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Sunnen Products Company

Heat Treat Operator

Sunnen Products Company, St Louis, Missouri, United States

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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

Weekly onsite Nurse Practitioner and Chiropractor

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.