Senior Mold Maker (A or B Shift)

Roechling Industrial (Singapore) Pte Ltd; Rochester (MN); On-site; USD 60,000 - 80,000; Full time

Benefits offered by this job

Health management offerings

Tailored training programs

Food options available

Job summary

Roechling Industrial (Singapore) Pte Ltd is looking for a skilled Mold Maker in Rochester, Minnesota. The role involves building, repairing, and maintaining high-precision injection molds for medical devices, ensuring they meet tight tolerances and production standards.

The ideal candidate will have at least 10 years of experience in mold manufacturing and a strong knowledge of plastic injection processes. This position offers engaging work in a collaborative environment, focusing on quality and attention to detail.

Qualifications

• Minimum 10 years’ experience with plastic injection molding.
• Strong knowledge of mold design and function.
• Ability to troubleshoot complex mold issues.

Responsibilities

• Build new molds and perform repairs and modifications.
• Troubleshoot and restore production stability.
• Execute preventive maintenance activities on molds.

Skills

Plastic injection mold design

Problem-solving skills

Attention to detail

Mechanical aptitude

CAD/CAM software use

Education

10 years at journeyman level in mold manufacturing

Tools

Mastercam CAD/CAM software

CNC machining tools

Job description

Job Summary

The Mold Maker is responsible for the build, repair, modification, and ongoing maintenance of high‑precision injection molds supporting medical device manufacturing. This role ensures molds are capable, reliable, and production‑ready, with a strong focus on tight tolerances, process stability, and long‑term mold performance. The Mold Maker works closely with Tool Engineering, CNC departments, and Manufacturing to support new builds, engineering changes, troubleshooting, and preventative maintenance activities.

Essential Duties/Responsibilities

• Build new injection molds and perform engineering changes, repairs, and refurbishments to existing production molds.
• Troubleshoot complex, tight‑tolerance mold issues to restore and sustain stable, repeatable production performance.
• Execute structured preventative maintenance activities, including cleaning, lubrication, polishing, and inspection, to keep molds in optimal operating condition.
• Evaluate mold performance during production runs and trials, identifying opportunities to improve tool capability, reliability, and long‑term performance.
• Provide technical input and feedback to Tool Engineering on mold performance, failure modes, and preventative maintenance strategies.
• Communicate mold‑related issues clearly, recommending corrective actions and tooling alternatives to support production and quality objectives.
• Support mold trials, startups, and validation activities as required to ensure production readiness.
• Set up and operate toolroom equipment, including manual and CNC mills, grinders, lathes, and related machinery.
• Maintain accurate documentation for mold repairs, modifications, and preventative maintenance activities.
• Work independently while aligning priorities and technical direction with the Toolroom Supervisor.
• Perform all work in accordance with applicable quality system requirements, documentation standards, and cleanroom protocols.

Required Skills/Abilities

• Strong working knowledge of plastic injection mold design, construction, and function.
• Demonstrated ability to troubleshoot complex mold issues in a production environment.
• Precision machining and grinding capability to tolerances of ±0.0001 inches.
• Proficient in the setup and operation of toolroom equipment, including manual machining tools and CNC mills.
• Mechanical aptitude with excellent problem‑solving and troubleshooting skills.
• Ability to conceptualize solutions and apply creativity to tooling challenges.
• Strong attention to detail and commitment to quality and workmanship.
• Ability to work effectively as part of a team while maintaining individual accountability.
• Experience using CAD/CAM software in a mold manufacturing or repair environment (Mastercam preferred).
• Sinker EDM and Wire EDM experience preferred but not required.

Education and Experience

Minimum 10 years’ experience at a journeyman level including exposure to a variety of mold manufacturing and plastic injection molding processes and technologies.

Physical Requirements

• Ability to stand, bend, and work in a toolroom environment for extended periods.
• Ability to lift up to 30 pounds as required.
• Visual acuity required for precision machining, inspection, and detailed mold work.

Work Environment

• Manufacturing and toolroom environment requiring appropriate PPE.
• Exposure to noise, machinery, and shop conditions typical of a toolroom.
• Interaction with cleanroom manufacturing areas as required.

Benefits

Health Management: Your health and well‑being are important to us. Take advantage of our diverse health offerings, such as the health clinic.

Training and Development: We offer tailored training programs for various roles to ensure everyone can reach their full potential.

Food: Our sites offer vending machines with a variety of snacks and food options to enjoy during shift work.

Flexibility: Mobile work is possible.