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Assistant Process Engineer Jobs in Oak Brook, IL

Combined Metals of Chicago

Process Engineer

Elgin, IL · On-site

$70K - $80K/hr

Investigate customer complaints and assist in the determination of root causes and corrective ... process improvements. Education: * Bachelor's degree in Metallurgy, Metallurgical Engineering ...

Ionbond

Process Engineer

West Chicago, IL · On-site

Ionbond is looking for a dynamic Process Engineer to collaborate closely with our Plant Manager and ... * Assist Plant Management team in application development and scale-up of major programs. * Use ...

Mondelez International

Process Engineer

Chicago, IL · On-site

$77K - $106K/yr

... * Assist in VSU for the new initiatives and enables the VSU team; help the line leader in internal ... Engineering (preferred) Job specific requirements: FMCG +2 year of experience in related process.

Mondelez International

Process Engineer

Chicago, IL · On-site

$77K - $106K/yr

... * Assist in VSU for the new initiatives and enables the VSU team; help the line leader in internal ... Engineering (preferred) Job specific requirements: FMCG +2 year of experience in related process.

Mondelez International

Process Engineer

Chicago, IL · On-site

$77K - $106K/yr

... * Assist in VSU for the new initiatives and enables the VSU team; help the line leader in internal ... Engineering (preferred) Job specific requirements: FMCG +2 year of experience in related process.

Brindley Engineering

Staff Process Engineer

Lisle, IL · On-site

$110K - $150K/yr

Detail-oriented, reliable, creative team player to lead/assist in process design for new and ... Bachelor of Science in Chemical Engineering Experience: Min Yr = 08+ Licensure: P.E. Preferred ...

Brindley Engineering

Staff Process Engineer

Lisle, IL

$110K - $150K/yr

Detail-oriented, reliable, creative team player to lead/assist in process design for new and ... Bachelor of Science in Chemical Engineering * Experience: Min Yr = 08+ * Licensure: P.E. Preferred

Brindley Engineering

Staff Process Engineer

Lisle, IL · On-site

$110K - $150K/yr

Detail-oriented, reliable, creative team player to lead/assist in process design for new and ... Bachelor of Science in Chemical Engineering • Experience: Min Yr = 08+ • Licensure: P.E.

Brindley Engineering

Staff Process Engineer

Lisle, IL · On-site

$110K - $150K/yr

Detail-oriented, reliable, creative team player to lead/assist in process design for new and ... Bachelor of Science in Chemical Engineering Experience: Min Yr = 08+ Licensure: P.E. Preferred ...

Brindley Engineering

Associate Process Engineer

Lisle, IL · On-site

$90K - $130K/yr

Detail-oriented, reliable, creative team player to lead/assist in process design for new and ... Bachelor of Science in Chemical Engineering * Experience: Min Yr = 3+ * Licensure: E.I.T. Preferred ...

Leonardo DRS

Process Engineer II

Bolingbrook, IL · On-site

$80 - $100/hr

Provide technical support to technicians, scientists, and other engineers on components, devices, material, products, processes and/or equipment * Assist in training new team members * Interface with ...

PPC Flex

Lean Process Engineer

Buffalo Grove, IL · On-site

$74K - $92K/yr

The Lean Process Engineer develops and improves manufacturing processes by studying product and ... * Assist with training less experienced engineers as needed. * Maintains professional and ...

Sotera Health

Sr. Process Engineer

Oak Brook, IL · On-site

$105K - $135K/yr

The Engineer also leads development and documentation of new sterilization processes. In ... Perform site visits to assist in troubleshooting process related deviations * Analyze process data ...

Brindley Engineering

Lead Process Engineer

Lisle, IL · On-site

$140K - $185K/yr

... Assist in constructability planning, proposal, and estimate development Minimum Qualifications: Education: Bachelor of Science in Chemical Engineering Experience:Min Yr = 10+ Licensure: P.E.

WSP

Chemical Process Engineer

Chicago, IL · On-site

$80 - $100/hr

Your Impact * Assist with performing basic professional process engineering work related to a wide variety of water and wastewater projects for manufacturing and industrial clients in the mining ...

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All JobsProcess Engineer JobsAssistant Process Engineer JobsAssistant Process Engineer Jobs in Oak Brook, IL

Assistant Process Engineer information

See Oak Brook, IL salary details

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$25

$48

How much do assistant process engineer jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for assistant process engineer in Oak Brook, IL is $25.71, according to ZipRecruiter salary data. Most workers in this role earn between $17.69 and $29.86 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an assistant process engineer?

To thrive as an Assistant Process Engineer, a solid background in chemical or process engineering, analytical problem-solving skills, and a relevant engineering degree are essential. Familiarity with process simulation software (such as Aspen HYSYS or AutoCAD), data analysis tools, and safety regulations is typically required. Strong teamwork, effective communication, and attention to detail help individuals stand out in this role. These skills and qualities ensure efficient process optimization, safe operations, and successful collaboration within engineering teams.

What are some common challenges faced by assistant process engineers, and how can they effectively overcome them?

