical security systems, and to automate IT operations for a rapidly growing identity-security company.

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.

Lead technical architecture and delivery of enterprise ServiceNow solutions for a DoD customer, driving secure, scalable IT Storefront implementations.

Peraton seeks a hands-on Systems Engineer/Administrator in Herndon to deploy and maintain Windows servers and virtualized infrastructure in support of national security missions.

Experienced Network Engineer/Systems Administrator needed to manage Cisco/Meraki networks and Windows server infrastructure, improve reliability, and support security and operations in an onsite team environment.

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.

Senior Veritas eDiscovery Platform engineer needed to administer, maintain, and evolve a government-hosted eDP environment while holding an active Top Secret clearance.

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

Experienced Linux systems administrator wanted to drive and maintain DreamWorks' large-scale RHEL infrastructure, automation, and cloud/virtualization integrations within a collaborative engineering organization.

GDIT is hiring a cleared Systems Administrator to deliver 1st-shift Tier 1 support and maintain Windows/virtualized systems and FMV capabilities at a McLean, VA customer site.

Peraton is hiring an SAP Basis Systems Analyst to manage SAP environment setup, migrations to S/4HANA, performance tuning, and cloud-related technical support for the CDC modernization program.

bet365 is hiring a Development Database Administrator to develop and optimize low-latency, high-throughput database solutions across MSSQL and cloud-managed platforms for its Sports Trading Platform.

ICF is hiring a Senior Systems Administrator with an active Top Secret clearance to architect, operate, and secure cloud and on-prem infrastructure and CI/CD pipelines for a DoD-focused program.

VTekis Consulting is hiring a Workload Automation Scheduler to build and maintain automated job workflows using industry scheduling tools and collaborate with application and operations teams to ensure reliable, efficient runtimes.

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.

As an IT Systems Administrator/Engineer at Ascend's Alachua site, you will administer networks and virtualization platforms, manage Azure/Office365 services, and lead security and validation activities to ensure reliable, compliant IT operations.

Experienced Unix/Linux Systems Administrator needed to manage and secure server environments, automate operations, and support infrastructure reliability across the organization.

Support a major GSA digital transformation effort as a Systems Administrator III responsible for SD‑WAN, routing, vulnerability remediation, and large-scale network provisioning across hundreds of sites.

Lead the design, deployment, and operation of critical server, storage, and virtualization infrastructure supporting AFRL research programs as a Senior Systems Administrator.

Experienced Systems Administrator needed to manage on-site datacenter operations, VMware virtualization, Windows server patching, and provide Tier 2 support at Amentum's Weldon Spring facility.

Provide system administration and security-focused sustainment for Navy AT/FP and C4I systems while supporting multiple regional installations from Sasebo, Japan.

Experienced VDI Systems Administrator needed to manage and secure virtual infrastructure and desktop delivery for a TS/SCI-cleared mission in Savannah, GA.

Applied Research Laboratories (UT Austin) is hiring a Senior Windows Systems Administrator to lead backup, SAN/NAS storage, and Windows server operations supporting classified and research initiatives.

Peraton is hiring an Operations and Maintenance Systems Administrator to manage and secure large-scale on-prem and AWS clusters supporting classified and unclassified national security applications.

Support a rapidly expanding space-tech company as an IT Systems Administrator focused on automating onboarding, securing endpoints, and improving IT support workflows.

Expression is hiring an onsite Systems Administrator (Deskside Support Specialist) to provide Tier II/III help desk support for the Department of Commerce in a classified, mission-critical federal environment.

Systems Administrator needed to administer and support SharePoint and Power Platform environments for a Florida government agency in a full-time, onsite contract role in Tallahassee.

Allied Universal is seeking a Security Systems Administrator/Badging Officer to administer access control, video and visitor systems, run audits, issue badges, and support security operations and vendor management.

Experienced Systems Administrator needed to manage and secure Linux/Windows servers, virtualization, storage, and networking for AFRL support at Wright-Patterson AFB.

As a Senior Systems Administrator at FreedomPay, you will lead Intune and Azure administration and maintain core infrastructure to support a global commerce platform in a hybrid, high-growth environment.

Peraton is hiring a Systems Administrator to manage enterprise PKI/HID infrastructures, perform system security administration, and lead software upgrade projects in support of CAC management systems.