Senior Linux Administrator Jobs

Explore Senior Linux Administrator jobs on Ladders, where professionals can find vetted opportunities paying $100,000 or more. Senior Linux administrators keep essential systems reliable, secure, and responsive while helping organizations scale their infrastructure. Browse roles across industries and discover opportunities that match your technical expertise and career goals.

What Senior Linux Administrators Do

Senior Linux administrators design, manage, and troubleshoot Linux-based environments. Their responsibilities may include maintaining servers and operating systems, managing user access and storage, monitoring system performance, applying patches, and resolving complex outages. Many roles also involve collaborating with engineering, security, and operations teams to improve availability and operational standards.

Common Skills and Technologies

Employers often seek deep experience with Linux distributions such as Red Hat Enterprise Linux, Ubuntu, or Debian; scripting with Bash or Python; and infrastructure tools such as Ansible, Puppet, or Chef. Depending on the role, useful experience may also include virtualization, containers, cloud platforms, networking, observability, backup and recovery, and security hardening. Requirements vary by employer and environment.

Career Opportunities

Senior Linux administrators may specialize in cloud infrastructure, platform engineering, systems security, or site reliability. With broader ownership of architecture and operations, experienced professionals can pursue paths such as Linux systems architect, infrastructure manager, cloud engineer, or site reliability engineer. Senior roles commonly combine hands-on technical work with mentoring and cross-team collaboration.

Find Senior Linux Administrator Jobs on Ladders

Search Ladders for vetted Senior Linux Administrator opportunities with salaries of $100,000 or more. Review job requirements, compare roles, and find positions that fit your experience with Linux systems, automation, and infrastructure operations.

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1
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$72K - $121K *

Advance your career by managing system operations, maintenance, and administration. Collaborate on technology integration, optimize performance, and ensure data protection while enhancing processes in...

Montreal, QCIn-Person

Today

  •   Less than 5 years exp.  •   Energy & Utilities

$164K - $200K *

Lead a high-performing Agile team as a Senior Windows System Administrator, providing operations support, security management, and technical guidance for complex systems across a broad geographic foot...

Reposted 3 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$175K - $225K *

Manage and optimize IT infrastructure, ensuring high availability and performance. Collaborate with teams to troubleshoot issues, automate tasks, and maintain security. Provide Tier 1 and Tier 2 suppo...

2 weeks ago

  •   8 - 10 years exp.  •   Enterprise Technology

$113K - $138K *

Unlock potential by managing Azure environments and supporting Army training initiatives. Collaborate with teams to ensure secure, efficient cloud operations while overseeing hardware and software con...

1 week ago

  •   15+ years exp.  •   Aerospace & Defense

$80K - $100K *

Champion operational excellence by leading IT systems management, ensuring robust network design, and fostering team development to drive innovation and efficiency in a dynamic environment...

2 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$88K - $105K *

Champion the stability and performance of multi-user computer systems while collaborating with network engineers. Ensure optimal operation through system documentation, software installation, and poli...

Reposted today

  •   Less than 5 years exp.  •   Information Technology

$88K - $92K *

Join a team that's dedicated to optimizing IT systems for efficient manufacturing. Take ownership of day-to-day IT support and collaborate with leadership to ensure reliable technology solutions in a...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$88K - $105K *

Unlock your potential as a System Administrator, managing IT systems and infrastructure. Engage in troubleshooting, maintenance, and optimization of UNIX and Windows environments while providing top-t...

2 weeks ago

  •   8 - 10 years exp.  •   Information Technology

$95K - $115K *

Optimize cloud infrastructure and database environments, ensuring security, scalability, and performance. Collaborate with cross-functional teams to maintain reliable systems that support critical app...

2 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$80K - $82K *

Pioneer IT solutions by managing systems, optimizing performance, and ensuring security compliance in a dynamic Linux environment while collaborating closely with cross-functional teams...

4 weeks ago

  •   Less than 5 years exp.  •   Staffing

$92K - $108K *

Join a team that's transforming IT infrastructure by managing and enhancing systems, ensuring security, and driving innovation. Leverage your expertise in cloud, virtualization, and networking to supp...

Today

  •   5 - 7 years exp.  •   Education, Government & Non-Profit

$118K - $224K *

Join a dynamic team as a Systems Administrator, managing classified IT infrastructures in a collaborative environment. Leverage your expertise in Linux and Windows while mentoring junior staff and tac...

