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Sr Linux Administrator Jobs (NOW HIRING)

Boot Barn

Linux Administrator

Irvine, CA

LINUX ADMINISTRATOR REPORTS TO: SR. SYSTEMS ADMINISTRATOR STATUS: EXEMPT Summary Boot Barn is where community comes first. We thrive on togetherness, collaboration, and belonging. We build each other ...

Boot Barn

Linux Administrator

Irvine, CA · On-site

LINUX ADMINISTRATOR REPORTS TO: SR. SYSTEMS ADMINISTRATOR STATUS: EXEMPT Summary Boot Barn is where community comes first. We thrive on togetherness, collaboration, and belonging. We build each other ...

Leidos

Senior Linux System Administrator

Alexandria, VA

$107K - $195K/yr

The Senior Linux System Administrator will work within a team engineers, developers and system administrators, adding new capabilities to our enclaves, as well as ensuring the existing systems are ...

Leidos

Senior Linux System Administrator

Alexandria, VA · On-site

$107K - $195K/yr

The Senior Linux System Administrator will work within a team engineers, developers and system administrators, adding new capabilities to our enclaves, as well as ensuring the existing systems are ...

SAIC

Senior Linux Systems Administrator

Princeton, NJ · On-site

SAIC is recruiting for a Senior Linux Systems Administrator to join their program supporting the NOAA GFDL in Princeton, NJ. The role involves managing junior admins, resolving complex customer ...

ALKU

Linux Admin with Security Clearance

Columbia, MD · On-site

Linux Administrator Program Description: Our client is looking for a Senior level Linux System Administrator to join their team. Day to Day Responsibilities: The System Administrator will be ...

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How much do sr linux administrator jobs pay per hour?

As of Jun 7, 2026, the average hourly pay for sr linux administrator 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.

What is the difference between Sr Linux Administrator vs Linux Engineer?

AspectSr Linux AdministratorLinux Engineer
CertificationsLinux+, RHCE, LPIC-2Linux+, RHCE, LPIC-2
Work EnvironmentData centers, enterprise servers, IT teamsDevelopment environments, cloud platforms, automation projects
Primary FocusSystem maintenance, troubleshooting, securityDesign, development, automation, scripting
Industry UsageIT operations, enterprise infrastructureDevOps, cloud computing, software development

Both roles require similar certifications and often work in enterprise environments. However, Sr Linux Administrators focus more on maintaining and securing existing systems, while Linux Engineers are involved in designing and building new Linux-based solutions, often with a stronger emphasis on automation and development.

What are some common challenges Sr Linux Administrators face when managing large-scale server environments?

Sr Linux Administrators often encounter challenges such as ensuring system reliability and uptime across numerous servers, managing configuration consistency, and effectively monitoring performance. They must also address security vulnerabilities promptly and automate repetitive tasks to improve efficiency. Collaborating with development, security, and network teams is essential to quickly resolve issues and implement new solutions, making strong communication skills and adaptability important for success in this role.

What are Sr Linux Administrators?

Sr Linux Administrators are experienced IT professionals responsible for managing, configuring, and maintaining Linux-based servers and systems. They ensure the stability, security, and performance of the infrastructure by performing tasks such as system updates, troubleshooting, automation scripting, and monitoring. Senior administrators also design and implement solutions for scalability and disaster recovery, mentor junior staff, and often collaborate with other teams to support organizational IT needs.

What are the key skills and qualifications needed to thrive as a Sr Linux Administrator, and why are they important?

