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Freelance Linux System Engineer Jobs in Illinois

Sentinel

Linux Systems Administrator

Chicago, IL · On-site

$82K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... 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

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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

Sentinel Technologies Inc.

Linux Systems Administrator

Chicago, IL · On-site

$82 - $110/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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

Tek Labs Inc

System Engineer

Mossville, IL · On-site

Systems Engineer Location: Mossville, IL - Onsite Requirements: * Bachelor''s degree in Engineering ... CAN, Linux, Python, and test automation * Experience with camera, radar, and LiDAR calibration ...

New

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 ...

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 ...

Framestore

Freelance: Nuke - Chicago

Chicago, IL · On-site

$64.75 - $73/hr

Photoshop and Linux experience * Must have US work authorization Desired Skills: * Knowledge of ... Programming and coding experience and knowledge * Experience with Hiero, Shotgun, After effects ...

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Freelance Linux System Engineer information

What does a freelance Linux system engineer do?

A Freelance Linux System Engineer is an IT professional who works independently to design, implement, maintain, and troubleshoot Linux-based systems for clients. They handle tasks such as server setup, system monitoring, security hardening, automation, and providing technical support. Freelance engineers often work remotely or on a contract basis, helping businesses optimize their Linux infrastructure according to specific project needs.

What skills and qualifications are needed to thrive as a freelance Linux system engineer?

To thrive as a Freelance Linux System Engineer, you need advanced knowledge of Linux operating systems, scripting languages (like Bash or Python), and strong troubleshooting abilities, typically supported by a degree in computer science or relevant certifications such as RHCE or CompTIA Linux+. Familiarity with configuration management tools (e.g., Ansible, Puppet), virtualization technologies, and cloud platforms is essential for managing diverse client environments. Excellent communication, time management, and client relationship skills help set top freelancers apart. These competencies ensure reliable system performance, efficient project delivery, and positive client interactions in a dynamic freelance setting.

What are common challenges freelance Linux system engineers face when managing multiple client environments?

Freelance Linux System Engineers often juggle a variety of client systems, each with unique configurations, security requirements, and update schedules. This can make it challenging to keep track of different environments, ensure compatibility, and maintain consistent documentation. Effective time management, strong organizational skills, and setting up standardized processes for monitoring and patching are key to overcoming these challenges. Building clear communication channels with clients also helps in addressing urgent issues quickly and maintaining long-term relationships.

What is the difference between Freelance Linux System Engineer vs Freelance Network Administrator?

AspectFreelance Linux System EngineerFreelance Network Administrator
CertificationsLinux certifications (e.g., LPIC, RHCE)Network certifications (e.g., CCNA, CompTIA Network+)
Work EnvironmentServer management, cloud platforms, Linux-based systemsNetwork infrastructure, routers, switches, firewalls
Industry UsageIT companies, hosting providers, cloud servicesTelecom, enterprise networks, data centers
Search & ComparisonFocus on Linux expertise, server setup, scriptingFocus on network setup, security, troubleshooting

While both roles involve technical skills and working with IT infrastructure, a Freelance Linux System Engineer specializes in Linux server environments, system configuration, and scripting. In contrast, a Freelance Network Administrator focuses on managing and securing network infrastructure. The choice depends on whether your expertise is more aligned with server management or network operations.

How much does a freelance Linux system engineer make?

Freelance Linux system engineers typically earn between $30 and $100 per hour, depending on experience, certifications, and project complexity. Annual income can vary widely based on workload, with experienced professionals earning higher rates for specialized skills like scripting, security, and cloud integration.

Is freelance Linux system engineer still in demand?

Freelance Linux system engineers are in demand due to ongoing needs for system administration, server management, and cloud infrastructure support. Skills in Linux, scripting, security, and familiarity with tools like Docker or Kubernetes increase employability in this flexible role.

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

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

What are popular job titles related to Freelance Linux System Engineer jobs in Illinois?

For Freelance Linux System Engineer jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Freelance Linux System Engineer jobs in Illinois look for?

The top searched job categories for Freelance Linux System Engineer jobs in Illinois are:

What cities in Illinois are hiring for Freelance Linux System Engineer jobs?

Cities in Illinois with the most Freelance Linux System Engineer job openings:

Freelance Linux System Engineer jobs near you

Linux Systems Administrator

Sentinel

Chicago, IL • On-site

$82K - $110K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 4 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

47th of 254 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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