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Senior Process Engineer Jobs in Peoria, IL (NOW HIRING)

Process Engineer

East Peoria, IL · On-site

$75K - $95K/yr

Process Engineer The selected candidate will work with an experienced engineering staff supporting product development, validation, testing, and continuous improvement activities for complex ...

Process Engineer

East Peoria, IL · On-site

$75 - $95/hr

Process Engineer The selected candidate will work with an experienced engineering staff supporting product development, validation, testing, and continuous improvement activities for complex ...

Process Engineer

Peoria, IL · On-site

$75 - $95/hr

Process Engineer The selected candidate will work with an experienced engineering staff supporting product development, validation, testing, and continuous improvement activities for complex ...

New

A minimum of 2 years of experience working as an engineer in the construction/industrial manufacturing industry or relevant work experience. Advanced knowledge of production machinery, processes, and ...

A minimum of 2 years of experience working as an engineer in the construction/industrial manufacturing industry or relevant work experience. Advanced knowledge of production machinery, processes, and ...

Process Control Engineer Peoria, Illinois (Onsite) & Skill Requirement: * Process Control Engineer is responsible for managing successful implementation sourcing and source moves for complex Iron ...

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Process Control Engineer

Peoria, IL · On-site

$100K - $130K/yr

Must be a US citizen or have a green card Our Client a global chemical manufacturer seeks a Process Control Engineer with DCS and PLC programming, ladder logic, and process improvement via controls.

Senior Design Engineer Philippi-Hagenbuch, Inc. | Peoria, IL Design the equipment that moves the ... Solid understanding of mechanical design and manufacturing processes * Excellent analytical and ...

As our Senior Design Engineer, you'll lead the design and development of customized off-highway ... Solid understanding of mechanical design and manufacturing processes * Excellent analytical and ...

New

Interpret engineering drawings, schematic diagrams, or formulas and confer with management or engineering staff to determine quality and reliability standards. * Read worker logs, product processing ...

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Showing results 1-20

Senior Process Engineer information

See Peoria, IL salary details

$73.6K

$118.8K

$167.3K

How much do senior process engineer jobs pay per year?

As of Sep 3, 2026, the average yearly pay for senior process engineer in Peoria, IL is $118,837.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,000.00 and $132,000.00 per year, depending on experience, location, and employer.

What does a senior process engineer do?

A Senior Process Engineer is responsible for designing, optimizing, and overseeing processes within manufacturing or production environments. They analyze workflows, troubleshoot issues, and implement improvements to increase efficiency, safety, and product quality. Senior Process Engineers often lead projects, mentor junior engineers, and collaborate with cross-functional teams to ensure operational excellence. Their expertise is vital in industries like chemicals, pharmaceuticals, oil and gas, and food processing.

What are the key skills and qualifications needed to thrive as a senior process engineer?

To thrive as a Senior Process Engineer, you need a strong background in chemical or process engineering, problem-solving skills, and typically a bachelor's or master's degree in a relevant field. Expertise in process simulation software (such as Aspen Plus or HYSYS), Six Sigma or Lean certifications, and familiarity with process control systems are highly valued. Outstanding analytical abilities, leadership, and effective communication set top performers apart in this role. These skills and qualifications are crucial for optimizing processes, ensuring safety and compliance, and leading teams to achieve operational excellence.

What are some common challenges senior process engineers face when working on cross-functional teams?

Senior Process Engineers often collaborate with professionals from various departments, such as operations, quality, and maintenance. A common challenge is aligning diverse priorities and communication styles to achieve shared project goals. Successfully managing these differences requires strong interpersonal and project management skills, as well as the ability to translate technical concepts for non-engineering colleagues. Regular meetings and clear documentation can help ensure everyone stays informed and engaged throughout the process.

What is the difference between Senior Process Engineer vs Process Engineer?

AspectSenior Process EngineerProcess Engineer
QualificationsBachelor's or Master's in Engineering, often with 5+ years experienceBachelor's degree in Engineering or related field, typically 1-3 years experience
ResponsibilitiesLeading process improvements, mentoring, project managementSupporting process development, data analysis, assisting senior staff
Work EnvironmentDesign teams, manufacturing plants, R&D departmentsManufacturing facilities, engineering teams, operational support

Senior Process Engineers typically have more experience, leadership duties, and oversee complex projects, while Process Engineers focus on supporting process development and implementation. Both roles are essential in manufacturing and engineering industries, but the senior role involves greater responsibility and strategic planning.

