Validate battery pack electrical and thermal performance for the Auxiliary Power System. Develop automated test software using LabVIEW or CANalyzer, create validation procedures and test cases, specify instrumentation and data acquisition methods, analyze results, support BMS development, document findings, troubleshoot test setups, and build safe, organized laboratory test stations.
About Harbinger
Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids. Harbinger: Familiar Form, Revolutionary Foundation.
Job Overview
The Harbinger battery team is looking to add a battery test engineer to characterize battery pack electrical and thermal performance. This key team member will take ownership of the validation of the Auxiliary Power System (APS) product. They will work closely with design engineers, quality engineers, and manufacturing engineers to ensure design changes are thoroughly tested before being released to production. The test engineer will be responsible for writing procedures, developing test software, purchasing test equipment, and building test stations capable of defining the limits of our battery pack.
Responsibilities:
- Work closely with other battery test engineers, design engineers, BMS engineers, and system engineers to characterize and validate battery and system behavior.
- Develop test software for executing and automating test cases using LabVIEW and/or CANalyzer.
- Participate in the development of BMS software to ensure performance targets are met. Provide data to defend or refute change proposals.
- Specify requirements for Design Validation Plan (DVP) test procedures, including instrumentation, data acquisition, and post processing methods.
- Author test cases to confirm performance with respect to defined requirements.
- Document test results well and support issue resolution.
- Prioritize safety and organization in the lab.
Qualifications:
- Bachelor’s/Master’s degree in Engineering.
- Previous hands-on experience in a lab is required. The candidate should be comfortable working around high-voltage and using hand tools, fabricating wiring projects, and debugging test setups.
- Hands-on experience with instrumentation, including thermocouples, pressure transducers, shunts, and oscilloscopes. Ability to use these sensors to obtain the required data based on component design requirement.
- Working knowledge of batteries, both AC and DC fundamentals, and power conversion.
- Experience with coding languages and applications for data analysis, such as Python or Matlab.
- Good technical writing skills for documenting test reports.
Key Benefits & Perks:
- Comprehensive Health, Dental & Vision (HDV) – 100% employee covered
- Early-stage Stock Options
- Robust Retirement Savings (401k, HSA, FSA)
- Generous Paid Time Off (PTO) & Parental Leave
- Annual Vacation Bonus
- Wellness & Fertility Benefits
- Cell Phone Stipend
- Complimentary Meals & Stocked Kitchens
California Pay Range
$120,000—$140,000 USD
Equal Opportunity
Harbinger is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law.
Harbinger is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at [email protected].
Candidate Data Privacy
Harbinger may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Harbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law.
Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger’s service providers, including providers of background checks, staffing services, and cloud services.
Harbinger may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, the United Kingdom, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions.
Please note that we are currently not accepting applications from third party application services. Any unsolicited resumes or candidate profiles submitted in response to our job posting shall be considered the property of Harbinger and are not subject to payment of referral or placement fees if any such candidate is later hired by Harbinger unless you have a signed written agreement in place with us which covers the applicable job posting.
Similar Jobs
Aerospace • Hardware • Robotics • Software • Manufacturing
Lead the development of Relativity Space’s high-voltage avionics battery testing capability. Define test strategies, build laboratory infrastructure, establish safety procedures, and hire and develop a test engineering team. Oversee pack- and cell-level performance, durability, abuse, destructive, and failure-analysis programs, including battery bring-up, instrumentation, fixtures, data systems, and high-energy test operations.
Top Skills:
Battery Bring-Up SystemsBattery CyclersBattery Test EquipmentData Acquisition (Daq) SystemsEnvironmental ChambersHigh-Voltage Battery SystemsInstrumentation HardwareSensor InstrumentationTest Fixtures
Aerospace • Automotive • Transportation
Leads system-level integration testing of aircraft battery and energy storage systems, including battery packs, BMS, power distribution, conversion, thermal management, and aircraft interfaces. Develops test plans, procedures, instrumentation, and lab configurations; executes mission-profile, fault-injection, environmental, reliability, and communication testing. Analyzes electrical, thermal, and telemetry data, investigates anomalies, supports FAA qualification and certification, coordinates test reviews, and advances test automation while maintaining high-voltage safety.
Top Skills:
Battery Management Systems (Bms)Battery Thermal ManagementCanData AcquisitionDo-160Do-311AHardware-In-The-Loop (Hil)High-Voltage SystemsLabviewMatlabMil-810Power DistributionPower ElectronicsPythonSae
Professional Services • Social Impact
Owns planning and execution of lithium-ion cell and aircraft battery pack testing, including performance characterization, thermal runaway, abuse, environmental, and durability testing. Designs fixtures, instrumentation, hazard controls, and data-acquisition systems; analyzes test results; supports model correlation and battery design improvements; manages external laboratories; and maintains safe, traceable, calibrated test operations.
Top Skills:
ArbinBattery CyclersBiologicChromaData-Acquisition SystemsDewesoftEnvironmental ChambersHigh-Speed VideoLabviewLithium-Ion BatteriesMatlabNi HardwarePythonThermal ImagingUn 38.3
What you need to know about the San Francisco Tech Scene
San Francisco and the surrounding Bay Area attracts more startup funding than any other region in the world. Home to Stanford University and UC Berkeley, leading VC firms and several of the world’s most valuable companies, the Bay Area is the place to go for anyone looking to make it big in the tech industry. That said, San Francisco has a lot to offer beyond technology thanks to a thriving art and music scene, excellent food and a short drive to several of the country’s most beautiful recreational areas.
Key Facts About San Francisco Tech
- Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Google, Apple, Salesforce, Meta
- Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
- Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
- Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine
