Job Title: Sr. Battery Propagation Resistance Test EngineerJob Description

We are seeking an experienced Sr. Battery Propagation Resistance Test Engineer to lead and manage propagation resistance efforts in collaboration with design, test, and manufacturing teams. This role will involve developing and executing test plans for battery cell and pack designs, focusing on safety and abuse specifications, and enhancing our understanding of failure modes.

ResponsibilitiesLead propagation resistance efforts on assigned programs in close collaboration with the cell and pack design, test, and manufacturing teams.Partner with internal teams to develop cell and pack designs that meet safety and abuse specifications.Define and communicate test plans, resource requirements, and timelines for each program phase based on risk and schedule.Present results and design recommendations to cross-functional stakeholders and executives.Develop tests tailored to pack architectures (geometric, thermal, electrical) to study failure mode frequency, severity, and mechanisms.Recommend new methods to deepen our understanding of failure modes.Investigate failure modes and propose strategies to enhance organizational knowledge.Collaborate with technicians and test systems engineers to optimize tests and identify opportunities for improved design, throughput, data fidelity, and integrity.Enhance statistical frameworks, results databases, and visualization tools for more robust decision-making.Design test setups and instrumentation to improve model validation, accuracy, and utility.Essential SkillsStrong foundation in electrical and thermal engineering.Experience in large-scale unit testing (such as cars, planes, cells, ovens, battery packs).Proficiency in Python or MATLAB.Bachelor’s Degree in Mechanical, Electrical, or Chemical Engineering, or equivalent experience.2+ years’ experience in physically applied-engineering (lab, machine shop, hobby project, etc.).Strong problem-solving ability using first principles, with a foundation in heat transfer and electrical engineering fundamentals.Additional Skills & QualificationsHands-on experience with fabrication, modification, instrumentation, troubleshooting, and inspection.Proficiency with instrumentation and data acquisition systems.Strong collaboration and leadership skills; comfortable guiding cross-functional teams and technicians.Ability to plan and execute multiple concurrent activities in a fast-paced, rapidly evolving environment.Experience with CAD for fixture or test design.Knowledge of SQL or database management.Work Environment

The work environment is dynamic, fast-paced, and requires the ability to manage multiple concurrent activities. You will collaborate with a team of skilled technicians and engineers, using advanced technologies and equipment to conduct tests and analyze data. The position involves hands-on work with large-scale units, including cars, planes, cells, ovens, and battery packs. The successful candidate will thrive in a setting that encourages innovation and collaboration.

Job Type & Location

This is a Contract to Hire position based out of Palo Alto, CA.

Pay and Benefits

The pay range for this position is $50.00 - $75.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Palo Alto,CA.

Application Deadline

This position is anticipated to close on Feb 13, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.