Systems Administrator jobs in Ashburn, VA

Herndon, Virginia

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3d ago

Role: Systems Administrator T4 / Senior Microsoft 365 Administrator Location: Herndon, VA (Hybrid minimum 3 days/week onsite) Duration: 12+ Months Description The Senior Microsoft 365 Administrator will serve as the technical lead and subject matter expert responsible for overseeing the architecture, implementation, and ongoing optimization of Microsoft 365 environment. This strategic role will support major modernization initiatives, lead platform upgrades, and collaborate cross-functionally to

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Contract

Depends on Experience

AI and Cloud Systems Administrator

Hybrid in Herndon, Virginia

•

Yesterday

Job Description Elite Technical is seeking AI/Cloud Systems Administrator who will design, configure, and maintain cloud infrastructure on C2E, AWS, and Kubernetes to support AI-driven document vectorization, Model Context Protocol (MCP) servers, and RESTful API integrations. This role requires close collaboration with AI data engineers and system architects to ensure secure, scalable, and compliant infrastructure for mission-critical AI workflows. Responsibilities include, but are not limited

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Full-time

$140,000 - $180,000

Systems Administrator

Chantilly, Virginia

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Today

Leidos is seeking a Mid-level Forward Deployed Network Administrator to join our Network Engineering Team within the Engineering Operations group at our Chantilly, VA location. This role supports critical network infrastructure through advanced systems administration and troubleshooting tasks. The ideal candidate will be responsible for installation, configuration, administration, support, and maintenance of network systems including associated hardware, ensuring reliable and secure network oper

Full-time

USD 89,700.00 - 162,150.00 per year

Network Systems Administrator - M

Washington, District of Columbia

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Today

Network Systems Administrator, Washington, DC We currently Network Systems Administrator for a great opportunity in Washington, DC. This position is primarily on-site but may allow for hybrid or remote flexibility if the candidate meets all background and compliance requirements. Network Systems Administrator Responsibilities: - Manage Active Directory, Windows Server environments, VPNs, and Cisco networking. - Handle patching, monitoring, and backups. - Ensure compliance with house IT security

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Full-time

$85,000 - $105,000

Senior Systems Administrator

Herndon, Virginia

•

Today

Senior Systems Administrator Company: The Boeing Company The Boeing Company's Information Digital Technology and Security (IDT&S) organization Specialized Infrastructure Operations group is currently seeking a Senior Systems Administrator to join the team in Herndon, VA. At Boeing, we deliver complex solutions in challenging environments, supporting our Mission Operations Portfolio by designing, building, testing, deploying, and maintaining critical platforms for commercial and government clie

Full-time

USD 116,450.00 - 157,550.00 per year

Linux Systems Administrator

Remote or Sterling, Virginia

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Today

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Full-time

Linux Systems Administrator

Herndon, Virginia

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Today

Joining the BlueHalo, an AV Company team means immersing yourself in a dynamic environment, working alongside the brightest minds in technology through some of the toughest challenges facing our nation today. We are spearheading the future of global defense, with every BlueHalo employee playing a key role in our success. That's why our investment in you goes beyond competitive pay and a rewarding benefits package. We're committed to providing our people with the best opportunities to develop the

Full-time

USD 80,000.00 - 100,000.00 per year

Systems Administrator (Multiple Levels)

Chantilly, Virginia

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Today

Responsibilities As a Systems Administrator, you will be responsible for installing, configuring, and maintaining operating system workstations and servers, including web servers. You will support the multi-enclave environment (Unclassified, Secret, and Top Secret/SCI) that enables users to collaboratively perform their work using a variety of tools and applications. Job Responsibilities Install, configure, and maintain operating system workstations and servers Perform software installations a

Full-time

USD 99,800.00 - 156,050.00 per year

Senior Systems 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: Information Technology (IT) Systems, Microsoft Windows Server, System Administration Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Senior Systems Administrator Transform technolo

Full-time

USD 110,500.00 - 149,500.00 per year

Linux Systems Administrator

Centreville, Virginia

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Today

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is seeking a mid-level Linux Systems Administrator. The candidate will suppo

Full-time

USD 144,800.00 - 260,600.00 per year

Systems Administrator - TS/SCI with Polygraph

Chantilly, Virginia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph 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: Apache Tomcat, IBM Cognos Administration, Linux Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Systems Administrator with GDI

Full-time

USD 138,063.00 - 186,791.00 per year

Senior Systems Administrator, Intelligence Systems

Reston, Virginia

•

Today

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Full-time

USD 146,000.00 - 194,000.00 per year

Systems Administrator T4 (Senior Microsoft 365 Administrator)

Hybrid in Herndon, Virginia

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Today

Job Opportunity: Systems Administrator T4 (Senior Microsoft 365 Administrator) SAP NS2 Status: Update and reopened for four new submissions Location: Herndon, VA (Hybrid min. 3 days onsite/week) Start Date: ASAP End Date: 08/31/2026 Overview: Seeking a Senior Microsoft 365 Administrator to lead architecture, upgrades, and management of SAP NS2 s Microsoft 365 environment. This hybrid role supports major modernization initiatives and requires strong expertise across Exchange Online, SharePoint,

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Contract, Third Party

Depends on Experience

Systems Administrator

Rockville, Maryland

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Today

Job Description The Systems Administrator provides support at all levels of the IT organization and works to ensure functionality and reliability of all technology resources, including servers, desktops, applications, network infrastructure, telecom, and security. This position performs problem resolution activities, participates in the on-call rotation, establishes and manages vendor support relationships, and provides input to the Management team on improvement opportunities and solutions to

Full-time

USD 75,000.00 - 90,000.00 per year

Systems Administrator

Bluemont, 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: EMC Storage Area Network (SAN) Administration (Inactive), Unix System Administration, Windows System Administration Certifications: Security + - CompTIA - CompTIA Experience: 5 + years of related experience ship Required: Yes Job Descr

Full-time

USD 103,700.00 - 140,300.00 per year

Citrix Systems Administrator

Gaithersburg, Maryland

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Today

Job DescriptionDescription At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Employees enjoy career enrichment opportunities available through

Full-time

Compensation information provided in the description

Senior Systems Administrator

Fairfax, Virginia

•

Today

Senior Systems Administrator Employment Type: Full Time, Senior-level Department: Legal/IT CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative people together to solve the government's most dynamic problems with cutting-edge technology. To carry out our mission, we are seeking candidates who are excited to contribute to government innovation, apprec

Full-time

USD 101,920.00 - 131,040.00 per year

Citrix Systems Administrator

Rockville, Maryland

•

Today

Full-time

Compensation information provided in the description

Senior Systems Administrator

Rockville, Maryland

•

Today

Full-time

USD 101,920.00 - 131,040.00 per year

Citrix Systems Administrator

Glen Echo, Maryland

•

Today

Full-time

Compensation information provided in the description

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Systems Administrator jobs in Ashburn, VA, USA