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System Software Engineer Jobs in Illinois (NOW HIRING)

TriOptus LLC

Software Engineer

Deerfield, IL · On-site

A typical software engineer researches, designs, develops and tests operating systems-level software, compilers, and network distribution software for medical, industrial, military, communications ...

Kaav Inc.

Software Engineer

Deerfield, IL

A typical software engineer researches, designs, develops and tests operating systems-level software, compilers, and network distribution software for medical, industrial, military, communications ...

Seven Seven Software

Software Engineer

Chicago, IL

As a Software Engineer, you'll work on everything from customer-facing web and mobile applications ... systems using the hottest techniques. We are a team of full stack engineers with in-depth DevOps ...

Comcast

Lead Software Engineer

Chicago, IL · On-site +1

$15/hr

Job Summary As a pivotal member of the Core Engineering team, the Lead Software Engineer will be ... Abundant experience with large system software design and development. * Abundant experience with ...

Comcast

Lead Software Engineer

Chicago, IL · On-site +1

$152K - $240K/yr

Job Summary As a pivotal member of the Core Engineering team, the Lead Software Engineer will be ... Abundant experience with large system software design and development. * Abundant experience with ...

SriLakshmiTech

Software Engineer

Chicago, IL

Bachelor s degree in Computer Science, Electrical Engineering, or related field is required with ... Modify existing software written in Java, databases and database management systems. * Create ...

Seven Seven Software

Software Engineer

Chicago, IL · On-site

As a Software Engineer, you'll work on everything from customer-facing web and mobile applications ... systems using the hottest techniques. We are a team of full stack engineers with in-depth DevOps ...

Comcast

Sr. Software Engineer

Chicago, IL · On-site

$126K - $166K/yr

Continuous optimization and reconstruction of existing systems to support rapid business ... Serves as a guide and mentor for junior-level Software Development Engineers. * Displays in-depth ...

Comcast

Sr. Software Engineer

Chicago, IL

$126K - $166K/yr

Continuous optimization and reconstruction of existing systems to support rapid business ... Serves as a guide and mentor for junior-level Software Development Engineers. * Displays in-depth ...

PGS Worldwide

Software Engineer

Rolling Meadows, IL

$141.30/hr

The Software Engineer will support the Radio Frequency Business Unit by designing, developing ... Familiarity with version control systems such as Git, GitLab, GitHub, Bitbucket, or ClearCase.

Belcan

Engineer Software 3

Rolling Meadows, IL · On-site

$141.30/hr

The Software Engineer designs, develops, operates, and maintains software components and computing systems software to be applied to and integrated with engineering, scientific and manufacturing ...

Belcan

Engineer Software 3

Rolling Meadows, IL · On-site

$141.30/hr

The Software Engineer designs, develops, operates, and maintains software components and computing systems software to be applied to and integrated with engineering, scientific and manufacturing ...

Belcan, LLC

Engineer Software 3

Rolling Meadows, IL

$141.30/hr

The Software Engineer designs, develops, operates, and maintains software components and computing systems software to be applied to and integrated with engineering, scientific and manufacturing ...

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All JobsSystem Software Engineer JobsSystem Software Engineer Jobs in Illinois

System Software Engineer information

See Illinois salary details

$80.4K

$172.2K

$199.6K

How much do system software engineer jobs pay per year?

As of Jun 11, 2026, the average yearly pay for system software engineer in Illinois is $172,214.00, according to ZipRecruiter salary data. Most workers in this role earn between $167,600.00 and $198,600.00 per year, depending on experience, location, and employer.

What engineers make $300,000 a year?

Senior system software engineers with extensive experience, specialized skills in areas like cloud computing, cybersecurity, or AI, and often working in high-demand industries or at large tech companies can earn $300,000 or more annually. Compensation may include base salary, bonuses, and stock options, especially in competitive markets or executive-level roles.

What does a systems engineer do in software?

A systems engineer in software designs, develops, and maintains complex software systems, ensuring they function efficiently and reliably. They often work with system architecture, integration, and troubleshooting, using tools like scripting languages and development environments to optimize performance and stability.

What does a System Software Engineer do?

A System Software Engineer designs, develops, tests, and maintains the core software that enables computer hardware and system applications to function. This includes operating systems, device drivers, firmware, and other low-level software that interacts closely with hardware components. Their work ensures that systems run efficiently, securely, and reliably. They often collaborate with hardware engineers and application developers to optimize performance and troubleshoot complex technical issues.

