Linux Administrator Jobs in Washington, DC

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System Administrator II

General Dynamics Information Technology

•

Maryland, 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: Communication, Information Systems, Operating Systems (OS), System Security, Systems Software Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: #ITPolyMD Provide support for imple
Posted 41 days ago | Updated 18 hours ago

DevOps Engineer

Leidos

•

Bethesda, Maryland, USA

Full-time

Leidos has an exciting opening for you, our next TS/SCI cleared DevOps Software Engineer working with a dynamic team to design, develop and deploy a state-of-the-art technology stack supporting the DIA-NMEC( National Media Exploitation Center) DOMEX Technology Platform (DTP). Under this 10-year contract containing multiple Task Orders, we support the DOMEX Data Discovery Platform (D3P) Modernization program. You will have impact as part of a mission focused, solutions oriented, and adaptive team
Posted 26 days ago | Updated 10 hours ago

Platform Systems Engineer/Architect, Associate Principal

American Systems Corporation

•

Arlington, 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 INCLUDES A $5,000 SIGN-ON BONUS! Responsibilities As an Associate Principal Platform Systems Engineer/Architect, you will: Design, develop, and maintain scalable, secure computing platforms across cloud and on-pre
Posted 11 hours ago

System Administrator 2

Realm One

•

Annapolis, Maryland, USA

Full-time

RealmOne is the GOAT - where your career can reach the greatest heights! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join u
Posted 2 days ago | Updated 11 hours ago

Senior Systems Administrator

Leidos

•

Arlington, Virginia, USA

Full-time

Leidos is seeking a highly motivated and experienced Senior Systems Administrator to join our team supporting the Air Force National Capitol Region Information Technology Systems National Military Command Center (AFNCR ITS NMCC) at the Pentagon. As the Senior Systems Administrator, you will have a unique opportunity to contribute to a vital national security mission. You will play a key role in maintaining and enhancing the operational integrity of critical systems, working in a dynamic and fas
Posted 1 day ago | Updated 10 hours ago

Principal Systems Administrator

ManTech

•

Arlington, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Principal Systems Administrator to join our team in Pentagon, VA. The position is onsite. Responsibilities include but are not limited to: Provide specialized support and troubleshooting for VIP users, including hardware, software, network, and application issuesManage and maintain computer systems, servers, and other IT infrastructure, ensuring optimal performance and securityManage VIP user accounts, permissions, and security access withi
Posted 40 days ago | Updated 21 hours ago

Sr Openshift Engineer with Linux and Kubernetes

Keylent

•

Remote

Contract

Sr OpenShift Engineer with Linux and Kubernetes
Easy Apply
Posted 23 days ago

Site Reliability Engineer- 5 days onsite NoHo, NYC

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

Site Reliability Engineer This company is developing AI thought partners designed to enhance human intelligence and creativity, transforming how knowledge is created and shared in financial services. We're unapologetically ambitious driven by a clear goal: to build the world's leading Financial AI company. The company is located in in NoHo, NYC and will be 5 days onsite. What You Will Be Doing: Cloud Infrastructure Management: Design, implement, and maintain robust cloud infrastructure on AWS a
Easy Apply
Posted 44 days ago | Updated 7 hours ago

Kubernetes DevOps Engineer

Lockheed Martin Corporation

•

Maryland, USA

Full-time

Job Description This position may be eligible for a $25K sign on bonus for external hires! WHAT WE'RE DOING Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastruct
Posted 60+ days ago | Updated 10 hours ago

SAR/SCI Systems Administrator - Advanced 1

Johns Hopkins Applied Physics Laboratory (APL)

•

Laurel, Maryland, USA

Full-time

Description Do you love solving complex technical problems in customized IT environments? Are you passionate about providing advanced system administration support for unique, mission-critical projects? Do you like contributing to innovative projects that directly impact national security? If so, we're looking for someone like you to join our team at APL. We are seeking a talented Tier 3 Systems Administrator to expertly manage, secure, and maintain customized Windows and Linux environments
Posted 9 days ago | Updated 8 hours ago

