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Engineer Jobs in Decatur, IL (NOW HIRING)

Quality Engineer

Decatur, IL · On-site

$60K - $90K/yr

Quality Engineer Company Background TCCI Manufacturing is a world leader in compressor technology for commercial vehicle, automotive and same-day delivery vehicles. Our global footprint spans 9 ...

ADMS Engineer

Decatur, IL · On-site

$71.10K - $172.20K/yr

T he ADMS Solution Consultant provides engineering support to distribution control in all phases of maintenance, operations, design and modifications of the ADMS for safe reliable operation of the ...

Engineer 2, Decatur | Primient About Primient Primient is a century old company with an entrepreneurial spirit. We are a leading producer of food and industrial ingredients made from plant-based ...

Engineer 2, Decatur | Primient About Primient Primient is a century old company with an entrepreneurial spirit. We are a leading producer of food and industrial ingredients made from plant-based ...

Manufacturing Engineer

Decatur, IL · On-site

$80K - $83K/yr

The main function of a manufacturing engineer is to apply engineering theory and principles to problems of industrial layout or manufacturing production. A typical manufacturing engineer has the ...

Manufacturing Engineer

Decatur, IL · On-site

$24 - $31.25/hr

Manufacturing Engineer The Manufacturing Engineer will play a crucial role in assisting product groups with the design and implementation of test systems for prime product units and lower powertrain.

ADMS Engineer

Decatur, IL · On-site

$71.10K - $172.20K/yr

T he ADMS Solution Consultant provides engineering support to distribution control in all phases of maintenance, operations, design and modifications of the ADMS for safe reliable operation of the ...

Subject Matter Expert and Lead Packaging Engineer for Decatur focused on outbound prime product shipping standardization. Some additional scope may be involved on inbound packaging from suppliers to ...

Senior Electronic Engineer

Decatur, IL · On-site

$104.30K - $128.50K/yr

We serve our customers by offering remanufactured, engineered, and resale products and solutions. Our growth strategy includes both organic efforts and growth through acquisition, and our culture is ...

Mechanical Design Engineer

Decatur, IL

$73.70K - $99.90K/yr

Bachelor's degree from an accredited college or university in an Engineering or Engineering Technology curriculum. Required Skills for the Design Engineer: * 5 or more years of engineering design ...

ADMS Engineer

Decatur, IL · On-site

$71.10K - $172.20K/yr

The ADMS Solution Consultant provides engineering support to distribution control in all phases of maintenance, operations, design and modifications of the ADMS for safe reliable operation of the ...

Reliability Engineer

Decatur, IL

$99.40K - $125.10K/yr

Our award-winning client is seeking a Reliability Engineer to join their team! We are seeking a highly motivated and results-oriented Reliability Engineer to lead the implementation of Total ...

Manufacturing Engineer

Decatur, IL · On-site

$67.57K - $92.91K/yr

Manufacturing Engineer Mueller Water Products seeks a Manufacturing Engineer for their Decatur, Illinois facility. The Manufacturing Engineer has the primary responsibility of developing, defining ...

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Engineer information

See Decatur, IL salary details

$37.8K

$98.7K

$133.4K

How much do engineer jobs pay per year?

As of Jun 3, 2026, the average yearly pay for engineer in Decatur, IL is $98,697.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,500.00 and $113,000.00 per year, depending on experience, location, and employer.

What Is an Engineer Job Description?

Engineers design, build, and maintain the functional aspects of a product, structure, or system for their specific engineering industry. Their specific job description relates to all of the detailed tasks, responsibilities, skills, and education requirements that a company or organization requires for their engineering specialty. For example, electrical engineers develop, monitor, and test electrical systems. Civil engineers design, construct, and maintain large infrastructure projects, such as highways, bridges, and airports. Many engineers begin their career with an internship or apprenticeship while they are still in school, and then acquire an entry-level position. As they learn more about the industry, engineers are given their own projects and more responsibility.

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

To thrive as an Engineer, you need a solid background in mathematics, problem-solving, and engineering principles, typically supported by a relevant bachelor’s degree. Familiarity with industry-specific software such as CAD tools, simulation platforms, and, in some fields, certifications like FE or PE is often required. Strong communication, teamwork, and critical thinking skills set exceptional engineers apart. These abilities ensure effective project delivery, innovative solutions, and smooth collaboration in technical environments.

How do engineers typically collaborate with other departments during a project?

Engineers often work closely with professionals from various departments such as product management, design, and quality assurance to ensure project requirements are met. Collaboration usually involves regular meetings to align on goals, discuss technical constraints, and review progress. Effective communication and teamwork are key, as engineers may need to translate complex technical concepts for non-technical colleagues and incorporate feedback from different stakeholders. This cross-functional approach helps ensure that projects are delivered efficiently and meet all necessary standards.

What does an engineer do?

An engineer applies principles of science and mathematics to develop solutions for technical problems. They design, build, and test products, systems, or structures while considering efficiency, safety, and cost. Engineers can work in a variety of fields such as civil, mechanical, electrical, and software engineering, each with its own specialized focus. Their work often involves teamwork, problem-solving, and the use of advanced technology.

What is the difference between Engineer vs Technician?

AspectEngineerTechnician
Required CredentialsBachelor's degree in engineering or related fieldTechnical diploma or associate degree
Work EnvironmentDesign, planning, analysis, project managementInstallation, maintenance, troubleshooting
Industry UsageDesign firms, manufacturing, constructionField service, manufacturing plants, maintenance teams
Common Search/ComparisonEngineer vs Technician

Engineers typically hold a bachelor's degree and focus on designing, analyzing, and managing projects. Technicians usually have technical diplomas and handle hands-on installation, maintenance, and troubleshooting. While engineers plan and oversee, technicians implement and support. Both roles are essential in engineering projects, but they differ in education, responsibilities, and work environment.

What are the most commonly searched types of Engineer jobs in Decatur, IL? The most popular types of Engineer jobs in Decatur, IL are:
What are popular job titles related to Engineer jobs in Decatur, IL? For Engineer jobs in Decatur, IL, the most frequently searched job titles are:
What job categories do people searching Engineer jobs in Decatur, IL look for? The top searched job categories for Engineer jobs in Decatur, IL are:
What cities near Decatur, IL are hiring for Engineer jobs? Cities near Decatur, IL with the most Engineer job openings:
Infographic showing various Engineer job openings in Decatur, IL as of May 2026, with employment types broken down into 91% Full Time, 6% Part Time, and 3% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution, with an average salary of $98,697 per year, or $47.5 per hour.
Simulator Software Engineer

$105.30K - $117K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 29 days ago


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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