Today

  •   5 - 7 years exp.  •   Aerospace & Defense

$171K - $223K *

Drive mission success by troubleshooting Linux systems, automating processes, and providing hands-on engineering support. Collaborate with teams to ensure secure and efficient operations in a dynamic...

3 weeks ago

  •   8 - 10 years exp.  •   Staffing

$90K - $121K *

Advance your career as a key IT System Administrator, supporting a diverse college community. Collaborate with technical teams to manage and optimize server infrastructure, ensuring robust cybersecuri...

2 weeks ago

  •   Less than 5 years exp.  •   Education, Government & Non-Profit

$100K - $120K *

Support enterprise systems administration and operational IT services, ensuring reliable and secure infrastructure. Collaborate with cross-functional teams to maintain and enhance server, application...

3 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$80K - $95K *

Join a team that's dedicated to maintaining secure and reliable IT services. As a Systems Administrator, you'll oversee server management, support enterprise applications, and collaborate with enginee...

3 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$140K - $200K *

Grow your career with a dynamic team focused on securing and optimizing Windows and Azure infrastructures. As a Senior IT Systems Administrator, you'll lead projects, mentor peers, and ensure system r...

6 days ago

  •   5 - 7 years exp.  •   Aerospace & Defense

$95K - $115K *

Unlock your potential by overseeing complex Solaris environments, managing installations, configurations, and maintenance of Sun servers while collaborating with global teams to enhance system perform...

Today

  •   5 - 7 years exp.  •   Information Technology

$80K - $120K *

Empower a diverse workforce by managing IT systems, providing expert support, and enforcing security policies. Collaborate with technical and non-technical teams to ensure seamless technology experien...

2 weeks ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$85K - $95K *

Optimize network performance and security by implementing and managing infrastructure, troubleshooting issues, and providing user support. Collaborate with IT teams to ensure seamless operations and m...

2 weeks ago

  •   Less than 5 years exp.  •   Healthcare

$90K - $105K *

Join a team that's shaping the future of systems administration education. Teach applied courses, develop hands-on labs, and mentor students while leveraging your real-world experience in modern compu...

1 week ago

  •   5 - 7 years exp.  •   Education, Government & Non-Profit

$95K - $115K *

Join a dynamic team to oversee and enhance Windows server environments, ensuring optimal performance and security. Collaborate on system integrations and improvements while maintaining operational exc...

2 days ago

  •   5 - 7 years exp.  •   Finance & Insurance

$100K - $120K *

Take ownership of system administration across cloud and on-premise environments, focusing on Data Loss Prevention. Collaborate with teams to enhance security, troubleshoot issues, and ensure seamless...

1 week ago

  •   5 - 7 years exp.  •   Aerospace & Defense

$80K - $95K *

Join a team that's dedicated to managing IT environments, providing technical support, and ensuring security across systems. Collaborate with specialists to tackle complex incidents and enhance operat...

4 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$95K - $115K *

Engage in critical systems administration to enhance application capabilities, support intelligence operations, and ensure seamless IT service delivery across diverse platforms and environments, contr...

2 weeks ago

  •   11 - 15 years exp.  •   Information Technology

Frequently Asked Questions (FAQ)

  • What does a Senior Linux Administrator do?question toggle

    A Senior Linux Administrator manages and improves Linux systems, including server configuration, performance monitoring, patching, access controls, troubleshooting, and reliability. The exact scope depends on the employer and infrastructure.

  • What skills are commonly required for Senior Linux Administrator jobs?question toggle

    Common requirements include advanced Linux administration, scripting with Bash or Python, troubleshooting, networking fundamentals, and experience with automation tools. Cloud, virtualization, containers, security, and monitoring skills may also be requested.

  • How much do Senior Linux Administrator jobs on Ladders pay?question toggle

    Ladders focuses on vetted professional jobs paying $100,000 or more. Compensation for a specific Senior Linux Administrator role varies by employer, location, experience, and responsibilities.

  • What career paths can follow a Senior Linux Administrator role?question toggle

    Potential next steps include Linux systems architect, infrastructure or operations manager, cloud engineer, platform engineer, and site reliability engineer, depending on your interests and experience.

  • Where can I find Senior Linux Administrator jobs?question toggle

    Browse Senior Linux Administrator listings on Ladders to explore vetted opportunities paying $100,000 or more.