BMS Product Technical Lead

TMC Mexico; México; On-site; MXN 1,800,000 - 2,800,000; Full time

Job summary

TMC Mexico is seeking an experienced BMS Product Technical Lead to drive the technical definition, architecture, and development of Battery Management Systems for electric vehicle applications.

The role involves RFQ support, feasibility assessments, and the translation of customer requirements into robust BMS solutions. You will coordinate hardware, software, and system engineering activities across 400V/800V architectures and contribute to safety processes per ISO 26262.

Qualifications

• 7+ years in automotive electronics, battery systems or embedded systems.
• 3+ years direct BMS development experience.
• Experience with OEMs or Tier 1 suppliers is preferred.

Responsibilities

• Lead the technical definition and architecture of the Battery Management System.
• Analyze OEM requirements and translate them into BMS specifications.
• Define BMS functionalities including SOC, SOH, cell balancing, thermal monitoring and safety management.
• Coordinate hardware, software and system engineering activities.
• Support BMS integration into 400V and 800V-class battery architectures.
• Identify technical risks and propose mitigation strategies.
• Contribute to RFQ technical deliverables and engineering estimates.
• Support functional safety activities according to ISO 26262.

Skills

Lithium-ion chemistries

Battery architecture

BMS hardware & embedded interfaces

CAN / CAN FD / UDS / diagnostics

Functional safety & automotive

HIL testing & fault management

Job description

We are looking for an experienced BMS Product Technical Lead to support the technical definition, architecture and development of Battery Management Systems for electric vehicle applications.

The candidate will play a key role during the RFQ phase, supporting technical feasibility assessments, customer requirements analysis and the definition of the BMS solution.

Key Responsibilities

• Lead the technical definition and architecture of the Battery Management System.
• Analyze OEM requirements and translate them into BMS technical specifications.
• Define BMS functionalities including SOC, SOH, cell balancing, thermal monitoring and safety management.
• Coordinate hardware, software and system engineering activities.
• Support BMS integration into 400V and 800V-class battery architectures.
• Identify technical risks and propose mitigation strategies.
• Contribute to RFQ technical deliverables, engineering estimates and customer technical reviews.
• Support functional safety activities according to ISO 26262.

Required Technical Skills

• Knowledge of lithium-ion battery chemistries: NMC, LFP and related cell technologies.
• Understanding of battery electrical architecture, voltage monitoring and current measurement.
• Experience with BMS hardware and embedded software interfaces.
• Knowledge of CAN, CAN FD, UDS and automotive diagnostics.
• Experience with functional safety and automotive development processes.
• Familiarity with HIL testing, validation and battery fault management.

Experience

• 7+ years in automotive electronics, battery systems or embedded systems.
• 3+ years of direct BMS development experience.
• Experience working with automotive OEMs or Tier 1 suppliers.
• Previous RFQ, architecture definition or technical leadership experience strongly preferred.

Critical Selection Criteria

Must demonstrate direct responsibility for BMS architecture, development or integration on a real automotive battery project.