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Junior Software Engineer Jobs in Decatur, IL (NOW HIRING)

Simulator Software Engineer

Latham, IL · On-site

$105.30K - $117K/yr

Simulator Software Engineer - Sr Simulator Software Engineer to be filled at Clinton Nuclear Power Station in Clinton, IL. This is a multi-level opening that can be filled at the Simulator Software ...

Simulator Software Engineer

Beason, IL · On-site

$105.30K - $117K/yr

Simulator Software Engineer - Sr Simulator Software Engineer to be filled at Clinton Nuclear Power Station in Clinton, IL. This is a multi-level opening that can be filled at the Simulator Software ...

Simulator Software Engineer

Weldon, IL · On-site

$105.30K - $117K/yr

Simulator Software Engineer - Sr Simulator Software Engineer to be filled at Clinton Nuclear Power Station in Clinton, IL. This is a multi-level opening that can be filled at the Simulator Software ...

Simulator Software Engineer

Maroa, IL · On-site

$105.30K - $117K/yr

Simulator Software Engineer - Sr Simulator Software Engineer to be filled at Clinton Nuclear Power Station in Clinton, IL. This is a multi-level opening that can be filled at the Simulator Software ...

Simulator Software Engineer

Kenney, IL · On-site

$105.30K - $117K/yr

Simulator Software Engineer - Sr Simulator Software Engineer to be filled at Clinton Nuclear Power Station in Clinton, IL. This is a multi-level opening that can be filled at the Simulator Software ...

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Junior Software Engineer information

See Decatur, IL salary details

$45.1K

$91.7K

$137.7K

How much do junior software engineer jobs pay per year?

As of May 28, 2026, the average yearly pay for junior software engineer in Decatur, IL is $91,703.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,800.00 and $92,600.00 per year, depending on experience, location, and employer.

What Is a Junior Software Engineer?

A junior software engineer works on a team with more senior engineers to help design and develop applications, write code, and otherwise maintain or update a business's database. As a junior software engineer, your duties and responsibilities may vary based on what company you work for. Overall, your job is to learn from senior engineers and developers on how to be a software engineer and in what ways you can develop and utilize the technologies of the business to do so. Many junior software engineers have a little bit of knowledge about a lot of technologies but also stay up-to-date on the most current technologies.

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

To thrive as a Junior Software Engineer, you need a solid understanding of programming fundamentals, algorithms, and commonly used languages such as Java, Python, or JavaScript, typically backed by a degree in computer science or related field. Familiarity with version control systems like Git, basic knowledge of databases, and experience with development environments and frameworks are usually expected. Strong problem-solving skills, eagerness to learn, and effective teamwork and communication abilities help set you apart. These skills and qualities are crucial for contributing effectively to projects, adapting to evolving technologies, and collaborating within development teams.

How does a Junior Software Engineer typically collaborate with other team members on projects?

Junior Software Engineers usually work closely with senior developers, QA testers, and product managers as part of a cross-functional team. Collaboration often involves participating in daily stand-up meetings, code reviews, and pair programming sessions. Juniors are encouraged to ask questions and seek feedback, which helps them learn best practices and improve their coding skills. Effective communication and a willingness to learn from more experienced colleagues are key to thriving in this collaborative environment.

What are Junior Software Engineers?

Junior Software Engineers are entry-level professionals who assist in designing, developing, testing, and maintaining software applications. They typically work under the guidance of more experienced engineers and are responsible for writing code, fixing bugs, and participating in code reviews. Junior Software Engineers often collaborate with team members to learn best practices, improve their technical skills, and contribute to software projects. This role is ideal for recent graduates or those new to the software development field.
What are the most commonly searched types of Software Engineer jobs in Decatur, IL? The most popular types of Software Engineer jobs in Decatur, IL are:
What are popular job titles related to Junior Software Engineer jobs in Decatur, IL? For Junior Software Engineer jobs in Decatur, IL, the most frequently searched job titles are:
What job categories do people searching Junior Software Engineer jobs in Decatur, IL look for? The top searched job categories for Junior Software Engineer jobs in Decatur, IL are:
What cities near Decatur, IL are hiring for Junior Software Engineer jobs? Cities near Decatur, IL with the most Junior Software Engineer job openings:
Simulator Software Engineer

Simulator Software Engineer

Constellation Energy

Farmer City, IL • On-site

$105.30K - $117K/yr

Other

Medical, Dental, Vision, Retirement, PTO

This job post has expired today. Applications are no longer accepted.


