Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Linux System Administrator

$160k
Full-time

London Approach

Linux Systems Administrator – Active Top Secret Clearance

Location: Springfield, VA – 100% Onsite

Salary: Up to $160,000 Base + Bonus

Benefits: 401(k) Match, Profit Sharing, Comprehensive Benefits

Clearance Required: Active Top Secret (TS)

Employment Type: Full-Time, Direct Hire

Position Overview

We are seeking an experienced Linux Systems Administrator to support and maintain mission-critical infrastructure within a secure federal government environment. This position is ideal for a technically strong Linux professional who enjoys hands-on systems administration, troubleshooting complex infrastructure issues, and ensuring the reliability, security, and performance of enterprise Linux environments.

The successful candidate will have extensive experience administering Linux systems in production environments, resolving escalated technical issues, and supporting infrastructure operations where security, uptime, and system stability are essential.

This is a fully onsite position in Springfield, VA, requiring an active Top Secret security clearance.

Key Responsibilities

  • Administer, configure, maintain, and troubleshoot enterprise Linux servers and infrastructure in secure production environments.
  • Support Linux distributions including Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu, or similar platforms.
  • Monitor system performance, availability, resource utilization, and overall infrastructure health.
  • Diagnose and resolve complex Linux operating system, networking, storage, and application-related issues.
  • Handle escalated technical incidents, perform root cause analysis, and implement long-term solutions.
  • Manage system patching, updates, security configurations, and vulnerability remediation in accordance with federal security requirements.
  • Develop and maintain automation scripts using Bash, Python, or similar scripting languages to improve operational efficiency.
  • Support system deployments, configuration management, and infrastructure improvements.
  • Collaborate with engineering, cybersecurity, and infrastructure teams to maintain secure and reliable systems.
  • Maintain technical documentation, standard operating procedures, and system configuration records.

Required Qualifications

  • Active Top Secret security clearance is mandatory.
  • Strong professional experience administering Linux systems in enterprise or production environments.
  • Extensive hands-on experience with Red Hat Enterprise Linux (RHEL) or comparable Linux distributions.
  • Strong troubleshooting skills across operating systems, servers, storage, and networking.
  • Experience managing system security, user permissions, patching, and vulnerability remediation.
  • Proficiency in Linux command-line administration and shell scripting.
  • Experience supporting business-critical or mission-critical infrastructure.
  • Understanding of networking fundamentals, including TCP/IP, DNS, SSH, firewalls, and related protocols.
  • Ability to work independently, prioritize technical issues, and resolve complex problems in demanding environments.
  • Ability to work onsite in Springfield, VA, five days per week.

Preferred Technical Experience

  • Automation and configuration management using Ansible, Puppet, Chef, or Terraform.
  • Experience with DevOps methodologies, CI/CD pipelines, or infrastructure automation.
  • Virtualization technologies such as VMware or KVM.
  • Containerization technologies including Docker, Kubernetes, or OpenShift.
  • Experience supporting classified government systems or DoD environments.
  • Familiarity with DISA STIGs, system hardening, and federal cybersecurity compliance standards.
  • Experience with monitoring and logging tools such as Splunk, Nagios, Grafana, or similar platforms.
  • CompTIA Security+, RHCSA, RHCE, or other relevant technical certifications.

Compensation & Benefits

  • Base Salary: Up to $160,000 annually
  • Performance Bonus: Additional bonus opportunities
  • 401(k): Employer matching contributions
  • Profit Sharing: Eligibility after one year of employment
  • Comprehensive Benefits: Employer-sponsored benefits package
  • Employment Stability: Long-term opportunity supporting secure, mission-critical government technology environments

Additional Information

This opportunity is best suited for a hands-on Linux Systems Administrator who thrives in technically demanding, security-focused environments. We are looking for someone who can take ownership of production systems, independently troubleshoot complex issues, and contribute to the continued stability and improvement of critical infrastructure.

Candidates must hold an active Top Secret clearance and be available to work fully onsite in Springfield, Virginia.

Vacancy posted 5 hours ago
Similar jobs that could be interesting for youBased on the Linux System Administrator in Springfield, VA vacancy
  •  ...Job TitleWe are looking for Linux Systems Administrators to support and maintain secure, mission-critical production environments for our customers. This position is responsible for planning, implementing and performing all the various tasks required to build, administer... 
    Suggested

    Grove Recruit Group

    Springfield, VA
    4 days ago
  • $150k

     ...Linux Systems Administrator / DevOps Engineer Location: Springfield, VA Work Arrangement: Fully Onsite Salary: $150,000 Clearance: Active Top Secret Required Employment Type: Full-Time Position Overview We are seeking a Linux Systems Administrator... 
    Suggested
    Full time

