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Process Engineer Process Engineer Jobs in Saint Louis, MO

The Process Engineer assists plant leadership and works collaboratively with all other departments to maintain the flow of work in the process molding lines, ensuring customer products are being ...

Process engineer

Saint Louis, MO · On-site

$88K - $103K/yr

The Process Engineer assists plant leadership and works collaboratively with all other departments to maintain the flow of work in the process molding lines, ensuring customer products are being ...

ROLE SUMMARY The Process Engineer is a key technical role responsible for ensuring consistent high performance of manufacturing processing areas. The incumbent will provide focused technical ...

ROLE SUMMARY The Process Engineer is a key technical role responsible for ensuring consistent high performance of manufacturing processing areas. The incumbent will provide focused technical ...

Process Engineer Join a leading chemical manufacturer renowned for its rubber additives, chlorine tablets, and oil additives. As a Process Engineer, you will play a critical role in supporting the ...

The Process Engineer assists plant leadership and works collaboratively with all other departments to maintain the flow of work in the process molding lines, ensuring customer products are being ...

The Process Engineer assists plant leadership and works collaboratively with all other departments to maintain the flow of work in the process molding lines, ensuring customer products are being ...

The Process Engineer enables the safe and reliable production at a low cost that meets or exceeds the customer requirements. This role requires in-depth conceptual and practical knowledge in job ...

Process Engineer

Saint Louis, MO · On-site

$80K - $120K/yr

Job Summary The primary role of the Process Engineer is to develop and design mechanical processes for new and existing industrial systems as defined by clients. This role includes the overall design ...

Louis) is searching for an experienced Process Engineer to join our team. Responsibilities include: * * Schedule, supervise and take part in process flow studies for all production systems; plan ...

Louis) is searching for an experienced Process Engineer to join our team. Responsibilities include: * * Schedule, supervise and take part in process flow studies for all production systems; plan ...

Louis) is searching for an experienced Process Engineer to join our team. Responsibilities include: * * Schedule, supervise and take part in process flow studies for all production systems; plan ...

Process Engineer

Saint Louis, MO · On-site

$76K - $118K/yr

The Process Engineering position focuses on designing, developing, and implementing new or revised processes. An Experienced Professional position applies practical knowledge of job area typically ...

Process Engineer

Saint Louis, MO · On-site

$76K - $118K/yr

The Process Engineering position focuses on designing, developing, and implementing new or revised processes. An Experienced Professional position applies practical knowledge of job area typically ...

Senior Process Engineer

Saint Louis, MO · On-site

$97K - $125K/yr

The Senior Process Engineer will lead the process engineering effort on EPFC (engineer, procure, fabricate, construct) projects and provide guidance to less experienced process engineers. Work spans ...

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Process Engineer Process Engineer information

See Saint Louis, MO salary details

$48.1K

$89.5K

$138.5K

How much do process engineer process engineer jobs pay per year?

As of Jul 15, 2026, the average yearly pay for process engineer process engineer in Saint Louis, MO is $89,462.00, 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 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 degree and sometimes PE certification. Familiarity with tools like AutoCAD, process simulation software (such as Aspen Plus or HYSYS), and Six Sigma methodologies is typically required. Strong problem-solving abilities, analytical thinking, and effective communication skills help you collaborate across departments and drive process improvements. These capabilities are crucial for optimizing production, ensuring safety, and achieving operational efficiency in manufacturing or industrial settings.

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

AspectProcess EngineerProcess Engineer
CredentialsBachelor's in Engineering or related field, certifications like Six Sigma often preferredBachelor's degree in Chemical, Mechanical, or Industrial Engineering; certifications like Six Sigma are common
Work EnvironmentManufacturing plants, chemical facilities, or production linesIndustrial settings, plant floors, or process development departments
Industry UsageManufacturing, chemical, oil & gas, pharmaceuticalsSimilar industries, often overlapping in chemical, manufacturing, and energy sectors

Both roles focus on optimizing manufacturing processes, ensuring safety, and improving efficiency. They often share similar qualifications and work environments, making them closely related in the industry.

What are some common challenges a Process Engineer might face when implementing process improvements in a manufacturing environment?

Process Engineers often encounter resistance to change from team members who are accustomed to existing workflows. Additionally, they must balance cost constraints with the need for efficiency and quality improvements. Coordinating across departments—such as production, quality assurance, and maintenance—can present communication challenges, requiring strong collaboration skills. Successful Process Engineers address these issues by engaging stakeholders early, clearly communicating the benefits of changes, and using data-driven approaches to demonstrate positive outcomes.

What are Process Engineers?

