linux Jobs in District of Columbia

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System Administrator 3

Realm One

•

Annapolis, Maryland, USA

Full-time

RealmOne is the GOAT - where your career can reach the greatest heights! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join u
Posted 47 days ago | Updated 2 hours ago

Senior ServiceNow Systems Administrator

SAIC

•

Maryland, USA

Full-time

Job ID: 2504648 Location: ANNAPOLIS JUNCTION, MD, US Date Posted: 2025-04-15 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC has an immediate opening for a ServiceNow Administrator in Annapolis Junction, on a very exciting program! In this role you will do many different things
Posted 60+ days ago | Updated moments ago

Senior Software Engineer

General Dynamics

•

Manassas, Virginia, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Software Engineering, or a related Science, Engineering or Mathematics field. Also requires 2+ years of job-related experience or a Master's degree. Agile experience preferred. Must have JavaScript and Kubernetes. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required within a reasonable period. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements
Posted 21 days ago | Updated 2 hours ago

Senior AI/ML Engineer (TS/SCI)

Maxar Technologies Holdings Inc

•

Herndon, Virginia, USA

Full-time

Please review the job details below. We're seeking a Senior AI/ML Solutions Engineer to support mission-driven users working on complex national security challenges. In this agile environment, you'll be part of a small, multi-disciplinary team applying AI/ML and data science to real-world problems and apply them into operations. This role offers direct collaboration with end users and technologists to ensure solutions are impactful, scalable, and mission-aligned. Location: Herndon, VA or Westmi
Posted 5 days ago | Updated 2 hours ago

Systems Administrator / Top Secret / Onsite: Arlington, VA

Lockheed Martin Corporation

•

Arlington, Virginia, USA

Full-time

Job Description The Advanced Concepts Lab (ACL) at Lockheed Martin's Advanced Technology Laboratories (ATL) is seeking an IT Systems Engineer/Systems Administrator with a demonstrated ability to independently develop solutions to systems administration challenges in heterogeneous computing environments. The selected candidate will serve as a system and network administrator for multiple program and internal R&D systems that support the research and development activities carried out by ACL's en
Posted 26 days ago | Updated 2 hours ago

Principal Cybersecurity Analyst

The Squires Group, Inc

•

Arlington, Virginia, USA

Full-time

Overview The Squires Group is seeking an experienced Principal Cybersecurity Analyst with SSB experience to support a critical federal program focused on providing leading cyber and technology security experience to enable innovative, effective, and secure business processes. In this role you will support the Security Standards & Baselines team by streamlining processes, promoting cybersecurity awareness, guiding technical solutions, and ensuring security best practices across IT services and st
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Posted 16 days ago | Updated moments ago

Senior Infrastructure Engineer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

Senior Infrastructure Engineer In this role, you will be responsible for designing, supporting, and maintaining secure network architectures, devices, and communications systems for Industrial Control System (ICS) environments in non-nuclear power plants. Your efforts will support both edge computing and cloud-based infrastructures, contributing to the broader mission of expanding access to reliable renewable energy. The company is located in Herndon, VA and will be a hybrid model. What You Will
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Posted 52 days ago | Updated 11 hours ago

Network Security Engineer

Motion Recruitment Partners, LLC

•

Washington, District of Columbia, USA

Full-time

A North American third-party logistics (3PL) firm is seeking to hire a Network Security Engineer to join their team in the Washington, DC area. With an expansive fleet of trucking, marine, and rail transportation assets, they provide comprehensive logistics solutions to a variety of industries across the United States, Mexico, and Canada. This contract-to-hire role will be directly responsible for administering systems to ensure network security, as well as developing response tactics to mitigat
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Posted 6 days ago | Updated 11 hours ago

DevOps Engineer (Kubernetes) - TS/SCI with Poly REQUIRED

General Dynamics Information Technology

•

Chantilly, Virginia, 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: Software Engineering Job Qualifications: Skills: DevOps, Docker (Software), Kubernetes, Linux, Terraform Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: The DevOps Engineer will manage and administer cloud and on-prem infrastructu
Posted 10 days ago | Updated 11 hours ago