    London Approach

    Springfield, VA
    11 hours ago
  •  ...LINUX SYSTEM ADMINISTRATOR - Northern Virginia We are seeking an experienced Linux System Administrator to support large-scale Linux enterprise environments operating within highly secure settings. This is an opportunity to work across both traditional infrastructure... 
    Suggested
    Full time

    Searchability Aerospace & Defense

    Washington DC
    4 days ago
  • $92.3k - $166.85k

     ...you want to be a part of, keep reading!Leidos is seeking a System Administrator to support a large enterprise IT contract for the DOD. This...  ...individual that has technical experience with administering Linux and Windows servers within a VMware virtual environment. This... 
    Suggested
    Full time
    Contract work

    Leidos

    Alexandria, VA
    3 days ago
  • $90.3k - $189.6k

    Job Title: Linux System AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: NoneEmployee...  ...* * *The Opportunity:CACI is searching for a Linux System Administrator to support the FEMA Office of the Chief Information Security... 
    Suggested
    Contract work
    Work experience placement
    Work at office
    Flexible hours

    CACI International

    Washington DC
    11 hours ago
  • $90.3k - $189.6k

    Job Title: Linux Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/...  ...Travel: None* * *The Opportunity:CACI is seeking a Linux Systems Administrator to support a long term, multi-year, high performing program.... 
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    McLean, VA
    3 days ago
  • $90k - $120k

     ...readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and...  ...Position Overview By Light has an opening for a Sr. Systems Administrator (Linux/Unix) position supporting the Army National Guard (ARNG) in... 
    Contract work
    Work experience placement
    Remote work
    Worldwide

    By Light Professional IT Services

    Falls Church, VA
    3 days ago
  •  ...Job TitleSystems Administrator - TS//SCI with CI PolyJob RequirementsLittleton, CO Top Secret...  ...minimum of 5 years of experience developing system software in heterogeneous, multi-...  ...Proficiency in debugging issues with the Linux kernel including examining source code,... 

    Navstar

    Springfield, VA
    2 days ago
  •  ...Linux / Solaris (Unix) System AdministratorTech Tammina LLCJob DescriptionRelevant/ Experience Required:5-7 years of relevant experienceTechnical/Functional Skills:Oracle/Sun certified System Administrator having hands-on experience with Sun SPARC serversExcellent experience... 
    Permanent employment
    Full time

    Tech Tammina

    McLean, VA
    4 days ago
  • $125k

     ...Red Hat Linux System AdministratorCome join a company that strives for Extraordinary People and Exceptional Performance! Chenega Professional...  ...Services' company, is looking for a Red Hat Linux System Administrator to support a federal agency.Our company offers employees the... 

    Chenega Corporation

    Washington DC
    2 days ago
  •  ...Linux System AdministratorWe are looking for a dedicated and skilled Linux Systems Administrator to join our team and play a vital role in managing and maintaining our Linux-based infrastructure. In this position, you will be responsible for deploying, configuring, monitoring... 
    Temporary work
    Immediate start

    Cymertek

    McLean, VA
    4 days ago
  • $100k - $200k

     ...Linux Systems AdministratorPosition Description: CGI Federal has an exciting opportunity for a Linux Systems Administrator within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for keeping pace with rapidly... 

    Navstar

    Arlington, VA
    4 days ago
  •  ...Responsibilities Serve as a Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across development, lab, and production systems. Perform large scale configuration management and deployment across Windows, MacOS, Linux/Unix, and other... 
    Local area
    2 days per week
    3 days per week

    Base One Technologies

    Arlington, VA
    1 day ago
  •  ...Linux Systems AdministratorThe Pentagon, Washington, DC – (On-Site)Salary negotiable (Depending on experience) - Full Time with BenefitsStrategic Data Systems (SDS) is seeking a Linux Systems Administrator (SA) that specializes in working within classified environments... 
    Full time
    Local area

    Strategic Data Systems

    Washington DC
    3 days ago
  •  ...Linux / Unix Systems AdministratorLOCATION Tysons, VA 22182CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship...  ...a dedicated and detail-oriented Linux / Unix Systems Administrator to join our team and ensure the stability, security, and... 
    Temporary work
    For contractors
    Immediate start

    Cymertek

    McLean, VA
    4 days ago
  •  ...technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to...  ...Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of... 
    Contract work
    Local area
    Immediate start

    Navstar

    Arlington, VA
    4 days ago
  • $112k - $179k

     ...Linux Systems Administrator IVPeraton is seeking a Linux Systems Administrator IV to join our team supporting a mission-critical Intelligence Community customer. In this role, you'll be at the heart of ensuring the reliability, performance, and security of enterprise-level... 
    Contract work
    For contractors
    Immediate start
    Shift work

