Senior Battery Engineer: Cell Development & Pilot-Scale

Mapt; Boston (MA); On-site; USD 120,000 - 180,000; Full time

Job summary

Mapt in Boston seeks a Battery Engineer or Senior Battery Engineer to lead cell-level development of next-generation electrolytes and formats, focusing on cylindrical cells.

You will collaborate with electrolyte and manufacturing teams to translate lab results to pilot-scale cells, perform postmortem failure analysis and electrochemical characterization, and deliver technical reports to guide project decisions while championing safe lab operations.

Qualifications

• Bachelors degree in engineering, materials science, chemistry, or a related field.
• Experience in lithium-ion cell development and formation protocols.
• Hands-on pilot-scale manufacturing experience.
• Familiarity with cylindrical/prismatic cell formats.
• Strong laboratory skills and commitment to safe lab operations.

Responsibilities

• Evaluate cell designs and electrolyte optimization for high-voltage lithium-ion chemistries from pouch format into cylindrical and prismatic cell formats.
• Develop and refine cell formation protocols to improve performance and manufacturing yield.
• Conduct postmortem failure analysis and electrochemical characterization to diagnose degradation mechanisms and drive corrective action.
• Drive cell development and process optimization in pilot-scale manufacturing, including assembly, testing, and troubleshooting of cylindrical and prismatic cells.
• Perform data analysis of cell life and electrolyte performance under diverse testing conditions across multiple cell chemistries and formats.
• Deliver technical reports to multidisciplinary R&D teams, summarizing test results, data analysis, and recommendations to guide project decisions.
• Champion safe lab operations, ensuring adherence to safety protocols across all laboratory and pilot-scale testing activities.

Skills

Li-ion dev

Formation protocols

Postmortem analysis

Electrochemical testing

Pilot-scale manufacturing

Cylindrical cells

Prismatic cells

Lab safety

Education

Bachelor's in engineering/related

Tools

Neware battery cyclers

Arbin battery cyclers

Job description

Mapt in Boston seeks a Battery Engineer or Senior Battery Engineer to lead cell-level development of next-generation electrolytes and formats, focusing on cylindrical cells.

You will collaborate with electrolyte and manufacturing teams to translate lab results to pilot-scale cells, perform postmortem failure analysis and electrochemical characterization, and deliver technical reports to guide project decisions while championing safe lab operations.