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Senior Linux System Engineer Jobs in Naperville, IL

Sentinel

Linux Systems Administrator

Chicago, IL · On-site

$82K - $110K/yr

... system availability, performance tuning, automation, patching, monitoring, security, disaster recovery, and infrastructure upgrades across data centers and manufacturing locations. The engineer will ...

Sentinel

Linux Systems Administrator

Chicago, IL · Hybrid

$82K - $110K/yr

... system availability, performance tuning, automation, patching, monitoring, security, disaster recovery, and infrastructure upgrades across data centers and manufacturing locations. The engineer will ...

Kyndryl

Mainframe z/VM & Linux

Chicago, IL

... Engineer to support IBM Z virtualization environments and Linux on Z platforms. This role is responsible for provisioning, maintaining, and optimizing virtual machines and Linux systems running on z ...

Next Step Systems

Senior Systems Engineer

Chicago, IL · On-site

$107K - $147K/yr

Keywords: Chicago IL Jobs, Senior Systems Engineer, Linux Servers, Scripting, Automation Tools, TCP/IP, Networking Concepts, Trading Infrastructure, Financial, Software Engineer, Architect ...

Alpha Nexus Group

Lead Linux Engineer

Chicago, IL

System Administration (primary function) Manage the server (Linux) and user (Windows) computer environment Troubleshoot and resolve hardware and user software issues Provision, install, and setup new ...

Next Step Systems

Senior Trading Systems Engineer

Chicago, IL · On-site

$107K - $147K/yr

Chicago IL Jobs, Senior Trading Systems Engineer, Linux Servers, Scripting, Automation Tools, TCP/IP, Networking Concepts, Trading Infrastructure, Financial, Software Engineer, Architect, Programmer ...

KONNECTINGTREE INC

Linux Administrator

Chicago, IL · On-site

Identify performance bottlenecks and work with senior engineers to implement optimizations ... experience in Linux/Unix system administration in an enterprise environment * Demonstrated ...

Ensono

Senior Patching Engineer - Linux

Downers Grove, IL · On-site

$80K - $135K/yr

Implement and maintain standardized patching processes across Windows, Linux, and non-Windows environments. * Use Tanium to deploy OS and third-party patches, perform compliance assessments, and ...

Ensono

Senior Patching Engineer - Linux

Downers Grove, IL · On-site +1

$80K - $135K/yr

Implement and maintain standardized patching processes across Windows, Linux, and non-Windows environments. * Use Tanium to deploy OS and thirdparty patches, perform compliance assessments, and ...

Acara Solutions

System Engineer

Buffalo Grove, IL

$50/hr

Job Title: System Engineer Location: Buffalo Grove, IL Employment: Temp (5 months) Industry ... Works with senior engineering personnel, mechanical engineers, lab engineers, technical writer ...

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All JobsLinux System Engineer JobsSenior Linux System Engineer JobsSenior Linux System Engineer Jobs in Naperville, IL

Senior Linux System Engineer information

See Naperville, IL salary details

$100.3K

$127.7K

$158.3K

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

As of Aug 14, 2026, the average yearly pay for senior linux system engineer in Naperville, IL is $127,736.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,800.00 and $137,800.00 per year, depending on experience, location, and employer.

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

To thrive as a Senior Linux System Engineer, you need deep expertise in Linux operating systems, scripting (such as Bash, Python, or Perl), system architecture, and a relevant degree or equivalent experience. Familiarity with configuration management tools (like Ansible or Puppet), virtualization platforms, cloud services, and certifications such as RHCE or LPIC are highly valued. Strong problem-solving, collaboration, and communication skills help you efficiently manage complex environments and mentor junior staff. These capabilities are crucial for ensuring system stability, security, and scalability in mission-critical IT infrastructures.

What are some common challenges a senior Linux system engineer faces when managing large-scale server environments?

Senior Linux System Engineers often encounter challenges related to maintaining system uptime, managing complex configurations, and ensuring security across a large number of servers. Troubleshooting issues in distributed environments, automating repetitive tasks, and keeping systems up-to-date with the latest patches are also frequent responsibilities. Collaboration with development, security, and networking teams is essential to resolve cross-functional issues and implement new solutions efficiently. Staying current with evolving technologies and best practices is key to overcoming these challenges and excelling in the role.

What does a senior Linux system engineer do?

A Senior Linux System Engineer is responsible for designing, implementing, maintaining, and troubleshooting Linux-based systems and servers within an organization. They ensure the reliability, security, and optimal performance of these systems, often leading projects and mentoring junior engineers. Their tasks may include automation, scripting, system updates, monitoring, and responding to incidents. They also collaborate with other IT teams to support business needs and implement best practices for system administration.

What is the difference between Senior Linux System Engineer vs Linux System Administrator?

AspectSenior Linux System EngineerLinux System Administrator
CertificationsLinux Professional Institute Certification (LPIC), RHCELPIC, RHCE often preferred
Work EnvironmentDesigning, implementing, and optimizing Linux infrastructureMaintaining and supporting existing Linux systems
ResponsibilitiesAdvanced troubleshooting, system architecture, scriptingSystem setup, user management, routine maintenance

The Senior Linux System Engineer typically focuses on designing and optimizing Linux environments, requiring advanced skills and certifications. In contrast, the Linux System Administrator handles daily maintenance and support tasks. Both roles often require similar certifications and work in similar environments, but their responsibilities differ in scope and complexity.