To thrive as a Sr Linux Administrator, you need deep expertise in Linux system administration, shell scripting, networking, and server security, often backed by a bachelor’s degree and several years of hands-on experience. Familiarity with configuration management tools (like Ansible or Puppet), virtualization platforms, cloud services, and certifications such as RHCE are commonly required. Problem-solving, attention to detail, and effective communication are vital soft skills for excelling in this role. These skills and qualities are crucial to ensure reliable system performance, efficient troubleshooting, and secure enterprise environments.
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Sr Linux Administrator jobs near you

Senior Linux Systems Administrator

Staffed4U

College Park, MD • On-site

$200K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 9 days ago

Job description

Senior Linux Systems Administrator

Location: College Park, MD
Clearance Required: Active TS/SCI with Full-Scope Polygraph
Experience Required: 15+ years
Employment Type: Full-time
Status: Fully funded
Compensation: $200K+ depending on experience

About the Role

We are seeking a Senior Linux Systems Administrator to support a secure, mission-focused environment in College Park, MD. This role is ideal for an experienced systems administrator who is comfortable owning Linux infrastructure, troubleshooting complex issues, supporting operational systems, and working directly with technical teams and mission users.

The ideal candidate will bring deep Linux administration experience, strong problem-solving skills, and the ability to maintain reliable, secure, and high-performing systems in a classified environment. This position requires someone who can operate independently, communicate clearly, and contribute to a team focused on mission success.

Responsibilities
  • Administer, configure, maintain, and troubleshoot Linux-based systems in a secure operational environment.
  • Support day-to-day system operations, including patching, monitoring, performance tuning, account management, backups, and system health checks.
  • Install, configure, and maintain servers, workstations, storage, and related infrastructure.
  • Troubleshoot complex hardware, software, network, and system performance issues.
  • Monitor system availability, reliability, and security posture.
  • Support system hardening, vulnerability remediation, and compliance activities.
  • Develop and maintain scripts or automation to improve operational efficiency.
  • Maintain system documentation, SOPs, configuration records, and troubleshooting guides.
  • Support system upgrades, migrations, deployments, and lifecycle refresh activities.
  • Collaborate with engineers, developers, cyber teams, and mission users to resolve technical issues.
  • Participate in incident response, root-cause analysis, and long-term corrective action planning.
  • Ensure systems remain compliant with customer, security, and operational requirements.
  • Provide mentorship or guidance to junior administrators when needed.
Required Qualifications
  • Active TS/SCI with Full-Scope Polygraph.
  • 15+ years of relevant systems administration experience.
  • Strong hands-on experience administering Linux systems.
  • Experience supporting systems in classified, DoD, Intelligence Community, or mission-critical environments.
  • Strong troubleshooting skills across operating systems, hardware, storage, networking, and applications.
  • Experience with system patching, security hardening, vulnerability remediation, and compliance support.
  • Experience maintaining system documentation, SOPs, and configuration records.
  • Ability to work independently and manage priorities in a fast-paced environment.
  • Strong communication skills and ability to work with technical and non-technical stakeholders.
Desired Skills
  • Experience with Red Hat Enterprise Linux, CentOS, Ubuntu, or similar Linux distributions.
  • Experience with virtualization, storage, and enterprise infrastructure.
  • Familiarity with monitoring/logging tools such as Splunk, Nagios, Grafana, Prometheus, or similar.
  • Experience with STIGs, RMF, ACAS/Nessus, or other security compliance tools.
  • Familiarity with Git, Jira, Confluence, or other collaboration tools.
  • Experience mentoring junior team members or leading technical efforts.
Benefits
  • 100% paid medical, dental, and vision coverage through CareFirst
  • Coverage includes employee and family
  • No payroll deductions or deductibles
  • Short-term and long-term disability coverage
  • Life insurance equal to 150% of salary, up to $200K
  • 4 weeks of PTO
  • 11 paid holidays
  • Flexible floating holidays
  • 401(k) with 6% match, fully vested immediately
  • Annual anniversary bonus of 4%
  • Holiday and birthday bonuses
  • $5,000 annual education reimbursement
  • $100 monthly cell/internet stipend
  • Amazon Prime membership paid by the company
Ideal Candidate

The ideal candidate is a senior-level Linux systems administrator who enjoys solving difficult infrastructure problems, supporting mission-critical systems, and working in a secure environment where reliability, documentation, and operational excellence matter.