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Fairfax, Virginia

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Today

Job Description Everforth ECS is seeking a System Administrator - Senior to work in Fairfax, Virginia. Please Note: This position is contingent upon contract award. Responsibilities Administer and maintain enterprise systems to ensure operational availability and stability. Implement and manage system configurations and updates to maintain compliance and security. Monitor system performance metrics and health indicators to proactively address potential issues. Lead incident response and resoluti

Full-time

Microsoft System Administrator- Senior / Junior(Top Secret with agreement to obtain CI Poly)

Fort Belvoir, Virginia

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Today

This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. Microsoft System Administrator (Senior / Junior) Position / LCAT: Microsoft System Administrator Level: Senior and Junior Lead Designation: N/A Location: Fort Belvoir, VA Role Summary Supports the identification and resolution of automation and information technology hardware and software issues to maintain at least a 99% system availability rate. Senior

Full-time

IT System Administrator - Senior/Specialist

Remote or Shoreline, Washington

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Today

Salary : $97,398.00 - $130,989.00 Annually Location : King County - Shoreline, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 26DOT-HQ-05569e Department: Dept. of Transportation Division: Headquarters Opening Date: 05/13/2026 Closing Date: 5/20/2026 11:59 PM Pacific Description About WSDOT The Washington State Department of Transportation (WSDOT) is a multimodal agency with a global reputation for excellence. Our dedicated workforce plans, designs, builds, and

Full-time

USD 97,398.00 - 130,989.00 per year

Microsoft System Administrator - Senior (TS/SCI Required)

Fort Belvoir, Virginia

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Today

Location: Ft. Belvoir, VA Clearance Required: TS/SCI minimum () Employment Type: Full-Time About Praescient Analytics: Praescient Analytics is a leader in delivering advanced analytic, data engineering, and technology integration solutions in support of the Department of Defense (DoD), Intelligence Community, and federal law enforcement. Our mission is to empower analysts and decision-makers through data-driven insights, enabling faster and more effective mission outcomes. Position Overview: P

Full-time

Senior System Administrator - TS/SCI with Polygraph

Reston, Virginia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Computer Servers, Linux, Local Area Network (LAN), Wide Area Network (WAN) Certifications: CompTIA - Security+ - CompTIA - CompTIA Experience: 7 + years of related experience ship Required: Yes Job Description: Senior Systems Administ

Full-time

USD 136,000.00 - 184,000.00 per year

Senior System Administrator - TS/SCI w/Polygraph

Reston, Virginia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Backup and Recovery, Computer Servers, Information Technology (IT) Systems, Linux, Wide Area Network (WAN) Certifications: None Experience: 9 + years of related experience ship Required: Yes Job Description: Senior Systems Administrat

Full-time

USD 142,792.00 - 184,000.00 per year

Senior System Administrator

Alexandria, Virginia

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Today

Modern Technology Solutions, Inc. (MTSI) is seeking a highly-skilled Senior Systems Administrator to join our team. This individual will be responsible for developing, maintaining, and securing enterprise systems, applications, and infrastructure. The role will lead efforts in installing software, deploying system upgrades, resolving server and desktop-related issues, and supporting complex Tier 2/3 problems. The administrator will also develop innovative IT solutions, evaluate emerging technolo

Full-time

Senior System Administrator

Suitland-Silver Hill, Maryland

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Today

Overview SilverEdge is a premier provider of innovative cyber, software and intelligence solutions addressing everyday challenges to meet mission goals across the DOD and Intel Communities and beyond. We are seeking a System Administrator to perform a crucial role on a prime contract. Your daily duties will include, but not limited too: Maintain and develop system documentation to include product guides/manuals, SOPs, work logs and the Helpdesk ticket systemProvide system administration support

Full-time

Lead System Administrator SME

Washington, District of Columbia

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Today

Modern Technology Solutions, Inc. (MTSI) is seeking a Lead System Administrator SME to provide critical support to a high-profile Air Force program operating out of Joint Base Anacostia-Bolling Air Force Base (JBAB). In this role, you will serve as the Program Office's IT professional, responsible for maintaining and monitoring both internal and external networks. This includes designing, implementing, and managing systems, applications, security, and network configurations. The ideal candidate

Full-time

Senior System Administrator

Remote

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27d ago

Role SummaryThe Systems Administrator will be responsible for administration and operational support of primarily Microsoft Azure-hosted Windows and Linux server environments used globally by our client. This role focuses on reliable day-to-day operations (provisioning, patching, monitoring, backup/restore, security remediation, and incident response) and will also contribute to smaller initiatives and lifecycle improvements in partnership with other infrastructure and security teams. Key Respon

Easy Apply

Contract

$50 - $60

Senior System Administrator (ServiceNow Platform)

Remote

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Yesterday

ServiceNow Admin Job ID#: 26-1102 Clearance: Top Secret Location: Remote Who We Are: Since our inception back in 2006, Navitas has grown to be an industry leader in the digital transformation space, and weve served as trusted advisors supporting our client base within the commercial, federal, and state and local markets. What We Do: At our very core, were a group of problem solvers providing our award-winning technology solutions to drive digital acceleration for our customers! With proven solu

Easy Apply

Full-time

Depends on Experience

Lead System Engineers/Administrator (Only W2)

Remote

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2d ago

Role: System Engineers/Administration Location: 100% Remote Duration: 7+ Months Contract System Engineers - Administration of Servers, Windows, Linkx, TomCat, Java Aerospace & Defense sector experience would be a great advantage Required Qualifications: Experience in Windows Server administration Experience in Linux server administrationExperience administering Apache TomcatExperience supporting Java-based applications in enterprise environments Strong troubleshooting skills across OS, middlewa

Easy Apply

Contract

Depends on Experience

Senior Linux System Administrator Vice President

Remote or Irving, Texas

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Today

Job Overview: We are seeking an accomplished and technically astute Level 3 Linux System Administrator to join our high-performance infrastructure team. This individual will serve as a subject matter expert (SME) on Linux systems, providing deep operational insight, advanced troubleshooting, performance tuning and capacity planning. Demonstrate a strong balance on hands-on expertise, automation mindset, and a strategic approach to system scalability, security, and lifecycle management. Respons

Full-time

USD 125,760.00 - 188,640.00 per year

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