linux administrator Jobs in washington, dc

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System Administrator, Senior

SilverEdge

•

Maryland, USA

Full-time

Overview SilverEdge is seeking a Senior System Administrator to serve for a closed restricted network and support other DoD guest systems at various classification level. Tasks include performing installation, troubleshooting and other administrative tasks associated with ongoing maintenance and enhancement of information systems and services. Performs systems planning, management, analysis, integration, installation and training tasks that include all aspects of preparing and implementing a hi
Posted 60+ days ago | Updated 4 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 1 day ago | Updated 4 hours ago

Digital Services Web Server Administrator - TS/SCI w/Poly

General Dynamics

•

Annapolis, 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: Scripting, Web Servers, Web Services Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: #ITPolyMD Digital Services Web Server Administrator Transform technology into opportunity as
Posted 28 days ago | Updated 4 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 27 days ago | Updated 4 hours ago

System Administrator I

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 Technology (IT), Network Components, Operating Systems (OS), Troubleshooting Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: Provides support for implem
Posted 41 days ago | Updated 1 day 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 imple
Posted 42 days ago | Updated 21 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 41 days ago | Updated 1 day 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 3 days ago | Updated 4 hours ago

Sr Analyst Software Information Platforms (SAP BASIS HANA Administrator)

Cardinal Health

•

Ohio, USA

Full-time

Headquartered in Dublin, Ohio, Cardinal Health, Inc. (NYSE: CAH) is a global, integrated healthcare services and products company connecting patients, providers, payers, pharmacists and manufacturers for integrated care coordination and better patient management. Backed by nearly 100 years of experience, with more than 50,000 employees in nearly 60 countries, Cardinal Health ranks among the top 20 on the Fortune 500. What Application Development & Maintenance contributes to Cardinal Health Info
Posted 7 days ago | Updated 4 hours 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 46 days ago | Updated moments ago

Systems Administrator

BlueHalo

•

Annapolis, Maryland, USA

Full-time

At BlueHalo, an AV Company, our Cyber experts operate at the mission's edge. Using advanced cyber techniques, our team of technologist and analysts employ capabilities spanning traditional computing environments to Internet of Things (IoT), including offensive and defensive cyber operations and analysis, signals intelligence (SIGINT) discovery, and data science. Our team is expanding to do the big things that have never been done before - the things the nation and the world are counting on us to
Posted 35 days ago | Updated 4 hours ago

Cyber Software Engineer Stf. - DevOps

Lockheed Martin

•

Fort Meade, Maryland, USA

Full-time

Job ID: 690600BR Date posted: Jul. 07, 2025 Description:This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! code-extrefer WHAT WE'RE DOING Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you'll protect the
Posted 5 days ago | Updated 16 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 45 days ago | Updated 21 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 4 hours ago

Senior Voice Engineer

General Dynamics

•

Arlington, 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: Network Engineering Job Qualifications: Skills: Communication Network, IP Telephony, Telecommunications Network, Telephone System, Voice Networks Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Secure and expertly apply the latest technologies to advance the mission as
Posted 15 hours ago | Updated 4 hours ago

Network Engineer, Senior

BOOZ, ALLEN & HAMILTON, INC.

•

Reston, Virginia, USA

Full-time

Network Engineer, Senior The Opportunity: Are you looking for an opportunity to share your experience in designing, developing, and implementing innovative network security solutions to support our country and protect our nation? As a systems security and network security engineer, you will be responsible for the enterprise deployment of the Gigamon Deep Observability Pipeline and GigaVUE Fabric Manager. We need your experience to oversee the development and implementation of Gigamon and network
Posted 15 days ago | Updated 19 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 41 days ago | Updated 1 day 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 9 days ago | Updated 4 hours ago

Sr Openshift Engineer with Linux and Kubernetes

Keylent

•

Remote

Contract

Sr OpenShift Engineer with Linux and Kubernetes
Easy Apply
Posted 24 days 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 31 days ago | Updated 5 hours ago