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Assistant Process Engineer Jobs in Oak Brook, IL

Staff Process Engineer

Lisle, IL · On-site

$110K - $150K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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 ...

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 ...

Associate Process Engineer

Lisle, IL · On-site

$90K - $130K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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

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

Partner with R&T, UGN Purchasing and Quality Engineering departments to develop and negotiate material specifications with suppliers for all incoming goods. * Assist plants as needed on process ...

Lead Process Engineer

Lisle, IL · On-site

$140K - $185K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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

Sr. Process Engineer

Oak Brook, IL

$105K - $135K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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 ...

Lead Process Engineer

Lisle, IL · On-site

$140K - $185K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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

Lead Process Engineer

Lisle, IL · On-site

$140K - $185K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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

Lead Process Engineer

Lisle, IL · On-site

$140K - $185K/yr

Provide technical support for field execution, including outage/turnaround projects * Assist in ... Bachelor of Science in Chemical Engineering * Experience:Min Yr = 10+ * Licensure: P.E. Preferred

Process Engineer II

Bolingbrook, IL

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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 ...

Process Engineer II

Bolingbrook, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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 ...

Process Engineer II

Bolingbrook, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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 ...

Process Engineer (Tempo)

Chicago, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Home Chef Ready to Heat (RTH) Process Engineer ensures site readiness for RTH product ... partners * Assist plant leaders and corporate stakeholders in following a stage gate process for ...

The Home Chef Ready to Heat (RTH) Process Engineer ensures site readiness for RTH product ... partners * Assist plant leaders and corporate stakeholders in following a stage gate process for ...

Process Engineer (Tempo)

Chicago, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Home Chef Ready to Heat (RTH) Process Engineer ensures site readiness for RTH product ... partners * Assist plant leaders and corporate stakeholders in following a stage gate process for ...

Development Process Engineer

Lisle, IL · On-site

$100K - $135K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... * Assist production plants in ramping up new products and expanding capacity as needed. * Support ... Engineering * Experience in connector manufacturing processes ranging from low to high volume ...

Showing results 21-40

Assistant Process Engineer information

See Oak Brook, IL salary details

$14

$25

$48

How much do assistant process engineer jobs pay per hour?

As of Aug 18, 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:

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 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $53,475 per year, or $25.7 per hour.

Staff Process Engineer

Brindley Engineering

Lisle, IL • On-site

$110K - $150K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 28 days ago


Job description


Detail-oriented, reliable, creative team player to lead/assist in process design for new and existing facilities. Analyze, calculate, and design new or revamped process equipment in refinery, chemical, and other industrial applications.
Job Duties/Responsibilities:
Lead field and technical evaluations of existing process units
Direct and perform calculations, develop PFDs and P&IDs, provide design documentation for downstream engineering disciplines, develop equipment specifications, compile scope of work packages for construction
Lead Client and Contractor interface, attend meetings, and provide written reports
Provide technical support for field execution, including outage/turnaround projects
Assist in constructability planning, proposal, and estimate development
Minimum Qualifications:
Education: Bachelor of Science in Chemical Engineering
Experience: Min Yr = 08+
Licensure: P.E. Preferred
Technical Skills: Knowledge of P&ID development, heat and material balances, hydraulic and equipment sizing calculations, relief device sizing, API standards, and ASME codes required. Knowledge of process simulation software (eg Aspen Plus, HYSYS) preferred
Management: Experience mentoring and leading small teams required
Other Skills: Strong organizational, written, and verbal communication skills
Professional Development Opportunities:
Advanced technical knowledge of refinery and chemical process unit operations and licensed technologies
Advance knowledge of applicable codes and standards, involvement in AIChE or similar local/national chapters and code committees (API, ASME etc)
Growth in leading technical teams as a subject matter expert or lead engineer
Advance skills in a multi-disciplinary technical and managerial environment
Individual field assignments typically have their own unique requirements. Prior to deployment on any field assignment, you must be able to meet all client-specific site requirements. Should you be unable or unwilling to meet assignment-specific requirements, your continued employment would then be subject to the availability of other assignments whose requirements can be met. These unique requirements may include:
You must possess physical mobility (on the ground and at heights).
You may be required to pick up, lift, carry, and move up to 50 lbs.
You may be required to work at heights, climb ladders and stairways, and may occasionally work off platforms/scaffolding/ladders using the appropriate and required fall protection.
You must be able to work in all weather conditions (including heat, rain, cold, and wind) while wearing the appropriate PPE. This may include, but not be limited to, a hard hat, safety glasses/goggles, earplugs, masks/respirators, hi-vis safety vests, leather gloves, and leather, steel-toed work boots.
You may be required to position yourself to work in confined spaces
You may be required to adhere to a client's random drug testing program prior to entering their site.
You may be required to meet a client's facial hair safety policy prior to entering their site.
Pay Range: $110,000 - $150,000 annually
The above pay range represents a general guideline; however, Brindley considers several factors when determining base salary that are unique to each candidate, including but not limited to the candidate's depth of experience, skill set, certifications, specific work location, and current market conditions. Employees may be eligible for a discretionary bonus and/or other applicable incentive compensation plans in addition to base pay to reward individual contributions and allow employees to share in company results.
In addition, BE provides a comprehensive benefits package for eligible employees, including health, dental, and vision insurance, life and disability insurance, 401(k) savings plan with employer matching, company-paid holidays, paid parental leave, compensatory time off, and paid time off (PTO). Additional details of participation in these benefit plans will be provided if an employee receives an offer of employment.
Brindley Engineering is an Equal Opportunity Employer and is committed to hiring and retaining a diverse workforce. Employment decisions are made without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected characteristic as outlined by federal, state, or local laws.
BE participates in E-Verify. For additional information regarding E-Verify, please go to