Linux Administration jobs in Fairfax, VA

IT System Management Analyst (Linux system administration)

Remote

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Today

Project description Join the Core Service Operations Server Support team responsible for 24x7x365 production and non-production support of a large-scale Unix/Linux environment with 25,000+ virtual and physical servers. The environment includes RHEL, AIX, CentOS, and Solaris platforms and requires strong operational support, security/compliance awareness, and incident resolution capabilities. Shift: Wednesday-Saturday, 4:30 PM-3:00 AM CST, 10 hours/day, 4 days/week. Responsibilities Provide pro

Full-time

Systems Administrator

Chantilly, Virginia

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Today

We are seeking a highly skilled Systems Administrator to support mission-critical systems in a secure environment. The ideal candidate has strong experience with cloud infrastructure, automation, CI/CD, and Linux administration, and thrives in a fast-paced, collaborative, and securityfocused environment. Responsibilities Maintain AWS cloud infrastructure using infrastructure-as-code to ensure scalability, reliability, and security Build and maintain CI/CD pipelines to support fast and reliable

Full-time

DevOps Engineer (UNITED STATES CITIZEN; MUST HAVE AN ACTIVE TOP SECRET CLEARANCE; ONSITE - WASHINGTON, DC)

Washington, District of Columbia

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9d ago

UNITED STATES CITIZEN MUST HAVE AN ACTIVE TOP SECRET CLEARANCE 100% ONSITE - WASHINGTON, DC NO THIRD PARTY VENDORS Salary range is 135-150k/yr. but dependent upon the candidate's skills, experience, education and certifications. Soft Tech offers competitive BENEFITS in the areas of: Medical, Dental, Vision, 401K, Short Term Disability, Long Term Disability, Life Insurance, PTO, and Paid Holidays Soft Tech Consulting is seeking a highly motivated, self-directed individual to fill the role of a D

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Full-time

Depends on Experience

Systems Administrator - Linux

Sterling, Virginia

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Today

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

Full-time

USD 77,000.00 - 163,000.00 per year

Systems Engineer - IT (Top Secret/SCI with CI Poly to start Clearance Required)

Herndon, Virginia

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Today

North Point Technology is looking to hire a Systems Engineer - IT with a DevOps background to support a High Performance Computing Multi-Level Secure enterprise program. This role focuses on initial deployment and ongoing site support for secure, large-scale infrastructure environments. An active Top Secret/SCI clearance with CI Polygraph is required to start. Responsibilities: In this role, you will support the deployment and integration of secure enterprise infrastructure across multiple sit

Full-time

Software Engineer/Integrator

Manassas, Virginia

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8d ago

Job Description Who we are Lockheed Martin is a global leader in aerospace, defense, and technology solutions. Our Manassas campus is a thriving center of engineering expertise, fostering a culture that encourages creativity, excellence, and the creation of exceptional products. Our team is made up of dedicated professionals who are passionate about pushing the boundaries of what's possible. What We're Doing At Lockheed Martin, we're at the forefront of cutting-edge technology and innovation.

Full-time

USD 93,200.00 - 164,450.00 per year

Cybersecurity Engineer [JOB ID 20260804]

Alexandria, Virginia

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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

Cybersecurity Engineer [JOB ID 20260817]

Washington, District of Columbia

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Today

Full-time

USD 70,000.00 - 130,000.00 per year

Systems Administrator

Chantilly, Virginia

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Today

Job Description FusionInnovation's recent growth has earned us a top spot in the Inc 5000 FastestGrowing Private Companies in America and in Washington Business Journal's BestPlaces to Work multiple years in a row. Our team members are passionate abouttheir work and are empowered to contribute their unique skills and perspectivesto our projects. Here at Fusion, we put people first. When you join us, youdon't just join a company, you join a family. If you are ready to be part of afun and engagin

Full-time

USD 100,000.00 - 215,000.00 per year

Cloud Platform Engineer

Chantilly, Virginia

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Today

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 within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 111,800.00 - 221,800.00 per year

