Senior Tooling Engineer - Scale Injection Mold Capabilities

EOS; East Pittsburgh (Allegheny County); On-site; USD 110,000 - 150,000; Full time

Job summary

EOS Energy Enterprises is seeking a Sr. Tooling Engineer to optimize injection mold tooling and processes within its plastics supply chain. You will lead tooling design efforts alongside an advanced manufacturing team to support capacity expansion and strategic growth.

The role requires 10+ years in tooling design, a mechanical/plastics engineering background, and strong knowledge of molding processes, DFMs, DFAs, and GD&T. Collaboration with suppliers and internal teams is essential.

Qualifications

• Bachelor’s degree in mechanical engineering, materials engineering or plastics engineering.
• 10+ years of injection mold tooling design and manufacturing experience.
• Proficient in tool design with 3D modeling; SolidWorks preferred.
• Strong knowledge of plastics molding processes, post-molding operations, and mold flow simulations.
• Knowledge of SPC, DOE, DFM, DFA, and GD&T principles.
• Effective communication and interpersonal skills for collaboration with internal teams and external vendors.

Responsibilities

• Perform advanced DFMs, evaluate part feasibility and provide solutions meeting Engineering and Manufacturing requirements.
• Provide technical solutions and lead engineering subcontractors in tooling process design, layout, and construction.
• Design and model all aspects of injection molds: mold layout, parting lines, actions, mechanisms.
• Support validation and PPAP for new and updated tooling with supplier quality team.
• Use data-based methods to optimize molding processes to meet quality and production targets.
• Collaborate with Quality to resolve RCCAs in manufacturing of injection molded components.
• Audit tooling and processes with supplier quality and recommend repairs or improvements.
• Work with product designers to improve manufacturability of plastic parts using tooling expertise.

Skills

3D modeling

Strong communication

Tooling design thinking

Education

10+ years tooling design experience

Bachelor’s degree in Mechanical/Materials/Plastics Engineering

Tools

SolidWorks

Job description

EOS Energy Enterprises is seeking a Sr. Tooling Engineer to optimize injection mold tooling and processes within its plastics supply chain. You will lead tooling design efforts alongside an advanced manufacturing team to support capacity expansion and strategic growth.

The role requires 10+ years in tooling design, a mechanical/plastics engineering background, and strong knowledge of molding processes, DFMs, DFAs, and GD&T. Collaboration with suppliers and internal teams is essential.