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Process Engineer Jobs in Libertyville, IL (NOW HIRING)

Wieland Group

Process Engineer

Wheeling, IL

$75.60K - $94.87K/yr

Process Engineer Job Location US-IL-Wheeling ID 2026-4009 # of Openings 1 Posted Date 2 weeks ago(5/12/2026 9:29 AM) Overview Wieland - Creating Value for Generations! Wieland is a global leader in ...

Wieland

Process Engineer

Wheeling, IL · On-site

$75.60K - $94.87K/yr

The Process Engineer will develop and define the support system for the production and finishing department, including troubleshooting equipment and tooling issues, researching new processes and ...

Wieland

Process Engineer

Wheeling, IL

$75.60K - $94.87K/yr

The Process Engineer will develop and define the support system for the production and finishing department, including troubleshooting equipment and tooling issues, researching new processes and ...

Flex

Process Engineer

Buffalo Grove, IL

$96.40K - $132.50K/yr

Job Summary The Process Engineer will be based in Buffalo Grove, IL reporting to the Process Engineering Manager. The Process Engineer plans, directs, and coordinates manufacturing processes by ...

Flex Ltd.

Process Engineer

Buffalo Grove, IL · On-site

$96.40K - $132.50K/yr

Job Summary The Process Engineer will be based in Buffalo Grove, IL reporting to the Process Engineering Manager. The Process Engineer plans, directs, and coordinates manufacturing processes by ...

THE VISUAL PAK COMPANIES

Process Engineer

Waukegan, IL

$28.80 - $43.20/hr

Process Engineer The Process Engineer provides effective use of technical, Lean and administrative competencies to oversee and complete Process Engineering projects. These projects range in ...

The Visual Pak Companies

Process Engineer

Waukegan, IL · On-site

$28.80 - $43.20/hr

Process Engineer The Process Engineer provides effective use of technical, Lean and administrative competencies to oversee and complete Process Engineering projects. These projects range in ...

Nemera

Process Engineer

Buffalo Grove, IL · On-site

Develop a robust and repeatable process window based on scientific process engineering principles. * Implement statistical process analysis on new and existing molds * Document all injection molding ...

Kosmos

Process Engineer

Elk Grove Village, IL

$110K - $140K/yr

Growing Manufacturing Company in Butte, Montana has a need for a Process Engineer. This is a direct hire role with a full benefits package and relocation. Prefer a B.S. in Engineering, and a minimum ...

Cooley

Legal Process Engineer

Chicago, IL

Legal Process Engineer Cooley is seeking a Legal Process Engineer to join the Practice Engineering team. Position summary : As the leading technology law firm, Cooley is determined to become a leader ...

Clayens US LLC

Process Engineer

Crystal Lake, IL · On-site

$90K - $110K/yr

Monitor performance of process parameters that produce non-conforming products, low yields, or product quality issues. Interfaces with Quality and Engineering Departments to resolve manufacturing ...

Novolex

Process Engineer

Franklin Park, IL

This person will be the plant's main process engineering expert. · Develop solutions to problems that adversely affect the APET processes in the Franklin Park IL plant. · Provide technical advice ...

Novolex

Process Engineer

Franklin Park, IL · On-site

This person will be the plant's main process engineering expert. Develop solutions to problems that adversely affect the APET processes in the Franklin Park IL plant. Provide technical advice ...

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Process Engineer information

See Libertyville, IL salary details

$48.1K

$89.4K

$138.5K

How much do process engineer jobs pay per year?

As of May 28, 2026, the average yearly pay for process engineer in Libertyville, IL is $89,447.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,400.00 and $100,100.00 per year, depending on experience, location, and employer.

What Is a Process Engineer?

As a process engineer, often called a chemical engineer, you are responsible for creating efficient manufacturing processes in the manufacturing industry. You will evaluate current chemical processes and modify them as needed to ensure efficiency and profitability are maximized. You will also monitor processes for safety and environmental impact and seek to improve them whenever possible. Your responsibilities may vary depending on the particular industry in which you work and specialized skills sets may be required.

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 are Process Engineers?

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 make $3,000 a month without a degree?

Process engineers typically require a degree, but some related roles like manufacturing technicians, quality inspectors, or certain entry-level industrial jobs can pay around $3,000 monthly without a degree, especially with experience or certifications. Skilled trades such as HVAC technicians, electricians, or welders may also reach this income level through apprenticeships and on-the-job training.

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 popular job titles related to Process Engineer jobs in Libertyville, IL? For Process Engineer jobs in Libertyville, IL, the most frequently searched job titles are:
What cities near Libertyville, IL are hiring for Process Engineer jobs? Cities near Libertyville, IL with the most Process Engineer job openings:
Process Engineer jobs near you
Infographic showing various Process Engineer job openings in Libertyville, IL as of May 2026, with employment types broken down into 82% Full Time, 6% Part Time, 6% Temporary, and 6% Contract. Highlights an 94% In-person, and 6% Remote job distribution, with an average salary of $89,447 per year, or $43 per hour.
Process Engineer

Process Engineer

Sterling Engineering Inc.

Libertyville, IL • On-site

$120K - $145K/yr

Full-time

Posted 19 days ago

Job description

Process Engineer (Injection Molding)
Location: Libertyville, IL
Pay: $120,000 - $145,000/yr

Position Overview
We are seeking a hands-on Injection Molding Process Engineer to support and optimize molding operations at a new manufacturing facility with brand new molding machines and equipment. This role focuses on establishing robust molding processes, reducing scrap and cycle times, and driving continuous improvement across production. This is a floor-focused engineering role, working directly with molding presses, materials, and tooling to troubleshoot issues, develop stable process windows, and support validation and new product introductions.

Responsibilities
  • Establish and maintain robust process windows for injection molded components using Scientific Molding techniques and DOE (Design of Experiments)
  • Troubleshoot molding processes to identify and eliminate production defects
  • Optimize processes to reduce scrap, improve cycle times, and increase manufacturing efficiency
  • Conduct process validation and capability studies
  • Support new product introductions including process development and equipment qualification
  • Analyze workflow, equipment layout, and manufacturing processes to improve efficiency
  • Create and maintain process documentation, including work instructions and setup instructions
  • Support development and improvement of PFMEA and control plans
  • Investigate root causes of equipment or process failures and implement corrective actions
  • Collaborate with engineering, production, and quality teams on continuous improvement initiatives
  • Assist with technical writing, including procedures, risk assessments, and process documentation
Required Experience and Skills
  • Bachelor’s degree in Engineering
  • 8+ years of hands-on injection molding process experience
  • Strong troubleshooting experience with molding processes and production defects
  • Experience with hydraulic and electric injection molding presses
  • Knowledge of molding equipment including dryers, loaders, blenders, hot runner systems, and related processing equipment
  • Experience processing common resins such as Polypropylene, Polycarbonate, ABS, and Nylon
  • Experience developing, evaluating, and improving manufacturing processes
Preferred Experience
  • RJG Master Molder certification or Scientific Molding training
  • Experience with DOE (Design of Experiments) and process validation
  • Experience with EOAT, six-axis robots, and automation integration
  • Background in regulated or high-precision manufacturing environments
Qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, or national