Last updated 2026-07-05

183 IT Systems Administration Jobs in Washington, DC, United States

Browse 183 IT Systems Administration jobs across Washington, DC, United States. Listings are updated hourly and include salary data where available.

Snapshot updated 2hr, 48m ago

Page 1

Koniag Government Services, LLC

Jul 3
Senior Help Desk Specailist (Team Lead)
Arlington, VA, United States senior
  • Able to perform various other IT Help Desk Lead task as needed.
  • Provides Tier I and II technical software, hardware and network problem resolution for clients by performing problem diagnosis and guiding…

ENS Solutions, LLC

Jul 2
Linux & Ansible Automation Engineer - Active TS/SCI
Reston, VA, United States senior Full Time
  • Requirements Basic Qualifications: 10+ years of experience administering Linux-based environments such as RedHat Enterprise Linux (RHEL) Ex…
  • As a Linux and Ansible Automation Engineer on our project, you'll be on the ground floor of building something meaningful…

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Anduril Industries

Jul 2
System Administrator (Active Clearance), Intelligence Systems
Reston, VA, United States mid $112k/yr
  • Currently possesses and is able to maintain an active U.S. Top Secret SCI security clearance with Full Scope Polygraph PREFERRED…
  • WHAT YOU'LL DO: The Anduril Intelligence Systems System Administrator ensures the smooth functioning of the core underpinnings of the infor…

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Google

Jul 2
Deployment Support Technician III, Cloud Supply Chain Services...
Reston, VA, United States mid
  • We empower Google customers with breakthrough capabilities and insights by delivering AI and Infrastructure at unparalleled scale, efficien…
  • Experience with performing component-level repairs and troubleshooting on IT equipment or in a similar role (e.g. systems administration, n…

US132 Guidehouse Digital, LLC

Jul 2
Senior Windows Server / Cloud DevOps Engineer
Washington, DC, United States senior Full Time $130k-216k/yr
  • Serve as the senior technical owner for a predominantly Windows Server environment (~95% Windows), providing hands-on production support fo…
  • Strong, current, hands-on Windows Server administration/engineering: production support, troubleshooting, maintenance, recovery, and patchi…

CoStar

Jul 2
IT Support Specialist- Arlington, VA
Arlington, VA, United States entry Full Time $60k-99k/yr
  • We are looking for an experienced IT Support Specialist to join our team.
  • 2+ years of experience in corporate IT or Service Desk role * Experience implementing TCP/IP at the workstation level *…

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CloudShape

Jul 2
Windows Administrator Task Lead
Washington, DC, United States senior Full Time
  • Experience troubleshooting complex Windows infrastructure issues and providing technical guidance to junior administrators.
  • Provide escalation support for complex Windows infrastructure issues and drive root cause analysis and resolution.

Omniscius Consulting

Jul 2
Senior System Administrator
Laurel, MD, United States senior Full Time
  • Position Overview The Senior Systems Administrator will provide advanced systems administration for enterprise Windows and Linux environmen…
  • This role is ideal for an experienced systems administrator with expertise in Windows and Linux administration, cloud infrastructure, autom…

cFocus Software Incorporated

Jul 2
NIH - Linux Systems Administrator / Systems Engineer
Bethesda, MD, United States mid Full Time
  • Engineer, deploy, configure, and optimize Linux server environments supporting cybersecurity operations.
  • Public Trust Clearance B.S. Computer Science, Information Technology, or a related field 5+ years of Linux systems administration and syste…

Zachary Piper

Jul 2
Cloud Systems Administrator (3 PM - 11 PM)
Springfield, VA, United States senior $100k-145k/yr
  • Provide support for implementation, troubleshooting, and maintenance of cloud systems Isolate and resolve problems involving the applicatio…
  • Senior level experience managing and administering Linux/Windows based systems.

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INflow Federal

Jul 2
Software Packaging Engineer (SAS)
Springfield, VA, United States mid
  • You will design, engineer, package, deploy, and sustain Windows desktop solutions that enable secure operations across geographically dispe…
  • This position combines enterprise Windows engineering, software packaging, operating system deployment, application virtualization, endpoin…

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TEKsystems

Jul 2
Senior Desktop Technician DC
Alexandria, VA, United States senior Contract $30-33.65/hr
  • Interim Secret Clearance required prior to start * Experience supporting Windows 10, and MS Office 2013 * Experience using Remedy…
  • Provides second-tier support to end-users for PC, server, mainframe applications, and hardware.

