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Mastermold Jobs (NOW HIRING)

Mastermold LLC

MAINTENANCE TECHNICIAN

Mauston, WI · On-site

$20 - $30/hr

MasterMold is looking for a motivated and dependable Maintenance Technician to join our second shift team. If you enjoy troubleshooting, working with your hands, solving mechanical problems, and ...

Mastermold LLC

Area Lead

Mauston, WI · On-site

MasterMold is looking for a motivated and dependable Team Lead to support employees within our Paint Department on first shift. This role is critical in helping maintain production flow, supporting ...

Mastermold LLC

Production Supervisor

Johnson Creek, WI · On-site

MasterMold is growing and we're building the next generation of manufacturing leaders to grow with us. We are actively seeking Production Supervisors to lead critical operations across Press, Paint ...

Mastermold LLC

Area Lead

Mauston, WI · On-site

MasterMold is looking for a motivated and dependable Team Lead to support employees within our Paint Department on first shift. This role is critical in helping maintain production flow, supporting ...

MasterMold LLC

Manufacturing Support

Johnson Creek, WI · On-site

MasterMold offers on the job training. These are detailed orientated positions, candidates with an artistic background are encouraged to apply. Advancement opportunity! Shift premiums are available ...

MasterMold LLC

Manufacturing Support

Mauston, WI · On-site

MasterMold offers on the job training. Advancement opportunity! Shift premiums are available. se habla espanol! An example of duties includes, but isn't limited to: • Inspect painted parts to ...

MasterMold LLC

Manufacturing Support

Mauston, WI · On-site

MasterMold offers on the job training. Advancement opportunity! Shift premiums are available. se habla espanol! An example of duties includes, but isn't limited to: Inspect painted parts to insure ...

Mastermold LLC

Material Handler

Mauston, WI · On-site

$20 - $23/hr

MasterMold is looking for motivated Material Handlers to help keep production moving efficiently and safely in a fast-paced environment. If you enjoy hands-on work, operating equipment, staying ...

Mastermold LLC

Production Supervisor

Johnson Creek, WI · On-site

MasterMold is growing and we're building the next generation of manufacturing leaders to grow with us. We are actively seeking Production Supervisors to lead critical operations across Press, Paint ...

Mastermold LLC

Quality Technician

Mauston, WI · On-site

$20 - $27/hr

MasterMold is seeking a detail-oriented and motivated Quality Technician to support our manufacturing operations and help ensure our products meet the highest quality standards. This role is critical ...

Mastermold LLC

Robot Tech

Mauston, WI · On-site

MasterMold is looking for a motivated and hands-on Robotic Automation Technician to join our second shift Paint Department team. If you enjoy troubleshooting, working with robotics, improving ...

Mastermold LLC

QUALITY ENGINEER

Mauston, WI · On-site

$60K - $80K/yr

MasterMold is seeking a detail-oriented and motivated First Shift Quality Engineer to support manufacturing operations, improve process performance, and help ensure our products meet company ...

MasterMold LLC

Senior Cost Accountant

Johnson Creek, WI · On-site

$81K - $101K/yr

MasterMold, LLC, located in Johnson Creek, WI, is an established composite molder, painter and assembler of many OEM products across a diverse set of industries. We have a thrilling opportunity for ...

Mastermold LLC

Quality Engineer

Johnson Creek, WI · On-site

$72K - $93K/yr

Quality Engineer - 2nd Shift / OvernightBuild Quality That Actually Matters At MasterMold LLC, quality is not a checkbox. It is how we protect our customers, our processes, and our reputation. We ...

Mastermold LLC

Quality Engineer

Johnson Creek, WI · On-site

$72K - $93K/yr

Quality Engineer - 2nd Shift / OvernightBuild Quality That Actually Matters At MasterMold LLC, quality is not a checkbox. It is how we protect our customers, our processes, and our reputation. We ...

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What is a Mastermold job?

A Mastermold job typically involves overseeing and managing the design, production, and maintenance of industrial molds, often used in manufacturing processes such as injection molding or casting. This role requires expertise in mold fabrication, materials, and precision engineering to ensure high-quality production. Mastermolds are crucial for creating consistent and accurate components for various industries, including automotive, aerospace, and consumer goods. Responsibilities may also include troubleshooting mold defects, improving efficiency, and collaborating with engineers and production teams.

What are the typical daily responsibilities for someone working as a Mastermold?

A typical day for a Mastermold involves overseeing the setup, inspection, and maintenance of molds used in injection molding operations. You will troubleshoot mold performance issues, ensure consistent product quality, and collaborate closely with machine operators, engineers, and quality assurance teams. Mastermolds are also responsible for making adjustments to process parameters, maintaining detailed production records, and supporting continuous improvement initiatives on the production floor. This role requires a mix of technical proficiency and teamwork to keep manufacturing operations running smoothly and efficiently.

What are the key skills and qualifications needed to thrive in the Mastermold position, and why are they important?

To thrive as a Mastermold, you need in-depth expertise in injection molding processes, mold design, and quality control, typically supported by technical training or experience in plastics manufacturing. Familiarity with CAD software, CNC machines, and industry-standard inspection tools is often required, along with certifications such as RJG Master Molder or similar credentials. Exceptional problem-solving skills, attention to detail, and effective communication facilitate success in this hands-on, production-driven role. These capabilities ensure efficient mold operation, high product quality, and strong collaboration within manufacturing teams.

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Mastermold jobs near you
Infographic showing various Mastermold job openings in the United States as of May 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.
Manufacturing Support

Manufacturing Support

MasterMold LLC

Johnson Creek, WI

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 9 days ago

Job description

Company Description

Benefits:
Weekly pay
Direct deposit
Health/Dental/Vision Insurance (Full time) and 401(K)
Paid Holidays and PTO (Full time)
Shift Premiums

Job Description

MasterMold, LLC has openings in Johnson Creek on 3rd shift from 11pm - 7am Sunday night - Friday morning.
The ideal candidate should have general knowledge and experience in a manufacturing setting. MasterMold offers on the job training.
These are detailed orientated positions, candidates with an artistic background are encouraged to apply.
Advancement opportunity!
Shift premiums are available.
se habla espanol!
An example of duties includes, but isn't limited to:
Inspect painted parts to insure compliance according to customer specifications
Identify defects, use skill and knowledge to address defects found
Frequent lifting and bending
Operate secondary equipment (Use of air tools and other hand tools)
Loading parts/fixtures onto paint line
Following work instructions
Any and all other duties as assigned
Run a press and operate secondary equipment
Fabrication 
Assembly
Inspection                                
MasterMold, LLC is an Equal Opportunity Employer.
MasterMold, LLC is a Drug Free Work Workplace. Equal Opportunity/Affirmative Action Employer

Qualifications

Job Requirements:
Ability to frequently lift up to 30 lbs
Ability to work safely and efficiently in a manufacturing setting
Must be at least 18 years of age
Must be willing to submit to a pre-employment drug screening

Additional Information

All your information will be kept confidential according to EEO guidelines.

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