What are the key skills and qualifications needed to thrive as a System Software Engineer, and why are they important?

To thrive as a System Software Engineer, you need strong programming skills in languages like C, C++, or Rust, a deep understanding of operating systems, and typically a bachelor’s degree in computer science or a related field. Familiarity with low-level debugging tools, version control systems (such as Git), and kernel development environments is essential. Analytical thinking, problem-solving ability, and effective teamwork are standout soft skills in this role. These competencies are crucial for building reliable, high-performance system software that underpins critical applications and infrastructure.

Will AI replace system engineers?

System software engineers design, develop, and maintain complex systems and rely on skills such as programming, troubleshooting, and system analysis. While AI can automate certain tasks like monitoring and routine maintenance, it is unlikely to fully replace system engineers, as human expertise is essential for designing, implementing, and managing complex systems and adapting to new challenges.

What engineers make $500,000?

Senior software engineers, especially those working in high-demand fields like cloud computing, AI, or at major tech companies, can earn $500,000 or more annually. Achieving this level often requires extensive experience, advanced skills, and sometimes stock options or bonuses as part of compensation packages.

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

AspectSystem Software EngineerSoftware Developer
CredentialsBachelor's in Computer Science or related field; often some experience with systems programmingBachelor's in Computer Science or related field; focus on application development
Work EnvironmentDesigning and maintaining operating systems, firmware, or system-level applicationsCreating user-facing applications, websites, or mobile apps
Industry UsageTech companies, hardware firms, embedded systemsSoftware firms, startups, enterprise applications
Search & Comparison IntentUnderstanding roles related to system-level programmingLooking for application or web development roles

System Software Engineers focus on developing and maintaining system-level software like operating systems and firmware, requiring knowledge of hardware and low-level programming. Software Developers typically create applications and user-facing software, emphasizing higher-level programming skills. Both roles often share similar educational backgrounds but differ in their work focus and environment.

What are some common challenges System Software Engineers face when working on large-scale projects?

System Software Engineers working on large-scale projects often encounter challenges such as maintaining system stability while integrating new features, ensuring compatibility across diverse hardware platforms, and optimizing performance under heavy workloads. Coordinating with cross-functional teams, such as hardware engineers and application developers, is essential to address these complexities. Additionally, they must stay updated with evolving technologies and adhere to rigorous testing and debugging practices to prevent system failures.
What are popular job titles related to System Software Engineer jobs in Illinois? For System Software Engineer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching System Software Engineer jobs in Illinois look for? The top searched job categories for System Software Engineer jobs in Illinois are:
What are popular job titles related to System Software Engineer jobs in IL? For System Software Engineer jobs in IL, the most frequently searched job titles are:
System Software Engineer jobs near you
Infographic showing various System Software Engineer job openings in Illinois as of June 2026, with employment types broken down into 92% Full Time, 5% Part Time, 1% Temporary, and 2% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution, with an average salary of $172,214 per year, or $82.8 per hour.
Software Engineer

Software Engineer

TriOptus LLC

Deerfield, IL • On-site

Contractor

Posted 11 days ago

Job description

Summary: The main function of a software engineer is to apply the principles of computer science and mathematical analysis to the design, development, testing, and evaluation of the software and systems that make computers work. A typical software engineer researches, designs, develops and tests operating systems-level software, compilers, and network distribution software for medical, industrial, military, communications, aerospace, business, scientific and general computing applications.
Job Responsibilities:
* Modify existing databases and database management systems.
* Write and code logical and physical database descriptions and specify identifiers of database to management system or direct others in coding descriptions.
* Work as part of a project team to coordinate database development and determine project scope and limitations.
* Review project requests describing database user needs to estimate time and cost required to accomplish project.
Skills:
* Verbal and written communication skills, problem solving skills, customer service and interpersonal skills.
* Basic ability to work independently and manage one?s time.
* Basic knowledge of the full software development lifecycle: from business/systems analysis, through requirements gathering and functional specification authoring, to development, testing and delivery.
* Basic ability to troubleshoot issues and make system changes as needed to resolve issue.
* Basic knowledge of computer hardware and software.
* Knowledge of computer development software as it relates to systems, such as SQL, VisualBasic, etc.
Education/Experience:* Bachelor's degree in computer science, software engineering or relevant field required.* 2-4 years experience required.
Required Skills : Azure,Python,Java
Basic Qualification :
Additional Skills : Azure Engineer,Software Developer
Background Check : No
Drug Screen : No

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