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Arlington, Virginia

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Today

Job ID: 2610475 Location: Arlington, VA, US Date Posted: 2026-03-20 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: None Potential for Remote Work: ORA_ON_SITE Description SAIC is currently seeking an experienced Linux and UNIX Administrator to operate and maintain Red Hat and Oracle Linux (Release 7 and 8), and HP-UX (11.31) operating systems within

Full-time

Senior Linux Administrator Team Lead

Falls Church, Virginia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Critical Systems, Enterprise Systems, Software Updates, System Administration, Technical Issues Certifications: CompTIA Security+ CE | CompTIA - CompTIA, Red Hat Certified Engineer (RHCE) | Red Hat - Red Hat Experience: 5 + years of related experience ship Require

Full-time

USD 127,500.00 - 172,500.00 per year

Linux System Administrator (TS/SCI) - Service Desk

Fort Belvoir, Virginia

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Today

Basic Qualifications Bachelor's degree in a specialized area; or equivalent is required plus a minimum of 2 years of relevant experience; or Master's degree. CLEARANCE REQUIREMENTS: Department of Defense TS/SCI security clearance is required at time of hire. Must be able to obtain Polygraph. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our f

Full-time

USD 107,406.00 - 114,000.00 per year

Systems Administrator (Linux/Windows/Cisco)

Manassas, Virginia

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21d ago

Systems Administrator (Linux/Windows/Cisco)Our client, a leading federal defense contractor has an immediate opening for an IT Systems Administrator with an active Secret clearance to work onsite at their office in Manassas, VA. As a Systems Administration Specialist, you-ll serve as a front-line interface to users with technical issues by conducting systems analysis and development to keep systems current with changing technologies. Responsibilities may include: - Day-to-day support of serve

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Contract

55 - 59

Senior Linux System Administrator

Maryland

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Today

Job Number: R0234433 Linux System Administrator, Senior The Opportunity: Install systems on dedicated infrastructure, ensure the infrastructure is functional and available, and update and patch critical systems. Provide customers with insight into their network through monitoring and performance management. Identify problem areas and opportunities for improvement in a mission-critical network. Accomplish work without considerable direction. You Have: 5+ years of experience with systems adminis

Full-time

USD 77,600.00 - 176,000.00 per year

Linux Server Systems Administrator

Bethesda, Maryland

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Today

Leidos is looking to fill a Linux Server Systems Administrator position to support the National Digital Exploitation & OSINT Center (NDOC). This role requires an individual that has technical experience with administering Linux servers within a within a physical and virtual environment. This role is responsible for interacting with administrators to handle service inquiries and problems. Duties include examining customer problems and implementing appropriate corrective action to initiate a repai

Full-time

USD 92,300.00 - 166,850.00 per year

Classified Linux Systems Administrator

Laurel, Maryland

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Today

Description Do you enjoy working in Linux environments? Are you searching for important work in Generative AI and other future platforms? Are you passionate about contributing to issues that affect our world and the security of our nation? If so, we're looking for someone like you to join our team at APL! We are seeking a Classified Linux Systems Administrator with strong experience in Red Hat, Ubuntu, and Kubernetes to support and evolve our infrastructure. This role supports a DCSA-accred

Full-time

USD 100,000.00 per year

Linux Systems Administrator

Hybrid in College Park, Maryland

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Today

Job Number: R0234263 Linux Systems Administrator The Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Navy? We're looking for a Linux System Administrator to help us ensure high availability and performance of mission-critical systems and implement automation to streamline operations. As a Linux Systems Administrator on our team

Full-time

USD 53,000.00 - 108,000.00 per year

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

Senior Linux Desktop Engineer

McLean, Virginia

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28d ago

Job Title: Senior Linux Desktop Engineer (Level 3) Location: Fully Remote EST Time Zone Required Duration: 8-Month W2 Contract Pay Rate: $60$70/hour (Depending on Experience) About the Role Russell Tobin is supporting the hiring process for a leading global professional services organization seeking a Senior Linux Desktop Engineer (Level 3) to join their End User Computing / Desktop Engineering team. This is an advanced-level engineering role focused on enterprise Linux desktop environments. C

