Journeyman Toolmaker

Date: Nov 12, 2026

Location: Mukwonago, WI, US, 53149

Company: Aptar Group

WHO ARE WE?

 

At Aptar, we use insights, design, engineering and science to create innovative packaging technologies that build brand value for our customers, and, in turn, make a meaningful difference in the lives, looks, health and homes of people around the world.

Every day, Aptar creates “a-ha moments” for its customers and their consumers and patients by continually bringing innovations to market that convert non-dispensing packaging into breakthrough product-dispensing systems, including those that give people more effective ways to put on their favorite fragrance, kids the opportunity to pour ketchup without making a mess and patients connected technologies that help them more easily adhere to treatment.

 

YOU SHOULD WORK HERE BECAUSE WE

 

  • Attract and develop high performing people.
  • Promote a diverse and inclusive work environment.
  • Allow for failure by allowing people to make mistakes through an open and trusting environment.
  •  Invest in the development of employees through local, regional and global career opportunities.
  • Contribute to the communities where we reside.

 

JOB DUTIES

 

  • Under minimal supervision, plan, lay out and perform all bench, machine and finishing operations required to alter and condition intricately designed and constructed plastic injection molding dies and related fixtures
  • Work from special instructions to either maintain or alter molds to achieve improvements to the original design
  • Monitor mold performance and inspect own work or work performed by other tool workers
  • Operate all Tool Room machines
  • Perform difficult machine set-ups and operations that require improvising of tools and machines for adaption beyond the normal range and capacities of available equipment
  • Instruct Toolmakers, Machinists and Technicians in the performance of their duties, including training new employees
  • Operate forklift truck and overhead crane
  • Read blue prints
  • Troubleshoot and repair hot runner systems

 

 QUALIFICATIONS

 

  • High school diploma or equivalent
  • State indentured apprenticeship or equivalent knowledge of tooling trade, plastic molding techniques and material characteristics
  • 5+ years related work experience
  • Proven hot runner expertise with multiple types of systems
  • Highly experienced at electrical troubleshooting
  • Proven experience with high cavitation molding
  • Bi-injection / Stack tooling experience required
  • Fork truck training (provided by Aptar-Mukwonago)
  • Perform welding operations
  • Machine troubleshooting/maintenance/repair

 

 Non-Mandatory Job Qualifications

 

  • Knowledge of soldering & brazing
  • Knowledge of welding
  • Knowledge of NC programming & machines
  • CAD experience
  • Good organizational skills
  • Computer skills

 

Be You. Be Aptar.

 

Aptar is an equal opportunities employer. We believe that a diverse workforce is key to our success. We welcome applications from all members of society irrespective of age, sex, disability, sexual orientation, race, religion or belief.

 


Nearest Major Market: Waukesha
Nearest Secondary Market: Milwaukee