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About the Role As a Battery Test Engineer, you'll bring a proactive, get-it-done attitude to join a team qualifying next-generation BMS algorithms and architectures. You will be instrumental in turning algorithm designs into validated, production-ready battery systems that deliver exceptional user experience for portable consumer products. This position contributes to the development and qualification of advanced lithium-ion battery technology for portable power consumer applications. You will work with the Battery Software Qualification team to develop battery firmware, algorithm and BMS qualification protocols to ensure high-level user experience. You will collaborate with algorithm engineers and other test engineers in the team to improve the quality, productivity and efficiency of these consumer products.
Responsibilities: - Execute test plans: Run electrical and battery cycler test plans provided by algorithm engineers and deliver high-quality data on schedule.
- Analyze and investigate: Support algorithm engineers by analyzing test data and investigating abnormal observations.
- Troubleshoot and maintain: Diagnose equipment and sample issues; maintain and repair test equipment as needed.
- Automate validation: Co-develop automated validation processes and test automation with other test engineers.
- Collaborate across teams: Work closely with algorithm engineers and test peers to improve product quality, productivity, and efficiency.
About You The essentials: - Degree: M.Sc. in Electrical Engineering or Computer Science, or B.Sc. with relevant industrial experience.
- Programming: Strong programming skills, preferably in Python, for test automation.
- Test equipment experience: Hands-on experience with battery testers, source meters, multimeters, and similar tools.
- Debugging: Excellent debugging skills for tackling challenging electrical and system problems.
- Circuit work: Practical experience working on electrical circuits.
Not a must, but a plus: - Battery knowledge: Familiarity with Li-ion battery chemistry and behaviour.
- BMS experience: Experience in BMS algorithm, firmware, software development, or validation.
- Communication: Strong communication skills for cross-functional collaboration.
- Team fit: Comfortable working in a collaborative, dynamic environment.
- Attention to detail: Proven track record on tasks requiring high accuracy and attention to detail.
At.Monks, we believe in fostering an environment where a diversity of perspectives can thrive. We proactively work to design hiring processes that promote equity and inclusion while mitigating bias. We celebrate diversity and are committed to building a team that reflects the communities we serve. We welcome and encourage qualified applicants, from all backgrounds, who are excited to contribute to our mission.
What We Offer .Monks has provided a compensation range that represents its good faith estimate of what Media.Monks may pay for the position at the time of posting. .Monks may ultimately pay more or less than the posted compensation range. The salary offered to the selected candidate will be determined based on job-related factors, but not based on a candidate's sex or any other protected status.
Cupertino, CA $130,000 - $150,000 USD
What We Offer Benefits - Excellent, full coverage medical, dental, and vision insurance
- Generous PTO and 15 company-wide holidays
- 401k with company contribution
- Paid parental leave
- Work-life balance with an emphasis on personal well-being
- Career growth in a disruptor space & entrepreneurial opportunities within the Monks network
- A globally diverse & inclusive culture with employee resource groups such as S4 Melanin, Pride.Monks, Cultura.Monks, and more!
- Authentic commitment to DEI efforts and sustainable growth. (Why Sir Martin Sorrell signed The Climate Pledge here!)
This role is subject to our Return to Office (RTO) policy. If you reside within a commutable distance of one of our office locations, you will be expected to work from the office a set number of days per week. The specific details, including the number of required office days, will be in accordance with the company's then-current RTO policy, which is subject to change from time to time.
Monks has provided a compensation range that represents its good faith estimate of what Monks may pay for the position at the time of posting. Monks may ultimately pay more or less than the posted compensation range. The salary offered to the selected candidate will be determined based on job-related factors, but not based on a candidate's sex or any other protected status.
Salary Range:
$130,000-$155,000 USD
About Monks Monks is the global, digital-first, data-driven, unitary operating brand of S4 Capital plc. With a legacy of innovation and specialized expertise, Monks combines an extraordinary range of global Marketing and Technology Services to redefine how brands interact with the world. Through Monks.Flow, its flagship AI ecosystem for marketing orchestration, Monks transforms marketing into a growth engine, collapsing timelines and connecting brands to culture in real time. By deploying bespoke intelligent agents across disciplines and delivering culturally relevant, high-impact creative and digital solutions, Monks solves key critical business challenges across the entire brand enterprise to help brands sustain long-term impact.
Monks was named a Contender in The Forrester Wave : Global Marketing Services, ranks among Cannes Lions' Top 10 Creative Companies (2022-25) and remains the only partner featured in AdExchanger's Programmatic Power Players list every year (2020-24). Named Adweek's first AI Agency of the Year (2023) and The One Show's inaugural AI Pioneer Organization, Monks was also awarded Business Intelligence Group's 2025 Excellence in Artificial Intelligence Award in both the Organizational and AI Product categories. As a trusted partner to cutting-edge innovators in tech, Monks earned titles such as Optimizely Experimentation Partner of the Year (2025), runner-up for the Adobe Firefly Partner Award (2024), and Workato's AI Visionary Customer Impact Award (2024). Additionally, Monks achieved a record-breaking number of FWAs and continues to hold the most of any partner.
We are an equal-opportunity employer committed to building a respectful and empowering work environment for all people to freely express themselves amongst colleagues who embrace diversity in all respects. Including fresh voices and unique points of view in all aspects of our business not only creates an environment where we can all grow and thrive but also increases our potential to produce work that better represents-and resonates with-the world around us.
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