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Linux Software Engineer Jobs in Illinois (NOW HIRING)

Chupdown

System Software Engineer

Chicago, IL · On-site

$150 - $200/hr

We are looking for a talented System Software engineer, experienced with Linux and HPC, and capable with advanced AI tools to lead the design and enhancement of system software for a sophisticated ...

Posted today

Motorola Solutions, Inc.

Software Engineer

Schaumburg, IL · On-site

$56K - $85K/yr

Leveraging the latest in virtualization technologies on a robust Linux platform, our team follows modern software development practices such as continuous integration/continuous deployment, DevOps, ...

Motorola

Software Engineer

Schaumburg, IL · On-site

$56K - $85K/yr

Leveraging the latest in virtualization technologies on a robust Linux platform, our team follows modern software development practices such as continuous integration/continuous deployment, DevOps, ...

SG Cap Trading

Full Stack Software Engineer

Chicago, IL · On-site

Full Stack Software Engineer ID: 1021 Location: Chicago, IL More about this job > Description SG is ... Comfortable in Linux environments (Ubuntu/Debian, CentOS/RHEL). * Strong problem-solving skills and ...

TransMarket Group

Senior Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

Tools: C++, Python, Bash, Linux, SQL Requirements * Bachelor's degree in a quantitative or technical field, plus five years of experience in software engineering, or a Master's degree in a ...

Polluxa, Inc.

Embedded Software Engineer 2

Chillicothe, IL · On-site

$100 - $125/hr

Embedded Software Engineer 2. Key technologies: c++14, Embedded Software, Embedded Software Development, Git, Linux. Key Responsibilities * Design, develop and maintain scalable software systems

Posted today

RBN Chicago

Lead Software Engineer

Chicago, IL · On-site

... Linux and Windows Excellent communication skills Advanced degree in Computer Science or Computer Engineering (Master's or PhD preferred) 5+ years in hands-on software development for a software or ...

RBN

Lead Software Engineer

Chicago, IL

... Linux and Windows Excellent communication skills Advanced degree in Computer Science or Computer Engineering (Master's or PhD preferred) 5+ years in hands-on software development for a software or ...

Tech Tammina LLC

Embedded Software Engineer 4

Mossville, IL · On-site

$95K - $126K/yr

Linux systems + concurrency + performance engineering Education/Experience: * Bachelor's degree in computer science, software engineering or relevant field required. * 8-10 years experience

CACI International, Inc.

Software Engineer

Lisle, IL · On-site

Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to ... Familiar with development in either Windows, Linux and/or Unix-based operating systems * Software ...

CACI

Software Engineer

Lisle, IL · On-site

Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to ... Familiar with development in either Windows, Linux and/or Unix-based operating systems Software ...

Old Mission

C++ Software Engineer

Chicago, IL · On-site +1

$175K - $300K/yr

About the Position Old Mission Capital LLC, is looking to add several C++ Software Engineers to ... In-depth knowledge of the Linux kernel, systems programming * A passion for solving challenging ...

SG Cap Trading

Full Stack Software Engineer

Chicago, IL · On-site

We are seeking a Full Stack Software Engineer to build and enhance the internal tools, applications ... Comfortable in Linux environments (Ubuntu/Debian, CentOS/RHEL). * Strong problem-solving skills and ...

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All JobsLinux Software Engineer JobsLinux Software Engineer Jobs in Illinois

Linux Software Engineer information

See Illinois salary details

$10

$57

$88

How much do linux software engineer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for linux software engineer in Illinois is $57.88, according to ZipRecruiter salary data. Most workers in this role earn between $46.59 and $65.00 per hour, depending on experience, location, and employer.

What does a Linux software engineer do?

A Linux Software Engineer is responsible for designing, developing, testing, and maintaining software that runs on Linux-based systems. Their work often involves writing code in languages such as C, C++, Python, or Shell scripting, and optimizing applications for performance and security on Linux platforms. They may also contribute to open-source projects, customize Linux distributions, and ensure software compatibility with different hardware architectures. Additionally, Linux Software Engineers often collaborate with other engineers to troubleshoot issues and improve system stability.

What are the key skills and qualifications needed to thrive as a Linux software engineer, and why are they important?

To thrive as a Linux Software Engineer, you need strong programming skills (such as C, C++, or Python), deep knowledge of Linux operating systems, and a relevant degree in computer science or a related field. Familiarity with Linux kernel development, version control systems like Git, and experience with build tools and debugging utilities are typically required. Problem-solving abilities, effective communication, and collaborative teamwork are crucial soft skills for success in this role. These skills and qualities are vital for building robust, efficient, and maintainable software solutions within complex Linux environments.

