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Process Engineer Jobs in Decatur, IL (NOW HIRING)

RFA Engineering

Mechanical Engineer

Decatur, IL · On-site

$65K - $95K/yr

The selected candidate will work with an experienced engineering staff using state-of-the-art engineering tools & processes. This position will operate onsite at our customer's world-class ...

Primient

Process Operator, Decatur, IL

Decatur, IL · On-site

$24.25/hr

You'll also troubleshoot issues as they arise and work closely with your team, engineers, and ... Process Operator - the need to know * You will help to ensure the safe operation of our process ...

Primient

Process Operator, Decatur, IL

Decatur, IL

$24.25/hr

You'll also troubleshoot issues as they arise and work closely with your team, engineers, and ... Process Operator - the need to know * You will help to ensure the safe operation of our process ...

Primient

Engineer 3, Decatur

Decatur, IL · On-site

Engineer 3, Decatur | Primient About Primient Primient is a century old company with an ... Wherever we are in the process, from field to customer, our priorities are focused on ensuring we ...

Primient

Engineer 3, Decatur

Decatur, IL

Engineer 3, Decatur | Primient About Primient Primient is a century old company with an ... Wherever we are in the process, from field to customer, our priorities are focused on ensuring we ...

Primient

Engineer 3, Decatur

Decatur, IL

$101K/yr

Wherever we are in the process, from field to customer, our priorities are focused on ensuring we ... The Engineer 3 operates with greater autonomy, overseeing complex projects, driving plant-wide ...

Intellectt INC

Electrical Engineer

Decatur, IL · On-site

Work as an Electrical Engineer and develop design of electrical distribution system for FMCG process plant * Perform power system studies on electrical distribution system of the plant. * Discus with ...

Hydro Gear Partnership

Product Engineer

Sullivan, IL · On-site

Process customer and internal engineering sample requests * Apply mechanical engineering standards, design principles, and process guidelines Requirements What You Need as a Product Engineer

Intellectt INC

Electrical Engineer

Decatur, IL · On-site

Design electrical distribution systems for process plants * Perform power system studies * Coordinate with clients, vendors & site teams * Develop engineering packages (SLD, BOM, layouts) * Ensure ...

Intellectt INC

Electrical Engineer

Decatur, IL · On-site

Seeking an Electrical Engineer with experience in designing electrical distribution systems for process plants. The ideal candidate should have expertise in power system studies, LV electrical ...

Intellectt INC

Electrical Engineer

Decatur, IL · On-site

Seeking an Electrical Engineer with experience in designing electrical distribution systems for process plants, including power system studies, panel design, and compliance with industry standards.

Actalent

Industrial Engineer

Sullivan, IL · On-site

$66K - $89K/yr

Design, program, set up, and optimize CNC tube-bending processes, including rotary draw, ram ... Support CNC machining programming and integration for mills, lathes, and machining centers as the ...

Actalent

Industrial Engineer

Sullivan, IL · On-site

$66K - $89K/yr

Design, program, set up, and optimize CNC tube-bending processes, including rotary draw, ram ... Support CNC machining programming and integration for mills, lathes, and machining centers as the ...

Tanisha Systems

Pinpoint Engineer

Decatur, IL · On-site

Pinpoint Engineer & Skill Requirement: • Assist in providing assembly planning support for ... process validation (IPV) checks. • Integrate Torque tool, sockets and other Quality inspection ...

Caterpillar

Manufacturing Controls Engineer

Decatur, IL · On-site

$97K - $146K/yr

Manufacturing Controls Engineer Primary Location: Decatur, IL, East Peoria, IL (SS/LL) Travel: Up ... You will lead enhancements to complex equipment and processes, monitor reliability to eliminate ...

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Showing results 21-40

All JobsProcess Engineer JobsProcess Engineer Jobs in Decatur, IL

Process Engineer information

See Decatur, IL salary details

$48K

$89.3K

$138.2K

How much do process engineer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for process engineer in Decatur, IL is $89,254.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,300.00 and $99,900.00 per year, depending on experience, location, and employer.