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Contract

Depends on Experience

Senior Systems Administrator (Linux/Windows) - Top Secret Clearance w/SCI eligibility required

Arlington, Virginia

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Today

Overview At AMERICAN SYSTEMS, your technical expertise directly supports national security and mission-critical systems. As an employee-owned federal government contractor, we deliver trusted solutions in support of the nation's highest priorities. We are seeking a Senior Systems Administrator to support a Special Access Program, operating in highly secure, complex environments where precision and reliability are essential. This role focuses on owning and optimizing enterprise Windows and Linu

Full-time

USD 108,100.00 per year

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

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Full-time, Contract

Senior Cybersecurity Engineer (Linux)

McLean, 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 Public Trust/Other Required: None Job Family: Cyber and IT Risk Management Job Qualifications: Skills: Cybersecurity, Endpoint Security, Linux, Splunk Enterprise Security Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Description: We are seeking a highly skilled and multi-faceted Cyber Engineer for

Full-time

USD 142,792.00 - 175,950.00 per year

Linux System Administrator with Active TS/SCI

Alexandria, Virginia

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10d ago

Linux Systems Administrator Alexandria, VA(onsite)FulltimeActive TS / SCIResponsibilitiesAdminister and maintain Linux systems operating within high-side / classified environments, ensuring operational stability, performance, and compliance with federal security requirements.Perform secure system configuration, patching, and hardening in accordance with DISA STIGs, NIST standards, and agency security policies.Manage system lifecycle operations, including provisioning, configuration management, u

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Full-time

Depends on Experience

Junior Linux System Administrator

McLean, Virginia

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Today

Description & Requirements Maximus is looking to hire a Junior Linux System Administrator. Who We Seek: - Passion Seekers. You genuinely care about the work that you do and its impact on society. - Self-Starters. You're a go-getter who isn't afraid to step up and disrupt the status quo. - Entrepreneurs. You bring fresh ideas to the table, work hard, develop business and consistently seek new challenges. - Collaborators. You're a great contributor to a high performing team that accomplishes grea

Full-time

USD 50,000.00 per year

Linux Systems Administrator

Washington, District of Columbia

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Today

Job Number: R0234152 Linux Systems Administrator The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the U.S. Federal Government? We're looking for a cross domain specialist to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment. As a Linux System Administrator on our project, you'll constantly look for ways to make the infrastructure bet

Full-time

USD 77,600.00 - 176,000.00 per year

Senior Linux System Administrator

Maryland

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Today

Job Number: R0234431 Linux System Administrator, Senior The Opportunity: Install systems on dedicated infrastructure, ensure the infrastructure is functional and available, and update and patch critical systems. Provide customers with insight into their network through monitoring and performance management. Identify problem areas and opportunities for improvement in a mission-critical network. Accomplish work without considerable direction. You Have: 5+ years of experience with systems administ

Full-time

USD 77,600.00 - 176,000.00 per year

SQL DBA

Alexandria, Virginia

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11d ago

Job Title: SQL DBA Type: Direct Hire Contractor Work Model: Onsite Security Clearance: Top Secret w/ SCI eligibility Location:Bolling AFB, Washington, DC Clearance:Active TS/SCI or Top Secret (Required) Candidates are expected to have a strong work ethic and possess the ability to work as a critical member of a team in pursuit of mission objectives and in the support of our customers. We value candidates who are detail-oriented while also being able to think and react quickly to emerging and u

Easy Apply

Full-time

$165000

Sr. Linux Systems Engineer

Germantown, Maryland

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Automation Tools, Complex Systems, Linux, System Administration, System Designs Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: GDIT is seeking an experienced Linux Systems Administrator to support critical IT op

Full-time

USD 129,813.00 - 172,500.00 per year

Applications Administrator - Linux

Hybrid in Washington, District of Columbia

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14d ago

Applications Administrator LinuxTier 5 (Top Secret) Clearance Required Position OverviewWe are seeking a skilled Linux Applications Administrator to support a federal government program requiring a Tier 5 (T5) background investigation for Top Secret clearance eligibility. This role is responsible for administering, maintaining, and supporting Linux-based operating systems and mission-critical applications in a secure enterprise environment. The ideal candidate will have strong experience with L

Easy Apply

Contract

55 - 60

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