How does a Linux software engineer typically collaborate with other teams during the software development lifecycle?

As a Linux Software Engineer, you’ll regularly work alongside cross-functional teams such as DevOps, QA, and product management. Collaboration often involves participating in code reviews, troubleshooting system-level issues, and integrating new features with existing infrastructure. Effective communication is crucial, as you’ll need to coordinate with hardware engineers, security teams, and sometimes even customer support to ensure seamless deployment and maintenance. This collaborative environment not only enhances product quality but also provides opportunities to broaden your technical skills and network within the organization.

What is the difference between Linux Software Engineer vs Linux Developer?

AspectLinux Software EngineerLinux Developer
Primary FocusDesigning, developing, and maintaining Linux-based software systems and applications.Writing, testing, and debugging code specifically for Linux environments, often focusing on application development.
Required SkillsProficiency in Linux OS, C/C++, scripting, system architecture, and debugging tools.Strong coding skills in languages like C, C++, Python, and familiarity with Linux APIs and tools.
Work EnvironmentTypically in engineering teams working on system-level software, embedded systems, or infrastructure.Often in software development teams creating applications or tools for Linux platforms.

Linux Software Engineers focus on system-level design and maintenance of Linux-based systems, while Linux Developers primarily write and test applications for Linux. Both roles require Linux proficiency but differ in scope and responsibilities.

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

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

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

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

What are popular job titles related to Linux Software Engineer jobs in IL?

For Linux Software Engineer jobs in IL, the most frequently searched job titles are:

Linux Software Engineer jobs near you
Infographic showing various Linux Software Engineer job openings in Illinois as of August 2026, with employment types broken down into 83% Full Time, 14% Part Time, and 3% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $120,398 per year, or $57.9 per hour.

System Software Engineer

Chupdown

Chicago, IL • On-site

$150 - $200/hr

Other

Posted 23 hours ago

Posted today

Job description

At Chicago UpDown, we are building breakthrough graph computing acceleration - software and hardware. With 1000x performance of today's cloud-based approaches, UpDown enables instant real-time mapping and analytics of trillion-node graphs. The core technologies were created as part of IARPA's AGILE program, and spun out from the University of Chicago and Purdue University.

We are looking for a talented System Software engineer, experienced with Linux and HPC, and capable with advanced AI tools to lead the design and enhancement of system software for a sophisticated, scalable global memory management and scale-out parallel cluster system (>10,000 nodes).

We are seeking a talented System Software Engineer to design, build, and optimize the memory and system software stack for our scalable, accelerator-based global memory system, UpDown.

Challenges include accelerator global memory (petabytes of unified virtual memory) and resource management in large-scale parallel systems (cloud and HPC-like). The technical challenges exceed the largest cloud and HPC systems today.

Key Responsibilities

Lead the design and implementation of a petabyte-scale unified virtual memory system to leverage novel hardware translation features and capabilities.

Global Memory and system library: System and application allocators & runtimes, including custom memory allocators and system-level runtime infrastructure to maximize throughput.

Task/Job Scheduling & Orchestration: Integrate and optimize HPC workload managers and job scheduling systems (such as Slurm, PBS, or custom schedulers) to efficiently allocate resources and orchestrate massively parallel jobs.

Kernel and Driver Engineering: Linux kernel and driver work to support and optimize the memory management and device driver subsystem, develop custom modules, and eliminate kernel-space bottlenecks.

Minimum Qualifications

Education: Master’s or Ph.D. in CS, CE, or related field.

Systems Programming Experience: 3+ years of hands-on experience writing production-grade, low-level code in C and C++ and/or Linux kernel programming.

Virtual and Memory Management Knowledge: Deep understanding of OS-level memory management, virtual memory, paging, and custom memory allocators.

Parallel Computing or HPC Experience: 3+ years in HPC/Cloud scalable systems software, writing/modifying software for HPC, supercomputer, and accelerator environments.

Preferred Qualifications

5+ years hands-on experience developing or modifying OS kernels (Linux), hypervisors, or low-level runtime libraries.

Strong understanding of the challenges associated with memory management in multi-tenant, globally distributed cloud infrastructure.

Advanced Interconnects: Demonstrated experience working with high-performance network and memory fabrics, such as RDMA (RoCE, InfiniBand), CXL, and NVLink.

Experience with graph workloads and algorithms ("e.g., Graph500 BFS") on modern hardware.

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