What is the work of a process engineer?

A process engineer designs, develops, and optimizes manufacturing processes to improve efficiency, quality, and safety. They analyze production workflows, troubleshoot issues, and implement improvements using tools like process flow diagrams and statistical analysis. Strong problem-solving skills and knowledge of industry standards are essential for this role.

What are some common challenges process engineers face when implementing process improvements, and how can they overcome them?

Process Engineers often encounter challenges such as resistance to change from team members, integrating new technologies with existing systems, and ensuring process changes meet regulatory standards. Overcoming these obstacles typically involves clear communication, involving stakeholders early in the process, thorough documentation, and piloting changes before full-scale implementation. Building strong cross-functional relationships and continuously gathering feedback also help ensure that improvements are effective and sustainable.

What is a process engineer?

Process Engineers are professionals who design, implement, and optimize industrial processes to improve efficiency, quality, and safety in manufacturing or production environments. They analyze workflows, troubleshoot process issues, and develop solutions to enhance productivity and reduce costs. Process Engineers often work in industries such as chemicals, pharmaceuticals, food and beverage, and energy, ensuring processes are compliant with environmental and safety regulations. Their work is vital for maintaining smooth operations and achieving organizational goals.

What jobs do process engineers do?

Process engineers design, develop, and optimize manufacturing processes to improve efficiency, safety, and quality. They analyze production data, troubleshoot issues, and implement process improvements using tools like process flow diagrams and statistical analysis. Their work often involves collaboration with production teams and requires knowledge of engineering principles and industry standards.

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

To thrive as a Process Engineer, you need a solid background in chemical, mechanical, or industrial engineering, often supported by a relevant bachelor's degree and understanding of process optimization principles. Familiarity with process simulation software (such as Aspen Plus or AutoCAD), Six Sigma methodologies, and quality management systems is typically required. Strong analytical thinking, problem-solving abilities, and effective communication skills set candidates apart in this role. These skills and qualifications are essential to improve efficiency, ensure safety, and drive continuous improvement in industrial and manufacturing processes.

What is the difference between Process Engineer vs Manufacturing Engineer?

AspectProcess EngineerManufacturing Engineer
CredentialsBachelor's in Engineering, certifications like Six SigmaBachelor's in Engineering, certifications like Lean Manufacturing
Work EnvironmentDesigning and optimizing processes, R&D settingsOverseeing production lines, factory floors
Industry UsageManufacturing, chemical, aerospaceAutomotive, electronics, consumer goods

Process Engineers focus on designing and improving manufacturing processes, often working in R&D or engineering departments. Manufacturing Engineers concentrate on implementing and managing production on the factory floor. Both roles require similar technical skills and certifications but differ mainly in their scope and work environment.

More about Process Engineer jobs
What are the most commonly searched types of Process Engineer jobs in Decatur, IL? The most popular types of Process Engineer jobs in Decatur, IL are:
What are popular job titles related to Process Engineer jobs in Decatur, IL? For Process Engineer jobs in Decatur, IL, the most frequently searched job titles are:
What cities near Decatur, IL are hiring for Process Engineer jobs? Cities near Decatur, IL with the most Process Engineer job openings:
Process Engineer jobs near you
Infographic showing various Process Engineer job openings in Decatur, IL as of August 2026, with employment types broken down into 1% As Needed, 74% Full Time, 21% Part Time, and 4% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $89,254 per year, or $42.9 per hour.

