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Senior Linux System Administrator Jobs in Indiana

MANTECH seeks a motivated, career and customer-oriented Senior Linux System Administrator to join our team working in Crane, IN. This is a hybrid position requiring 3 days onsite per week.

Administer and support operating systems (e.g., Windows Server, Linux), business applications, and Microsoft 365 * Apply patches and support backup, recovery, and security best practices to safeguard ...

Administer and support operating systems (e.g., Windows Server, Linux), business applications, and Microsoft 365 * Apply patches and support backup, recovery, and security best practices to safeguard ...

Linux (Red Hat, Ubuntu, CentOs...) * Active Directory * Virtualization (VmWare) * Monitoring tools (Nagios) * Scripting (Bash and Powershell) * Cloud (Azure, AWS, Google Cloud...) * ... WHAT DO WE ...

Administer and support operating systems (e.g., Windows Server, Linux), business applications, and Microsoft 365 * Apply patches and support backup, recovery, and security best practices to safeguard ...

... and Linux server environments supporting mission and training operations. * Administer physical, virtual, and cloud-based infrastructure to ensure system availability, performance, and security.

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Showing results 1-20

Senior Linux System Administrator information

See Indiana salary details

$20.9K

$121.1K

$169.9K

How much do senior linux system administrator jobs pay per year?

As of Aug 12, 2026, the average yearly pay for senior linux system administrator in Indiana is $121,065.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,800.00 and $142,700.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior Linux system administrator?

To thrive as a Senior Linux System Administrator, you need deep expertise in Linux/UNIX system administration, scripting, networking, and troubleshooting, typically backed by several years of industry experience and a relevant degree or certifications like RHCE or CompTIA Linux+. Proficiency with tools such as Ansible, Puppet, Docker, and monitoring platforms, as well as experience with cloud environments, is highly valued. Strong problem-solving abilities, communication skills, and the capacity to mentor junior team members are crucial soft skills. These abilities are essential for ensuring reliable system uptime, seamless team collaboration, and effective response to complex IT challenges.

What is a senior Linux system administrator?

A Senior Linux System Administrator is responsible for managing, configuring, and maintaining Linux-based systems and servers. They handle system performance tuning, security hardening, troubleshooting, and automation through scripting and configuration management tools. Additionally, they oversee backups, software updates, and infrastructure reliability. This role often involves mentoring junior administrators and collaborating with development and IT teams to support business operations.

What are the typical daily responsibilities of a senior Linux system administrator?

Senior Linux System Administrators are responsible for managing, maintaining, and optimizing Linux-based servers and infrastructure. Their daily tasks often include monitoring system performance, managing user permissions, applying security patches, automating processes through scripting, and troubleshooting technical issues. They regularly collaborate with developer, security, and operations teams to support new deployments and ensure system reliability. Additionally, they may mentor junior administrators and contribute to designing infrastructure improvements, making this a dynamic and influential role within IT operations.

What are the most commonly searched types of Linux System Administrator jobs in Indiana? The most popular types of Linux System Administrator jobs in Indiana are:
What job categories do people searching Senior Linux System Administrator jobs in Indiana look for? The top searched job categories for Senior Linux System Administrator jobs in Indiana are:
What cities in Indiana are hiring for Senior Linux System Administrator jobs? Cities in Indiana with the most Senior Linux System Administrator job openings:
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Infographic showing various Senior Linux System Administrator job openings in Indiana as of August 2026, with employment types broken down into 82% Full Time, 5% Part Time, and 13% Contract. Highlights an 86% In-person, and 14% Remote job distribution, with an average salary of $121,065 per year, or $58.2 per hour.

Senior Linux System Administrator

Prophecy Technologies

Indianapolis, IN • On-site

Full-time

Posted 9 days ago


Job description

Role Overview:
This role is for a Linux Subject Matter Expert (SME) with strong L3-level expertise in Red Hat Enterprise Linux. The successful candidate will provide critical support for mission-critical Linux systems, troubleshoot complex issues, manage clustering environments, and automate tasks using Ansible, while also supporting cloud-based Linux workloads in AWS.
Key Responsibilities:
  • Provide L3-level support for Red Hat Enterprise Linux systems in mission-critical environments.
  • Troubleshoot complex OS, performance, storage, network, and application-level issues.
  • Manage and support Red Hat Cluster environments ensuring high availability and business continuity.
  • Perform root cause analysis (RCA) and implement preventive measures.
  • Automate system administration and configuration management tasks using Ansible.
  • Implement system hardening, patching, upgrades, and security best practices.
  • Work on system performance tuning and capacity planning.
  • Collaborate with application, network, storage, and security teams.
  • Support cloud-based Linux workloads in AWS (EC2, EBS, VPC, IAM - good to have).
  • Participate in on-call rotation and provide 24x7 production support.
  • Prepare and maintain technical documentation.

Required Skills:
  • Linux Subject Matter Expert (SME) with strong L3-level expertise in Red Hat Enterprise Linux.
  • Strong clustering knowledge.
  • Automation experience using Ansible.
  • Working knowledge of Amazon Web Services (AWS).
  • Strong collaboration skills.

Qualifications:
  • 6-8 years of experience.
  • L3-level expertise in Red Hat Enterprise Linux.

Preferred Skills:
  • Unix / Linux Basics and Commands.
  • RedHat Linux.