Showing page 27 of 2975 (Total listings: 59496)

System Administrator with Security Clearance

Redhorse Corporation ✓ Verified
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South Riding, Loudoun County
May 29, 2026

About the Organization Now 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. We’re looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse transforms the way government uses da…

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Chantilly, Fairfax County
May 25, 2026

Overview VTG is seeking a skilled Systems Administrator to manage, maintain, and support enterprise IT infrastructure. This role is responsible for ensuring the reliability, security, and performance of servers, networks, and systems while supporting day-to-day operations and long-term IT initiatives. What will you do? * Install, configure, and maintain servers, operating systems, and enterprise applications * Monitor system performance, availability, and security across environments * Manage u…

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West Springfield, Fairfax County
Aug 29, 2026

Job Title: System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: The Systems Administrator (SA) will work as part of an elite and agile team responsible for maintaining and improving system functionality through proactive interaction with the customer, comprehensive understanding of their primary GEOINT exploitation sys…

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Chevy Chase, Montgomery County
Sep 24, 2026

Responsibilities We are seeking a highly skilled and experienced Mid-Level Linux-Focused System Administrator to join our dynamic team at the Navel Research Lab (NRL) supporting mission-critical systems and lab infrastructures. This role demands a seasoned professional with deep technical expertise, a proactive mindset to oversee suites of hardware and software infrastructure components within high performance lab environments in addition to supporting the development and implementation of cust…

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Washington, D.C., US
May 25, 2026

Responsibilities & Qualifications RESPONSIBILITIES * Perform day-to-day systems administration and operational support for assigned infrastructure platforms and services. * Review, update, and fulfill ServiceNow tickets, including service requests, incidents, and change-related work, in accordance with customer requirements and service expectations. * Support Unix/Linux Server Support Services, including account administration, configuration changes, provisioning/decommissioning, system health …

System Administrator with Security Clearance

Envisioneering Inc. ✓ Verified
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Capitol Heights, Prince George's County
Oct 7, 2026

The System Administrator will perform routine and complex system administration, network administration, security administration, and technical support tasks in addition to related database administration tasks for the U.S. Naval Research Laboratory (NRL). System Administration: * Install, update, and troubleshoot systems/servers. * Conduct functional and connectivity testing to ensure continuing operability. * Develop and document systems administration standard operating procedures. * Comply …

Systems Administrator with Security Clearance

Diné Development Corporation ✓ Verified
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Washington, D.C., US
Sep 17, 2026

The Systems Administrator is responsible for providing support for physical and virtualized servers, network systems, telecommunications, and unique courthouse applications. This position supports and coordinates with vendors for telephones, wireless devices, internet services, and hardware lifecycle management. The role is responsible for maintaining network operations, accreditation requirements, system upgrades, troubleshooting communications infrastructure, and supporting mission-critical c…

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West Springfield, Fairfax County
May 25, 2026

Requires an active TS/SCI Security Clearance with the ability to obtain a CI Poly What Impact You'll Have: We are seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor experience to join our team in support of a Federal Intelligence Agency contract. In addition to receiving a competitive salary and generous health and personal benefits, the IT Engineer will enhance their skill set among a talented and technically accomplished group of colleagues. Primary responsibilitie…

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Harmans, Anne Arundel County
Sep 28, 2026

We train like we fight! If you want to be part of a dynamic Team developing engaging and hands-on training solutions, this is the place for you! We are currently seeking a Windows Systems Administrator in Hanover, MD. The applicant will be part of an Infrastructure Team supporting enabling the delivery of a dynamic course curriculum. The Windows Systems Administrator will be involved in the design, ongoing maturation and sustainment of an environment utilizing Windows Servers and Desktops. The …

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Chantilly, Fairfax County
Jul 24, 2026

At NS2 Mission, reliable infrastructure is the foundation of mission success. Our team is looking for a Systems Administrator to join us in Chantilly, VA, where you'll be responsible for managing, maintaining, and optimizing enterprise server environments that support Intelligence Community customers. In this role, you'll collaborate with engineers, technical leads, and mission partners to deploy new systems, maintain secure and reliable server infrastructure, troubleshoot complex technical iss…

Systems Administrator with Security Clearance

Bailey Information Technology, LLC ✓ Verified
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Washington, D.C., US
Sep 2, 2026

Systems Administrator Contingent Position - Anticipated Contract Award LocationOnsite, EEOC Headquarters, Washington, DCLabor CategorySystems Administration / Tier 3 Escalated SupportKey PersonnelYesStaffing BasisFull-time (1 position) CLEARANCE / SUITABILITY REQUIREMENT: Public Trust - security clearance is required for this position. Position Summary Provides escalated (Tier 3) end-user and business-functional support for incidents beyond Tier 1/2 desktop support, along with core systems admi…

System Administrator with Security Clearance

Softek Global Services LLC dba Strategic Growth Partners ✓ Verified
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Huntsville, Madison County
May 25, 2026

Strategic Growth Partners provides both operations & strategic support to tribal 8(a) & commercial organizations. Our client we are supporting is a family of companies are comprised of multiple SBA Certified Native American Tribal 8(a) and multi-certified organizations focused on delivering Information Technology, Management Consulting, and General Construction solutions to the Federal Government along with the Commercial Sector. They are actively seeking a System Administrator based in Huntsvi…

Systems Administrator with Security Clearance

American Systems Corporation ✓ Verified
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Crystal, Arlington County
Aug 26, 2026

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. JOB SUMMARY: American Systems is seeking a Systems Administrator with strong experience in network infrastructure, switching, and VMware virtualization to support, maintain, secure, and optimize enterprise IT systems. This role is responsi…

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West Springfield, Fairfax County
Oct 7, 2026

Job Title: Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: Responsible for the administration, operation, troubleshooting, and security of IT infrastructure supporting containerized applications. This includes container runtimes, orchestration platforms, cluster networking, persistent storage, and related security cont…

System Administrator with Security Clearance

Cornerstone Defense ✓ Verified
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Herndon, Fairfax County
Jun 20, 2026

System Administrator Herndon, VA Active TS/SCI with Polygraph Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat o…

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Fort Sam Houston, Bexar County
Oct 16, 2026

Description & Requirements The System Administrator provides subject matter proficiency for our USAF mission. This role is responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Typical duties include analysis, planning, developing procedures, developing functional architectures, and other related management and technical duties. Responsible for supporting deployments of JCC2-R on NIPRNet, SIPRNet, and JWICS environments.…

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West Springfield, Fairfax County
Sep 16, 2026

Job Title: Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: Responsible for the administration, operation, troubleshooting, and security of IT infrastructure supporting containerized applications. This includes container runtimes, orchestration platforms, cluster networking, persistent storage, and related security cont…

System Administrator with Security Clearance

Booz Allen Hamilton ✓ Verified
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Columbia, Howard County
Sep 18, 2026

Job Number: R0246268 System Administrator The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of Defense? We're looking for a System Administrator to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment that supports critical cybersecurity mission customers. As a Linux System Administrator on our project, you'll constantly …

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Savage, Anne Arundel County
Sep 22, 2026

Worker Type Regular Job Description Summary The primary role of the System Administrator is to support CNO Capabilities by sustaining and evolving a high-performance operational IT environment. This is not a ticket-only administration role-we are looking for a technical contributor who takes complete ownership of systems, documents with precision, builds strong operational relationships, and actively optimizes workflows to make future engineering efforts faster and more efficient. Position Resp…

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Stratmoor Hills, El Paso County
Oct 19, 2026

Title: Systems Administrator At KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results. Trinzic is the future …

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