    Peraton

    Washington DC
    2 days ago
  •  ...Tier II Linux AdministratorSeize your opportunity to make a personal impact as an Tier II Linux Administrator supporting our intelligence customer. GDIT is your place to make meaningful...  ..., people are our differentiator. As an Systems Administrator will help ensure today is... 
    Contract work
    Temporary work
    Remote work

    General Dynamics Information Technology

    Springfield, VA
    2 days ago
  •  ...Senior Linux System Administrator, Washington, D.C. area Experienced Linux System Administrator responsible for operating, maintaining, upgrading, and troubleshooting a large (1,500 server) base of Linux servers. Responsibilities include provisioning services, monitoring... 

    Valex

    Washington DC
    3 days ago
  • $120k - $160k

     ...DescriptionLinux System AdministratorAltamira Technologies has a long and successful history...  ...!Description:Candidates will work in a Linux environment for a Cross Domain Solution...  ...Role: Altamira requires Linux system administration support for the development, testing, deployment... 
    Worldwide

    Altamira Technologies

    McLean, VA
    1 day ago
  •  ...The expert will have strong knowledge of Red Hat Enterprise Linux (RHEL) systems and will be able to design and implement automation...  ...Environments, related systems, and middleware, focusing on system administration for JSSC operations. RESPONSIBILITIES Oversee key... 
    Contract work

    The One 23 Group

    Arlington, VA
    3 days ago
  •  ...Description Benefits: Competitive salary Opportunity for advancement Training & development Role: Senior Linux/UNIX System Administrator Location: Brevard County, FL 32925 Let’s Create Our Future Together at The AES Group! Position Overview The... 

    Globenet Consulting Corp

    Washington DC
    a month ago
  •  ...to protect our country from threats. Job Description Linux Administrator   Advance how our customers operate while you advance your...  ...and non-production environments.  ~ Proactively monitor system performance and availability, diagnose issues, and implement... 
    Flexible hours

    General Dynamics Information Technology

    Washington DC
    12 days ago
  •  ...Job Description Job Description Computational Physics, Inc. (CPI) is seeking a Senior Linux System Administrator to support our customers at the United States Naval Observatory (USNO ) in the deployment and maintenance of its precise timing and astrometry networks... 
    Temporary work
    For contractors
    Remote work
    Flexible hours

    Computational Physics, Inc.

    Washington DC
    25 days ago
  •  ...Cohere Technology provides Red Hat Enterprise Linux (RHEL) based High Performance Computing (HPC) services...  ...will be able to fully utilize modern HPC systems. We are seeking a SE Linux Based MLS Linux Administrator SME for our enterprise MLS configuration team which... 
    Full time
    Contract work

    Cohere Technology Group LLC

    Springfield, VA
    more than 2 months ago
  •  ...GDIT) seeks an IT Engineer to provide Tier 2 Linux/Windows support for a federal intelligence environment, focusing on RHEL-based systems and secure Linux operations. You will handle incidents, perform system administration (RHEL/CentOS/Ubuntu), manage AD/DNS/DHCP, and... 

    General Dynamics Information Technology

    Fort Belvoir, VA
    5 days ago
  • $124.09k - $142.6k

     ...SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Linux System Administration, Red Hat Ansible, Scripting Certifications: None Experience: 5 + years of related experience US Citizenship Required: Yes... 
    Temporary work
    Immediate start
    Remote work
    Worldwide
    Flexible hours

    General Dynamics Information Technology

    Springfield, VA
    2 days ago
  • $130k - $220k

     ...Role: Linux Engineer Location: Fairfax, VA Salary: $130,000 - $220,000 + Benefits...  ...supporting mission-critical systems across the US Intelligence and National...  ...What We're Looking For Strong Linux administration experience (RHEL, CentOS, Rocky Linux or... 
    Flexible hours

    Elevate Technology Group

    Fairfax, VA
    11 hours ago
  • $82.97k - $110.63k

     ...deliver meaningful impact, and help shape the future of AI‑ready connectivity, join us today. The Role The Senior Linux Systems Administrator will design, build, secure, operate, and maintain Linux-based infrastructure supporting a classified federal program. The... 
    Full time
    Temporary work
    Remote work

    Lumen

    Annandale, VA
    1 day ago
  • $116.35k - $210.33k

     ...Information Technology field to work as a Linux Engineer in the Lorton, Virginia area....  ...all enclaves; establishing new baseline systems for approved projects and providing Tier...  ..., including software developers, system administrators, and various engineers, to support the missions... 
    Full time
    Contract work
    Local area

    Leidos

    Lorton, VA
    3 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Linux System Administrator. Be the first to apply!