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Senior Linux Admin Jobs (NOW HIRING)

Argo Cyber Systems

Senior Linux Administrator

Arlington, VA · On-site

$100K - $120K/yr

Senior Linux Administrator Location: Arlington, VA (On-Site) Citizenship: US only Clearance: Active TS/SCI (DHS EOD Suitability required) Company: Argo Cyber Systems, LLC - Service-Disabled Veteran ...

Syntricate Technologies

UNIX/LINUX Admin

Chicago, IL · On-site

UNIX/LINUX Admin Job Location: Chicago, IL (Onsite) Duration: Full-time Solaris: ZFS file systems ... Waiting for your earliest response Sincerely, Mohd Shakib Sr. Technical Recruiter Direct: 781-896 ...

Argo Cyber Systems

Senior Linux Administrator

Arlington, VA · On-site

$100K - $120K/yr

Senior Linux Administrator Location: Arlington, VA (On-Site) Citizenship: US only Clearance: Active TS/SCI (DHS EOD Suitability required) Company: Argo Cyber Systems, LLC - Service-Disabled Veteran ...

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ALKU

Linux Admin with Security Clearance

Columbia, MD · On-site

Our client is looking for a Senior level Linux System Administrator to join their team. Day to Day Responsibilities: The System Administrator will be responsible for the health and maintenance of the ...

Ignite IT

Senior Linux Administrator

Suitland, MD

Ignite IT is seeking a very experienced, senior-level Red Hat Linux Admin/Engineer to join and provide dedicated support to the Unix Management Branch of the Computer Services Division on our ...

Ignite IT

Senior Linux Administrator

Suitland, MD · On-site

Ignite IT is seeking a very experienced, senior-level Red Hat Linux Admin/Engineer to join and provide dedicated support to the Unix Management Branch of the Computer Services Division on our ...

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Akraya Inc.

Linux Systems Admin

Palo Alto, CA · On-site

Linux Admin, vsphere, support, VMWare Duration: 16 months Contract Type: W2 only. No vendors ... Mid to Sr. level switching L2 / L3 expertise. * Mid to Sr. level scripting. * Experience can range ...

SquareDomain

Senior Linux Administrator

Austin, TX · On-site

This is an exciting opportunity for a highly motivated Senior Linux Administrator to provide UNIX support for our client's global infrastructure. Working alongside fellow team members and others ...

SquareDomain

Senior Linux Administrator

Austin, TX · On-site

This is an exciting opportunity for a highly motivated Senior Linux Administrator to provide UNIX support for our client's global infrastructure. Working alongside fellow team members and others ...

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How much do senior linux admin jobs pay per hour?

As of Jul 3, 2026, the average hourly pay for senior linux admin in the United States is $53.34, according to ZipRecruiter salary data. Most workers in this role earn between $48.08 and $57.69 per hour, depending on experience, location, and employer.
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Senior Linux Administrator

Senior Linux Administrator

Argo Cyber Systems

Arlington, VA • On-site

$100K - $120K/yr

Contractor

Medical, Dental, Vision, Life, Retirement

Posted 13 days ago

Job description

Senior Linux Administrator
Location: Arlington, VA (On-Site)
Citizenship: US only
Clearance: Active TS/SCI (DHS EOD Suitability required)
Company: Argo Cyber Systems, LLC - Service-Disabled Veteran-Owned Small Business (SDVOSB)
About Argo Cyber Systems
Argo Cyber Systems provides mission-critical cybersecurity support to U.S. Government agencies and critical infrastructure owners nationwide. Our teams deliver rapid incident response, advanced forensics, and coordinated recovery operations to protect vital systems from evolving cyber threats. We combine technical precision with operational agility-helping federal partners identify, contain, and recover from complex cyber incidents with speed and confidence.
Argo Cyber is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize the severity of breaches, develop mitigation plans, and assist with the restoration of services. Argo Cyber is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of advanced cybersecurity capabilities in the customer environment supporting analysts and business continuity of the customer mission.
Role and Responsibilities
  • Applying advanced analytical skills and technical resources at the tactical levels and implement infrastructure solutions supporting command decision making and execution of mission requirements.
  • Perform large scale configuration management and deployment across Windows, MacOS, Linux/Unix, and other operating systems and virtual environments to support the TEN infrastructure.
  • Supporting the implementation of new technologies and equipment in the lab environment.
  • Providing ongoing systems administration, technical support, upgrades, patching and troubleshooting services.
  • Monitor RedHat platforms security and health, create and maintain reports of findings daily
  • Create next-generation application platform automation solutions utilizing RedHat Openshift, RedHat Ansible automation, Docker, Kubernetes, and Podman.
  • Integrate and configure COTS, GOTS, and third-party applications into RedHat Openshift and demonstrate ability to manage, maintain and patch containerized applications.
  • Create and support development of automation solutions for deployment of systems and applications to virtual and physical devices using RedHat Openshift, RedHat Ansible Tower, and RedHat Satellite.
  • Performing implementation of granular access control, and monitor systems for acceptable performance and user accessibility, establish back-ups, and monitor systems security.
  • Troubleshoot and resolve complex storage problems across the enterprise related to storage and replication strategies across local and wide area networks, monitor channels for storage-related network and system issues and remediate them as they occur.
  • Examine and identify efficiencies that can be made to existing procedures, with approval from the customer.
  • Managing assigned project components to deliver services in accordance with established objectives.
  • Advises and provides insight on development of lab standard operating procedures (SOPs) and policies.
  • Employ security concepts, theories, insights, tools and methodologies to mitigate system weaknesses and vulnerabilities.

Qualifications, Education and Skills Requirements
  • U.S. Citizenship is required.
  • Bachelor's degree with 5-7 years of experience in Systems Engineering, Computer Science, Cybersecurity, Computer Engineering, or related field.
  • Must have an active DoD Secret clearance, TS/SCI clearance is preferred.
  • Must be able to obtain DHS Suitability.
  • 5+ years of directly relevant experience as a Linux System Administrator.
  • 2+ years MacOS and iOS experience.
  • Must be able to work collaboratively across physical locations.

Additional Desires and Considerations
  • Interpersonal skills and the ability to communicate effectively with various clients in order to explain and elaborate on technical details
  • Experience with writing technical procedures and standard operating procedures.
  • Virtualization automation and optimization.
  • Experience with multiple operating systems to include Linux/Unix, Windows, & Splunk
  • Practical experience with different scripting languages (e.g., Python, JavaScript, etc.)
  • Practical experience with the Databricks Intelligence Platform
  • Experience with system vulnerability assessments
  • Knowledge of computer programming and scripting languages
  • Excellent written and verbal communication skills
  • Scaled Agile Framework (SAFe) experience
  • CompTIA Security+ or higher certification level preferred

Company Benefits
ARGO Cyber Systems provides industry competitive employee benefits to include medical, dental, vision, life insurance, and 401K.
Argo Cyber Systems is a Federal Contractor and an Equal Opportunity Employer.

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