Systems Administrator jobs in District of Columbia

Suitland-Silver Hill, Maryland

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Today

Job ID: 2615766 Location: Suitland, MD, US Date Posted: 2026-08-17 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description ?Varen, an SAIC company is seeking an experienced Systems Administrator to join out team. This position in located in Suitland, MD and requires an active TS/SCI with polygraph

Full-time

USD 160,001.00 - 200,000.00 per year

Systems Administrator/Configuration Management Analyst

Springfield, Virginia

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8d ago

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio

Full-time

USD 70,100.00 - 123,625.00 per year

Systems Administrator

Springfield, Virginia

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Today

Job Number: R0246711 Systems Administrator The Opportunity: The Senior Systems Administrator is responsible for the design, implementation, maintenance, and support of enterprise systems and infrastructure. This role ensures the stability, integrity, and efficient operation of IT systems and will collaborate closely with cross-functional teams to deliver reliable and secure technology services. Your combination of people skills and system administrator expertise makes you the team hero, solving

Full-time

USD 77,600.00 - 176,000.00 per year

TS/SCI Windows Systems Administrator

Arlington, Virginia

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Today

Description Windows Systems Admin (Server) TEKsystems is seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Apply today to become part of the Leidos team that is assisting CESO as they migrate to a high security cloud environment by providing network

Full-time

USD 50.00 - 65.00 per hour

TS/SCI Backup Systems Administrator

Arlington, Virginia

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Today

Description TEKsystems is currently seeking a Veritas NetBackup Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Apply today to become part of the Leidos team that is assisting CESO as they migrate to a high security cloud environment by providing network and communication

Full-time

USD 65.00 - 75.00 per hour

Systems Administrator

Herndon, Virginia

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8d ago

Job Description Provide Domain/Systems Administrator Engineer of the Mission LAN, and oversee the maintenance, optimal function, and patching of the LAN's operating system, and the GOTS, COTS, and custom software products running on it. Perform system startup, shutdown, backups, and restores and maintain records of the Cartoon operating system upgrades/changes for reporting purposes. Conduct virus scanning and firewall protection of the Mission LAN in compliance with the Sponsor's ISSM Provide D

Full-time

USD 101,000.00 - 178,135.00 per year

Systems Administrator

Washington, District of Columbia

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Today

Overview Job Summary Galapagos Federal Systems LLC is looking for an enthusiastic, well-qualified individual to fill the Systems Administrator position. This role offers the opportunity to work with a diverse and talented group of individuals committed to driving success. The ideal candidate will perform enterprise system administration, operations, and maintenance across classified and unclassified environments. This role is responsible for ensuring the availability, security, integrity, and

Full-time

USD 125,000.00 - 135,000.00 per year

Red Hat Enterprise Linux (RHEL) Systems Administrator

Washington, District of Columbia

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19d ago

The Linux Systems Administrator will be responsible for administering and supporting RHEL servers with day-to-day responsibilities including: Managing the full lifecycle of RHEL servers, including deployment, configuration, patching, and maintenance on virtual platforms (VMware).Using Red Hat Satellite for large-scale system management, including: Configuring and managing software repositories, content views, and life cycle environments. Orchestrating patch management and security updates across

Easy Apply

Contract

$60 - $65

IT Systems Administrator

Hybrid in Arlington, Virginia

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Today

Job Number: R0246624 IT Systems Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in aerospace and national defense? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. As an IT Systems Administrator on

Full-time

USD 62,000.00 - 141,000.00 per year

Systems Administrator II

Washington, District of Columbia

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Today

Description Red Hat Enterprise Linux (RHEL) Systems Administrator Location: Washington, DC (Onsite, 5 days per week) Clearance Requirement: Ability to obtain and/or maintain a Public Trust clearance Employment Type: Long Term Contract Overview We are seeking a Red Hat Enterprise Linux (RHEL) Systems Administrator to support and maintain enterprise Linux infrastructure in a highly secure environment. This role is responsible for the administration, maintenance, patching, automation, and opti

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Contract

USD 44.00 - 49.00 per hour

Systems Administrator II - Desktop Support

Springfield, Virginia

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Today

Job ID: 2614942 Location: Springfield, VA, US Date Posted: 2026-07-24 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a highly motivated and skilled Senior Systems Administrator II - Desktop Support to join our MAJESTIC Joint Program Office (JPO) Tea