Mechanical Engineer

RFA Engineering

Decatur, IL • On-site

$65K - $95K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 21 days ago

Job description

RFA Engineering (www.rfamec.com) is an engineering service provider dedicated to delivering our clients with timely engineering support and expertise. We are seeking an experienced candidate to become an integral part of our engineering team. The selected candidate will work with an experienced engineering staff using state-of-the-art engineering tools & processes. This position will operate onsite at our customer's world-class engineering and manufacturing facility.
This is a full-time position with a full benefit package listed below that includes opportunities for professional growth, direct hire by our customers, and additional opportunities within our own organization.
Mechanical Engineer
The selected candidate will work with an experienced engineering staff supporting the development, validation, manufacturing support, and continuous improvement of large off-highway equipment used in construction, mining, earthmoving, and industrial applications. Projects may involve large mining trucks, off-highway trucks, wheel loaders, wheel tractor scrapers, wheel dozers, motor graders, and compaction equipment. The work will be highly collaborative with engineering, manufacturing, validation, quality, suppliers, and factory operations teams.
Responsibilities
  • Participate in the design, development, build, and validation of mechanical systems and components used in large off-highway equipment.
  • Support product development, product improvement, cost reduction, and product health initiatives.
  • Research and analyze engineering requirements, specifications, test results, and field issues to develop effective solutions.
  • Investigate product, component, and system failures and perform root cause analysis to identify corrective actions.
  • Support prototype, pilot, and production builds while working closely with manufacturing and operations teams.
  • Collaborate with validation engineers to support machine testing and ensure robust product performance.
  • Develop and evaluate design concepts for fabricated structures, mounting systems, castings, machined components, hydraulic systems, and other mechanical systems.
  • Support APQP activities and work with suppliers to ensure manufacturability and product quality requirements are achieved.
  • Participate in continuous product improvement and quality improvement projects.
  • Create and modify engineering documentation, 3-D models, drawings, and product structures using engineering software tools.
  • Support factory operations by troubleshooting production issues and implementing corrective actions.
  • Collaborate with other groups (Engineering, Manufacturing, Purchasing, Quality, Supplier Development, Validation, and Marketing) as necessary.
  • Travel to supplier or customer locations pending project needs (up to ~10%).

Requirements
  • BSME, BSMET or equivalent degree with experience.
  • Entry level candidates and experienced candidates will be considered.
  • Strong mechanical aptitude demonstrated through work experience or hobbies.
  • Excellent communication both written and verbal.
  • Demonstrated ability to meet deadlines and commitments.
  • Strong analytical, problem solving and troubleshooting skills.
  • Ability to thrive in a team environment.
  • Ability to travel (less than 10% of time).

Desired Attributes
  • Experience with the APQP (Advanced Product Quality Planning) process.
  • Experience in 3-D Modeling Software; Creo (Pro/Engineer) experience.
  • Previous experience with Teamcenter or other PDM software.
  • Experience with manufacturing processes, assembly operations, machining, welding, or fabrication.
  • Experience supporting product development, validation, prototype builds, or new product introduction activities.
  • Design experience or exposure to off-road mobile equipment, construction equipment, mining equipment, heavy machinery, or hydraulic systems.
  • Experience with shop or factory support.
  • Experience working with cross-functional engineering and manufacturing teams.
  • Desire to work in an engineering environment focusing on robust & cost effective design.

Visa sponsorship is NOT available for this position.
Pay Range: $65,000-$95,000 - Commensurate with experience
About RFA Engineering
RFA Engineering has provided product development and engineering services to industry leading customers since 1943. Our primary focus is the development of off highway equipment including agricultural, construction, mining, recreational, industrial, and special machines. Our work includes concept development, product design, documentation, problem-solving, simulation, optimization, and testing of components, systems and complete machines. Our engineering staff is located at our Engineering Center in Minneapolis, branch office in Dubuque, IA, and at numerous customer sites throughout the U.S.
Competitive Benefits
  • Health and Dental Insurance
  • Health Savings Account
  • TelaDoc: Virtual Health Care
  • Vision Insurance
  • Company Paid / Supplemental Life Insurance
  • Company Paid Long-Term Disability
  • Supplemental Short-Term Disability
  • Retirement Savings Account (Traditional 401k & Roth 401k)
  • Flexible Spending Plan Dependent Care
  • Bonus Plan (Exempt Employees Only)
  • Paid Time Off (PTO)
  • Paid Holidays
  • Bereavement Leave
  • Employee Assistance Programs (EAP)
  • Education Assistance

Equal Opportunity and Veteran Friendly
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.

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