Eos Energy Enterprises, Inc. · 8 hours ago
Engineer Sr, Tooling
PA-East Pittsburgh
Full-time
Onsite
Senior Level, Lead/Staff
10+ years expEos Energy Enterprises, Inc. is accelerating the shift to American energy independence with innovative solutions for energy storage. The Sr. Tooling Engineer will drive optimized tooling design in the injection molded plastics supply chain, working closely with various teams to support manufacturing capacity expansion and strategic growth.
CleanTechEnergyEnergy Storage
Responsibilities
Perform advanced DFMs, evaluate part feasibility and proactively provide solutions to meet both Engineering and Manufacturing requirements
Providing technical solutions and leading engineering sub-contractors in process design, layout, and construction of new plastics tooling
Designing and modelling all aspects of injection molds: Mold layout, parting lines, actions, and mechanism
Support validation and PPAP for new and updated tooling with the supplier quality team
Using a data-based approach to optimize molding processes to reach quality and production requirements
Work with the Quality Department to resolve RCCA’s in manufacturing regarding injection molded components
Work with supplier quality to audit injection molders’ tooling and processes and make recommendations for repairs or improvements to support production requirements and part quality performance
Collaborate with product designers to improve the manufacturing feasibility of plastic parts using extensive tooling experience as well as industry best practices
Provide guidance in the selection of machinery and equipment to improve the performance and consistency of our injection molded part suppliers
Qualification
Required
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 (filling and cooling analyses)
Strong knowledge of SPC, DOE, Design for Manufacturing (DFM), Design for Assembly (DFA), and GD&T principles
Effective communication and interpersonal skills for collaboration with internal teams and external vendors
Company
Eos Energy Enterprises, Inc.
Since our founding in 2008, Eos Energy Enterprises has been on a mission to accelerate the shift to American energy independence with positively ingenious solutions that transform how the world stores power.
501-1000 employees
H1B Sponsorship
Eos Energy Enterprises, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (2)
2023 (2)
2022 (2)
2021 (4)
2020 (2)
Funding
Current Stage
Public CompanyTotal Funding
$2.89BKey Investors
Government of PennsylvaniaDOE Loan Programs OfficeCerberus Capital Management
2025-11-20Post Ipo Equity· $458.2M
2025-11-20Post Ipo Debt· $580.5M
2025-11-18Post Ipo Equity· $76.9M
Leadership Team
Joe Mastrangelo
Chief Executive Officer
Francis Richey
CTO
Recent News
TradingView
2026-01-24
2026-01-24
2026-01-21
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