LINUX jobs in Manassas, VA

McLean, Virginia

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Today

At Freddie Mac, our mission of Making Home Possible is what motivates us, and it's at the core of everything we do. Since our charter in 1970, we have made home possible for more than 90 million families across the country. Join an organization where your work contributes to a greater purpose. Position Overview: Are you a Platform Engineer with extensive Unix Administration acumen? Do you know what the correct technical infrastructure is for a high velocity agile and business focused organizat

Full-time

USD 130,000.00 - 196,000.00 per year

Engineer, Senior (Linux/AWS)

McLean, Virginia

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Today

At Freddie Mac, our mission of Making Home Possible is what motivates us, and it's at the core of everything we do. Since our charter in 1970, we have made home possible for more than 90 million families across the country. Join an organization where your work contributes to a greater purpose. Position Overview: Our constantly evolving IT department is in search of a Senior Engineer of Infrastructure Engineering with excellent time management skills and a proven record of setting and meeting r

Full-time

USD 122,000.00 - 184,000.00 per year

Linux Systems Engineer

Reston, Virginia

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Today

Description CANDIDATES MUST HAVE AN ACTIVE DHS EOD or TSA EOD CLEARANCE Job Responsibilities: We are seeking a Senior Linux Systems Engineer with a strong background in Linux administration and common open-source tools and software to join our team. This is a remote position. Candidates must be self-starters who enjoy working in fast-paced and dynamic environments. The ideal candidates will have at least 10 years of experience in Linux administration, with experience building and maintaining pr

Full-time

USD 55.00 - 65.00 per hour

Linux System Administrator

Fort Belvoir, Virginia

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Today

Description We are seeking a Linux Administrator to support the DTRA Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization, design, development and implementation of new Linux capabilities. The candidate is expected work well as a part of the DTRA Systems Administration team using ITIL best practices as well as work independently on assigned tasks. Candidate is expect

Full-time

USD 60.00 - 65.00 per hour

Systems Administrator - HPC Linux (TS/SCI Clearance Required)

Herndon, Virginia

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Today

This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. North Point Technology is hiring a Linux Administrator SME to support mission-critical environments across our Centralized SuperComputing Facility (CSCF) and other high-impact programs. This role is ideal for a senior Linux expert who can troubleshoot deep system issues, automate administration at scale, and strengthen secure, reliable platform operations

Full-time

Junior Linux Systems Engineer (RHEL/Clearance)

Manassas, Virginia

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Today

Onsite | Clearance required This Jobot Job is hosted by: Madeline Lazarus Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $80,000 - $100,000 per year A bit about us: We are a leading provider of information technology, logistics management, business process re-engineering, financial management, and administrative support services for the Department of the Navy and Homeland Security. We have an incredible team of engineers, analysts, and IT

Full-time

USD 80,000.00 - 100,000.00 per year

Linux System Administrator

Hybrid in McLean, Virginia

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Today

Job Number: R0238454 Linux System Administrator The Opportunity: We are seeking a skilled Systems Administrator to support mission-critical infrastructure for a federal client. In this role, you will manage and maintain Linux servers such as RHEL, CentOS, and Ubuntu, ensuring system integrity, performance, availability, and security across enterprise environments. You will install, configure, and troubleshoot server sof t war e and services while proactively implementing and maintaining enterpr

Full-time

USD 62,000.00 - 141,000.00 per year

Linux/ Cloud Engineer

Arlington, Virginia

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Today

Job ID: T2601926 Location: Arlington, VA, US Date Posted: 2026-03-05 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: ORA_ON_SITE Description ? SAIC has an opening for a Linux/Cloud Engineer billet in Arlington, VA. SAIC is recognized as an IT leader in the intelligence and law enforcement spaces. This exciting opport

Full-time

Sr System Engineer (LINUX)

Washington, District of Columbia

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19d ago

Sr Linux Systems Engineer 100% ONSITE in Washington DC 20006 Per Federal contract U.S. Citizenship Required Must be able to pass enhanced FBI background screening (criminal, financial and finger printing) for Public Trust clearance Performance Period: June 2026- Dec 31 2026, with the possibility of multi-year extension based on performance W-2 or C2C MUST APPLY BY 5/12/2026 Job Summary:The Senior Systems Engineer will play a critical role in supporting a Linux-based high-performance computing

Easy Apply

Third Party, Contract

Depends on Experience

SE Linux / MLS SysAdmin

Springfield, Virginia

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Today

SE Linux Based MLS Linux Administrator SME Key Qualification Checklist Program: Enterprise MLS / CSCF (HPC) Clearance Required: Active TS/SCI with CI Poly Basic Qualifications (Must Have) Bachelor's in Computer Science (or AIS) + 10+ years experience 5+ years developing system software in heterogeneous, multi-platform environments Advanced expertise in SE Linux (SELinux) MLS configuration, including: MAC labeling & security contexts Policy development & debugging Least-privilege access policy