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Boozallen

Jul 1
Cybersecurity Engineer - - 126699 - Booz | Allen | Hamilton ®
Arlington, VA, United States mid
  • Cybersecurity Engineer - - 126699 - Booz | Allen | Hamilton ® arrow-right Our Technology arrow-right arrow-right Missions arrow-right arrow…
  • Stay Connected with Booz Allen Subscribe Linkedin Twitter INFORMATION FOR Employees International Investors Contract Officers Suppliers Sma…

Akima, LLC

Jul 1
Infrastructure Manager - Secret Clearance Required
Alexandria, VA, United States mid Full Time
  • Windows systems administration, virtualization and enterprise storage knowledge.
  • Ensure stable operation and efficient performance of client's enterprise networks and servers Monitor and manage all aspects of IT Network…

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The Nuclear Company

Jul 1
IT Support Specialist
Washington, DC, United States mid $81k-98k/yr
  • Provide IT support to executive leadership, providing prompt, personalized technical assistance for hardware, software, mobile devices, con…
  • About the role The IT Support Specialist provides technical assistance to end-users, ensuring efficient operation of hardware, software, an…

00100 LEIDOS, INC.

Jul 1
Cyber Security Systems Engineer
Alexandria, VA, United States mid Full Time $107.9k-195.1k/yr
  • The Cyber Security Systems Engineer will work within a team of engineers, developers, and system administrators adding new capabilities to…
  • Apply system security engineering expertise.

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The Boeing Company

Jul 1
Senior Linux Systems Administrator
Fairfax, VA, United States senior Full Time $124.1k-167.9k/yr
  • As a Senior Linux Administrator, you will play a crucial role in maintaining and optimizing our Linux-based infrastructure, ensuring the…
  • Senior Linux Systems Administrator Company: The Boeing Company The Boeing Company’s Information Digital Technology and Security (IDT&S) org…

Boeing

Jul 1
Senior Linux Systems Administrator
Fairfax, VA, United States senior Full Time $124.1k-167.9k/yr
  • As a Senior Linux Administrator, you will play a crucial role in maintaining and optimizing our Linux-based infrastructure, ensuring the…
  • The Boeing Company’s Information Digital Technology and Security (IDT&S) organization Specialized United States Infrastructure Operations (…

BAE Systems

Jul 1
Principal Systems Engineer (Onsite)
Springfield, VA, United States senior Full Time $118.1k-200.8k/yr
  • This role interfaces directly with engineering resources across multiple facilities and serves as the high-level technical escalation point…
  • Incident Management: Respond to technical requests via phone, email, or in person; log all interactions and track resolutions following sta…

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IonQ

Jun 30
Manager, Global Network Operations
College Park, MD, United States mid $126.9k/yr
  • Provide expert administration and governance for the corporate IT network ecosystem, while actively mentoring and upskilling junior adminis…
  • Device & Vendor Management: Configure, manage, and lifecycle network hardware (routers, switches, firewalls, load balancers, wireless contr…

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Chenega Corporation

Jun 30
Tier 1 Help Desk Analyst
Arlington, VA, United States mid Full Time
  • Provides tier 1 support to end users for either PC, server, or mainframe applications or hardware.
  • Provides support for implementation, troubleshooting, and maintenance of IT systems.

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Pae

Jun 30
Cloud System Administrator
Springfield, VA, United States senior Full Time
  • Senior level experience managing and administering Linux/Windows based systems including patching, updates, and configuration management.
  • Isolate and resolve hardware and software problems involving the applications, operating system, hardware, communications infrastructure, o…

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RTX

Jun 30
System Admin - DC
Washington, DC, United States mid Full Time
  • Qualifications We Prefer ACAS and HBSS administration and maintenance experience VMware vSphere administration and maintenance experience R…
  • Network administration and fault isolation/troubleshooting experience with Cisco hardware and switch/router configurations.

Amtrak

Jun 30
Digital Forensics & IT Specialist - 90412583 - Washington
Washington, DC, United States mid $107.5k-140.1k/yr
  • Performs system and security monitoring, reviews logs and scheduled jobs, supports incident investigation and remediation, and assists with…
  • Experience providing customer-focused end-user support, including diagnosing and resolving hardware, software, account, and connectivity pr…

GD Information Technology, Inc.

Jun 30
Network Engineer (TS/Q Clearance required)
Washington, DC, United States senior Full Time $110.5k-149.5k/yr
  • Network Operations Oversight: Provide technical assistance and oversight across all network operations, including LAN/MAN/WAN administratio…
  • Infrastructure Design & Implementation: Design, build, and implement network systems for LAN, MAN, and WAN environments, ensuring they meet…

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