How much does a senior process engineer earn?

A senior process engineer typically earns between $80,000 and $130,000 annually, depending on experience, industry, and location. They often have specialized skills in process optimization, project management, and may hold certifications like Six Sigma or PE licensure.

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

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

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

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

Infographic showing various Senior Process Engineer job openings in Peoria, IL as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 20% Part Time, 3% Contract, and 1% Nights. Highlights an 89% Physical, 2% Hybrid, and 9% Remote job distribution, with an average salary of $118,837 per year, or $57.1 per hour.

Process Engineer

RFA Engineering

East Peoria, IL • On-site

$75K - $95K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 14 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.
Process Engineer
The selected candidate will work with an experienced engineering staff supporting product development, validation, testing, and continuous improvement activities for complex mechanical systems and equipment. Work may include test planning, test execution, data acquisition, analysis, failure investigation, prototype evaluation, and communication of results. Projects may involve engines, power systems, machine components, structural systems, and other products used in industrial, construction, mining, and off-highway applications. The work will be highly collaborative with engineering, validation, manufacturing, laboratory, and supplier teams.
Job Description
  • Develop, conduct, analyze, and manage product validation and development testing activities.
  • Create test plans and procedures for mechanical systems, components, and equipment.
  • Coordinate the design and procurement of prototype hardware needed to support testing.
  • Set up test equipment, instrumentation, sensors, and gaging for laboratory, bench, and field testing activities.
  • Use data acquisition systems to collect performance, vibration, stress, strain, and other test data.
  • Analyze test data and evaluate product performance, reliability, and durability.
  • Perform vibration, durability, performance, reliability, and structural testing activities.
  • Support validation of mechanical systems, components, structures, and equipment through laboratory and field testing.
  • Investigate test and field failures and provide technical guidance to support product improvements and corrective actions.
  • Work with design and simulation teams to compare test results with analytical predictions.
  • Manage multiple validation projects, schedules, test resources, and deliverables.
  • Generate technical reports and clearly communicate test conclusions and recommendations.
  • Develop and maintain strong working relationships with customers, engineering teams, laboratory technicians, and suppliers.
  • Identify opportunities to improve validation methods, testing efficiency, and data quality.
  • Travel to customer, supplier, laboratory, proving ground, or field locations pending project need (up to ~25%).

Requirements
  • Bachelor's degree in Mechanical Engineering, Manufacturing Engineering, Industrial Engineering, Metallurgical Engineering, Materials Science, or related engineering discipline.
  • Experience in manufacturing, heavy industry, industrial equipment, or production environments.
  • Working knowledge of manufacturing processes and mechanical systems.
  • Strong problem-solving and analytical skills.
  • Excellent communication both written and verbal.
  • Ability to manage multiple projects and priorities simultaneously.
  • Demonstrated ability to meet deadlines and commitments.
  • Ability to thrive in a team environment.
  • Ability to travel (up to 25% of time)

Desired Experience
  • Experience with heat treat, casting, forging, machining, fabrication, manufacturing, or industrial process environments.
  • Experience supporting capital equipment projects, facility improvements, or manufacturing process upgrades.
  • Experience working with industrial equipment and production operations.
  • Experience performing root cause investigations and corrective action activities.
  • Experience working with suppliers, contractors, and cross-functional teams.
  • Experience with quality systems, validation activities, and continuous improvement methodologies.
  • Experience with materials, metallurgical processes, mechanical systems, or industrial production equipment.
  • Experience supporting equipment installation, commissioning, or startup activities.
  • Familiarity with AutoCAD, Creo, or similar engineering software tools.
  • Desire to work in an engineering environment focused on manufacturing excellence, operational efficiency, and continuous improvement.

Visa sponsorship is NOT available for this position.
Salary Range: $75,000-$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
  • TelaDoc Healthiest You
  • Supplemental Vision Insurance
  • Company Paid Life Insurance
  • Company Paid Long-Term Disability
  • Short-term Disability
  • Retirement Savings Account (Traditional 401k & Roth 401k)
  • Flexible Spending Plan Dependent Care
  • HSA for Medical Expenses
  • 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.