Principal Tooling Engineer

Buffalo Grove, IL 60089

Employment Type: Permanent Job Category: Manufacturing / Process Engineering Job Number: 54309905 Compensation: $120000-164000 / year

Job Description

Principal Tooling Engineer – Injection Molding
Location: Libertyville, IL (Relocation assistance packages offered for qualified candidates) 
Travel: International travel to Denmark (1–2 weeks at a time during the first year; significantly reduced thereafter)
Target Pay: $145,000-$175,000/year + 10% annual bonus 

Overview
We are seeking an experienced Principal Tooling Engineer to support the development of state-of-the-art injection molding tooling for a high-visibility medical manufacturing program, including production of a leading weight-loss therapy. This role partners closely with global customers and internal engineering teams to design, validate, and launch advanced tooling while helping establish U.S.-based manufacturing capability.
This is a highly collaborative, hands-on position ideal for a senior tooling professional who enjoys working across design, process development, and shop-floor execution.

Key Responsibilities
  • Design and engineer complex tooling solutions for molds, jigs, and fixtures to meet product and regulatory specifications.
  • Participate in design reviews and perform Design for Manufacturability (DFM) evaluations.
  • Lead validation of molding tools and troubleshoot tooling or process-related issues.
  • Implement cost-effective tooling improvements and engineering changes.
  • Collaborate with cross-functional teams on tool qualification, sampling, and final part approval.
  • Develop and maintain tooling documentation, work instructions, and process standards.
  • Provide technical coaching and guidance to tooling technicians and internal engineering staff.
  • Deliver status updates aligned with project timelines and customer expectations.
  • Support early-phase international collaboration, including travel to Denmark during initial program launch.
Required Qualifications
  • Bachelor’s degree in Engineering or a related technical field.
  • 15+ years of experience in injection molding tooling design, validation, and troubleshooting.
  • Deep expertise in thermoplastics and/or thermosets, mold flow, and molding process optimization.
  • Strong background in Design for Manufacturability and tooling qualification.
  • Hands-on experience working in manufacturing or tool room environments.
  • Proven ability to collaborate across engineering, production, and customer teams.
Preferred Qualifications
  • Medical device or regulated manufacturing experience.
  • Experience supporting global manufacturing transfers or new product launches.
  • Familiarity with inspection, measurement tools, and electronic/mechanical test equipment.
Why Join
  • Opportunity to contribute to a high-impact medical manufacturing program.
  • Visibility with global customers and leadership teams.
  • Key role in bringing advanced production capability to the United States.
  • Collaborative environment where senior technical expertise drives real outcomes.

Meet Your Recruiter

Max Francis
Technical Recruiter

Max Francis is a seasoned Engineering Recruiter specializing in the Automation Division at Sterling. With five years of invaluable experience in recruitment, Max is on a mission to help individuals find their perfect career move—one that aligns with their professional goals and supports their families.

As an Engineering Recruiter, Max excels in the Automation Division, leveraging his deep industry knowledge to connect candidates with opportunities tailor-made for their unique skill sets and aspirations. He understands that finding the right career move is a pivotal moment in people's lives, and he thrives on being a part of that journey.

What Max finds most exciting and rewarding about his work is the opportunity to guide individuals to their ideal career fit. He recognizes that this transition is an exhilarating time for most people, and he derives immense satisfaction from helping them navigate the path toward their next professional adventure.

Max's advice to job seekers is grounded in the value of connections. He believes that having a well-connected recruiter within the industry you aspire to be in can open doors to companies and positions that may not be readily available on job boards. In today's competitive job market, he encourages candidates to connect with a recruiter early in their job search journey. While he advocates for candidates to continue their independent job searches, he emphasizes the benefit of having an additional set of experienced eyes on the market.

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About Buffalo Grove, IL

Looking to kickstart your career in the vibrant area surrounding Buffalo Grove, Illinois? Explore our job opportunities in this thriving community where endless growth opportunities await. Nestled in the heart of Lake County, this charming suburb offers a perfect blend of urban amenities and picturesque natural beauty. With renowned art galleries like the Buffalo Creek Art Center, dynamic theaters such as the Metropolis Performing Arts Centre, and easy access to professional sports teams like the Chicago Bears, there's something for everyone here. Indulge in local delicacies like deep dish pizza and Chicago-style hot dogs, then unwind at the beautiful Buffalo Creek Forest Preserve. Join us in Buffalo Grove, IL, and let your career flourish in this captivating location!