Mechanical Engineer II: Advanced Battery System Prototyping

formenergy; Somerville (MA); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Stock options

Paid parental leave

Healthcare benefits

Relocation assistance

Job summary

Form Energy in Somerville, MA is seeking a Mechanical Engineer II to support the design, build and test hardware for our next generation iron-air batteries. You will join the Advanced Product Development team, working across heat transfer, fluid dynamics, and mechanics to enable scalable manufacturing.

You will contribute to design verification, data-driven decisions, and volume manufacturing readiness, collaborating with a broad cross-functional team on ambitious timelines.

Qualifications

• Degree in Mechanical Engineering or related field.
• Bachelor's with 1+ years in mechanical design, or Master's with research or professional engineering experience.
• Experience using CAD to design parts and assemblies.
• Exposure to writing, executing and analysing test plans to make data-driven decisions.
• Experience with prototyping techniques and working in a lab environment.
• Strong heat transfer, fluid dynamics and mechanics fundamentals.

Responsibilities

• Lead hands-on prototyping and verification testing of subsystem designs.
• Drive instrumentation, data collection and data analysis for system-level validation builds.
• Own design of components and assemblies for volume manufacturing.
• Run and analyze trials to inform specs and future design direction.
• Execute ambitious product development processes on tight timelines.

Skills

Mechanical design

CAD

Test plans

Prototyping

Heat transfer

Fluid dynamics

Data analysis

Education

Bachelor's degree in Mechanical Engineering

Master's degree or relevant experience

Tools

CAD

Job description

Form Energy in Somerville, MA is seeking a Mechanical Engineer II to support the design, build and test hardware for our next generation iron-air batteries. You will join the Advanced Product Development team, working across heat transfer, fluid dynamics, and mechanics to enable scalable manufacturing.

You will contribute to design verification, data-driven decisions, and volume manufacturing readiness, collaborating with a broad cross-functional team on ambitious timelines.