Senior R&D Engineer: Electrodes & Cells for Lithium Tech

Lithios; Medford Hillside (MA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Equity in the company

Medical, dental, and vision insurance

401(k) plan with employer matching

Paid time off

Parental leave

Moving expenses support

Career development opportunities

Job summary

Lithios, in Medford, MA, seeks a research scientist to advance electrode structures and cell architectures through hands-on experiments with R&D, engineering, and manufacturing teams.

You will translate lab-scale learnings into system-level designs, optimize performance metrics, and mentor junior staff in a dynamic startup setting. The role offers equity and comprehensive benefits as part of a fast-growing lithium industry company.

Qualifications

• Bachelor’s/Master’s/PhD in materials science, chemical engineering, chemistry or mechanical engineering.
• 5+ years in electrochemical systems incl. lithium-ion batteries, flow batteries, or related.
• Experience with electrochemical characterization (CV, EIS) and materials analysis (SEM/XRD/XPS).
• Proven ability to design experiments and translate results into engineering improvements.
• Ability to work hands-on with systems and iterate quickly in a startup setting.

Responsibilities

• Design and execute experiments to quantify electrode and cell performance.
• Correlate material and fluid properties with electrochemical performance, guiding design decisions.
• Develop and optimize electrode structures, compositions, and fabrication methods.
• Establish metrics, design structured experiments, and iterate to improve lithium extraction rates.
• Translate lab results into practical cell designs and manufacturing processes.
• Communicate technical challenges across the organization to advance product development.
• Mentor and lead junior engineers and technicians.

Skills

Electrochemical systems

Experiment design

Data analysis

Lab leadership

Problem-solving

Education

Materials Science / Engineering degree

Chemical/Mechanical Engineering degree

Tools

Potentiometry

Cyclic voltammetry

EIS

SEM

XRD

XPS

Porosimetry

Job description

Lithios, in Medford, MA, seeks a research scientist to advance electrode structures and cell architectures through hands-on experiments with R&D, engineering, and manufacturing teams.

You will translate lab-scale learnings into system-level designs, optimize performance metrics, and mentor junior staff in a dynamic startup setting. The role offers equity and comprehensive benefits as part of a fast-growing lithium industry company.