linux Jobs in District of Columbia

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System Administrator-Senior Level

Nightwing

•

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 25 days ago | Updated 6 hours ago

Data Engineer, Regulatory (Starlink)

SpaceX

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Washington, District of Columbia, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. DATA ENGINEER, REGULATORY (STARLINK) SpaceX is leveraging its experience building rockets and spacecraft to deploy Starlink, the world's most advanced broadband internet system. Starlink is the world's largest satellit
Posted 56 days ago | Updated 6 hours ago

Principal Systems Engineer

Leidos

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Fort Meade, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Principal System Engineer 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 ves
Posted 40 days ago | Updated 6 hours ago

Chief Unmanned Systems Robotics Engineer

Leidos

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Arlington, Virginia, USA

Full-time

Leidos, a global technology leader, is seeking a Chief Unmanned Systems Robotics Engineer for our Sea Systems Business Area within our Defense Systems Sector, supporting the Unmanned Surface and Sub-surface Vessels autonomous systems development. As Chief Unmanned Systems Robotics Engineer, you will play a pivotal role in developing our guiding technology strategy and vision for unmanned maritime systems. You will work with our existing and potential customers to define their needs and develop
Posted 58 days ago | Updated 6 hours ago

Systems Administrator Senior (VMware) ? TS/SCI required

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 Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Backups, Disaster Recovery (DR), System AdministrationCertifications: NoneExperience: 10 + years of related experienceship Required: Yes Job Description: Systems Administrator Senior (VMware) ? TS/SCI required Transform technology into
Posted 10 hours ago

System Administrator Level 3

General Dynamics Information Technology

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Maryland, 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, ServiceNow Platform, Unix Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Provides support for implementation, troubleshooting and maintenance of information Technology (
Posted 52 days ago | Updated 1 hour ago

Engineer II, Software Perception (R3554)

Shield AI Inc

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Washington, District of Columbia, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Shield AI
Posted 19 days ago | Updated 6 hours ago

Senior Cybersecurity Data Visualization Specialist (Security Clearance) - Remote Work - Local to DC Metro and FL

ICF

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Remote or Arlington, Virginia, USA

Full-time

ICF International seeks an experienced Senior Cybersecurity Data Visualization Specialist to support the research and development of new cyber analytic capabilities that will help the US protect and defend its networks and critical information systems. The successful cleared candidate will act as a Cybersecurity Data Visualization Specialist to support a large federal cyber security analytic program. Your work will contribute to the knowledge of how cyber-attacks work, how vulnerabilities are ex
Posted 38 days ago | Updated 6 hours ago

Copy of Sr. Technical Support Engineer, US Government, XSOAR (2pm to 11pm Central Time - Late Shift)

PaloAlto Networks

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Reston, Virginia, USA

Full-time

Company Description ** To comply with U.S. federal government requirements, U.S. citizenship is required for this position. ** ** Late shift role (Working Hours 2:00 pm - 11:00 pm Central Time) ** Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging
Posted 4 days ago | Updated 6 hours ago

Cloud Engineer

SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2507750 Location: CHANTILLY, VA, US Date Posted: 2025-07-21 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC's Space & Intel Business Group, USG Mission and Information Technology Division, is seeking a Cloud Developer to accelerate the timely, reliable, and secure delivery of open source data, informa
Posted 1 day ago | Updated 4 hours ago

Mid-Level Network Administrator

Leidos

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Odenton, Maryland, USA

Full-time

The Defense group at Leidos has a career opening for a Mid-Level Network Administrator on a DISA contract. This role is primarily on the customer site at Ft Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Works with limited supervision to perform configuration of assets to include switches, load balancers, routers, and FirewallsPerform routine maintenance, troubleshooting, updates
Posted 34 days ago | Updated 6 hours ago

Software Developer

Leidos

•

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 42 days ago | Updated 6 hours ago

Principal DevSecOps Lead Engineer

Accenture LLP

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Springfield, Virginia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 49 days ago | Updated 6 hours ago

Elasticsearch Engineer

Booz Allen Hamilton

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Arlington, Virginia, USA

Full-time

Job Number: R0221236 Elasticsearch Engineer Key Role: Work with clients and peers to build a high performing system using Elastic to aggregate logs from many systems into a single common schema. Use Elastic Common Schema ( ECS ) formatted fields, create quality visualizations and alerts that analyst can use for threat hunting, maintain infrastructure, and identify problems or anomalous behavior before they become a larger issue and can be actioned on. Work with the vendor to determine best prac
Posted 34 days ago | Updated 7 hours ago

Senior System Engineer

Booz Allen Hamilton

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Fort Meade, Maryland, USA

Full-time

Job Number: R0219964 System Engineer, Senior The Opportunity: Are you looking for an opportunity to combine your te chn ical skills with big-picture thi nk ing to make an impact on national security? As a systems engineer on our team, you'll provide networking, fabrication, security, lab, and deployment support by delivering engineering solutions for network configurations, deployment loading of sof tware, and patching and troubleshooting deployed sof tware and hardware on a variety of servers
Posted 60+ days ago | Updated 7 hours ago

Full Stack Data Software Engineer

Booz Allen Hamilton

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Fort Meade, Maryland, USA

Full-time

Job Number: R0220918 Full Stack Data Software Engineer The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof tware, but to help create a system that will make a difference, we need you on our team. We're looking for a developer like you with the skills needed to develop sof tware and systems from vision to production-ready. This role is more than just coding.
Posted 42 days ago | Updated 7 hours ago

Systems Engineer/Mission Planning Operator

RTX Corporation

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Springfield, Virginia, USA

Full-time

Date Posted: 2025-07-11 Country: United States of America Location: VA144: 7500 Geoint Drive, Springfield 7500 Geoint Drive , Springfield, VA, 22150 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation
Posted 5 days ago | Updated 5 hours ago

Software Developer w/ 508 Compliance Experience-64635

Syneren Technologies

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Vienna, Virginia, USA

Full-time

Job Location: DMV- Some Telework may be approved. Job Description: Syneren is currently seeking Software Developers with 508 Compliance Experience. The ideal candidate thrives in a team atmosphere, takes pride in his/her work, and is committed to a highly proactive, process-driven approach. They should be able to take full responsibility of their work and work independently without supervision. They must have experience working on 508 implementations and/or 508 Certification. Key responsibilitie
Easy Apply
Posted 39 days ago | Updated 4 hours ago

Systems Administrator

Apex Systems

•

Fort Belvoir, Virginia, USA

Full-time

Job#: 2068763 Job Description: CANDIDATES MUST HOLD AN ACTIVE TS/SCI CI POLY AND BE ABLE TO WORK SHIFT WORK TO BE CONSIDERED FOR THE ROLE Systems Administrator Location: Ft. Belvoir, VA Clearance required: TS/SCI with ability to obtain a POLY Shift: See Below $70-$90 an hr/W2 At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world and every day we use our unique skills and experience
Easy Apply
Posted 60+ days ago | Updated 6 hours ago

Sr. Product Engineer - Enterprise Role Servers

Esri

•

Vienna, Virginia, USA

Full-time

Overview Join our team to help build innovative server-based products and solutions that integrate feature, imagery, and video analysis and exploitation into desktop and web experiences for timely geospatial intelligence. Apply your background and expertise to help define, design, and build our capabilities within the ArcGIS Video Server and Mission Server products as a Product Engineer in the Tysons R&D Center. ArcGIS Video Server indexes, searches, publishes, and streams videos as web-enable
Posted 38 days ago | Updated 6 hours ago