System Administrator Jobs in Washington

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System Administrator & Technical Lead - TS/SCI Clearance

Dexian DISYS

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Washington, District of Columbia, USA

Full-time

Dexian has been engaged to identify a Senior System Administrator and Technical Lead with active TS/SCI clearance, to directly support the most sensitive programs of a defense technology organization. This is a Full-Time staff position working onsite in Washington, D.C. The Senior Systems Administrator will be a part of the team building and maintaining the critical classified infrastructure. You will have the opportunity to work with and learn from some of the world's best engineers and cybers
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Posted 27 days ago | Updated 3 hours ago

System Administrator

Akima, LLC

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Alexandria, Virginia, USA

Full-time

Akima Data Management (ADM) is looking for a Systems Administration to work in Alexandria, VA office. To join our team of outstanding professionals, apply today! The position is contingent upon contract award. Responsibilities Administers, develops, runs tests, implements, and maintains operating system and related software.Establishes and implements standards for computer operations for compatibility between hardware and software, according to specifications and parameters.Troubleshoots and re
Posted 4 days ago | Updated 2 hours ago

Linux System Administrator

Leidos

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Alexandria, Virginia, USA

Full-time

Job DescriptionDescription Leidos is seeking a System Administrator to support a large enterprise IT contract for the DOD. This role requires an individual that has technical experience with administering Linux and Windows servers within a VMware virtual environment. This individual should be detail oriented in order to capture customer inquiries appropriately. This role is responsible for interacting with other administrators to handle service inquiries and problems. Duties include examining
Posted moments ago

System Administrator Senior - Hosting

NuAxis LLC

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Falls Church, Virginia, USA

Full-time

We are a federal IT company on a mission to make customer experience (CX) the center of every government solution. Technology is our Passion. People are our Purpose. We know tech, but we love people. NuAxis is home to thinkers and feelers, engineers and artists. We work hard and support each other along the way. Teamwork is more than just a buzzword for us, it's a state of mind. We believe happy employees do amazing work, so join our team NOW! We are currently seeking a talented and motivated S
Posted 4 days ago | Updated 1 hour ago

Senior System Administrator

General Dynamics

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Falls Church, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, Microsoft Power Business Intelligence (BI), Security Technical Implementation Guides (STIGs), System Administration, System Center Operations Manager (SCOM) Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: We are
Posted 17 days ago | Updated 2 hours ago

System Administrator (Q Clearance)

ShorePoint, Inc

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Washington, District of Columbia, USA

Full-time

Who we are: ShorePoint is a fast-growing, industry recognized and award-winning cybersecurity services firm with a focus on high-profile, high-threat, private and public-sector customers who demand experience and proven security models to protect their data. ShorePoint subscribes to a work hard, play hard mentality and celebrates individual and company successes. We are passionate about our mission and going above and beyond to deliver for our customers. We are equally passionate about an enviro
Posted 9 days ago | Updated 7 days ago

Senior System Administrator

Booz Allen Hamilton

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Fort Belvoir, Virginia, USA

Full-time

Job Number: R0222797 System Administrator, Senior The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of Defense (DoD)? We're looking for a systems administrator who specializes in working within classified environments, supporting agencies with a solid background in Windows operating systems, to help us build and deploy techni
Posted 6 days ago | Updated 3 hours ago

Senior System Administrator

Booz Allen Hamilton

•

Fort Belvoir, Virginia, USA

Full-time

Job Number: R0222806 System Administrator, Senior The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of Defense ( DoD ) ? We're looking for a systems administrator who spe cia lizes in working within classified environments supporting agencies with a solid background in windows operating systems to help us build and deploy tech
Posted 6 days ago | Updated 3 hours ago

Senior System Administrator

Booz Allen Hamilton

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Washington, District of Columbia, USA

Full-time

Job Number: R0221564 System Administrator, Senior The Opportunity: Your combination of people skills and te chn ical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the te chn ology supporting the Department of Defense ( DoD ) ? We're looking for a systems administrator who spe cia lizes in working within classified environments supporting agencies with a solid background in windows operating systems to help us build and deploy
Posted 28 days ago | Updated 3 hours ago

IT Developer - System Administrator

ALTA IT Services

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Vienna, Virginia, USA

Full-time

Job Title: IT Developer - System Administrator Location: Vienna, VA Type: Contract Contractor Work Model: Remote Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Description: Extensive Java Development Experience: Proven expertise in building scalable and maintainable backend systems using Java. Strong Spring Boot Proficiency: Hands-on experience developing microservices and RESTful APIs with Java and Spring Boot. Cloud Experience with Microsoft Azure: Familiarity
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Posted 8 days ago | Updated 11 hours ago

