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Software Engineering Jobs in Illinois (NOW HIRING)

As an Engineering Manager, you will play a key role in shaping our solutions, leading a team to build scalable, intuitive software that empowers property managers and residents alike. This is an ...

Principal, Software Engineering

Naperville, IL · On-site

$134K - $180K/yr

Role Summary We are seeking a highly experienced Principal Software Engineer to provide technical leadership and handson execution across complex, cloudnative software initiatives. This role combines ...

Principal, Software Engineering

Chicago, IL

$139K - $186K/yr

Role Summary We are seeking a highly experienced Principal Software Engineer to provide technical leadership and hands-on execution across complex, cloud-native software initiatives. This role ...

Principal, Software Engineering

Chicago, IL · On-site

$139K - $186K/yr

Role Summary We are seeking a highly experienced Principal Software Engineer to provide technical leadership and hands-on execution across complex, cloud-native software initiatives. This role ...

IL

$167K - $209K/yr

As an Engineering Manager, you will play a key role in shaping our solutions, leading a team to build scalable, intuitive software that empowers property managers and residents alike. This is an ...

Principal, Software Engineering

Chicago, IL

$139K - $186K/yr

Role Summary We are seeking a highly experienced Principal Software Engineer to provide technical leadership and handson execution across complex, cloudnative software initiatives. This role combines ...

What You'll Do The Software Engineering Manager plays a crucial role in driving the success of software projects by providing leadership, direction, and support to the development team while ensuring ...

Software Engineering Manager

Park Ridge, IL · On-site +1

$165K - $185K/yr

What You'll Do The Software Engineering Manager plays a crucial role in driving the success of software projects by providing leadership, direction, and support to the development team while ensuring ...

You have experience leading software engineering teams and developing engineers. You bring a strong technical foundation in software development and system design, with proficiency in compiled ...

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Software Engineering information

See Illinois salary details

$61.5K

$143K

$199.1K

How much do software engineering jobs pay per year?

As of Jun 15, 2026, the average yearly pay for software engineering 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 are the key skills and qualifications needed to thrive as a Software Engineer, and why are they important?

To thrive as a Software Engineer, you need strong programming skills in languages such as Python, Java, or C++, along with a solid understanding of computer science fundamentals and a relevant degree. Familiarity with development tools like Git, cloud platforms, version control systems, and knowledge of software development methodologies are typically required. Problem-solving abilities, effective communication, and teamwork are valuable soft skills that help engineers collaborate and deliver high-quality solutions. These skills and qualities are essential to create efficient, maintainable software and to adapt to rapidly evolving technologies and project requirements.

What is the difference between Software Engineering vs Software Development?

AspectSoftware EngineeringSoftware Development
CredentialsBachelor's in Computer Science or related, certifications like CSWA or AWSBachelor's in Computer Science or related, coding bootcamps
Work EnvironmentDesigning, planning, and managing software projectsWriting, testing, and debugging code
Industry UsageUsed across tech, finance, healthcare, and more for complex systemsCommon in startups, small teams, and for app development

Software engineering involves designing and managing software projects, focusing on architecture and lifecycle. Software development primarily centers on coding and building applications. While both roles require similar educational backgrounds, software engineers often handle broader project planning, whereas developers focus on coding tasks.

What engineers make $500,000?

Senior software engineers, especially those in high-demand fields like machine learning, cloud computing, or with extensive experience at large tech companies, can earn $500,000 or more annually through base salary, bonuses, and stock options. Achieving this level typically requires advanced skills, a strong track record, and often working in competitive markets or leadership roles.

What are some common challenges software engineers face when working on large-scale projects, and how can they be addressed?

Software engineers working on large-scale projects often encounter challenges such as managing codebase complexity, coordinating with distributed teams, and ensuring consistent coding standards. To address these issues, teams typically implement version control systems, conduct regular code reviews, and use agile methodologies to break tasks into manageable sprints. Effective communication tools and clear documentation also play a crucial role in keeping everyone aligned and minimizing misunderstandings.

What kind of work do software engineers do?

Software engineers design, develop, test, and maintain software applications and systems. They write code using programming languages, collaborate with teams to solve technical problems, and often work with tools like version control and development environments. Their work can involve creating new software, improving existing programs, or ensuring system security and performance.

What is software engineering?

Software engineering is the discipline of designing, developing, testing, and maintaining software applications and systems. It involves applying engineering principles and systematic methods to ensure software is reliable, efficient, and meets user requirements. Software engineers work with programming languages, frameworks, and tools to solve problems and build solutions for various industries. The field encompasses many specializations, including front-end development, back-end development, DevOps, and more.

