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Fort Belvoir, Virginia

•

Today

Overview SMS is seeking a Sr. System Administrator at Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization, design, development and implementation of new Linux capabilities. The candidate is expected work well as a part of the DTRA Systems Administration team using ITIL best practices as well as work independently on assigne

Full-time

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

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 (ServiceNow Platform)

Remote

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7d ago

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

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

Training System Administrator - Senior

Fairfax, Virginia

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Today

Job Description Position Summary ECS is seeking a Training System Administrator - Senior to support the Army National Guard (ARNG) ENOCS program. The selected candidate will provide expert-level administration and sustainment of training servers and environments, ensuring they are secure, reliable, and aligned with production baselines. This role is critical in maintaining the operational readiness and security compliance of ARNG's training platforms, directly contributing to the effective deliv

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

Senior Workfront System Administrator - Marketing Operations

Remote

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Today

Location: 4910 Tiedeman Road, Brooklyn Ohio JOB DESCRIPTION The Marketing Operations team serves multiple functions within KeyBank's Marketing Department to support the successful execution of marketing programs across lines of business and client segments. The Senior Workfront System Administrator - Marketing Operations is an individual contributor role responsible for the administration, maintenance, and optimization of the Adobe Workfront platform, with an expanded focus on workflow automat

Full-time

USD 71,000.00 - 125,000.00 per year

Senior Microsoft Architect & System Administrator

Washington, District of Columbia

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Today

Job ID: 2611870 Location: Washington, DC, US Date Posted: 2026-04-24 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_ON_SITE Description ? The Senior Integrator will provide systems integration and systems administration support for Operations and Maintenance (O&M) and various high-level projects across the

Full-time

USD 120,001.00 - 160,000.00 per year

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

Journeyman System Administrator

Alexandria, Virginia

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Today

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced Journeyman System Administrator to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations. In this role, you will work alongside government partners,

Full-time

USD 73,450.00 - 132,775.00 per year

Windows System Administrator

Hybrid in McLean, Virginia

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Today

Job Number: R0239136 Windows System Administrator The Opportunity: As a Senior Windows Systems Administrator, you will support the reliability, security, and optimization of enterprise infrastructure within the Department of Veterans Affairs' environment. You will administer, monitor, and maintain Windows-centric enterprise systems, supporting Linux dependencies, storage platforms, backup solutions, and reporting tools that enable mission-critical applications and data services. In this role, y

Full-time

USD 77,600.00 - 176,000.00 per year

Microsoft Exchange / System Administrator

Suitland-Silver Hill, Maryland

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Today

Microsoft Exchange / System Administrator Location: Suitland, MD Clearance Required: Active TS/SCI Leidos is seeking an experienced Microsoft Exchange / System Administrator to support critical mission operations at the Office of Naval Intelligence in Suitland, MD. This role is more than just IT-it's about enabling operations that shape national security. If you're ready to work with cutting-edge systems and make a real-world difference, we want you on our team. Primary Responsibilities: Admin

Full-time

USD 92,300.00 - 166,850.00 per year

SharePoint Senior Administrator

Alexandria, Virginia

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Today

Leidos is seeking a Senior SharePoint System Administrator to support a large enterprise IT contract for the DOD. The SharePoint System Administrator will support infrastructure services, operations, and maintenance across multiple enclaves of different classifications with remote administration for server farms located in centralized data centers. The SharePoint Admin shall deploy, operate, and maintain SharePoint services, including load balancing, PKI authentication, and claims-based authenti

Full-time

USD 92,300.00 - 166,850.00 per year

Cloud Solutions Administrator (IT System Admin - Senior/Specialist)

Remote or Tumwater, Washington

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Today

Salary : $92,760.00 - $124,752.00 Annually Location : Thurston County - Tumwater, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 26DOT-HQ-05542-1 Department: Dept. of Transportation Division: Headquarters Opening Date: 05/18/2026 Closing Date: 5/25/2026 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,

Full-time

USD 92,760.00 - 124,752.00 per year

REMOTE - System Administrator - VMware & Hardware - Visa Independent

Remote

•

Yesterday

Remote - Visa Independent Job Title: System Administrator VMware / Hardware Infrastructure Job Description: We are seeking an experienced System Administrator with strong expertise in VMware virtualization and enterprise hardware infrastructure. The ideal candidate will have hands-on experience supporting and maintaining VMware environments, UCS/Cisco/HPE infrastructure, and Verge I/O platforms in a production environment. Experience: 10-12 years Required Skills: Strong experien

Easy Apply

Third Party, Contract

Depends on Experience

Lead System Engineers/Administrator (Only W2)

Remote

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9d 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

Nutanix/VMware/Server Engineer - IT System Administration-Senior/Specialist

Remote or Tumwater, Washington

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Today

Salary: $7,505.00 - $10,093.00 Monthly Location : Thurston County - Tumwater, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 2026-005 Department: Dept. of Revenue Division: Information Services Opening Date: 02/23/2026 Closing Date: Continuous Description Are you looking for a meaningful leadership role with stability, balance, and impact? The Washington State Department of Revenue (DOR) is seeking an experienced Lead System Administrator to provide operationa

Full-time

USD 7,505.00 - 10,093.00 per month

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