linux administrator jobs in washington, dc

Chantilly, Virginia

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Today

MANTECH seeks a motivated, career and customer-oriented Staff Security Engineer to join our team in Chantilly, VA. You will support system security architecture and assurance by helping to implement robust cybersecurity frameworks, assess risk, and support system compliance activities. By leveraging your strong technical background, you will support the improvement and sustainment of mission-driven IT solutions that enable secure enterprise operations. In this role, you will assist architects a

Full-time

Advanced Test Engineer

Manassas, Virginia

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Today

Basic Qualifications Requires a Bachelor's degree in Engineering, or a related Science, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. CLEARANCE REQUIREMENTS:: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to t

Full-time

USD 105,814.00 - 117,387.00 per year

CND Analyst/Auditors and Engrineers (Majestic)

Springfield, Virginia

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2d ago

{"description": "Requisition Number: 27899 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $76,164.00 - $180,000.00 Security Clearance: TS/SCI Level of Experience: Mid This opportunity resides with Warfare Systems (WS) , a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within our nation's intelligence and cyber operations communities to defend

Full-time

USD 76,164.00 - 180,000.00 per year

Senior Full Stack Developer - TS/SCI with Polygraph

Chantilly, Virginia

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Today

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: Software Engineering Job Qualifications: Skills: Software Development Life Cycle (SDLC), Software Updates, Spring Boot, Testing Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a Seni

Full-time

USD 137,700.00 - 186,300.00 per year

Mid-level Full Stack Software Engineer

Herndon, Virginia

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Today

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what's happening now and shape what's coming next. Vantor is a place for problem solvers, changemakers, and go-getters-where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can: Shape your own future, build the next big thing, and change the world. This position requires a

Full-time

USD 125,000.00 - 145,000.00 per year

McAfee HBSS Engineering & Administration, TS/SCI with Polygraph

Chantilly, Virginia

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Today

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: Cyber and IT Risk Management Job Qualifications: Skills: Host Intrusion Prevention System (HIPS), McAfee HBSS, Vulnerability Assessments Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: We are seeking highly motivated engineers wi

Full-time

USD 142,792.00 - 184,000.00 per year

Senior Cloud Systems Administrator

Upper Marlboro, Maryland

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Today

Job ID: 2611897 Location: Upper Marlboro, MD, US Date Posted: 2026-04-27 Category: Information Technology Subcategory: Cloud Comp Engr 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: ORA_HYBRID Description SAIC is seeking a highly motivated Senior Cloud Systems Administrator to join our expanding, multi-disciplined team of professionals at our Identity and Data Sciences Labor

Full-time

USD 80,001.00 - 120,000.00 per year

CNO Python Software Engineer

Maryland

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Today

MANTECH seeks a skilled and mission-focused CNO Python Software Engineer to join our team in Hanover, MD. In this role you will be providing specialized testing and evaluation capabilities tailored to system functions. You?ll be part of a dynamic team working on next-generation solutions that safeguard our national security systems. Responsibilities include, but are not limited to: Ability to demonstrate solid knowledge of application containerization using Docker and KubernetesPerforming syst

Full-time

Data Scientist

Fort Meade, Maryland

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Today

Job Number: R0234834 Data Scientist The Opportunity: As a data scientist, you're excited at the prospect of unlocking the secrets held by a data set, and you're fascinated by the possibilities presented by IoT, machine learning, and artifi cia l intelligence. In an increasingly connected world, massive amounts of structured and unstructured data open new opportunities. As a data scientist at Booz Allen, you can help turn these complex data sets into useful information to solve global challenges.

Full-time

USD 77,600.00 - 176,000.00 per year

Data Scientist

Fort Meade, Maryland

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Today

Job Number: R0234833 Data Scientist The Opportunity: As a data scientist, you're excited at the prospect of unlocking the secrets held by a data set, and you're fascinated by the possibilities presented by IoT, machine learning, and artifi cia l intelligence. In an increasingly connected world, massive amounts of structured and unstructured data open new opportunities. As a data scientist at Booz Allen, you can help turn these complex data sets into useful information to solve global challenges.