Senior Principal Cyber Security Engineer

Chantilly, Virginia

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Today

MANTECH seeks a motivated, career and customer-oriented Senior Principal Cyber Security Engineer to join our team in Chantilly, VA. In this role, you will support mission-critical cybersecurity operations by designing, deploying, and maintaining secure, resilient data collection and monitoring solutions that enable informed decision-making across the enterprise. Responsibilities include but are not limited to: Troubleshoot new and existing data collection issues to ensure accurate and reliable

Full-time

Sentris Engineer- Classified Services

Chantilly, Virginia

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Today

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers,

Full-time

Senior DevSecOps Engineer

Arlington, Virginia

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Today

Role: Senior DevSecOps Engineer Location: Hybrid (US) Type: Full-Time About the Team: Join an innovative organization modernizing its cloud platform and engineering practices. You'll play a key role in building secure, scalable infrastructure while partnering with cross-functional teams to improve automation and platform reliability. What You'll Do: Build and maintain secure cloud infrastructure supporting business-critical applications.Improve deployment pipelines through automation, securi

Full-time

Embedded Linux Support Engineer II

Ashburn, Virginia

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Today

Job ID: 2615997 Location: Ashburn, VA, US Date Posted: 2026-08-21 Category: Software Subcategory: Embedded SW 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_ON_SITE Description SAIC is seeking a Mid-Level Linux Support Administrator/Engineer to support the design, development, configuration, and maintenance of Linux-based embedded platforms supporting mission-critica

Full-time

USD 80,001.00 - 120,000.00 per year

Senior System Administrator-TS/SCI w/Polygraph

Reston, 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: Backup and Recovery, Computer Backups, Disaster Recovery (DR), Information Technology (IT) Systems Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Senior Systems Administrator Tra

Full-time

USD 147,292.00 - 199,278.00 per year

Cybersecurity Systems Engineer (ServiceNow/Cloud) w/Active TS

Chantilly, Virginia

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Today

We are seeking an experienced Cybersecurity Systems Engineer (ServiceNow/Cloud) to provide technical leadership and hands-on engineering support for enterprise ServiceNow, cloud infrastructure, systems integration, and database environments supporting mission-critical operations. The Cybersecurity Systems Engineer will serve as a primary technical resource for the ServiceNow (SNOW) platform, with responsibility for platform administration, development, upgrades, integrations, and continuous impr

Full-time

Systems Administrator

Washington, District of Columbia

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Today

How you will contribute to our National Security and Defense mission: MTSI is seeking a highly motivated and experienced Systems Administrator to support our team in safeguarding information systems for a government customer in Washington, DC. This individual will be responsible for the installation, configuration, maintenance, and troubleshooting of Linux and Windows-based systems in a secure environment. This individual will also be responsible for building out cloud and hybrid cloud infrastr

Full-time

Enterprise Atlassian Engineer

Washington, District of Columbia

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Today

Full-time

USD 78,600.00 - 160,200.00 per year

DevOps Engineer

Herndon, Virginia

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Today

The DevOps Engineer will leverage their technical background to help deliver automation and big data analytics for the IC community. You will be trained in DevOps and work alongside a collaborative team of Software Developers, Systems Development Engineers, Network Engineers, and Data Engineers to develop unique software that enables customer networks to safely operate at scale. Responsibilities Deploy and provision AWS resources including EC2, S3, RDS, IAM roles, and VPC configurations to supp

Full-time

Lead AWS Cloud Security Remediation Engineer - CSPM / CrowdStrike / AWS Security

Hybrid in Reston, Virginia

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6d ago

Lead AWS Cloud Security Remediation Engineer (AWS Platform / CSPM Remediation) Location:Remote with onsite interview in Reston, VA Pay:$109/hour (W2) Type:Contract |Schedule:40 hours/week Overview Were looking for a senior, hands-on AWS platform engineer to help remediate cloud security misconfigurations and attack indicators surfaced by a CSPM tool (CrowdStrike). This role is deeply technical and focused on building, hardening, troubleshooting, and improving AWS environments that support produ

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Contract

$109.05

Linux Administration jobs in Fairfax, VA, USA