Windows Linux Systems Engineer Jobs

1 - 20 of 2,408 Jobs

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

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Fort Belvoir, 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: Linux, System Administration, Windows Applications Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology (GDIT) is looking for a skilled IT Syste

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

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Fort Belvoir, Virginia, USA

Full-time

Unix Linux Systems EngineerJob Title - Unix Linux Systems Engineer

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2508077 Location: WASHINGTON, DC, US Date Posted: 2025-07-30 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Public Trust Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: No Description Position Overview: We are seeking a highly skilled UNIX/LINUX System Engr - Mid with 5 or more years of experience in infrastructure engineering and operation. This role involves

Sr. Linux Systems Engineer - Active ClearanceJob Title - Sr. Linux Systems Engineer - Active Clearance

Aduril IndustriesCompany Name - Aduril Industries

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Washington, District of Columbia, 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

Windows / Linux Systems Administrator - REMOTE (ship required)Job Title - Windows / Linux Systems Administrator - REMOTE (ship required)

Oracle CorporationCompany Name - Oracle Corporation

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Remote

Full-time

Job Description Building off our Cloud momentum, Oracle has formed a new organization - Oracle Health Applications & Infrastructure. This team will focus on product development and product strategy for Oracle Health, while building out a complete platform supporting modernized, automated healthcare. This is a net new line of business, constructed with an entrepreneurial spirit that promotes an energetic and creative environment. We are unencumbered and will need your contribution to make it a w

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

General DynamicsCompany Name - General Dynamics

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Fort Belvoir, Virginia, USA

Full-time

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

Govcio LLCCompany Name - Govcio LLC

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Full-time

Overview: GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is in Washington, DC and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an active Se

Network Systems Engineer - Secret Clearance-Linux/WindowsJob Title - Network Systems Engineer - Secret Clearance-Linux/Windows

Liberty Personnel, IncCompany Name - Liberty Personnel, Inc

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Horsham, Pennsylvania, USA

Full-time

Network Systems Engineer - Secret Clearance- Linux/Windows Join a dynamic and innovative technology company where your skills will be challenged, and creativity is welcomed. We offer a collaborative work environment focused on problem-solving with cutting-edge technologies. This role provides the perfect platform for individuals eager to make a tangible impact and grow in their field while supporting a diverse range of critical projects. **Key Qualifications:** - Secret clearance required, with

Linux and Windows Systems Administrator | REMOTE (ship required)Job Title - Linux and Windows Systems Administrator | REMOTE (ship required)

Oracle CorporationCompany Name - Oracle Corporation

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Remote

Full-time

Job Description Building off our Cloud momentum, Oracle has formed a new organization - Oracle Health & Analytics. This team will focus on product development, operations and product strategy for Oracle Health, while building out a complete platform supporting modernized, automated healthcare. This is a net new line of business, constructed with an entrepreneurial spirit that promotes an energetic and creative environment. We are unencumbered and will need your contribution to make it a world c

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

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

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is in Washington, DC and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an active Sec

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

Govcio LLCCompany Name - Govcio LLC

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Full-time

Windows And Linux EngineerJob Title - Windows And Linux Engineer

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

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Charlotte, North Carolina, USA

Full-time

Description Locations: Charlotte, NC / Plano, TX / Kennesaw, GA (onsite 3 days a week) Windows Engineer: -Windows OS experience -load balancing and storage experience -networking and database knowledge -PowerShell scripting -JIRA and Agile / Scrum experience is a nice to have Linux Engineer: -bash scripting experience -load balancing, storage, and network experience -JIRA and Agile / Scrum experience is a nice to have Day to day: These resources will be liaison between different techni

Linux/Windows Senior Systems AdministratorJob Title - Linux/Windows Senior Systems Administrator

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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San Diego, California, USA

Full-time

Job Description WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING At Lockheed Martin, we're revolutionizing the aerospace and defense sector through groundbreakin

Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, COJob Title - Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, CO

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Highlands Ranch, Colorado, USA

Full-time

Job Description Lockheed Martin's Enterprise Business & Digital Transformation (EBDT) organization employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries.

Sr. System Admin (Windows and Linux) Only w2 candiadtesJob Title - Sr. System Admin (Windows and Linux) Only w2 candiadtes

Nasscomm, Inc.Company Name - Nasscomm, Inc.

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Remote

Contract

Operating System Specialist o Candidates with experience across multiple platforms specifically Unix, Windows, and Tomcat administration are preferred. o The client believes that historically they were siloed and specialized, but he believes for this request he does not need specialists in a particular tech but someone who has experience with all 3 technologies. Required Skills General knowledge of the skills listed below, with a named specialty in one or more skill areas: Unix/Linux server admi

Systems Administrator - Linux/WindowsJob Title - Systems Administrator - Linux/Windows

GovCIOCompany Name - GovCIO

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Remote

Full-time

Overview Provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is hybrid with periodic customer site work activities. Must be willing to work nights, have a Security+ certification, and an active Top Secret clearance. Responsibilities Position Description: In this role you will: Pr

System Administrator / Windows and Linux / Consulting Experience RequiredJob Title - System Administrator / Windows and Linux / Consulting Experience Required

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Windsor, Connecticut, USA

Full-time

This fast-growing managed service provider is looking for a System Administrator to join their highly technical team. This person will be hands on with both Linux and Windows configurations and act as a general jack-of-all-trades for IT infrastructure. This is a great opportunity to work with a great culture and broaden your existing technical skills! This is a full-time role that is flexible hybrid in the Middletown CT area, so only local candidates will be considered. ship is required. Ideal c

X11/X-Windows/Linux Software DeveloperJob Title - X11/X-Windows/Linux Software Developer

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Boston, Massachusetts, USA

Full-time

Job Description A leading aerospace and defense technology company is seeking an experienced X Windows / X11 Linux Software Developer to support mission-critical applications used in high-performance, real-time environments. This full-time role offers a hybrid work structure, with opportunities to collaborate on advanced systems that support air traffic control, defense, and other complex operational domains. As an X11 developer, you'll contribute to the maintenance and evolution of mature grap

Linux/Windows System AdministratorJob Title - Linux/Windows System Administrator

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Moorestown, New Jersey, USA

Full-time

Job Description WHAT WE'RE DOING The AEGIS O&M program is seeking a Linux/Windows System Administrator in Moorestown NJ. This facility houses both Navy and Lockheed Martin personnel. It primarily serves as a research and development facility for the AEGIS Combat System. AEGIS is a revolutionary naval air defense system capable of guarding against missile threats from land, sea and air. WHO WE ARE Our current team handles everything from: Periodically travelling to different customer sites ar