Tooling Engineer: Molds, Hot Runner & CAD Lead

Flex

Libertyville (IL)

On-site

USD 90,000 - 150,000

Full time

10 hours ago

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Job summary

Flex in Libertyville, IL is seeking a Tooling Engineer to design and engineer tooling for molds, jigs and fixtures that meet product specifications.

The role provides leadership in design for manufacturability, tooling validation, and collaboration with toolmakers and suppliers to optimize durability, cycle time and quality. A strong background in injection molding and multi-cavity tooling is essential.

Qualifications

8+ years in thermoplastics and injection molding tool design.
Experience with multi-cavity molds, hot runner and valve gate systems.
Ability to read complex CAD models and tooling assemblies.
Experience with external toolmakers and global suppliers.

Responsibilities

Lead design and engineering of complex injection molds to meet product and process requirements.
Review and approve mold designs for multi-cavity tools including hot runner and valve gate systems.
Own Design for Manufacturability (DFM) and Design for Tooling reviews with internal teams and toolmakers.
Evaluate and approve mold flow analysis results and recommend design changes based on simulation and processing needs.
Define tooling specifications including steel selection, cooling strategy, gating, venting, ejection, and wear components.
Support mold trials, sampling and validation activities; analyze results and drive corrective actions.