Full-time

USD 77,600.00 - 176,000.00 per year

SUPERVISORY IT SPECIALIST (ENTERPRISE ARCHITECTURE)

Quantico, Virginia

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5d ago

Summary This is a public notice flyer to notify interested applicants of anticipated vacancies. Applications will not be accepted through this flyer. Interested applicants must follow the directions in the "How to Apply" section of this flyer to be considered. There may or may not be actual vacancies filled from this flyer. Notice of Result letters will not be sent to applicants who respond to this flyer. Learn more about this agency Duties Help You will install, configure, test, operate, m

Full-time

USD 121,785.00 - 158,322.00 per year

Systems Administrator-FT Belvoir

Fort Belvoir, Virginia

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Today

Job#: 3029150 Job Description: Systems Engineer Location: Ft. Belvoir, VA Clearance required: TS/SCI with CI or FS POLY Shift: 24x7 environment with rotating shifts In this role you will: Have growth opportunities where you can make a difference to a very important mission. Join one of the portfolio's Agile (scrum) teams. Be involved in investigation into ad hoc issues and analyze and resolve complex mission problems. Responsibilities: Own enterprise systems end-to-end, from deployment throu

Easy Apply

Full-time

Senior AI Software Engineer

Laurel, Maryland

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Today

Job Number: R0238008 AI Software Engineer, Senior The Opportunity: As an AI sof t war e engineer, you know that good sof t war e is more than just a nice-looking interface + data. Today, you need to develop user-focused solutions that increase organizational efficiency and enable better decision-making. Booz Allen is the leading provider of AI services to the nation-we're looking for a sof t war e engineer like you to create artifi cia l intelligence and machine learning solutions that help sol

Full-time

USD 86,800.00 - 198,000.00 per year

Security Software Engineer - Crypto Services

Washington, District of Columbia

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Today

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

Full-time

USD 146,000.00 - 220,000.00 per year

Full-Stack Software Developer - TS/SCI w/Polygraph

Herndon, Virginia

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Today

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: Software Engineering Job Qualifications: Skills: Agile Framework, Angular, Full-Stack Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Own the opportunity as a Full-Stack Software Developer and help ensure the mission is never inte

Full-time

USD 161,500.00 - 218,500.00 per year

Lead Data Engineer

Washington, District of Columbia

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Today

Job Number: R0237065 Data Engineer, Lead The Opportunity: Ever-expanding technology like IoT, machine learning, and artificial intelligence means that there's more structured and unstructured data available today than ever before. As a data engineer, you know that organizing data can yield pivotal insights when it's gathered from disparate sources. We need an experienced data professional like you to help our clients find answers in their data to impact important missions-from fraud detection to

Full-time

USD 99,000.00 - 225,000.00 per year

Software Engineer with Poly SR SWE2

Annapolis, Maryland

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Today

Job Description THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data analytics and agile development projects, as well as collaborating with cross-functional teams to drive mission objectives. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company th

Full-time

USD 150,800.00 - 265,880.00 per year

Senior Systems Administrator

Herndon, Virginia

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Today

Senior Systems Administrator Why This is an Exciting Role: The Boeing Defense, Space & Security (BDS) organization, Intelligence Systems portfolio, is seeking a DevOps Developer to join our Mission Operations team in Herndon, VA. Our team focuses on delivering complex solutions in some of the most challenging environments on Earth. We provide support for our Mission Operations Portfolio area which design, build, test, deploy, operate, and maintain a wide variety of mission critical platforms an

Full-time

USD 168,000.00 - 206,000.00 per year

Systems Administrator

Herndon, Virginia

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Today

Systems Administrator Why This is an Exciting Role: The Boeing Defense, Space & Security (BDS) organization, Intelligence Systems portfolio, is seeking a DevOps Developer to join our Mission Operations team in Herndon, VA. Our team focuses on delivering complex solutions in some of the most challenging environments on Earth. We provide support for our Mission Operations Portfolio area which design, build, test, deploy, operate, and maintain a wide variety of mission critical platforms and syste

Full-time

USD 109,000.00 - 133,000.00 per year

Full Stack Developer - TS/SCI with Polygraph Required

Washington, District of Columbia

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Today

Overview LMI is currently seeking a qualified Full Stack Developer in support of our Defense Intelligence client in Washington, D.C. The ideal candidate will bring experience in multiple development technologies and methodologies as well as strong process transformation skills to enhance the team's capabilities. Relevant experience for this role may include any or all the following: software development, cloud engineering, management consulting, implementing software code, and debugging technic

Contract

USD 165,000.00 - 185,000.00 per year

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linux administrator jobs in Washington, DC, USA