Systems Administrator Jobs in District of Columbia

21 - 40 of 260 Jobs

Sr. Systems AdministratorJob Title - Sr. Systems Administrator

MSITEK LLCCompany Name - MSITEK LLC

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Herndon, Virginia, USA

Contract

- 5+ years of experience in an IT enterprise System Admin role or Cloud Admin position - 4+ years with PowerShell scripting for automation, extremely fluent in PowerShell and command lines - Experience with Windows firewalls - Expert level Microsoft Azure Administrator - Expert level Windows admin skills (Active Directory, DNS, Group Policy) - Security Clearance or ability to get a Clearance Nice to Have Skills and Experience -Bachelors in Computer Science - Professional industry certifications

Junior Systems Administrator, Intelligence SystemsJob Title - Junior Systems Administrator, Intelligence Systems

Aduril IndustriesCompany Name - Aduril Industries

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Reston, Virginia, USA

Full-time

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

Systems Administrator - TS/SCI with PolygraphJob Title - Systems Administrator - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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McLean, Virginia, USA

Full-time

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: Systems Administration Job Qualifications: Skills: Access Control (AC), Active Directory (AD), System Administration, User Account Management Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity a

Systems Administrator - TS/SCI with PolygraphJob Title - Systems Administrator - TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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McLean, Virginia, USA

Full-time

Linux Systems AdministratorJob Title - Linux Systems Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Bethesda, Maryland, USA

Full-time

Job Number: R0218615 Linux Systems Administrator The Opportunity: Your 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 U.S. Federal Government? We're looking for a Cross Domain Spe cia list to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment. As a Linux System Administrator on our project, you'll constantly look for ways to make the infrastructure

Network Engineer, Systems AdministratorJob Title - Network Engineer, Systems Administrator

Alpha Omega Integration LLCCompany Name - Alpha Omega Integration LLC

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Lorton, Virginia, USA

Full-time

Job Title: Network Engineer Clearance Required: DHS Public Trust Work Location: Onsite; Onsite 5 days a week in Lorton, VA office Alpha Omega is seeking a qualified Network Engineer to maintain and troubleshoot the Windows and Meraki infrastructure of the organization. The Network Engineer will be responsible for the administration and management of Windows servers, including but not limited to Windows Services (WSUS and Active Directory) as well as Cisco/Meraki cloud and on-premises devices, i

Systems Administrator (Business Objects, Linux/Unix, Apache TomCat)Job Title - Systems Administrator (Business Objects, Linux/Unix, Apache TomCat)

SAICCompany Name - SAIC

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Ashburn, Virginia, USA

Full-time

Job ID: 2507273 Location: ASHBURN, VA, US Date Posted: 2025-07-03 Category: Information Technology Subcategory: Database Admin Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description Position Summary / Responsibilities: We are currently seeking a motivated, career and customer-oriented Linux/Unix Applications Administrator (MUST have Apache Tomcat e

Linux Systems AdministratorJob Title - Linux Systems Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

•

Bethesda, Maryland, USA

Full-time

Job Number: R0218704 Linux Systems Administrator The Opportunity: Your 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 U.S. Federal Government? We're looking for a Cross Domain Spe cia list to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment. As a Linux System Administrator on our project, you'll constantly look for ways to make the infrastructure b

Senior Linux Systems AdministratorJob Title - Senior Linux Systems Administrator

LeidosCompany Name - Leidos

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Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immed

Systems AdministratorJob Title - Systems Administrator

Apex SystemsCompany Name - Apex Systems

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Fort Belvoir, Virginia, USA

Full-time

Job#: 2068763 Job Description: CANDIDATES MUST HOLD AN ACTIVE TS/SCI CI POLY AND BE ABLE TO WORK SHIFT WORK TO BE CONSIDERED FOR THE ROLE Systems Administrator Location: Ft. Belvoir, VA Clearance required: TS/SCI with ability to obtain a POLY Shift: See Below $70-$90 an hr/W2 At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world and every day we use our unique skills and experience

IAM Systems Administrator Onsite Fort Meade, MD Active Security ClearanceJob Title - IAM Systems Administrator Onsite Fort Meade, MD Active Security Clearance

SmoothStackCompany Name - SmoothStack

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Fort Meade, Maryland, USA

Full-time

Interviewing/Hiring NOW IAM Systems Administrator Onsite Fort Meade, MD Active Security Clearance Required! System Administration support for development and production environments for an Identity and Access Management (IdAM) system

Senior Windows Systems Administrator VMWare SMEJob Title - Senior Windows Systems Administrator VMWare SME

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2506329 Location: CHANTILLY, VA, US Date Posted: 2025-06-03 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is looking for an ambitious Senior Level System Administrator/VMWare SME like you! Candidates will join a fast-paced and growing team of System Administrators in supporting

Citrix Systems AdministratorJob Title - Citrix Systems Administrator

LeidosCompany Name - Leidos

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Bethesda, Maryland, USA

Full-time

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 mobility and development an

Network/Systems Administrator IIIJob Title - Network/Systems Administrator III

General DynamicsCompany Name - General Dynamics

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Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Network Administration Job Qualifications: Skills: Computer Backups, Computer Networking, Local Area Network (LAN) Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Network/System Administrator with GDIT. A caree

Senior Systems Administrator (Windows/Linux)Job Title - Senior Systems Administrator (Windows/Linux)

American Systems CorporationCompany Name - American Systems Corporation

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Washington, District of Columbia, USA

Full-time

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. THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! Responsibilities As a Senior Systems Administrator, you will: Support on-premises Windows and Linux infrastructure and applications.Provide Tier II support for production and devel

Systems Administrator Expert - Backup and ConfigurationJob Title - Systems Administrator Expert - Backup and Configuration

General DynamicsCompany Name - General Dynamics

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Washington, District of Columbia, USA

Full-time

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: Systems Administration Job Qualifications: Skills: Backup and Recovery (Software), Computer Backups, Information Technology (IT) Systems Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Systems Administrator Expert - Backup and Configuration Transform technology into oppor

Systems Administrator 2Job Title - Systems Administrator 2

JacobsCompany Name - Jacobs

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Fort Meade, Maryland, USA

Full-time

Your Impact: Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Systems Administrator to join our team of passionate individuals in Fort Meade, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. Responsibilities: A system administrator provides support for implementation, troubleshooting and maintenance of IT syst

Systems Administrator Intermediate - TS/SCI requiredJob Title - Systems Administrator Intermediate - TS/SCI required

General DynamicsCompany Name - General Dynamics

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Fort Belvoir, Virginia, USA

Full-time

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: Systems Administration Job Qualifications: Skills: Computer Servers, Information Technology (IT) Systems, Systems Management Certifications: None Experience: 7 + years of related experience ship Required: No Job Description: Systems Administrator Intermediate - TS/SCI required Transform techno

Systems AdministratorJob Title - Systems Administrator

American Systems CorporationCompany Name - American Systems Corporation

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Chantilly, Virginia, USA

Full-time

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.This position is on site, Monday - Friday from 11am to 7pm, at a medical system testing facility in Chantilly VA. Responsibilities Support engineering solutions and provide hands-on customer support Engage face to face and virtual

Systems Administrator - TS/SCI w/Polygraph (3rd Shift)Job Title - Systems Administrator - TS/SCI w/Polygraph (3rd Shift)

General DynamicsCompany Name - General Dynamics

•

McLean, Virginia, USA

Full-time

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: Systems Administration Job Qualifications: Skills: Communication, Computer Systems, Troubleshooting, Video Processing Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology has an immediate opening for a Syste