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Unix Linux System Engineer Jobs in Chicago, IL (NOW HIRING)

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 ...

Sonsoft Inc

Hadoop Developer

Chicago, IL · On-site

Knowledge of HADOOP Framework and programming in Hive and Pig tools, Design, Best Practices and ... Understanding of Unix/Linux system, file systems, shell scripting * Experience with design and ...

Next Step Systems

Trade Desk Operations Engineer

Chicago, IL · On-site

$71K - $96K/yr

Responsibilities: - Perform daily procedures relevant to the trading system for equity and futures ... Chicago IL Jobs, Trade Desk Operations Engineer, UNIX, Linux, Windows, Perl, Python, Ruby, SQL ...

Aquatic Capital Management

Systems Engineer

Chicago, IL · On-site

$150K - $300K/yr

Diagnose and resolve the hardest, most obscure system issues that others cannot get to the bottom ... Deep Unix/Linux expertise across multiple distributions; comfortable at every layer of the stack.

Aquatic Capital Management

Systems Engineer

Chicago, IL · On-site

$150K - $300K/yr

Diagnose and resolve the hardest, most obscure system issues that others cannot get to the bottom ... Deep Unix/Linux expertise across multiple distributions; comfortable at every layer of the stack.

Kyndryl

Mainframe z/VM & Linux

Chicago, IL · On-site

... 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 ...

CYNET SYSTEMS

Java Technical Architect

Chicago, IL · On-site

$60 - $65/hr

Experience with UNIX/Linux-based systems. * Experience with Spring Batch. Responsibilities: * Lead ... DevOps, Cloud Platform (OCP, Kubernetes), and modern CI/CD developer tool kit (STS/IntelliJ ...

Sonsoft Inc

Hadoop Consultant

Chicago, IL · On-site

Knowledge of HADOOP Framework and programming in Hive and Pig tools, Design, Best Practices and troubleshooting * Understanding of Unix/Linux system, file systems, shell scripting * Experience with ...

Sonsoft Inc

Hadoop Consultant

Chicago, IL · On-site

Knowledge of HADOOP Framework and programming in Hive and Pig tools, Design, Best Practices and troubleshooting * Understanding of Unix/Linux system, file systems, shell scripting * Experience with ...

Alpha Nexus Group

Lead Linux Engineer

Chicago, IL · On-site

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 ...

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Showing results 21-40

All JobsUnix Linux System Engineer JobsUnix Linux System Engineer Jobs in Chicago, IL

Unix Linux System Engineer information

See Chicago, IL salary details

$10

$52

$72

How much do unix linux system engineer jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for unix linux system engineer in Chicago, IL is $52.91, according to ZipRecruiter salary data. Most workers in this role earn between $47.07 and $59.42 per hour, depending on experience, location, and employer.

What does a Unix Linux system engineer do?

On a daily basis, Unix Linux System Engineers are responsible for monitoring system performance, managing server configurations, applying security patches, and troubleshooting any system-related issues. They often collaborate closely with network administrators, database administrators, and application developers to ensure that all systems are running efficiently and securely. Effective communication and documentation are key, as system changes or incidents usually require coordination across multiple IT teams to minimize downtime and maintain service continuity.

What is a Unix Linux system engineer?

Unix Linux System Engineers are IT professionals responsible for designing, implementing, managing, and troubleshooting Unix and Linux-based operating systems and servers. They ensure systems are running efficiently, securely, and are regularly updated. Their duties often include system monitoring, performance tuning, automation with scripts, backup management, and supporting users or other IT staff. They play a critical role in maintaining the backbone of many enterprise IT infrastructures.

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

AspectUnix Linux System EngineerNetwork Administrator
CertificationsLinux+, RHCE, CompTIA Server+CCNA, Network+
Work EnvironmentData centers, server rooms, cloud environmentsOffice networks, enterprise LAN/WAN
ResponsibilitiesServer setup, scripting, system optimizationNetwork configuration, troubleshooting, security
Industry UsageIT, cloud services, hosting providersCorporate, telecommunications, education

The Unix Linux System Engineer primarily focuses on managing and optimizing Unix/Linux servers and systems, while the Network Administrator handles network infrastructure and connectivity. Both roles require technical certifications and work in IT environments, but their core responsibilities differ—system engineering versus network management.

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

To thrive as a Unix/Linux System Engineer, you need strong expertise in Unix/Linux operating systems, scripting (such as Bash or Python), networking fundamentals, and a relevant degree or equivalent experience. Familiarity with configuration management tools like Ansible or Puppet, virtualization platforms, and certifications such as Red Hat Certified Engineer (RHCE) are highly valuable. Analytical problem-solving, attention to detail, and effective communication help you excel in diagnosing issues and collaborating with teams. These skills are essential for maintaining system reliability, optimizing performance, and ensuring secure, uninterrupted IT operations.
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Unix Linux System Engineer jobs near you
Infographic showing various Unix Linux System Engineer job openings in Chicago, IL as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $110,050 per year, or $52.9 per hour.

C++ Trading System Engineer

Request Technology, LLC

Woodridge, IL • On-site

Other

Posted 28 days ago

Job description

***5 Days Onsite***

***We are unable to sponsor as this is a permanent full-time role***

Responsibilities:

  • Architect, develop, and maintain low-latency trading applications and market access systems in modern C++.
  • Collaborate with traders, quants, and researchers to implement, refine, and evaluate algorithmic and quantitative trading strategies.
  • Implement new trading algos and research ideas in the internal core trading framework.
  • Design and implement exchange connectivity, order routing, and market data feed handlers across multiple asset classes and venues worldwide.
  • Optimize systems for speed, throughput, scalability, and reliability, using profiling, performance tuning, and latency analysis.
  • Participate in all phases of the software development lifecycle, from requirements and design to testing, deployment, and production support.
  • Research and recommend new technologies, tools, and methods to improve performance, scalability, and code quality.

Qualifications:

  • A degree in Computer Science, Engineering, Mathematics, Physics, or a related STEM field (Bachelor s, Master s, or PhD).
  • At least 5 years of experience developing performance-critical software in modern C++ (C++14 or newer).
  • Strong knowledge of multi-threading, memory management, and network/socket programming (TCP/UDP).
  • Familiarity with Linux/Unix environments and network tools (Wireshark, TCPDump).
  • Strong organizational and software architecture skills with an eye for performance profiling and optimization.

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