Systems Engineer - Placement

Apex Systems

•

Washington, District of Columbia, USA

Full-time

Job#: 2076124 Job Description: - Systems Engineer (100% on site at the Pentagon) - Apex Systems has an immediate need for a Systems Engineer!! This will be a long term contract opportunity, supporting one of our Largest Government clients! Please see below for all details & how to apply. HOW TO APPLY Send your most up to date resume to Trevor Jones at: - Job Title: Systems Engineer - Location: 100% on site at the Pentagon - Duration: Long term contract - Pay Range: $65 - $75 per hour co
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Posted 56 days ago | Updated 2 hours ago

Firewall Administrator

TEKsystems c/o Allegis Group

•

Springfield, Virginia, USA

Full-time

Job Description Role: Firewall Admin Location: Dahlgren, VA (Most people live in Fredericksburg, VA and commute east to Dahlgren) TEKsystems has an immediate opening for a Cisco FTD/Firepower (FMC) Firewall Administrator/Engineer to provide Design and Engineering Operation and Maintenance support for Firewall systems on the classified and unclassified Research, Development, Test and Evaluation (RDT&E) networks at Dahlgren, VA. As the Firewall Administrator, you will design, implement and maintai
Posted 2 days ago | Updated 11 hours ago

System Administrator Level 3

General Dynamics Information Technology

•

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 9 days ago | Updated 1 hour ago

Mobile and Wireless Systems Engineer

Booz Allen Hamilton

•

Chantilly, Virginia, USA

Full-time

Job Number: R0222195 Mobile and Wireless Systems Engineer The Opportunity: Do you enjoy working in a dynamic, fast-paced environment where you can see the impact of your hard work by working directly with the customer and stakeholders? What if you could combine your hands-on technical experience, systems engineering background, and cybersecurity knowledge to design and build secure systems for the customer? We're looking for an engineer who can create solutions for our customer that will stand
Posted 22 days ago | Updated 3 hours ago

Graphic Processing Unit Programmer / GPU Programmer

TekVivid

•

Remote

Contract, Third Party

We are seeking an experienced GPU Virtual Machine Programmer with deep expertise in Linux-based operating systems and virtualization technologies including QEMU, KVM, Linux Kernel, and Libvirt. The ideal candidate will have strong programming skills in C, with proven experience working on low-level system components and GPU virtualization. You will be responsible for enhancing and maintaining our virtualization stack, integrating DO s proprietary services with virtual GPU frameworks, and optimiz
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Posted 30 days ago

Signals Software Engineer 2

Realm One

•

Annapolis, Maryland, USA

Full-time

We're searching for talented individuals who provide intelligence, engineering, and mission management expertise for the Government. This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high-performing team that truly makes a difference, then come join us! Job Description: We are searching for a Signals Software Engineer 2 to support a mission-critical team in designing and coding new softwar
Posted 60+ days ago | Updated 2 hours ago

Server Engineer

CIMA

•

Remote

Contract

NO C2C, Partnerships, 3rd Party, or Referral Submissions will be Accepted Job Title: Server Engineer HCI/Proxmox/Linux Virtualization Specialist Location: Hybrid Cedar Park, Texas Job Type: 3-month Contract Overview: We are seeking a highly independent and experienced Server Engineer to lead the deployment and configuration of a four-node hyper-converged Proxmox cluster leveraging Ceph for VM storage. The ideal candidate will have strong hands-on experience with Linux, virtualization technologie
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Posted 9 days ago | Updated 3 days ago

System Administrator Level 3

General Dynamics Information Technology

•

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 9 days ago | Updated 11 hours ago

Cross Domain Specialist

Booz Allen Hamilton

•

Columbia, Maryland, USA

Full-time

Job Number: R0213714 Cross Domain Specialist The Opportunity: Your te chn ical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the te chn ology supporting the U.S. Federal Government? We're looking for a Cross Domain Spe cia list to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment. As a Cross Domain Spe cia list on our project, you'll constantly look for ways to make the infrastructure b
Posted 60+ days ago | Updated 3 hours ago

Reverse Engineer/Vulnerability Researcher, II - TS/SCI

Parsons Services Company

•

Annapolis, Maryland, 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: Parsons is looking for an amazingly talented Reverse Engineer/Vulnerability Research
Posted 12 days ago | Updated 2 hours ago

Associate Reverse Engineer/Vulnerability Researcher - TS/SCI

Parsons Services Company

•

Annapolis, Maryland, 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: Parsons is looking for an amazingly talented Associate Reverse Engineer/Vulnerabilit
Posted 12 days ago | Updated 2 hours ago