Linux Administration jobs in Fairfax, VA

Chantilly, Virginia

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Today

Job ID: 2618227 Location: Chantilly, VA, US Date Posted: 2026-10-21 Category: Information Technology Subcategory: Network Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 25% of the time Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a highly skilled and motivated Senior Network Engineer to join our team in providing technical support to a dynamic program encompassing the

Full-time

USD 200,001.00 - 240,000.00 per year

Software Engineer (Part-Time)

Chantilly, Virginia

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Today

Job ID: 2617154 Location: Chantilly, VA, US Date Posted: 2026-09-22 Category: Software Subcategory: SW Engineer Schedule: Part-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Software Engineer (Part- Time). The Software Engineer will assist in the evaluation, system design, and software engineering support to transition, primarily open source, softwa

Full-time

USD 160,001.00 - 200,000.00 per year

Mid DevOps Engineer

Hybrid in McLean, Virginia

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Today

Job Number: R0251641 DevOps Engineer, Mid The Opportunity: As a DevOps engineer, you know how to set up cloud environments and provision computer networking, storage, and virtual networks, ultimately how to "harness the cloud". We're looking for a DevOps infrastructure engineer like you to support our clients as they modernize their IT infrastructures and meet their most challenging missions. As a DevOps infrastructure engineer at Booz Allen, you'll work closely with cloud architects and enginee

Full-time

USD 62,000.00 - 141,000.00 per year

Drupal DevOps Engineer

Hybrid in Washington, District of Columbia

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7d ago

We are seeking a Drupal DevOps Engineer for Web Services who will be responsible for development, maintenance and execution of tools and processes that build and deploy applications. They will also develop, improve, and document build processes and procedures. They will be responsible for software source code, change control, configuration, build, and deployment process for Drupal based applications. The DevOps engineer will be responsible for working with Development team, Linux to lead patch e

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Contract

Depends on Experience

IT Systems Engineer (SE)

Chantilly, Virginia

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Today

Job Title: IT Systems Engineer (SE) Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * We are seeking a highly skilled and motivated IT System Engineer (SE) to join our technical team. As an IT System Engineer, you will be responsible for designing, implementing, and maintaining the infrastructure that powers our operations. Your expertise will ensu

Full-time

USD 113,200.00 - 237,800.00 per year

Cloud Infrastructure Systems Administrator- LINUX Admin

Sterling, Virginia

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Today

Job Title: Cloud Infrastructure Systems Administrator- LINUX Admin Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: We are seeking a highly skilled and experienced Linux admin to work with our dynamic team of IT professionals. The ideal candidate will have experience with cloud environments, an understan

Full-time

USD 86,600.00 - 181,800.00 per year

Networking & Infrastructure Technical Lead

Sterling, Virginia

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Today

Job Title: Networking & Infrastructure Technical Lead Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Outside Continental US * * * The Opportunity: We are seeking a highly skilled and experienced Cloud, Network, and Development Infrastructure Expert to lead our dynamic team of IT professionals. The ideal candidate will have a deep understand

Full-time

USD 131,800.00 - 290,000.00 per year

Senior Cyber Security Engineer

Chantilly, Virginia

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Today

Job Title: Senior Cyber Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: We are seeking a Senior Cyber Security Engineer to join our team in Chantilly, VA. In this role, you will help protect mission-critical enterprise environments by supporting specialized cybersecurity applications, advancing

Full-time

USD 103,800.00 - 218,100.00 per year

Senior DevOps/Platform Engineer

Sterling, Virginia

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Today

Job Title: Senior DevOps/Platform Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 25% Type of Travel: Local * * * The Opportunity: Join our flagship Special Intelligence RDT&E effort supporting Space Force mission readiness as a Senior DevOps/Platform Engineer. We provide the customer's mission processing platform - from hardware to application. You will play a criti

Full-time

USD 131,800.00 - 290,000.00 per year

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

Senior Cloud Engineer

Chantilly, Virginia

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Today

Job Title: Senior Cloud Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: CACI is seeking a driven, innovative, and mission-focused AWS Cloud Engineer to help shape and accelerate our next-generation cloud environments. In this role, you will design and automate modern AWS infrastructure, build resilient cloud-n