Easy Apply

Full-time, Contract

Security Configuration Management Engineer

Hybrid in Manassas, Virginia

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24d ago

Role: Security Configuration Management EngineerLocation: Manassas, VA, 2days remote & 3days onsiteDuration: 12 Months (Contract)Working Hours:7.5 hours in dayInterview Type: In-Person Key Responsibilities - Customize industry standard security hardening guides / benchmarks to meet organizational requirements. - Ensure compliance tools accurately verify endpoint configurations. Required Qualifications - 4 5 years of experience customizing US-DOD STIGs, CIS Benchmarks, or similar guides. - Expe

Easy Apply

Contract

Depends on Experience

Lead Software Engineer

Herndon, Virginia

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers? mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trust

Full-time

Compensation information provided in the description

Linux Admin with Kubernates

Hybrid in Ashburn, Virginia

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5d ago

Hiring: Linux System Admin / Kubernetes Engineer (W2 Only) Location: Ashburn, VA (Onsite F2F Mandatory) Duration: Long Term We are looking for a hands-on Linux System Administrator with Kubernetes experience for an onsite role in Ashburn, VA. Must Have:Strong Linux AdministrationHands-on Kubernetes (K8s)Experience with hardware installation, server setup & rack stackingNetworking knowledge (CCNA / CCNP is a plus)Virtualization: VMware, OpenShift, OpenStack Additional:Local to Ashburn, VA or ne

Easy Apply

Full-time

Depends on Experience

Linux Administrator SME

Springfield, Virginia

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Today

Linux Administrator SME Key Qualification Checklist Program: Centralized SuperComputing Facility (CSCF) HPC Clearance Required: Active TS/SCI with CI Poly Basic Qualifications (Must Have) Bachelor's in Computer Science (or AIS) + 10+ years experience 5+ years developing system software in heterogeneous, multi-platform environments Strong Bourne/Bash & Expect scripting skills Advanced Linux kernel debugging (source code review, logs, crash, systemtap) Experience managing Red Hat Satellite repos

Easy Apply

Full-time, Contract

Windows/Linux Server Administrator

Remote

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5d ago

Seeking an experiencedWindows/Linux Server Administratorto support OS level upgrades, server operations, and troubleshooting in an enterprise environment. Role focuses primarily onWindows Server, with some Linux exposure. Key Responsibilities Support and maintain Windows and Linux servers Perform OS and application upgrades Troubleshoot server, application, and basic network issues Use command line tools (PowerShell, Bash) for administration Participate in scheduled maintenance windows Follow

Easy Apply

Contract, Third Party

Depends on Experience

Linux System/Support Engineer Managed Cloud Services

Remote

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11d ago

Requirement details: Role- Linux System/Support Engineer Managed Cloud Services Location- Remote Duration: 12+ Months Job Description: We are seeking a highly motivated Contract Support Engineer to support our secure, cloudbased silicon chip design environments used by our external customers for missioncritical EDA and HPC workloads. This role is customerfacing and serviceoriented, requiring not only strong technical expertise, but also a commitment to responsiveness, professionalism, and deliv

Easy Apply

Third Party, Contract

Depends on Experience

Systems Engineer, Linux and AI

Remote or Ashburn, Virginia

•

Today

About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale - tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world. Join Visa and do work that

Full-time

USD 88,000.00 - 136,900.00 per year

Software Engineer (C++, Linux, bash scripting) - Active Secret clearance

Manassas, Virginia

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Today

Basic Qualifications Bachelor's degree in Software Engineering, or related Science, Technology, Engineering or Mathematics field, plus a minimum of 2 years of relevant experience; or Master's degree, plus 6 months relevant experience. CLEARANCE REQUIREMENTS: Department of Defense active Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information

Full-time

USD 100,219.00 - 111,180.00 per year

Linux Systems Administrator TS/SCI POLY

Centreville, Virginia

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Today

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible. Job Description: Are you a skilled Linux Systems Administrator looking to work on missi

Full-time

USD 112,200.00 - 196,400.00 per year

Sr. Linux Engineer I (6394)

Reston, Virginia

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Today

As a Sr. Linux Engineer, you'll play a critical role in designing, implementing, and maintaining secure and efficient software development and deployment pipelines. You will collaborate with cross-functional teams to integrate security practices seamlessly into the development and operations lifecycle, ensuring the delivery of high-quality, secure, and reliable software solutions. We know that you can't have great technology services without amazing people. At MetroStar, we are obsessed withour

Full-time

USD 180,000.00 - 200,000.00 per year

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LINUX jobs in Manassas, VA, USA