Linux System Administrator Jobs in Washington, DC

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Senior Software Engineer, Embedded Linux (Hybrid-Puerto Rico)

RTX Corporation

Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-05-09 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Collins Aerospace has an exciting opportunity for an experienced Software Engineer. In this

Sr Principal Systems Engineer - LINUX - Active Top Secret Required

General Dynamics Information Technology

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management Certifications: CompTIA - Security+ CE - CompTIA Experience: 15 + years of related experience ship Required: Yes Job Description: Senior Principal Systems Engineer - Linux Design,

Sr Principal Systems Engineer - LINUX - Active Top Secret Required

General Dynamics Information Technology

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Complex Systems, Microsoft Windows Server, Systems Engineering, Systems Management Certifications: CompTIA - Security+ CE - CompTIA Experience: 15 + years of related experience ship Required: Yes Job Description: Senior Principal Systems Engineer - Linux Design,

Principal Architect - LINUX - Active Top Secret Required

General Dynamics Information Technology

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Red Hat Enterprise Linux (RHEL), Systems Architecture, Systems Engineering, Systems Management Certifications: CompTIA - Security+ CE - CompTIA Experience: 10 + years of related experience ship Required: Yes Job Description: Principal Architect - Linux Seize your

Principal Architect - LINUX - Active Top Secret Required

General Dynamics Information Technology

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Red Hat Enterprise Linux (RHEL), Systems Architecture, Systems Engineering, Systems Management Certifications: CompTIA - Security+ CE - CompTIA Experience: 10 + years of related experience ship Required: Yes Job Description: Principal Architect - Linux Seize you

Remote System Admin | Linux Engineer | Unix Engineer or Windows System Engineer

Diversified Technology, Inc.

Remote

Third Party, Contract

Linux Systems Engineerwith experience inAdministrationfor a one year(with possibility of extension) Must work on our W2 The Systems Engineer ESP supports our Enterprise Server Platforms. The incumbent must have knowledge of server(Windows or Linux) administration, configuration, troubleshooting, security, scripting, and networking. Strong communication and documentation skills are required as the candidate will typically be working with customers for support and new initiatives. Principal Acco

Linux Systems Engineer

General Dynamics Information Technology

Springfield, Virginia, USA

Full-time

Type of Requisition: Pipeline 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: Kubernetes, Linux, Systems Engineering Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Linux Systems Engineer A Linux Systems Engineer is responsible for building and automatin

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin Corporation

Remote or Littleton, Colorado, USA

Full-time

Job Description Our 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 employees work with our partners around the world to bring the latest technology 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. This Enterprise Operations (EO) position supports the Lockheed Marti

Linux Systems/Elastic & Application Support Engineer

InfoVision, Inc.

Remote

Contract

We are looking for Application Support Engineer with our direct client. Title:Linux Systems/Elastic & Application Support Engineer Duration: 12 months Location: Remote Job Description: Our Global Technology Solutions group is looking for a Senior Systems & Software Engineer to lead and collaborate with portfolio teams across all LOBs to support a framework that combines engineering and application development to drive operational stability. The ideal candidate will collaborate with the core t

Linux Systems Software Engineer

Yoh - A Day & Zimmerman Company

Remote or Sunnyvale, California, USA

Full-time

Linux Systems Software Engineer Required: Bachelor's degree in Computer Science, Computer Networking, Electrical Engineering, or a closely related field. Minimum of 5 years' experience developing system-level software in Linux-based environments, ideally within telecommunications, ISP, or networking industries. Strong programming proficiency in Golang, Python, and C/C++, with proven experience writing both core applications and unit/regression tests. Advanced understanding of multi-threaded prog

Embedded Linux Engineer - Network Switch

Yoh - A Day & Zimmerman Company

Remote or Mountain View, California, USA

Full-time

Embedded Linux Engineer Network Switch Overview: We are seeking a highly skilled Embedded Linux Engineer with deep expertise in enterprise and automotive-grade network switch technologies. This role focuses on supporting in-vehicle network infrastructure, including central and peripheral switches, with an emphasis on Linux kernel and userspace development. Key Responsibilities:Develop and maintain Linux drivers for network devices, including board support packages (BSP) and low-level driver int

Sr., Java Full Stack Developer (with SSO and RedHat open shift must)

OpTech

Remote

Contract

OpTech is seeking for Sr., Full Stack Developer with SSO and Redhat experience for their Direct Client. 100% Remote (in Eastern hours).6 months contract.Only W2, No Transfer or sponsorship or C2C allowed,Pay Rate - $63/hour on W2.Required Skills: * Java J2EE * ThymeLeaf preferred (other UI framework acceptable) * Spring boot * MERN stack * Red Hat Open shift platform * SSO. OpTech is an equal opportunity employer and is committed to creating a diverse environment. All qualified applicants will r