Full-time

USD 90,300.00 - 189,600.00 per year

Linux System Administrator

Sterling, Virginia

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Today

Job Title: Linux System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: CACI's National Mission Systems (NMS) group is seeking a highly motivated Linux Systems Administrator tosupport mission-critical environments by ensuring secure, reliable, and scalable infrastructure across cloud and bare-metal

Full-time

USD 103,800.00 - 218,100.00 per year

SATCOM Field Service Engineer

Sterling, Virginia

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Today

Job Title: SATCOM Field Service Engineer Job Category: Engineering and Technical Support Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 75% Type of Travel: Local * * * The Opportunity: CACI is seeking a SATCOM Field Service Representative (FSR) to build, maintain USSF systems. Must have experience installing, repairing, troubleshooting electronic systems, as well as instructor experience to provide instruct

Full-time

USD 84,900.00 - 178,400.00 per year

Senior Linux/Unix Systems Engineer

Hybrid in Washington, District of Columbia

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Today

Job Title: Senior Linux/Unix Systems Engineer Location: Washington, District Of Columbia Type: Contract Compensation: $60-70/hr W2 Work Model: Hybrid (onsite at least 2 times per week) Hours: Monday through Friday, 8:00 a.m. to 5:00 p.m. EST, with occasional overtime, weekend work, or after-hours response to critical outages and scheduled maintenance windows. Security Clearance: able to obtain a Public Trust Clearance Responsibilities Own engineering and architecture decisions for the RHEL and O

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Contract

$61.5

Cybersecurity Consultant (SOAR) [JOB ID 20260922]

Reston, Virginia

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Today

Phoenix Cyber is looking for a Cybersecurity Consultant to join our client delivery team. This position is onsite in Northern Virginia. Requirements: Degree in a STEM related discipline and/or a minimum 5 years of experience2+ years of experience developing with PythonWorking knowledge of scripting languages Bash and PowerShellAt least 3 years of experience in software development with COTS integrationWorking knowledge of one or more programming languages such as C#, JavaScript, or Node.jsExperi

Full-time

USD 150,000.00 - 200,000.00 per year

HPC Infrastructure & Cluster Engineer

Springfield, Virginia

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Today

About INflow Federal - founded in 2013, INflow Federal is a mission-driven small business delivering cutting-edge solutions to the Department of War (DoW) and Joint Force operations across 20+ states. Our strength comes from our people - especially the Veterans who make up over 50% of our workforce. Through our Veteran Outreach Program and employee-first culture, we invest deeply in professional growth, well-being, and innovation. Known for our agility, transparency, and integrity, INflow combin

Full-time

USD 140,000.00 - 195,000.00 per year

HPC Infrastructure & Cluster Engineer - Top Secret

Springfield, Virginia

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Today

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: IT Infrastructure and Operations Job Qualifications: Skills: Cluster Administration, Infrastructure Optimization, Storage Area Network (SAN) Management Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Position Summary We are seeking an Infras

Full-time

USD 119,850.00 - 162,150.00 per year

HPC Infrastructure & Cluster Engineer

Springfield, Virginia

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Today

Overview HPC Infrastructure & Cluster Engineer Springfield, VA Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it's architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and agility of our teams. Our Mission Services division combines enterprise IT, cloud solutions, DevSecOps, syst

Full-time

USD 148,000.00 - 179,000.00 per year

Cybersecurity Engineer [JOB ID 20260828]

Washington, District of Columbia

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Today

Phoenix Cyber is looking for Cybersecurity Engineers to join our client delivery team. Requirements: Degree in a STEM related discipline and/or a minimum 5 years of experiencePrior experience or support of Security Operations and Incident ResponseExcellent understanding of Cyber Security Operations and Incident Response processesIT certifications such as CySA, CEH, etcSecurity clearance required Nice to have: Demonstrated proficiency in cyber security platforms: SOAR, SIEM, IDS/IPS, DLP, WAF, E

Full-time

USD 70,000.00 - 130,000.00 per year

Systems Engineer Expert

Chantilly, Virginia

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Today

Leidos is seeking a Systems Engineer for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Systems Engineer will work with a large team of developers, software engineers and data engineers. The successful candidate will support continuity of our customer's mission by helping to modernize and implement industry standards while ensuring secure, reliable, and unin

Full-time

USD 131,300.00 - 237,350.00 per year

Linux Administration jobs in Fairfax, VA, USA