Linux Jobs in District of Columbia

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241 - 260 of 1,665 Jobs

Principal Cyber Security Developer

ManTech

•

Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Principal Cyber Security Developer to join our team in Chantilly, VA. Principal Cyber Security Developers ensure excellence in the development and delivery of cyber security software solutions. They actively develop, test, and deploy high-quality cyber solution components according to provided requirements. This role requires a professional who thrives both in collaborative team settings and when working independently. Responsibilities inc
Posted 30 days ago | Updated 7 hours ago

Systems Engineer

TEKsystems c/o Allegis Group

•

Fort Belvoir, Virginia, USA

Full-time

This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret) Because an active or interim DoD clearance is required, U.S. Citizenship is required Description TEKsystems' Customer is seeking a SME Systems Engineer to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Di
Posted 4 days ago | Updated 4 hours ago

Network/Systems Administrator 4

Govcio LLC

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Washington, District of Columbia, USA

Full-time

Overview: GovCIO is currently hiring for a Systems Administrator to design, implement, and maintain the OS environments for the Pension Benefit Guaranty Corporation (PBGC) IT Infrastructure Support Services (ITIS). This position will be located in DC and will be an onsite position. This position is contingent upon award. Responsibilities: Experience designing, implementing, and maintaining the OS environments for Federal agencies. Skillsets include OS performance, reliability, and security by c
Posted 60+ days ago | Updated 5 hours ago

Network Engineer- Hybrid Manassas, VA

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

Network Engineer We are looking for a knowledgeable and committed Network Engineer to join our team in supporting both internal operations and government-sector clients. The ideal candidate will bring proven expertise in designing, implementing, and managing complex networks, with a strong focus on security and regulatory compliance. This role requires close collaboration with cross-functional teams to deliver secure, resilient, and high-performance network solutions. The company is located in M
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Posted 51 days ago | Updated 4 hours ago

Software Engineer

SilverEdge

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Columbia, Maryland, USA

Full-time

Overview SilverEdge is a premier provider of innovative cyber, software and intelligence solutions addressing everyday challenges to meet mission goals across the DOD and Intel Communities and beyond. We are seeking a software engineer to join our team on a mission focused program. Some of your daily duties will include: Take ownership of complex features and contribute to the design and development of a high-impact, full-stack software platform. Architect scalable, maintainable solutions using
Posted 36 days ago | Updated 7 hours ago

Junior Software Developer

Leidos

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Lorton, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector combines technology-enabled services and mission software capabilities in the area
Posted 53 days ago | Updated 7 hours ago

Software Engineer, Lead

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 Lead Software Engineer with AMERICAN SYSTEMS you will have the opportunity to do the following: Work across cloud and on-premises environments using the lates
Posted 22 days ago | Updated 7 hours ago

Senior cryptographic embedded software developers

Parsons Services Company

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Centreville, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Our group is looking for motivated Senior cryptographic embedded software developers
Posted 8 days ago | Updated 7 hours ago

Senior Network Engineer - TS/SCI w/Poly

Jacobs

•

Annapolis, Maryland, USA

Full-time

Your Impact: Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Senior Network Engineer to join our team of passionate individuals in Annapolis Junction, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. As the lead of technical efforts across organizations, you will manage the overall operational health of a cus
Posted 3 days ago | Updated 7 hours ago

Applications Programmer

The Squires Group, Inc

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Manassas, Virginia, USA

Full-time

Overview We are seeking two experienced Applications Programmers to support a major federal High Performance Computing (HPC) initiative as part of a competitive proposal effort. The work supports the next-generation Weather and Climate Operational Supercomputing System (WCOSS ) for the National Oceanic and Atmospheric Administration (NOAA). This is an exciting opportunity to join a high-profile, multi-year program supporting two Cray supercomputers capable of a combined 29 petaflops - ranked am
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Posted 31 days ago | Updated 5 hours ago