Full-time

USD 80,001.00 - 120,000.00 per year

Red Hat Enterprise Linux (RHEL) Systems Administrator

Washington, District of Columbia

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6d ago

Job Title: Red Hat Enterprise Linux (RHEL) Systems Administrator Location: Washington, DC 20530 (Onsite) Type: Contract To Hire Compensation: $52.96 Responsibilities Managing the full lifecycle of RHEL servers, including deployment, configuration, patching, and maintenance on virtual platforms (VMware). Using Red Hat Satellite for large-scale system management, including: configuring and managing software repositories, content views, and life cycle environments. Orchestrating patch management

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Contract

$52.96

Cloud & Infrastructure Systems Administrator

Hybrid in Washington, District of Columbia

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19d ago

SFA is seeking candidates for the following position for our DC based client: Title:Cloud & Infrastructure Systems Administrator Period of Performance:Ongoing Location: Washington DC Work Arrangement:Hybrid - 3 days onsite and 2 days offsite Summary Cloud & Infrastructure Systems Administratorto manage and optimize our hybrid cloud environment. This role is for a forward-thinking IT professional who is passionate about infrastructure, automation, and leveraging modern cloud and AI platforms to d

Easy Apply

Contract

60 - 90

Systems Administrator/Network Engineer-52301

Alexandria, Virginia

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Today

Job Title: Systems Administrator/Network Engineer Location: Alexandria, VA (Onsite) Clearance Required: Secret Clearance Employment Type: Full-Time/Exempt Role Summary Syneren is seeking a highly skilled Systems Administrator/ Network Engineer to lead the strategic modernization of our enterprise IT infrastructure. This role will be responsible for architecting, implementing, and supporting secure network and cloud solutions while driving the migration of legacy on-premises systems to Microso

Easy Apply

Full-time

Systems Administrator

Washington, District of Columbia

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Today

About Company: About Tripoint Solutions We are technology innovators, partnered with state-of-the-art providers, such as AWS, ServiceNow, and UiPath, to drive digital transformation in the federal space. TPS teams are bringing automation and data science into areas of the government that are crying out for fresh tech-making positive impacts felt by tens of thousands of users, countless citizens, and all six branches of the military each day. Our Agile teams are responsible for envisioning, lau

Full-time

USD 90,000.00 - 140,000.00 per year

Systems Administrator

Suitland-Silver Hill, Maryland

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Today

Systems Administrator Location: Suitland, MD Clearance: Active TS/SCI Leidos is seeking a Systems Administrator to join our team in Suitland, MD, supporting Scientific and Technical Intelligence (S&TI) analysis at the Office of Naval Intelligence (ONI). In this role, you will provide specialized cybersecurity and IT support for critical intelligence systems used in parametric modeling, engineering analysis, and foreign material exploitation. You will support a highly specialized technical env

Full-time

USD 92,300.00 - 166,850.00 per year

Systems Administrator

Tysons, Virginia

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Today

Overview The System Administrator provides system administration for all systems and applications supported by security guidance, orders and directives, identifying and remediating vulnerabilities, implementing and testing security controls, assisting with software upgrades and maintaining a healthy system for the Defense Nuclear Facilities Safety Board (DNFSB) network. Responsibilities Perform tasks required to achieve and maintain Authorizations to Operate (ATOs) for all supported systems a

Full-time

USD 110,000.00 - 138,000.00 per year

Systems Administrator

Alexandria, Virginia

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Today

Overview Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are known for continuous innovation for our government customers, in both the US and abroad. Our exceptionally talented team is highly collaborative in spirit and practice, producing Results that Matter. Come work with the best! We offer opportunity, unique challenges, and clear-sighted commitment to

Full-time

USD 105,000.00 per year

Systems Administrator Senior

Washington, District of Columbia

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Today

Job Type: Full- Time Workplace Type: Onsite at JBAB, Washington, DC Clearance: Active TS/SCI clearance with CI Polygraph Job Summary Castalia Systems is currently searching for a Systems Administrator Senior to support the sustainment of two critical operating systems onsite at JBAB in Washington, DC. This critical position will be a great fit for a driven Systems Administrator/Engineer to join our team. Roles and Responsibilities A qualified candidate will perform the following duties and respo

Full-time

USD 190,000.00 - 200,000.00 per year

Systems Administrator

Vienna, Virginia

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Today

We are seeking a Systems Administrator to join our team. Working at NT Concepts means that you are part of an innovative, agile company dedicated to solving the most critical challenges in National Security. We're looking for the best and the brightest to join us in supporting this mission. If meaningful work, initiative, creativity, and continuous self-improvement are important to your career, join our growing team and discover What's Next for you. Mission Focus: We are seeking a versatile and

Full-time

USD 77,280.00 - 117,300.00 per year

Systems Administrator jobs in Washington, DC, USA