Demo

Process Engineer

Alpha Packaging
Saint Louis, MO Full Time
POSTED ON 9/9/2026
AVAILABLE BEFORE 11/9/2026

Grow boldly with Pretium!

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.

Salary.com Estimation for Process Engineer in Saint Louis, MO
$87,821 to $101,571
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