Ubuntu jobs in Arlington, VA

Cleared Onsite Linux Administrator (5647)

Washington, District of Columbia

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Today

SMX is seeking a driven and talented Linux Administrator to join our thriving Cloud Business Unit department and work with some of the best Architects, Engineers, and Operators in the market. This individual will bring a passion for technology, a strong technical skill set, and an ability to deploy, employ, operate, and sustain Production-ready solutions, software and tools for our customers. This position is on site in Washington, DC five days a week. Essential Duties and Responsibilities: Pos

Full-time

USD 100,000.00 - 125,000.00 per year

Information Systems Security Engineer (ISSE) - Red Hat Enterprise Linux (RHEL)

Arlington, Virginia

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Today

Overview AMERICAN SYSTEMS, a 100% employee-owned federal contractor, is seeking a highly experienced Information Systems Security Engineer (ISSE) to support Red Hate Enterprise Linux systems in a High Performance Computing (HPC) environment in Arlington, VA. This role includes a $10,000 sign-on bonus in addition to a generous compensation package. Responsibilities As an Information Systems Security Engineer (ISSE) at AMERICAN SYSTEMS, you will: Design and implement enterprise-level security

Full-time

USD 165,000.00 per year

Cyber Security Analyst

Alexandria, Virginia

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Today

Job Type Full-time Description Job Title: Cyber Security Analyst Place of Performance: Fort Belvoir, VA Mandatory Requirements: TS/SCI Clearance Experience Level: Mid-Sr Level (5+ years) About JFL Consulting: With more than 20 years of securing some of the U.S. Department of Defense and the Intelligence Community's most critical networks, JFL Consulting, LLC provides advanced network security solutions to a range of US Government and US commercial clients. Our cybersecurity operators are e

Full-time

USD 145,000.00 - 165,000.00 per year

Classified Systems Administrator

Arlington, Virginia

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Today

STR is hiring a Systems Administrator with an Top Secret/SCI with polygraph clearance. Help power the infrastructure behind cutting-edge defense research. At STR, our Information Technology team plays a critical role in enabling the research and development that supports our national security mission. The team brings together experts across Enterprise IT, Classified IT, and Cybersecurity to build and maintain the secure, reliable infrastructure that powers our organization. Our Enterprise IT t

Full-time

USD 105,000.00 - 125,000.00 per year

System Administrator

Rockville, Maryland

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Today

Job Description System Administrator - Rockville, MD Intertek, a leading provider of quality and safety solutions to many of the world's top-recognized brands and companies, is actively seeking a System Administrator to join our Connected World team in Rockville, MD. This is a fantastic opportunity to grow a versatile career in Cybersecurity. Intertek's Connected World solutions provide the services needed to launch and maintain secure, effective products and systems onto the Internet of Thin

Full-time

USD 75,000.00 - 90,000.00 per year

Systems Administrator 3

Bethesda, Maryland

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Today

Requisition ID: 5420Standard Title: Systems AdministratorRequired Security Clearance: Top Secret/SCILocation: Bethesda, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Support the OSINT Integration Center under the DOMEX Technology Platform contract as a Systems Administrator 3 focused on Linux and Windows systems administration, performance optimization, and user support. Essential Duties and Responsibilities Perform Linux and Windo

Full-time

Systems Administrator 1 (NHK - 013)

Fort Meade, Maryland

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Today

Description Serving Maryland and the Greater Washington D.C. area, SageCor Solutions (SageCor) is a growing company bringing complete engineering services and true full lifecycle System Engineering services to areas requiring (or desiring) nationally-recognized expertise in high performance computing, large data analytics and cutting edge information technologies. Active TS/SCI w/ Polygraph required. Required Experience: 3 YOE & B.S. or 8 YOE - IAT II Required Skills: Strictly Linux (RHEL, C

Full-time

Systems Administrator 4

Bethesda, Maryland

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Today

Requisition ID: 5419Standard Title: Senior Systems AdministratorRequired Security Clearance: Top Secret/SCILocation: Bethesda, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Support the OSINT Integration Center under the DOMEX Technology Platform contract as a Systems Administrator 4 focused on Linux and Windows systems administration, performance optimization, and user support. Essential Duties and Responsibilities Perform Linux an

Full-time

GPU Systems Engineer 4

Bethesda, Maryland

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Today

Requisition ID: 5422Standard Title: Senior GPU Systems EngineerRequired Security Clearance: Top Secret/SCILocation: Bethesda, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Support enterprise AI mission systems by designing, developing, and optimizing GPU clusters, with deep focus on operating systems, hardware, GPU platforms, and high-speed networking in a secure customer environment. Essential Duties and Responsibilities Design, c

Full-time

Systems Administrator 2

Bethesda, Maryland

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Today

Requisition ID: 5209Standard Title: Junior Systems AdministratorRequired Security Clearance: Top Secret/SCILocation: Bethesda, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Support the OSINT Integration Center under the DOMEX Technology Platform contract as a Systems Administrator 2 focused on Linux and Windows systems administration, performance optimization, and user support. Essential Duties and Responsibilities Perform Linux an