Systems Admin - Senior - Placement

Apex Systems

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Odenton, Maryland, USA

Full-time

Job#: 2081128 Job Description: - Sr. Active Directory / VDI System Administrator - ** $130,000 - $135,000 **(Ft. Meade, MD) Apex Systems has an Immediate Need for a Sr. VDI / Active Directory System Administrator at Ft. Meade in Maryland !! This will be an "est. 6 Month Contract to Permanent Hire" opportunity, supporting one of our Largest DoD / Government Clients on the East Coast & Nationwide! Please See Below for all Position Details & How To Apply. HOW TO APPLY Email a Resume to: - Job
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Posted 23 days ago | Updated 8 hours ago

Software Engineer With Poly Early to Mid

Lockheed Martin

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Maryland, USA

Full-time

Job ID: 688056BR Date posted: Jun. 10, 2025 Description:THE WORK This role collaborates with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This role involves supporting the development of data analytics solutions and contributing to agile development projects. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligence.
Posted 19 days ago | Updated 16 hours ago

Software Engineer With Poly Early to Mid

Lockheed Martin

•

Maryland, USA

Full-time

Job ID: 688056BR Date posted: Jun. 10, 2025 Description:THE WORK This role collaborates with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This role involves supporting the development of data analytics solutions and contributing to agile development projects. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligence.
Posted 19 days ago | Updated 1 hour ago

Data Scientist/Solutions Engineer (TS/SCI)

Maxar Technologies Holdings Inc

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Herndon, Virginia, USA

Full-time

Please review the job details below. Maxar is seeking a Data Scientist / Solutions Engineer to work in an agile and fast paced customer environment supporting users whose mission is to solve unique and challenging problems in support of national security. The ideal candidate will be part of a small multi-disciplinary big data analytics team and have the unique opportunity to interact directly with users and other technologists to ensure solutions, development and tools meet the needs of the cus
Posted 8 days ago | Updated 7 hours ago

Signal Processing Engineer

Leidos

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Arlington, Virginia, USA

Full-time

Today, Electronic Warfare (EW) is a growing enterprise - protecting the warfighter and our national security against ever-adapting threats. The Leidos Innovations Center (LInC) at Leidos currently has an opening for a Signal Processing Engineer to support EW programs in Arlington, VA or San Diego, CA. As part of our team, you will focus on improving the robustness and efficacy of sensors and signals in complicated environments. More broadly, you will advance the state of the art in research and
Posted 36 days ago | Updated 7 hours ago

Sr. Mathematics and Astrodynamics Engineer - TS/SCI Clearance Required

LMI Government Consulting (Logistics Management In

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Chantilly, Virginia, USA

Contract

Overview LMI is seeking a Senior Mathematics and Astrodynamics Engineer in Chantilly, VA to join a dynamic team providing support to an Intelligence Community client. The Sr. Mathematics and Astrodynamics Engineer is proficient on methods for determining the position of objects with uncertain information, translating this information between different frames of reference, accounting for systematic and random noise, propagating these positions into future states based on complex force models, an
Posted 4 days ago | Updated 4 hours ago

Technical Collections Engineer/Analyst_Jr. Level

Nightwing

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Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 35 days ago | Updated 7 hours ago

Test Engineer SME

Leidos

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Bethesda, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Test Engineer (SME) in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, F
Posted 6 hours ago

AI Systems Engineer - Active Top Secret Required

General Dynamics

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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, Troubleshooting Certifications: None Experience: 17 + years of related experience ship Required: Yes Job Description: We are seeking a highly skilled, self-motivated, and resource
Posted 55 days ago | Updated 7 hours ago

Systems Administrator/Integrator

PANGIAM a BigBear.ai Company

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Columbia, Maryland, USA

Full-time

Overview BigBear.ai is seeking a System Administrator/Integrator to administer and maintain critical systems and provide prompt solutions to ensure smooth operations for the customer. This position supports a high visibility project for a data analytics team on-site at a customer facility. What you will do Apply IAVA/IAVM compliance and security patches across Windows and Linux systems in a timely and controlled manner.Collaborate with cybersecurity teams to identify applicable patches and mit
Posted 1 day ago | Updated 4 hours ago