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Lorton, Virginia

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Today

Job Title: System Administrator (Windows) Clearance Required: Public Trust Work Location: Onsite; Lorton, VA Alpha Omega is searching for an experienced Windows Systems Administrator to join one of our long-term Federal projects. The Windows Systems Engineer will be responsible for the administration, automation, and security of the organization's Windows server and virtual infrastructure. This role requires advanced expertise in Microsoft Hyper-V and Windows Server environments, with a strong

Full-time

USD 70,000.00 - 135,000.00 per year

Senior Windows Systems Administrator

Arlington, Virginia

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Today

The Leidos Digital Modernization Sector is seeking a Senior Windows Systems Administrator in support of the Air Force National Capital (AFNCR) IT Services program. This position is located at The Pentagon, Arlington VA. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right

Full-time

USD 92,300.00 - 166,850.00 per year

Senior Systems Administrator (Windows/Linux) - Top Secret Clearance w/SCI eligibility required

Arlington, Virginia

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Today

Overview At AMERICAN SYSTEMS, your technical expertise directly supports national security and mission-critical systems. As an employee-owned federal government contractor, we deliver trusted solutions in support of the nation's highest priorities. We are seeking a Senior Systems Administrator to support a Special Access Program, operating in highly secure, complex environments where precision and reliability are essential. This role focuses on owning and optimizing enterprise Windows and Linu

Full-time

USD 108,100.00 per year

Senior Systems Administrator

Arlington, Virginia

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Today

Overview GovCIO is currently hiring for a Senior Systems Administrator with an active Secret clearance to manage large-scale Windows-based environments, commercial off-the-shelf applications, and government-developed enterprise applications . This position will be located in Arlington, VA, and will be a hybrid position. Responsibilities Works with large-scale Windows-based environments, commercial off-the-shelf applications, and government-developed enterprise applications Provides F5 LTM adm

Full-time

USD 115,000.00 - 135,000.00 per year

NCIS Systems Administrator | Active Top Secret clearance

Quantico, Virginia

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Today

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Mobile Device Management (MDM), Next-Generation Network (NGN), System Administration Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Systems Administrato

Full-time

USD 96,569.00 - 130,651.00 per year

NCIS Systems Administrator | Shift Work | Active Top Secret clearance

Quantico, Virginia

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Today

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Enterprise IT Infrastructure, Mobile Device Management (MDM), System Administration Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Systems Administrator

Full-time

USD 111,155.00 - 150,385.00 per year

Systems Administrator

Hybrid in Springfield, Virginia

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Today

Job Number: R0232331 Systems Administrator The Opportunity: Your technical expertise makes you a key team player, solving one problem after another. Here, you'll have the ability to work with a team of scientists, engineers, and other system administrators to support a Department of Defense client. We are seeking someone who can maintain a standalone network system, ensuring the infrastructure remains functional and available to support our client's mission. As a System Administrator on our proj

Full-time

USD 77,600.00 - 176,000.00 per year

SCCM/MECM Systems Administrator

Alexandria, Virginia

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Today

Leidos is seeking an SCCM/MECM System Administrator to support a large enterprise IT contract for the DOD. The System Administrator will support operations across multiple enclaves, classifications, and time zones. The System Administrator provides systems and software Operations and Maintenance (O&M) support in a large multi-enclave enterprise environment utilizing Microsoft's Endpoint Configuration Manager (MECM), previously known as System Center Configuration Manager (SCCM). This individual

Full-time

USD 73,450.00 - 132,775.00 per year

Linux Systems Administrator

Springfield, Virginia

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Today

Leidos is seeking an experienced, customer-facing Linux Systems Administrator to join our dynamic team supporting mission-critical infrastructure in a secure, classified environment. This junior-to-mid level role combines strong technical expertise in Red Hat Enterprise Linux (RHEL) with excellent communication skills to deliver reliable support to government customers and internal stakeholders. The ideal candidate thrives in data center operations, enjoys hands-on hardware tasks, and excels at