Full-time

GPU Systems Engineer 3

Bethesda, Maryland

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Today

Requisition ID: 5423Standard Title: GPU Systems EngineerRequired Security Clearance: Top Secret/SCILocation: Bethesda, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Support enterprise AI mission systems by designing, developing, and optimizing GPU clusters, with deep focus on operating systems, hardware, GPU platforms, and high-speed networking in a secure customer environment. Essential Duties and Responsibilities Design, configur

Full-time

Systems Administrator - Level 01 - FULLY CLEARED with POLYGRAPH REQUIRED

Columbia, Maryland

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Today

Linux, Windows, UNIX, RHEL, Kali, Solaris, Ubuntu, CentOS, Debian, Fedora, Mandriva Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position. Required: Must have TS/SCI clearance w/ active polygraphLevel 02 requires five (05) years of direct/relevant experience in programs and contracts of similar scope, type, and complexity is required.Bachelor's degree in a technical discipline from an accredited colle

Full-time

USD 90,000.00 - 120,000.00 per year

Red Hat Engineer (Laurel, MD)

Laurel, Maryland

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Today

**Active TS/SCI w/Polygraph REQUIRED** Please do not apply if you do not currently possess this level of clearance. Telework: None Basic Requirements: 14 years experience as a system engineer Bachelor's degree in a technical discipline 5 additional years of experience as a system engineer may be substituted for a degree Job Description: Daily troubleshooting of Linux, Windows, Red Hat 6, 7, 8, and 9 Operating Systems Providing Ubuntu support Oversee cross-platform virtual machine lifecycles acro

Full-time

Linux Systems Administrator

Sterling, Virginia

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Today

Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI is seeking a hands-on Linux Systems Administrator to join our Infrastructure Team supporting our family of Electronic Warfare (EW) systems. Support our end-to-end Linux environment, including engineering workstations, buil

Full-time

USD 86,600.00 - 181,800.00 per year

Data Engineer - Senior

Reston, Virginia

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Today

Job Description Data Engineer - Senior Reston, VA, United States (On-site) Job Title: Data Engineer - Senior Job Code: ITS954 Location: Reston, VA Reports to: Program Manager FLSA Status: Exempt Supervisory: No supervisory/management authority Prepared Date: 10/5/2026 A government contract requires that this position be restricted to provide documentation that you are a U.S. citizen or legal permanent resident to qualify. This position requires an active Top Secret/SCI clearance with

Full-time

USD 150,000.00 - 175,000.00 per year

DevOps Engineer

Reston, Virginia

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Today

Leidos is seeking a DevOps Engineer (Tier 3) to support a government contract in the National Capital Region (NCR). The ideal candidate will be able to support, maintain, and develop custom software applications and services. The DevOps Engineer (Tier 3) will be responsible for creating, testing, updating, and maintaining source code for custom software applications and services written in various programming languages and implemented in both Windows and Linux Operating System environments. Pri

Full-time

USD 107,900.00 - 195,050.00 per year

Systems & Platform Engineer - TS/SCI

Bethesda, Maryland

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Today

Location: Bethesda, MD Category: Systems Engineer Travel Required: No Remote Type: No Clearance: TS/SCI Sunayu, LLC is looking for a highly skilled platform engineer with deep expertise in operating systems, hardware, GPU, and high-speed networking. In this role, you will design, develop, and optimize Kubernetes clusters that power enterprise AI for the mission customers. This is a 100% on-site position. All work must be performed at the customer site in Bethesda at the Intelligence Community

Full-time

USD 107,900.00 - 195,050.00 per year

DevOps Engineer

Chantilly, Virginia

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Today

Company Description At MAXISIQ, curious minds tackle real-world cyber challenges that matter. Teams develop, test, and secure advanced technology powering today's and tomorrow's missions. We experiment with the latest tools, prototype new solutions, and see projects go from concept to action. You will apply technical expertise to projects requiring rapid prototyping, secure integration, and the development of actionable solutions for clients who depend on leading-edge capabilities. Creative pro

Full-time

Cloud Systems Engineer

Tysons, Virginia

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Today

We are seeking a Cloud Systems Engineer to support and operate large-scale AI and high-performance computing (HPC) environments. This role will be responsible for the deployment, maintenance, performance, and lifecycle management of GPU-accelerated compute infrastructure that powers critical AI, machine learning, and data-intensive workloads. The ideal candidate is a hands-on infrastructure professional with strong Linux administration skills, deep hardware troubleshooting experience, and exper

Full-time

USD 100,000.00 - 135,000.00 per year

Platform Engineer

Bethesda, Maryland

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Today

Requisition ID: 5276Standard Title: Required Security Clearance: Top Secret/SCILocation: Bethesda, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking a Platform Engineer to design, develop, and optimize Kubernetes platforms supporting enterprise artificial intelligence capabilities for mission customers. The role requires deep expertise in operating systems, hardware, GPUs, and high-speed networking and is pe

Full-time

Ubuntu jobs in Arlington, VA 22203, USA