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Senior Linux System Administrator Jobs in Illinois

SG Cap Trading

Linux Systems Engineer

Chicago, IL · On-site

Troubleshoot Linux system issues and assist with hardware maintenance. Set up desktops, laptops ... Work-Life Balance - no excessive overtime Mentorship from senior engineers Experience with ...

SG Cap Trading

Linux Systems Engineer

Chicago, IL · On-site

Troubleshoot Linux system issues and assist with hardware maintenance. Set up desktops, laptops ... Work-Life Balance - no excessive overtime Mentorship from senior engineers Experience with ...

HARRIS & HARRIS LTD

Sr. System Administrator

Chicago, IL · On-site

$100K - $120K/yr

We're looking for friendly, professional, and motivated Sr. Systems Administrator to join our Information Technology team. If you're looking for a company that embraces the principles of respect ...

Oakton College

Senior Systems Administrator

Des Plaines, IL · On-site

$83K - $112K/yr

Oakton College is seeking a Senior Systems Administrator to oversee the day-to-day operations and ... Includes Hypervisor (Currently VMWare/Hyper-V), Linux, and Windows. • Installs system software ...

Syntricate Technologies

UNIX/LINUX Admin

Chicago, IL · On-site

Job Summary : Syntricate Technologies is seeking a UNIX/LINUX Admin based in Chicago, IL for a ... The role involves maintaining servers using various UNIX and Linux operating systems, participating ...

Shure

Senior Systems Administrator

Niles, IL · On-site

$86K - $117K/yr

Focus on optimizing system performance, scalability, and security across all platforms. * Manage ... At least 4 years' advanced proficiency with Windows and Linux systems administration * 3+ years of ...

AAR Corporation

System Administrator

Wood Dale, IL

$90K - $120K/yr

The System Administrator will serve as an integral member of the infrastructure management and ... Linux experience * Strong IT customer service skills for supporting end user application issues.

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Senior Linux System Administrator information

See Illinois salary details

$21.3K

$123.3K

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

As of Sep 2, 2026, the average yearly pay for senior linux system administrator in Illinois is $123,287.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,700.00 and $145,400.00 per year, depending on experience, location, and employer.

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 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 are the most commonly searched types of Linux System Administrator jobs in Illinois?

The most popular types of Linux System Administrator jobs in Illinois are:

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For Senior Linux System Administrator jobs in Illinois, the most frequently searched job titles are:

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Senior Linux System Administrator jobs near you
Infographic showing various Senior Linux System Administrator job openings in Illinois as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 17% Part Time, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $123,287 per year, or $59.3 per hour.

Senior System Administrator

Moraine Valley Community College

Palos Hills, IL • On-site

$87K - $118K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 29 days ago

Job description

Posting Details
Position Information
Job Title
Senior System Administrator
Classification Title
Department
Infrastructure & Network Services
Work Location
Main Campus
Duties
Under direction, the Senior System Administrator is responsible for reviewing the design, installation, maintenance, training, and support of Windows servers and database functions, hardware and software used to support the college's systems. The Senior System Administrator is responsible for the following. Other duties may be assigned. The Senior System Administrator is dedicated to learning college concepts by developing programs and facilitating activities that promote student success and lifelong learning.
Summary
  • Administration and support of data flows between enterprise systems as well as contributing to the development and operation of those integrations.
  • Pre-installation activities of purchased software and vendor releases while also establishing software standards, conducting capacity planning, and managing system resource allocation for institutional products.
  • Ensuring security and integrity of all operating system software and related applications. Analyzes production issues, identifies root causes and provides recommendations for operational improvements.
  • Responsible for administration of all MS-SQL databases associated with the college's business systems including performing full DBA functions and maintaining database authority.
  • Responsible for administration of cloud-based identity and access management services. Responsible for ADFS, Azure Entra ID SSO, and AD integration with all other systems at the college.
  • Responsible for the administration and operational support of the college's bookstore point-of-sale system, SAS application, and Business Intelligence and Reporting systems.

Education/Experience
Bachelor's degree in Computer Science or related field required. Three to five (3-5) years' experience in IT required. Experience with MS-SQL Administration. MS-SQL certification and Azure and Windows certification.
Please ensure you have a minimum of three years of (full-time equivalent) experience outlined in your resume and application.
Qualifications
In addition to the above requirements,
  • Must have demonstrated analytical ability to logically approach applications.
  • Demonstrated knowledge of Windows-based enterprise operating systems and related network services.
  • Demonstrated knowledge in ADFS and integration techniques; identities management in Azure AD; integrating third party applications with Azure Intra ID SSO; MS-SQL database administration.
  • Knowledge of PowerShell scripting and Python; hybrid IT infrastructure; provisioning SQL databases in Azure; Hyper-V and SAN technologies; database design and information retrieval techniques; Linux and monitoring tools (such as Nagios and Grafana).
  • Basic Knowledge of SharePoint Administration, both on-premise and online; Azure infrastructure administration; SAS, SAP BO, PBIRS and reporting solutions; POS systems and their integration with third-party applications.
  • Self-starter with strong aptitude for adapting to technological changes and learning new platforms.
  • Above average communication skills.

Position Status
Full Time
Hours
General Hours - Monday - Friday 8:00 a.m. to 5:00 p.m.
Primarily on-site. Alternative hybrid work arrangement/remote days may be available.
On-call 24/7 for emergencies.
Must be a resident of IL/IN or reciprocal state.
Sponsorship is not available.
Salary/Wage
$70,075-$90,000 plus exceptional benefits
Hourly/Salary
Salaried
Benefits
FT Professionals
Moraine Valley offers a generous benefits plan which includes paid time off, tuition discounts for employees and dependents, medical, dental, vision, and retirement benefits in a collaborative and friendly environment. These include:
  • Health, Dental, Vision
  • Life insurance, Optional life
  • Disability insurance
  • Tuition reimbursement
  • Tuition waiver
  • SURS Retirement plan
  • Vacation Days
  • Holidays
  • Sick Leave
  • Personal days
  • Bereavement days
  • Tax-sheltered annuity plans

Visit these links to learn more about specific benefits for this position:
Benefit HighlightsBenefit Guide-Details
Review of Applications Begins
07/20/2026
Posting Detail Information
Posting Number
AP00578P
Open Date
07/06/2026
Close Date
Open Until Filled
Yes
Special Instructions to Applicants
Please submit all required documentation. Upon successful completion, you will receive a confirmation email. For questions, contact hr@morainevalley.edu or 708-974-5704.

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