Full-time

USD 73,450.00 - 132,775.00 per year

Active Directory Systems Administrator

Washington, District of Columbia

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9d ago

Job Title: Active Directory Systems Administrator Job Location: Washington, DC - Onsite - Preferring a local resource Top Skills: Exp. administering Azure Active Directory environment (Azure AD), Okta (SSO & MFA), Protocols (SAML, OAuth, OpenID Connect, and LDAP), Identity Governance (SailPoint or Saviynt). Job Description: Responsibilities: Administer and manage on-premises Active Directory environment, ensuring it is secure, highly available, and properly configured.Oversee Group Policy Objec

Easy Apply

Contract

Depends on Experience

Systems Administrator

Chantilly, Virginia

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Today

Leidos is seeking an experienced Systems Administrator to join our team in supporting mission-critical IT infrastructure. This role is ideal for a professional with solid systems administration expertise, particularly in pipeline automation and/or VMware environments across Windows and/or Linux platforms. You will work in a collaborative, high-security environment, ensuring the reliability, security, and efficiency of systems that support national security objectives. This position involves hand

Full-time

USD 92,300.00 - 166,850.00 per year

Senior Systems Administrator - COMSEC Specialist

Washington, District of Columbia

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Today

MTSI is seeking a Senior Systems Administrator - COMSEC Specialist whose primary function will be to lead/support development, testing and integration of advanced communication systems. This position will be located in the Washington DC area. Your essential job functions will include but may not be limited to: Lead/monitor the design and implement a network architecture to support mission critical needs for the development of advanced systems.Monitor and guide the development of requirements, c

Full-time

Senior Systems Administrator

Washington, District of Columbia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Linux, Microsoft Windows, System Administration Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Senior Systems Administrator Own your opportunity to join our team, bringing professionalism and initiative to a fas

Full-time

USD 96,569.00 - 130,651.00 per year

Systems Administrator / Information Systems Engineer

Arlington, Virginia

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Today

Job Family: Operational Effectiveness Consulting Travel Required: Up to 10% Clearance Required: Active Secret What You Will Do: We are seeking a Systems Administrator / Information Systems Engineer in support of the Marine Corps. Responsibilities include providing Subject Matter Expertise and technical support to MCICOM G4, Food Service in support of the Marine Corps Financial Management Information System (MCFMIS). This role will provide Subject Matter Expertise (SME) and technical onsite s

Full-time

Sr Systems Administrator - PLACEMENT

Reston, Virginia

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Today

Job#: 3015532 Job Description: Job DescriptionSr Systems Administrator Location: Reston, Virginia (Onsite) Employment Type: Contract Role Overview We are seeking a Senior Systems Administrator for a long-term contract position. This role involves supporting a key federal client and requires working fully on-site. The position is a backfill on a three-year contract, offering a stable engagement within a critical infrastructure environment. Key Responsibilities Plan, design, and implement infra

Easy Apply

Full-time

USD 65.00 - 85.00 per hour

NCIS Cyber Systems Administrator - SecOps | Active TS/SCI clearance

Quantico, Virginia

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Today

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: DISA STIG, IT Security Operations, Security Content Automation Protocol (SCAP), System Administration Certifications: Security+ CE - CompTIA - CompTIA Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technolo

Full-time

USD 96,569.00 - 130,651.00 per year

Information Systems Administrator

Arlington, Virginia

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Today

Overview 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. Responsibilities We are looking for an experienced Information Systems/Network Administrator with demonstrated experience supporting DoD requirements at Pentagon (Arlington, VA). The Information Systems/Network Administrator wil

Full-time

USD 77,600.00 per year

Systems Administrator

Chantilly, Virginia

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Today

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,

Full-time

Systems Administrator

Bethesda, Maryland

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Today

Job Family: Systems Engineering Travel Required: None Clearance Required: Active Top Secret SCI (TS/SCI) What You Will Do: Perform Linux and Windows builds, installs, configuration, administration, and troubleshooting of Linux and Windows servers to include base configuration, security and system patching, performance monitoring, etc.Implement and enforce DISA STIG compliance across all systems and networksDevelop server builds for virtual and physical environmentsManage, maintain, configure,

Full-time

USD 98,000.00 - 163,000.00 per year

PKI Systems Administrator - active Top Secret required

Washington, District of Columbia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: PKI Certificate Management, Public Key Infrastructure, Public Key Infrastructure (PKI) Operations Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: PKI Systems Administrator Advance how our customers

Full-time

USD 136,000.00 - 184,000.00 per year

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