Demo

Heat Treat Operator

Sunnen Products Company
Sunnen Products Company Salary
St. Louis, MO Full Time
POSTED ON 4/22/2026
AVAILABLE BEFORE 6/22/2026

Sunnen Products Company was founded in 1924 by Joseph Sunnen. For the last 100 years, we have been a global leader in the manufacturing and distribution of bore sizing and finishing equipment, engine rebuilding equipment, and tooling and abrasives. We are seeking results-driven candidates that are interested in working for a company with a long legacy and a bright future!

As the leading global manufacturer of precision honing equipment and related accessories, Sunnen Products Company provides excellent employment opportunities for those in search of a challenging and rewarding career. We pride ourselves on our quality products, exceptional customer service and highly valued employees.

Position Summary: Sunnen is seeking a skilled and safety-conscious Heat Treat Operator to join our team. This position plays a key role in operating heat treatment equipment to modify the physical and mechanical properties of metal parts to meet stringent engineering and quality standards. The ideal candidate must demonstrate a strong commitment to safety, quality, and Lean Manufacturing principles, working proactively to maintain a clean, efficient, and hazard-free work environment while driving continuous improvement.

ESSENTIAL FUNCTIONS OF THE JOB

The Heat Treat Operator will be responsible for delivering results that include the following:

  • Follow all company safety protocols, personal protective equipment (PPE) requirements, lockout/tagout procedures, and hazard communication guidelines at all times
  • Conduct daily safety checks of equipment, tools, and workspace; immediately report unsafe conditions or near-miss incidents
  • Operate and monitor heat-treating equipment including furnaces, ovens, and quenching systems per SOPs and engineering requirements
  • Load/unload parts using proper lifting techniques and equipment (hoists, forklifts), ensuring safe handling and minimizing risk of injury or damage
  • Monitor time, temperature, and other process variables, ensuring adherence to specifications and safety limits
  • Record process data accurately and consistently using data collection systems and ensure traceability for all treated parts
  • Perform visual and mechanical inspections before and after heat treatment using precision tools (e.g., hardness testers, calipers, micrometers)
  • Support and maintain 5S standards in the work area to promote cleanliness, organization, and safety
  • Actively participate in Kaizen, safety audits, and continuous improvement initiatives to enhance workflow and reduce risks
  • Collaborate with supervisors, maintenance, and engineering teams to resolve equipment issues promptly and safely
  • Contribute to a culture of safety awareness and accountability across all shifts and departments

POSITION QUALIFICATION REQUIREMENTS

  • Follow all company safety protocols, personal protective equipment (PPE) requirements, lockout/tagout procedures, and hazard communication guidelines at all times
  • Conduct daily safety checks of equipment, tools, and workspace; immediately report unsafe conditions or near-miss incidents
  • Operate and monitor heat-treating equipment including furnaces, ovens, and quenching systems per SOPs and engineering requirements
  • Load/unload parts using proper lifting techniques and equipment (hoists, forklifts), ensuring safe handling and minimizing risk of injury or damage
  • Monitor time, temperature, and other process variables, ensuring adherence to specifications and safety limits
  • Record process data accurately and consistently using data collection systems and ensure traceability for all treated parts
  • Perform visual and mechanical inspections before and after heat treatment using precision tools (e.g., hardness testers, calipers, micrometers)
  • Support and maintain 5S standards in the work area to promote cleanliness, organization, and safety
  • Actively participate in Kaizen, safety audits, and continuous improvement initiatives to enhance workflow and reduce risks
  • Collaborate with supervisors, maintenance, and engineering teams to resolve equipment issues promptly and safely
  • Contribute to a culture of safety awareness and accountability across all shifts and departments
  • High school diploma/GED

Preferred Skills:

  • Forklift and/or overhead crane certification
  • Experience with ISO 9001, AS9100, or NADCAP processes
  • Understanding of SPC (Statistical Process Control) and TPM (Total Productive Maintenance)
  • Basic computer skills for data entry and ERP systems

Sunnen offers a wide variety of benefits for our employees, such as:

  • Competitive Insurance Coverage, eligible on the first of the month after hire date:
    • Medical (PPO and High Deductible Plan with Employer HSA Contribution)
    • Dental
    • Vision
    • Life and AD&D
    • Accident
    • Critical Illness
    • Hospital Indemnity
  • 401(k) Eligibility with Employer Match
  • Company Paid Benefits:
    • Group Life and AD&D Insurance
    • Short Term Disability
    • Long Term Disability
    • Employee Assistance Program
  • Competitive Vacation Policy
  • Tuition Reimbursement
  • Paid Plant Closure Between Christmas and New Year's Day

We require a background and SSN check, drug test, and physical for pre-employment.

Salary.com Estimation for Heat Treat Operator in St. Louis, MO
$43,342 to $55,938
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