Assistant Process Engineers often encounter challenges such as adapting to rapidly changing project requirements, troubleshooting unexpected process inefficiencies, and balancing multiple tasks under tight deadlines. To navigate these obstacles, it's important to develop strong problem-solving skills, maintain clear communication with senior engineers and cross-functional teams, and stay organized through effective time management. Proactively seeking feedback and learning from experienced colleagues can also help in building confidence and technical expertise, paving the way for career progression.

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

AspectAssistant Process EngineerProcess Engineer
QualificationsBachelor's in Engineering or related field, some certificationsBachelor's or higher in Engineering, often with more experience
Work EnvironmentSupportive, entry-level, team-basedMore autonomous, project management responsibilities
ResponsibilitiesAssist in process design, data collection, troubleshootingDesign, optimize, and oversee manufacturing processes

Assistant Process Engineers typically support process development and troubleshooting under supervision, while Process Engineers take on more independent responsibilities in designing and optimizing processes. Both roles require similar educational backgrounds, but Process Engineers usually have more experience and autonomy in their tasks.

How much does an assistant process engineer get paid?

The average salary for an assistant process engineer typically ranges from $50,000 to $70,000 per year, depending on experience, location, and industry. Entry-level positions may start lower, while those with specialized skills or certifications can earn higher wages. Benefits often include health insurance, paid time off, and opportunities for professional development.

What does an assistant process engineer do?

An assistant process engineer supports the development, implementation, and optimization of manufacturing or chemical processes. They assist in data collection, process troubleshooting, and ensuring safety and quality standards are met, often using tools like process simulation software. This role typically requires strong analytical skills and knowledge of engineering principles.

What are popular job titles related to Assistant Process Engineer jobs in Oak Brook, IL?

For Assistant Process Engineer jobs in Oak Brook, IL, the most frequently searched job titles are:

What job categories do people searching Assistant Process Engineer jobs in Oak Brook, IL look for?

The top searched job categories for Assistant Process Engineer jobs in Oak Brook, IL are:

What cities near Oak Brook, IL are hiring for Assistant Process Engineer jobs?

Cities near Oak Brook, IL with the most Assistant Process Engineer job openings:

Assistant Process Engineer jobs near you
Infographic showing various Assistant Process Engineer job openings in Oak Brook, IL as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 16% Part Time, 3% Contract, and 1% Nights. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution, with an average salary of $53,475 per year, or $25.7 per hour.

Process Engineer

Elgin, IL • On-site

Combined Metals of Chicago
201 - 500 employees
Learn more about Combined Metals of Chicagoexternal

$70K - $80K/hr

Full-time

Re-posted 23 days ago

Job description

Combined Metals is a premier North American processor and specialty strip and wire distributor built through 50 years of growth and acquisition. Combined Metals is North America's largest independent processor and distributor of specialty strips and wire. Combined Metals has nine service centers supporting over 3,000 customers in the Aerospace, Defense, Nuclear, Medical, Petrochemical, Oil & Gas, Electrification, Automotive, and Consumer industries. Decades of quality and reliability have made Combined Metals™ a chosen source in performance applications.

Responsibilities:

  • Establish and maintain manufacturing standard processes and make controlled changes when required.
  • Review router instructions to ensure all requirements are met and instructions are clearly communicated.
  • Review customer inquiries to determine the plant’s ability to process products according to their capabilities.
  • Provide technical and metallurgical support to external customers and internal teams.
  • Review industry and customer specifications and comment on, or take exception to, requirements according to the plant’s capabilities.
  • Disposition of Non-conforming material and investigation of causes of failures. Make any necessary changes to standard processes or procedures to prevent recurrences.
  • Provide processing support to the shop floor to produce material according to customer and industry standards and requirements.
  • Assist in preparation and/or review of processes and procedures to ensure the material produced meets customer requirements.
  • Proven ability to work independently, be a self-starter, problem solver, and self-directed.
  • Knowledge of thermal processing, cold working, and processing of metals.
  • Proven ability to create and present information to all levels.
  • Support continuous improvement efforts to improve manufacturing procedures and standards.
  • Investigate customer complaints and assist in the determination of root causes and corrective actions.
  • Technical liaison with raw material and outside processing suppliers.
  • Monitor and maintain Pyrometry Standards for Production Furnaces.
  • Provide technical support for capital projects, aiming to improve manufacturing capabilities.
  • Work with Production Operators and Maintenance Technicians to understand the plant machinery’s strengths and weaknesses in order to route material effectively and efficiently.
  • Create standards and guidelines to improve and streamline Production processes.
  • Provide technical support to Allocations as necessary, and maintain proficiency at material allocation.
  • Create and manage trial processes for customers to develop new product lines. Communicate the results internally and with the customer as necessary.
  • Perform Metallographic Analysis as necessary.
  • Utilize statistical methods to monitor processes and guide process improvements.

Education:

  • Bachelor’s degree in Metallurgy, Metallurgical Engineering, Material Engineering/Science, or a closely related discipline.
  • Proficiency in process simulation software
  • Excellent knowledge of process optimization techniques
  • Familiarity with industry regulations and standards

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