What are popular job titles related to Senior Linux System Engineer jobs in Naperville, IL?

For Senior Linux System Engineer jobs in Naperville, IL, the most frequently searched job titles are:

What job categories do people searching Senior Linux System Engineer jobs in Naperville, IL look for?

The top searched job categories for Senior Linux System Engineer jobs in Naperville, IL are:

What cities near Naperville, IL are hiring for Senior Linux System Engineer jobs?

Cities near Naperville, IL with the most Senior Linux System Engineer job openings:

Senior Linux System Engineer jobs near you

Linux Systems Administrator

Sentinel

Chicago, IL • On-site

$82K - $110K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 29 days ago

Sentinel Real Estate rating

8.1

Company rating: 8.1 out of 10

Based on 11 frontline employees who took The Breakroom Quiz

46th of 252 rated facilities management

Job description

Responsibilities
Sentinel is seeking a Linux Systems Engineer for one of our strategic partners. This administrator is responsible to install, administer, and support Red Hat Enterprise Linux, VMware ESXi, HPE infrastructure, and Azure cloud environments that host critical Oracle and enterprise applications. This role is responsible for system availability, performance tuning, automation, patching, monitoring, security, disaster recovery, and infrastructure upgrades across data centers and manufacturing locations. The engineer will troubleshoot hardware and software issues, manage capacity and backups, support change management processes, document standards, and participate in a 24/7 on-call rotation. Success requires strong problem-solving skills, proactive system management, and collaboration with internal teams and vendors.
This is a Direct Hire hybrid role based in downtown Chicago, IL
Qualifications
  • 2+ years of experience supporting enterprise Linux and virtualized infrastructure, including Red Hat Enterprise Linux, VMware, and hybrid on-premises/cloud environments.
  • Hands-on experience with Red Hat Satellite for patching, upgrades, system lifecycle management, and maintaining highly available production environments.
  • Strong automation and scripting skills with experience in Ansible, CI/CD processes, and automating system administration tasks such as provisioning, patching, and monitoring.
  • Knowledge of HPE server infrastructure, SAN/storage technologies, and backup/recovery solutions (Veeam, Avamar, or similar), with a focus on availability, performance, and disaster recovery.
  • Solid understanding of Linux operating systems, networking, and security, including TCP/IP, DNS, NFS, HTTP/S, vulnerability remediation, and infrastructure hardening.
  • Experience troubleshooting and supporting mission-critical applications and infrastructure in a 24/7 production environment, with Oracle, Docker, or Kubernetes experience considered a plus.
  • Strong problem-solving, communication, and collaboration skills, with the ability to document processes, manage change controls, and drive continuous infrastructure improvements.
  • Legally authorized to work in the US without sponsorship
  • Must demonstrate a "can-do" attitude

We focus on candidates that display our "ACE" factor - Attitude, Compassion, and Enthusiasm to deliver quality solutions with exceptional customer service.
Compensation Range:
$82,000-$110,000/annually
What you get:
Our partner offers a comprehensive benefits package starting on day one, including medical, dental, and vision coverage, with the company covering approximately 75% of premium costs. Employees are eligible for both a 401(k) with company match and a pension plan, along with optional benefits such as life, accident, legal, and pet insurance. The company also provides annual or quarterly bonus opportunities tied to safety, quality, and productivity performance, as well as paid time off and paid holidays.
Overview
MOTIVATED.....make IT happen!
Sentinel Technologies, Inc. has been rated a top workplace every year since 2012!
About Us:
Sentinel delivers solutions that can efficiently address a range of IT needs - from security, to communications, to systems & networks, to software applications, to cloud and managed services; all of which include our staffing solutions for our clients. Since 1982, Sentinel has grown from providing technology maintenance services to our current standing as one of the leading IT services and solutions provider in the US. We have aligned with many of today's global technology leaders including Cisco, Dell, VMware and Microsoft. Sentinel services customers both nationally and internationally with primary support operating centers in Downers Grove (HQ), Chicago, and Springfield, IL; Phoenix, AZ.; Lansing, and Grand Rapids, MI; Milwaukee, WI; and Denver, CO.
If you are MOTIVATED... you can make IT happen at Sentinel. Our commitment to our employees is to create a work environment that encourages creativity, an entrepreneurial spirit, fosters growth through certification and hands-on training, and values a team-oriented culture with rewards based on impact!
If you share our passion about what technology can do and want to be part of a top workplace environment - we'd like to have you join our team. Learn more at www.sentinel.com/careers.
As part of Sentinel's employment process, candidates will be required to complete a background check. Only those who meet the minimum requirements will be contacted. No phone calls please.
Sentinel is proud to be an equal opportunity employer including disability and veterans. In accordance with Title VII and state regulations, all qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, marital status, pregnancy, genetics, disability, military, veteran status or any other basis protected by law.
If you are an individual with a disability and need assistance in applying for a position, please contact SentinelHR1@sentinel.com.
The "Know Your Rights" Poster is available here
https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf
Sentinel EEO Policy Statement is available here.
https://www.sentinel.com/about/diversity
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