Principal Systems Administrator

ManTech

•

Arlington, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Principal Systems Administrator to join our team in Pentagon, VA. The position is onsite. Responsibilities include but are not limited to: Provide specialized support and troubleshooting for VIP users, including hardware, software, network, and application issues Manage and maintain computer systems, servers, and other IT infrastructure, ensuring optimal performance and security Manage VIP user accounts, permissions, and security access
Posted 44 days ago | Updated 18 hours ago

System Administrator II

General Dynamics Information Technology

•

Maryland, 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: Communication, Information Systems, Operating Systems (OS), System Security, Systems Software Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: #ITPolyMD Provide support for implemen
Posted 40 days ago | Updated 21 hours ago

Software Development Engineer

Micron Technology, Inc.

•

Manassas, Virginia, USA

Full-time

Our vision is to transform how the world uses information to enrich life for all. Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. Configure, develop, maintain and support Micron and third party applications. Create and analyze software specifications, and research, design, document, modify, and support software throughout the
Posted 8 days ago | Updated 11 hours ago

Mid Software Engineer

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0220998 Software Engineer, Mid The Opportunity: Are you looking for an opportunity to combine your te chn ical skills with big-picture thi nk ing to serve as the lead to modernizing a client-critical mission system? You'll have the chance to contribute to transitioning mission data flows from legacy systems to a modernized data flow architecture, defining te chn ical and process improvements to achieve improved mission performance and compliance, and defining improved decision logi
Posted 30 days ago | Updated moments ago

Mid System Software Developer

Booz Allen Hamilton

•

Quantico, Virginia, USA

Full-time

Job Number: R0221239 System Software Developer, Mid The Opportunity: As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to help create a system that will make a difference, we need you on our team. We're looking for a developer like you with the skills needed to develop software and systems from vision to production-ready. This role is more than just coding. As a
Posted 23 days ago | Updated moments ago

Dev Ops Engineer - Senior

Jacobs

•

Washington, District of Columbia, USA

Full-time

Amentum is searching for a Top-Secret cleared Dev Ops Engineer (Senior) to join our team in Washington, DC. You will be working in an organization that's mission is to accelerate operations through data and new analytical insights. In this role you will support ongoing maintenance of multiple Virtual Private Clouds across enclaves, including managing backups, patching, upgrades, developer workstations, monitoring, and overall security posture. The entire section leverages agile and works to pro
Posted 60+ days ago | Updated 10 hours ago

System Administrator

Kriaanet Inc

•

Remote

Full-time

Job Title:Systems administrationLocation: Honolulu, HI - REMOTEDuration: Long TermJob Description:Provide support for Microsoft Windows Active Directory infrastructure including domain controllers, file servers and Dynamic Host Configuration Protocol (DHCP) servers.Provide integration support for Red Hat Linux server and workstation infrastructure.Lead enterprise Windows configurations for NWS PR.Upgrade systems to the latest Microsoft operating system (OS) version.Provide support for Microsoft
Easy Apply
Posted 25 days ago | Updated 3 days ago

Systems Administrator

Credence Management Solutions

•

McLean, Virginia, USA

Full-time

Overview Credence is one of the largest privately held technologies services company in the country, repeatedly recognized as a top place to work, and have been on the Inc. 5000 Fastest Growing Private Companies list for the last 12 years. We practice servant leadership and believe that by focusing on the success of our clients, team members, and partners, we all achieve greater success. At Credence, we support our clients' mission-critical needs, powered by technology. We provide cutting-edge s
Posted 25 days ago | Updated 8 hours ago

Systems Administrator

American Systems Corporation

•

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
Posted 7 days ago | Updated 11 hours ago

CyberArk Engineer - Mid

SAIC

•

Washington, District of Columbia, USA

Full-time

Job ID: 2506807 Location: WASHINGTON, DC, US Date Posted: 2025-06-18 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: No Description Step into the role of a Mid-Level CyberArk Engineer, where you will play a crucial supporting role in enhancing the Department of Transportation's (DOT) cybersecurity infrastructure. Working alongside s
Posted 23 days ago | Updated 9 hours ago