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Software Engineer Co Op Jobs in Illinois (NOW HIRING)

Destaco

Manufacturing Engineer Co-op

Wheeling, IL · On-site

$75K - $97K/yr

The Engineering Co-op supports Engineering in implementing lean manufacturing processes and ... Creating Inspection Plans for machining using High QA software * Updating Machining job set-up ...

Marmon Holdings, Inc.

Engineering Co-op

Chicago, IL · On-site

$17.25 - $22.50/hr

Lean The Continuous Improvement Engineering Co-op will report to the Regional Lean Specialist and support the deployment, evaluation, and implementation of Lean at the Marmon Transportation Group.

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How much do software engineer co op jobs pay per year?

As of Aug 29, 2026, the average yearly pay for software engineer co op in Illinois is $142,954.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,300.00 and $167,600.00 per year, depending on experience, location, and employer.

What is a software engineer co op?

A Software Engineer Co-Op is a student or recent graduate who participates in a cooperative education program, gaining hands-on work experience at a company while still in school. These positions typically last several months and allow students to apply their classroom knowledge to real-world software development projects. Co-Ops work alongside experienced engineers, contributing to coding, debugging, and project development, and often rotate between academic terms and work terms. This experience helps students build their skills, expand their professional network, and often leads to future job opportunities.

What are software engineer co op positions?

Students studying to be software engineers often look for internship and training opportunities. As a software engineer co-op, you work with today’s latest and greatest technologies, researching Database Theory, JavaScript, CSS3, HTML5, and more. Your responsibilities are those of a student and intern, and you research and develop software. Your duties may include completing a project, assisting engineers, or shadowing them to develop the skills necessary for entering the workforce. Co-op positions often last for a term of one year. Students almost always receive pay for these positions that either provide credit or a pass/fail grade.

What types of projects and responsibilities can a software engineer co op expect during their placement?

As a Software Engineer Co Op, you can typically expect to work on real-world projects alongside full-time engineers, often contributing to codebases, debugging, and writing tests. Your responsibilities may also include participating in agile team meetings, collaborating with cross-functional teams such as QA and product management, and learning industry-standard tools and workflows. While the scope of your work may start with smaller tasks, strong performance can lead to more complex assignments and greater autonomy as your term progresses.

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

To thrive as a Software Engineer Co Op, you need a solid understanding of programming fundamentals, algorithms, and data structures, usually supported by coursework in computer science or a related field. Familiarity with common programming languages (such as Python, Java, or C++), version control systems like Git, and basic exposure to development environments is important. Strong problem-solving abilities, willingness to learn, and effective communication set standout candidates apart. These skills ensure you can contribute to real-world projects, adapt to new technologies, and collaborate effectively within engineering teams.

What is the difference between Software Engineer Co Op vs Software Developer Intern?

AspectSoftware Engineer Co OpSoftware Developer Intern
CredentialsTypically pursuing or holding a bachelor's degree in Computer Science or related fieldUsually students in similar fields, often at an earlier stage of their education
Work EnvironmentFull-time or part-time cooperative work, often integrated with academic scheduleInternship, often part-time or summer-only
Employer & Industry UsageUsed by tech companies for ongoing cooperative programs, often in software development teamsCommonly used by companies for short-term internship roles in software development

The main difference is that a Software Engineer Co Op is a longer-term, often semester-based cooperative position that integrates with academic programs, while a Software Developer Intern is typically a shorter-term internship, often during summer, focused on gaining initial industry experience.

More about Software Engineer Co Op jobs

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

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Software Engineer Co Op jobs near you
Infographic showing various Software Engineer Co Op job openings in Illinois as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $142,954 per year, or $68.7 per hour.

2027 Environmental Engineer Intern/Co-op

Morris, IL • On-site

LyondellBasell Industries
Chemical Manufacturing • 10K+ employees

8.0

Company rating: 8.0 out of 10

Based on 42 frontline employees who took The Breakroom Quiz

37th of 101 rated chemical manufacturers

People enjoy working here

Good employer

Paid breaks

Learn more about LyondellBasell Industriesexternal

$16.50 - $20.75/hr

Other

Posted yesterday

New

Job description

Environmental Engineer Co-op/Intern

Are you a driven engineering student with a passion for environmental protection and sustainability? Do you want to gain hands-on experience in a company that values innovation and safety in every aspect of its operations? If so, LyondellBasell is looking for you!

Why You'll Love This Role:

As an Environmental Engineer Co-op/Intern,you'llplay a crucial role in ensuring our operations are safe, compliant, and environmentally responsible. From supporting environmental initiatives to enhancing process safety and loss prevention, your contributions will help us achieve our Goal Zero workplace andmaintainthe highest standards of safety and environmental stewardship.

What You Can Expect:

Explore diverse opportunities across various Environmental disciplines, allowing you to find the perfect fit for your skills and aspirations:

Environmental Engineer:

  • Provide support and guidance on environmental issues.

  • Assistin understanding andcomplying withrequirements to minimize environmental risks and support informed decision-making.

  • Monitor performance, promote beneficial change, and interact with internal stakeholders toidentify, quantify, and manage environmental risks.

What We Offer:

  • Real-world experience in a leading global company.

  • Mentorship from seasoned professionals in the Environmental Engineering field.

  • Opportunities to contribute to meaningful projects thatimpactsafety and sustainability.

  • A collaborative and innovative work environment.

Qualifications We're Looking For:

  • Currently pursuing aBachelor's degree in IndustrialHygiene, Environmental Engineering,Chemical Engineering,or an equivalent degree from an accredited university.

  • Overall GPA of 3.0 or greater.

  • Must be at least 18 years of age.

  • Must be legally authorized to work in the United States without requiring sponsorship for employment visa status now or in the future.

  • Must be available to complete two consecutive co-op terms (Summer/Fall): May - December 2026.

Ifyou'reready to make a difference in a company that values safety, innovation, and environmental stewardship, we want to hear from you.

About LyondellBasell:

LyondellBasell is a leader in the global chemical industry, creating solutions for everyday sustainable living. Through advanced technology and focused investments, we are enabling a circular and low-carbon economy. As one of the world's largest producers of polymers and a leader in polyolefin technologies, we develop, manufacture, and market high-quality and innovative products for applications ranging from sustainable transportation and food safety to clean water and quality healthcare.

Equal Opportunity Employer:

LyondellBasell is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, veteran status, and other protected characteristics.

Ready to embark on an exciting journey with us? Apply now and help shape the future of sustainable living!

For more information, visit www.lyondellbasell.comor follow us on LinkedIn @LyondellBasell.

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