Is it true that AI will replace software engineers?

AI is transforming software engineering by automating repetitive tasks and assisting in code generation, but it is not expected to fully replace software engineers. Instead, AI tools enhance productivity and require engineers to focus on complex problem-solving, system design, and oversight. Human expertise remains essential for developing, maintaining, and improving AI-driven systems and software projects.

What jobs can a software engineer do?

A software engineer can work in roles such as application developer, systems engineer, web developer, mobile app developer, or software architect. They often design, develop, test, and maintain software solutions using programming languages like Java, Python, or C++, and may work in various industries including technology, finance, healthcare, and gaming.
What are the most commonly searched types of Software Engineering jobs in Illinois? The most popular types of Software Engineering jobs in Illinois are:
What cities in Illinois are hiring for Software Engineering jobs? Cities in Illinois with the most Software Engineering job openings:
Infographic showing various Software Engineering job openings in Illinois as of June 2026, with employment types broken down into 50% Temporary, and 50% Contract. Highlights an 50% In-person, and 50% Remote job distribution, with an average salary of $142,954 per year, or $68.7 per hour.
Principal Engineer, Software Engineering

Principal Engineer, Software Engineering

Collins Aerospace

Rockford, IL • On-site

$96K - $196K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 28 days ago


Collins Aerospace rating

8.5

Company rating: 8.5 out of 10

Based on 243 frontline employees who took The Breakroom Quiz

22nd of 60 rated aerospace companies


Job description

Date Posted:

2026-04-17

Country:

United States of America

Location:

US-IL-ROCKFORD-BB ~ 4747 Harrison Ave ~ BUTLER BLDG

Position Role Type:

Unspecified

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Security Clearance Type:

Security Clearance Status:

Not Required

Hamilton Sundstrand Corporation d/b/a Collins Aerospace has an opening for a Principal Engineer, Software Engineering in Rockford, IL.  This is a hybrid position; must work 3 days per week in the Rockford, IL office and can work remotely within the U.S. 2 days per week.

Joining Collins Aerospace isn’t just about finding a job; it’s about embarking on a journey to redefine the future of aerospace technology.

What YOU will do

  • Develop, coordinate and conduct complex tests and debug control and diagnostic systems that contain logical and mathematical solutions.
  • Conduct multidisciplinary research and collaborate with other project team members in the planning, design, development and utilization of electronic data processing systems for product and commercial software to ensure smooth operations on software engineering activities.
  • Design and implement build procedures that are used to support hardware and software product development and function.
  • Recommend changes in the selection and application of software production components to improve and develop software engineering activities.
  • Determine end-user needs by analyzing system capabilities to resolve problems on program intent, output requirements and input data acquisition.

Qualifications You Must Have

  • Must possess at least a bachelor’s degree or its equivalent in Computer Science, Electrical Engineering, or related field and 8 years of progressive experience as a Software Engineer or related role in the Aerospace, Defense, Automotive or Medical industries. In the alternative, at least a master’s degree or its equivalent in Computer Science, Electrical Engineering, or related field and 5 years of experience as a Software Engineer or related role in the Aerospace, Defense, Automotive or Medical industries would be acceptable.
  • Must possess at least 5 years of experience with embedded C programing.
  • Must possess at least 3 years of experience with leading medium to large software engineering teams.
  • Must possess at least 3 years of experience with industry standards for the full software engineering lifecycle of safety critical systems such as DO-178C.
  • Must possess at least 3 years of experience with software development for Generator or Bus Power Control Units.
  • Non-US Person - Must be authorized to work in the U.S. without the company’s immigration sponsorship now or in the future. The company will not offer immigration sponsorship for this position. The company will not seek an export authorization for this role. 

Learn More & Apply Now!

Power & Controls: We make modern flight possible for millions of travelers and our military every second.  Our major product lines are on-board virtually every aircraft flying. Be it keeping passengers safe with our emergency power generation systems or creating a positive in flight experience through reliable cabin pressure controls and quieter engines, Power & Controls focuses on delivering a best-in-class experience to our customers. We hire the top people in the industry. Their ideas drive our performance, and their integrity keeps our customers happy. Join us as we take flight!

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and  offsite. Ratio of time working onsite will be determined in partnership with your leader. 

The salary range is $96,366.00 to $196,000.00 USD per year. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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About Collins Aerospace

Sourced by ZipRecruiter

Collins Aerospace, a Raytheon Technologies company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio and expertise to solve customers' toughest challenges and to meet the demands of a rapidly evolving global market.

Industry

Aviation

Company size

10,000+ Employees

Headquarters location

Charlotte, NC, US

Year founded

2018