Process Engineers are professionals who design, implement, control, and optimize industrial processes, often within manufacturing or chemical plants. They work to improve efficiency, safety, and quality by analyzing workflows and modifying equipment or systems. Process Engineers commonly collaborate with other engineers and technicians to troubleshoot problems and develop solutions that enhance production. Their work is critical for ensuring that operations run smoothly, cost-effectively, and in compliance with safety and environmental standards.
What are popular job titles related to Process Engineer Process Engineer jobs in Saint Louis, MO? For Process Engineer Process Engineer jobs in Saint Louis, MO, the most frequently searched job titles are:
What job categories do people searching Process Engineer Process Engineer jobs in Saint Louis, MO look for? The top searched job categories for Process Engineer Process Engineer jobs in Saint Louis, MO are:
Process engineer

Process engineer

Pretium Packaging

Saint Louis, MO

$42.31 - $49.52/hr

Full-time

Re-posted 12 hours ago


Pretium Packaging rating

6.9

Company rating: 6.9 out of 10

Based on 17 frontline employees who took The Breakroom Quiz

71st of 114 rated packaging manufacturers


Job description

Pretium Packaging is searching for a talented, hands-on Process Engineer for our plant in **St. Louis, Missouri. **

About Us:

Pretium Packaging, founded in 1992, is a leading supplier of injection-blow molded plastic containers, known for delivering superior quality, value, and customer service. With 20 manufacturing locations across North America, we provide innovative, high-performance packaging solutions to a diverse portfolio of brand owners in the U.S. and Canada.

What You’ll Be Responsible For:

The Process Engineer assists plant leadership and works collaboratively with all other departments to maintain the flow of work in the process molding lines, ensuring customer products are being produced in accordance with required specifications and quality standards. The Process Engineer will analyze process defects and find solutions. arriving at acceptable quality level throughout the process,

What you’ll do:

  • Start up new and existing equipment, check out system for proper operation, calibrate equipment, perform loop checks, troubleshoot, and resolve system problems.

  • Respond to emergency work order requests, troubleshoot, and analyze systems, investigate the nature of the problems, check for software and hardware defects and verify equipment for proper operation.

  • Direct the installation of new systems to ensure specification and safety compliance by personnel and vendors.

  • Define internal quality control plan including gauging methods and frequency of inspection.

  • Assist production with new project set-ups, tool changes and program adjustments.

  • Troubleshoot problems related to the production process, recommend alternatives to meet planned production schedules and ensure product quality standards are maintained.

  • Modify existing systems, redesign software and system circuitry as necessary to meet project objectives.

  • Recommend improvements to encourage safe and reliable equipment operation on newly installed equipment.

  • Review and analyze daily check sheets for accuracy and to determine operating problems and required corrective action.

  • Monitor and ensure changeovers are completed as scheduled and in a proper manner.

  • Check and ensure preventive maintenance procedures are performed as scheduled and are accurately documented.

  • Maintain good housekeeping conditions and safe operating practices in the department.

  • Ensure weekly setup sheets are completed for all lines and preview for deviations from standards and follow up as necessary.

  • Investigate and resolve product quality problems as required.

  • Troubleshoot and diagnose equipment breakdowns and replace and rebuild machine components as needed.

  • Set up molding machines and trimmer, align and install molds, set and adjust time cycles, air pressures and water temperatures, position labeler, change over and adjust reamer, trim stations, material inspection system, and adjust sequence timing for all operations.

  • Coordinate the implementation of production schedules in the most efficient and productive manner.

  • Recommend and implement improvements to machine line operations to increase productivity and improve product quality.

  • Perform processing for new molds/tooling establishing run perimeters for best efficiency.

What you’ll bring:

  • Bachelor’s or associate’s degree in mechanical/plastics engineering or related field.
  • Reheat blow process and automation experience
  • Experience with the following manufacturers of machinery: Aoki (ISBM/IBM/IM), Uniloy (IBM), and Zhongya (IM)
  • Root cause analysis and trouble-shooting experience
  • Experience with setting oven profiles
  • Infeed and outfeed conveyor experience
  • Effective leadership skills, strong decision-making skills, and ability to lead and drive project teams.
  • Well organized, accurate and attention to detail with the ability to lead and drive project teams.
  • Training or experience in Lean Manufacturing practices.
  • Able to travel and train as need throughout the region.

Why Join Pretium?

At Pretium Packaging, we manufacture rigid plastic containers for some of the most recognized brands in the marketplace. Our plants operate with a strong emphasis on safety, performance, and continuous improvement.

You should be proficient in:

  • Continuous Improvement
  • Process Engineering
  • Plastics - PA6 Experience
  • Plastics - PA66 Materials Experience
  • Plastic Extrusion Experience
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