Group Lead - eMobility Power Electronics /EV Traction

Larsen & Toubro; Bengaluru; On-site; INR 3,500,000 - 6,000,000; Full time

Job summary

Larsen & Toubro in Bengaluru seeks a Group Lead to own end-to-end development of EV power electronics subsystems, including OBC, DC-DC, PDU, and traction inverter, aligned to OEM requirements and automotive standards.

The role demands strong customer-facing technical leadership, design ownership, and production readiness focus (cost, quality, scalability). You will drive platform reuse, supplier interfaces, and safety compliance.

Qualifications

• 12–18 years in automotive or EV Tier-1 domain.
• Proven experience in complete product development life cycle—from requirement to production.
• Experience working directly with OEMs (e.g., Tata, Mahindra, global OEMs).

Responsibilities

• Own end-to-end development of EV power electronics subsystems (OBC, DC-DC, PDU, drivetrain inverter).
• Lead design of PFC+LLC or phase-shift OBC, and dual active bridge DC-DC.
• Define scalable platforms for OBC, DC-DC, PDU, and traction inverter.
• Align with OEM motor/vehicle integration teams.

Skills

Power electronics

OBC design

DC-DC design

Inverter design

Motor control

Thermal management

System architecture

HV systems 400V/800V

Semiconductors (SiC/GaN)

Education

Bachelor’s / Master’s in Electrical / Power Electronics / Automotive Engineering

Tools

Altium

Cadence

PLECS

MATLAB/Simulink

PSIM

Medini/ANSYS

Job description

Job Title: Group Lead – eMobility Power Electronics / EV Traction.

Location : Bangalore.

As a Group Lead, you will own the end-to-end development of EV power electronics subsystems (OBC, DC-DC, PDU, and drivetrain inverter) aligned to OEM requirements, APQP processes, and automotive compliance standards.

This role demands strong customer-facing technical leadership, design ownership, and production readiness focus (cost, quality, scalability).

Key Responsibilities

• Customer & Requirements Management
• Act as primary technical interface with OEM customers
• Analyse and cascade:
• System requirements (SRD)
• Hardware/software requirements (HRD/SWRS)
• Handle change requests, RFQs, and technical negotiations
• System Architecture & Platform Strategy
• Define scalable platforms for:
• OBC (7kW–22kW, single/three-phase)
• DC-DC (bi-directional, HV-LV)
• PDU (400V / 800V )
• Traction inverter systems
• Drive platform reuse strategy across OEM programs
• Cost vs performance vs manufacturability
• Detailed Power Electronics Design
• Lead design of:
• PFC + LLC / Phase-shift full bridge OBC
• Dual Active Bridge DC-DC
• HV distribution & protection systems (PDU)
• Component Selection:
• SiC MOSFETs / IGBTs
• Gate drivers, DC-link capacitors
• Magnetics (planar + ferrite optimization)
• Ensure:
• Efficiency targets (>95–97%)
• Power density and thermal limits
• Electric Drive & Inverter Integration
• Define:
• Inverter topology (2-level / 3-level)
• Motor compatibility (PMSM, induction)
• Oversee:
• Control algorithms (FOC, MTPA, field weakening)
• Align with OEM motor & vehicle integration teams
• ASIL-Compliant Development
• Ensure compliance with:
• Automotive ASIL (ASIL Level 2/3)
• Define and review:
• System, hardware, and software work products
• Participate in:
• Process audits and assessments
• Functional Safety Ownership
• Lead safety lifecycle per:
• ISO 26262
• Activities include:
• HARA, FSC, TSC
• DFMEA / FMEDA
• Safety concept & ASIL decomposition
• Implement diagnostics and fault-tolerant architectures
• Validation, Verification & Compliance
• Define and execute:
• DVP&R (Design Verification Plan & Report)
• Ensure compliance with:
• EMI/EMC (CISPR 25, ISO 11452)
• Environmental (ISO 16750)
• Support:
• Vehicle-level validation with OEMs
• Industrialization & Manufacturing Readiness
• Work closely with:
• Manufacturing engineering
• Supplier quality teams
• Ensure:
• DFM / DFA / DFT compliance
• Support:
• SOP readiness
• Line bring-up and ramp-up
• Supplier & Component Management
• Interface with:
• Semiconductor vendors (SiC/GaN)
• Magnetics and capacitor suppliers
• Conduct:
• Technical reviews and qualification
• Drive:
• Cost reduction (VA/VE activities)
• Program Leadership
• Lead cross-functional teams:
• Hardware, software, mechanical, validation
• Track:
• Milestones (APQP, PPAP readiness)
• Manage:
• Risks, issues, and escalations

Required Qualifications

Education

• Bachelor’s / Master’s in Electrical / Power Electronics / Automotive Engineering

Experience

• 12–18 years in automotive or EV Tier-1 domain
• Proven experience in complete product development life cycle- from requirement to production.
• Experience working directly with OEMs (e.g., Tata, Mahindra, global OEMs)

Technical Expertise

• Power electronics:
• OBC, DC-DC, inverter design
• High voltage systems:
• 400V / 800V (1500V is a plus)
• Control systems:
• Motor control, converter control
• Simulation tools:
• MATLAB/Simulink, PLECS, PSIM

Process & Standards

• Strong experience in:
• ISO 26262
• APQP / PPAP / V-cycle development
• Knowledge of:
• ISO 21434 (preferred)

Tools

• Design: Altium / Cadence
• Simulation: PLECS / MATLAB
• Safety analysis: Medini / ANSYS

Soft Skills

• Strong OEM-facing communication
• Technical decision-making under constraints
• Leadership across global teams

KPIs

• On-time delivery aligned to OEM milestones
• First-time-right design (low re-spin rate)
• ASPICE & safety audit success
• Cost vs RFQ target achievement
• Warranty/field failure rate (PPM targets)

Reporting Structure

• Reports to: Head R and D Power Electronics
• Interfaces with:
• OEM engineering teams
• Internal product and program managers
• Supplier