Senior Network and Computer System Administrator

ALTA IT Services

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Washington, District of Columbia, USA

Full-time

Job Title: Senior Network and Systems Administrator Salary Range: $110,000.00 - $130,000.00 per year Clearance Requirement: Must already possess a DoD Secret or above clearance Job Location: Washington, DC (on-site) Responsibilities At least 4-8 years managing and administering complex and mixed network environments Demonstrated experience and abilities administering network, Web and communication system, including LAN and WAN systems. Demonstrated experience administering , installing, manag
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Posted 7 days ago | Updated 11 hours ago

Mid Linux System Administrator

Booz Allen Hamilton

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Washington, District of Columbia, USA

Full-time

Job Number: R0221402 Linux System Administrator, Mid Key Role: Provide hands-on experience managing Linux-based IT components. Provide network and systems administration support for all cybersecurity systems in the Enterprise. Provide systems administration and engineering support for non-Windows operating systems such as Linux-based systems, including Redhat Enterprise Linux (RHEL). Support the networking administration focused on enterprise infrastructure systems such as Cisco and Cisco ISE,
Posted 30 days ago | Updated 3 hours ago

System Administrator

Leidos

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Odenton, Maryland, USA

Full-time

Job DescriptionDescription The Defense group at Leidos has a career opening for a Journeyman System Administrator on a DISA contract. This role is primarily on the customer site at Ft Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). Primary Responsibilities: Provide mid-level skillset for Virtual Desktop Infrastructure (VDI) environment.Provide support for ticket escalation on major outages.Be able to work
Posted moments ago

Windows System Administrator (Onsite - TS/SCI Clearance Required)

RTX Corporation

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Arlington, Virginia, USA

Full-time

Date Posted: 2025-07-03 Country: United States of America Location: VA111: 1300 N 17th Street, Arlington 1300 North 17th Street Suite 400, Arlington, VA, 22209 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for com
Posted 12 days ago | Updated 2 hours ago

System Administrator

Leidos

•

Odenton, Maryland, USA

Full-time

The Defense group at Leidos has a career opening for a Journeyman System Administrator on a DISA contract. This role is primarily on the customer site at Ft Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). Primary Responsibilities: Provide mid-level skillset for Virtual Desktop Infrastructure (VDI) environment.Provide support for ticket escalation on major outages.Be able to work in a rapid paced environmen
Posted 5 days ago | Updated 2 hours ago

Archer System Administrator and Data Management Specialist - NNSA RMF

Accenture LLP

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Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 4 days ago | Updated 2 hours ago

System Administrator

Hexaware Technologies, Inc

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Reston, Virginia, USA

Full-time

Job Description: Provide Tier 2/3 support for Windows 10/11 physical and virtual environments Assist in the deployment, configuration, and management of MDM solutions (Workspace ONE) Monitor system performance, compliance, and logging/monitoring Collaborate with security and compliance teams to ensure endpoint protection and policy enforcement Maintain documentation for system configurations, procedures, and troubleshooting guides Implement and troubleshoot Group Policy Objects (GPOs) and CSP co
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Posted 29 days ago

Sr. System Administrator

Leidos

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Odenton, Maryland, USA

Full-time

Job DescriptionDescription The Defense group at Leidos has a career opening for a System Administration Site Lead on a DISA contract. This role is primarily on the customer site at Ft. Meade, MD. The site lead will manage a team of 4-5 personnel providing support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Directly report to Tier II/ Program Management on all technical and personnel concerns Utilize senior Linux sys admin
Posted moments ago

MECM System Administrator

Leidos

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Odenton, Maryland, USA

Full-time

Job DescriptionDescription Are you ready to make an impact and join a creative, forward-thinking team? We re looking for innovators and forward-thinkers to help us do great things. The Leidos DES (Defense Enclave Services) team is supporting an extensive digital modernization program critical to DISA and Fourth Estate Agencies and Leidos is seeking a MECM/Intune Systems Administrator to work at Ft. Meade, MD. PROGRAM SUMMARY: The Defense Enclave Services contract will unify the DOD Fourth Estat
Posted moments ago

Sr. System Administrator

Leidos

•

Odenton, Maryland, USA

Full-time

The Defense group at Leidos has a career opening for a System Administration Site Lead on a DISA contract. This role is primarily on the customer site at Ft. Meade, MD. The site lead will manage a team of 4-5 personnel providing support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Directly report to Tier II/ Program Management on all technical and personnel concernsUtilize senior Linux sys admin experience to maintain and
Posted 1 day ago | Updated 2 hours ago