Constellation Energy rating

8.4

Company rating: 8.4 out of 10

Based on 96 frontline employees who took The Breakroom Quiz

12th of 74 rated oil and gas companies


Job description

Simulator Software Engineer - Sr Simulator Software Engineer to be filled at Clinton Nuclear Power Station in Clinton, IL.
This is a multi-level opening that can be filled at the Simulator Software Engineer level or the Sr Software Engineer level. Please see the minimum qualifications for each level below. 

Who We Are

As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute.
Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things and help fight climate change. Join us to lead the clean energy future.

Total Rewards

Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including a robust wellness program paid time off for vacation, holidays, and sick days and much more.
Simulator Software Engineer -  Expected salary range of $105,300 to $117,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).

Sr Simulator Software Engineer -  Expected salary range of $125,100 to $139,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).

Primary Purpose of Position

Responsible for creating and modifying simulation software logic and dynamic models used at a nuclear power plant in the Main Control Room Simulator, including simulator software maintenance, model minor plant modifications, and enhancements with minimal support. Functions independently and advises Constellation's Training Department on simulator technology. Coordinate simulator tasks and collaborate across teams as needed. Works closely with the training department, project managers, and Clean Energy Center (CEC) engineers to ensure compliance with project needs. The role is centered on the development and improvement of new and existing features. Additionally, the role involves reviewing peers' code, advocating for standard development methodologies, and participating in an inclusive, energetic, and highly cross-functional team. Expected to work efficiently, independently, and with minimal supervision.

Primary Duties and Accountabilities

  • CEC Main Control Room Simulator Projects: Participate in the planning, designing, building, or managing of simulator solutions.
  • Participate in planning activities for assigned CEC.
  • Create, modify, and document simulation software logic and dynamic models to meet business needs.
  • Software configuration management.
  • Participate in finding technology solutions by weighing advantages of technology trends, market availability of products, risks, and benefits of technology to meet business needs.
  • Participate in identifying risks and issues that affect the projects.
  • Provide second tier service to another simulator, as required, to backup that CEC Simulator Software Engineer with little or no assistance.
  • Participates in projects for other CECs in the fleet as required.
  • Engage with business partners to gather information, analyze requirements and deliver practical, efficient and cost-effective solutions that satisfy business needs.
  • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department.

Simulator Software Engineer - Job Code XSSD

Minimum Qualifications

  • Bachelor's degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) or related science with 2 years of related experience (e.g. programming technologies) OR
  • Associate's degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) or related science with 4 years of related experience (e.g. programming technologies)
  • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

Sr Simulator Software Engineer - Job Code XSSE

Minimum Qualifications

  • Bachelor's degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) or related science with 5 years of related experience (e.g. programming technologies) OR
  • Associate's degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) or related science with 7 years of related experience (e.g. programming technologies)
  • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

Simulator Software Engineer - Job Code XSSD 
Preferred Qualifications

  • Bachelor's degree in mechanical engineering or nuclear engineering with 3+ years of engineering experience
  • Proficient in FORTRAN and C programming languages
  • Knowledge of graphic design software
  • Experience with Visual Studio
  • Experience with engineering print reading
  • Experience leading small projects or sub-teams
  • Experience with GIT configuration management
  • Experience with installing, configuring, and maintaining Windows Operating Systems
  • Familiarity with network topology
  • Familiarity with creating software interface protocols
  • Teamwork and self-motivation skills to achieve success in a rapidly evolving environment
  • Excellent communication skills (written and verbal) for conveying complex findings to non-technical stakeholders
  • Understanding of advanced programming concepts, data structures, and algorithms

Sr Simulator Software Engineer - Job Code XSSE

Preferred Qualifications

  • Bachelor's degree in mechanical engineering or nuclear engineering with 5+ years of engineering experience
  • Proficient in FORTRAN and C programming languages
  • Knowledge of graphic design software
  • Experience with Visual Studio
  • Experience with engineering print reading
  • Experience leading small projects or sub-teams
  • Experience with GIT configuration management
  • Experience with installing, configuring, and maintaining Windows Operating Systems
  • Familiarity with network topology
  • Familiarity with creating software interface protocols
  • Teamwork and self-motivation skills to achieve success in a rapidly evolving environment
  • Excellent communication skills (written and verbal) for conveying complex findings to non-technical stakeholders
  • Understanding of advanced programming concepts, data structures, and algorithms

 


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