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Process Engineer Jobs in Peoria, IL (NOW HIRING)

RFA Engineering

Quality/Test Engineer

Chillicothe, IL · On-site

$70K - $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 ...

RFA Engineering

Control Systems Engineer

Chillicothe, IL · On-site

$70 - $100/hr

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 ...

RFA Engineering

Control Systems Engineer

Chillicothe, IL · On-site

$70K - $100K/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 ...

RFA Engineering

Systems Engineer III

Chillicothe, IL · On-site

$90K - $110K/yr

The selected candidate will work with an experienced engineering staff using state-of-the-art engineering tools & processes. This position will operate hybrid with a minimum of 3 days a week at our ...

RFA Engineering

Systems Engineer III

Chillicothe, IL · On-site

$90 - $110/hr

The selected candidate will work with an experienced engineering staff using state-of-the-art engineering tools & processes. This position will operate hybrid with a minimum of 3 days a week at our ...

RFA Engineering

Mechanical Engineer

Chillicothe, IL · On-site

$70K - $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 ...

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All JobsProcess Engineer JobsProcess Engineer Jobs in Peoria, IL

Process Engineer information

See Peoria, IL salary details

$48.6K

$90.3K

$139.8K

How much do process engineer jobs pay per year?

As of Sep 3, 2026, the average yearly pay for process engineer in Peoria, IL is $90,286.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,100.00 and $101,100.00 per year, depending on experience, location, and employer.

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 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 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 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.

What jobs can a process engineer do?

A process engineer designs, develops, and optimizes manufacturing processes to improve efficiency, quality, and safety. They work in industries such as chemical, pharmaceutical, food, and automotive, often using tools like process simulation software and requiring knowledge of quality standards and safety regulations.
More about Process Engineer jobs

What are the most commonly searched types of Process Engineer jobs in Peoria, IL?

The most popular types of Process Engineer jobs in Peoria, IL are:

What are popular job titles related to Process Engineer jobs in Peoria, IL?

For Process Engineer jobs in Peoria, IL, the most frequently searched job titles are:

What cities near Peoria, IL are hiring for Process Engineer jobs?

Cities near Peoria, IL with the most Process Engineer job openings:

Process Engineer jobs near you
Infographic showing various Process Engineer job openings in Peoria, IL as of August 2026, with employment types broken down into 82% Full Time, and 18% Contract. Highlights an 100% In-person job distribution, with an average salary of $90,286 per year, or $43.4 per hour.

Quality/Test Engineer

RFA Engineering

Chillicothe, IL • On-site

$70K - $95K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 18 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 entry level to 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 facilities.
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.
Quality/Test Engineer
The selected candidate will work with an experienced engineering staff supporting quality, validation, testing, reliability, and continuous improvement activities associated with engines, powertrain systems, cast components, and off-highway construction and mining equipment. Work may involve laboratory testing, machine testing, failure analysis, root cause investigations, product validation, manufacturing quality support, and supplier quality activities. The work will be highly collaborative with engineering, manufacturing, validation, quality, and supplier teams.
Responsibilities
  • Support quality, validation, and testing activities for engine, powertrain, and off-highway equipment programs.
  • Develop and execute test plans, test procedures, and validation activities.
  • Collect, analyze, and interpret test data to evaluate product performance, reliability, and durability.
  • Investigate product, component, and system failures and perform root cause analysis.
  • Support prototype, pilot, and production build activities.
  • Work with engineering, manufacturing, and supplier teams to resolve quality concerns.
  • Support APQP activities, FMEA development, and product validation processes.
  • Participate in product improvement, cost reduction, and product health initiatives.
  • Support reliability, durability, and performance testing activities.
  • Create and maintain test documentation, reports, and quality records.
  • Collaborate with suppliers and internal teams to implement corrective and preventive actions.
  • Support factory operations through troubleshooting and quality improvement activities.
  • Travel to supplier or customer sites pending project needs (up to ~10%).

Requirements
  • Bachelor's of Science in Mechanical Engineering, Manufacturing Engineering, Industrial Engineering, Electrical Engineering, or related technical field.
  • Entry level candidates and experienced candidates will be considered.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Excellent communication both written and verbal.
  • Demonstrated ability to meet deadlines and commitments.
  • Ability to thrive in a team environment.
  • Ability to travel (less than 10% of time).

Desired Attributes
  • Experience with APQP (Advanced Product Quality Planning).
  • Experience with FMEA, root cause analysis, and corrective action processes.
  • Experience with validation, testing, reliability, or quality engineering activities.
  • Experience with data collection and test data analysis.
  • Experience supporting manufacturing operations and production environments.
  • Experience with quality systems and continuous improvement methodologies.
  • Exposure to engines, powertrain systems, off-road equipment, heavy machinery, or industrial products.
  • Experience working with suppliers and cross-functional teams.
  • Desire to work in an engineering environment focused on product quality, reliability, and performance.

Visa sponsorship is NOT available for this position.
Pay Range: $70,000-$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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