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Powertrain Reverse Engineer

ALTEN Technology USA
CompanyALTEN Technology USA
CategoryEngineering
LocationFoster City
RemoteOn-site (inferred)
EmploymentNot stated
LevelNot stated
SalaryNot stated by the employer
Posted29 Jun 2026
Last verified30 Jul 2026
SourceEmployer career page (greenhouse)
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Description
We’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more. As part of the global ALTEN Group—57,000+ engineers in 30 countries—we deliver across the entire product development cycle, from consulting to full project outsourcing. When you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow.   Powertrain Reverse Engineer   Project Summary We operate an autonomous-driving fleet built on the Toyota Highlander hybrid platform. The added compute load draws significantly more power than the stock hybrid system was designed to supply, causing the high-voltage battery to deplete and trigger faults that take vehicles out of service. The vehicle CAN bus has already been decoded for driving functions, but the hybrid control system — charging logic, battery state of charge, and thermal management — remains undecoded. We are looking for someone to reverse-engineer these hybrid/powertrain signals and deliver an updated DBC file so we can monitor and ultimately resolve the battery-depletion issue.   Key Responsibilities & Deliverables Capture and analyze CAN traffic on-vehicle (with driver/technician support) Reverse-engineer undecoded hybrid battery, charging, thermal, and powertrain diagnostic signals Produce a validated, updated  DBC file  and submit it as a pull request to our repo Re-run captured data against the new DBC to validate signal accuracy Document decoded signals and methodology   Must-Have Skills Hands-on  automotive CAN bus reverse engineering  experience DBC file  authoring/editing Proficiency with  Vector CANalyzer/CANoe  (or equivalent) for trace capture and analysis Working knowledge of  hybrid/EV powertrain and battery management systems (BMS) Comfortable reading raw CAN traces and isolating/decoding unknown signals Version control / Git pull-request workflow   Preferred / Nice-to-Have Direct experience with  Toyota hybrid systems (THS)  and Toyota diagnostics (Techstream/TIS) Python (or similar) for CAN data analysis Familiarity with AI-assisted coding tools (e.g., Cursor/Claude) — we use these to accelerate decoding Prior work decoding OEM "black box" control modules   Tools & Resources Provided TIS laptop, CANalyzer, Cursor, Claude, GitHub access, scheduled vehicle time, plus VO driver, technician (TIS access), and supporting/firmware engineers. Salary Range: $120,000-$135,000/K The actual salary offered is dependent on various factors including, but not limited to, location, the candidate’s combination of job-related knowledge, qualifications, skills, education, training, and experience   All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, genetic information, or pregnancy. Please beware of job seeker scams and see this important notice on our careers page for more information about our recruiting process. Compliance Notice: Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider
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Powertrain Reverse Engineer — ALTEN Technology USA · Job Opportunities API