Battery E/E System & Hardware Senior Engineer

Mercedes-Benz Group China Ltd.

Beijing, China (Hybrid)

Job Type Full-time

Experience Senior

Posted 2 days ago

Hybrid Senior Level

Job details

Job category: Research and Development incl. Design

Department: Battery E/E

Organization: Mercedes-Benz Group China Ltd.

Location: Mercedes-Benz Group China Ltd., Beijing

Start date: 01.12.2026

Publication date: 06.11.2026

Job number: MER00049DH

Working time: Full time

Tasks

Define specifications for next-generation high-voltage battery E/E systems and components, including BMS, BDU, and E/E connections; clarify requirements, develop technologies and localization solutions, and conduct battery- and vehicle-level E/E and functional validation.
Work on functions including voltage, temperature and current sensing, thermal runaway detection, pre-charging, insulation monitoring, system-level EMC validation, LVPN and HVPN.
Manage post-SOP events for high-voltage battery E/E systems and components, including root-cause analysis, countermeasure definition, validation, release and implementation.
Lead E/E defect management by maintaining defect overviews, leading root-cause analysis, aligning repair timelines and reporting regularly to management. Use established failure-analysis methods such as 8D and fishbone analysis.
Coordinate dependencies between key stakeholders, such as powertrain and vehicle lines, and deliver measurable results aligned with project milestones.
Lead internal and external project teams globally in the specification-based development and localization of high-voltage battery E/E systems, with strong reporting and presentation capabilities.
Act as the key coordinator for high-voltage battery E/E technical topics.
Manage timelines, stakeholders, lessons learned, risks, budgets and costs for assigned projects.
Build broad cooperation with relevant departments in Germany and the Mercedes-Benz China R&D organization.
Track future high-voltage battery technology developments, especially in E/E and algorithms, and benchmark competitors' high-voltage battery E/E systems.

Qualifications

Bachelor's degree or higher in electrical engineering, automotive engineering or a related field.
More than five years of experience in high-voltage battery E/E system and hardware development, localization and lifecycle management at an OEM or supplier.
Strong global project experience is preferred.
Deep knowledge and practical development experience in automotive high-voltage battery E/E systems.
BMS development experience is preferred.
Extensive experience and capability in concept design and failure analysis.
Knowledge of standard development processes in the automotive industry.
Experience testing E/E components, powertrains and complete vehicles, including contactors, pyrofuses, current-sensor modules and insulation-monitoring devices; familiarity with E/E validation standards such as EMC, LVPN and HVPN.
Experience with Vector or ETAS CAN tools, modern project-management tools such as Confluence, and failure-management tools such as Jira is preferred.
High-voltage electrical specialist certification or equivalent qualification is preferred.
Clear and effective communication skills, collaborative problem-solving ability, and strong written and verbal communication across organizational levels.
Ability to work in multicultural teams, enthusiasm for the work, resilience and the ability to handle challenges.
Proficiency with MS Office.
Fluent written and spoken English; German is an advantage.
Practical driving experience is preferred.