Head of Engineering

• Key Mission Build an engineering organization capable of developing Loom-owned hybrid inverter and BESS products that are: Safe Reliable Cost competitive Highly efficient Easy to install and service IoT/cloud connected Scalable from residential to C&I applications Designed for Indian grid and operating conditions Ready for domestic and international markets Primary objective: Build Loom's core power-electronics IP rather than remaining dependent on OEM products. 2.

Key Responsibilities

A. Product Architecture Own architecture for: Hybrid inverter On-grid inverter Off-grid inverter Battery inverter PCS Residential BESS C&I BESS Battery packs BMS EMS Energy gateway Monitoring platform Define: PV → Inverter → Battery → Grid → Load → EV system architecture. B. Hybrid Inverter Development Lead development of: 3 kW 5 kW 6 kW 8 kW 10 kW 15 kW+ Three-phase hybrid inverter platforms Key engineering areas: MPPT DC/DC DC/AC conversion Power semiconductor selection MOSFET/IGBT/SiC architecture Magnetics Gate drivers Protection circuits Grid synchronization Anti-islanding Power-factor control Harmonic reduction Thermal management Surge protection Firmware/control algorithms 3. BESS Engineering Develop scalable BESS platforms from residential to commercial applications.

Responsibilities

include: Battery pack architecture Rack design BMS Cell selection Battery balancing SOC/SOH algorithms Thermal management DC protection Contactors Fuses Pre-charge circuits PCS EMS Fire protection HVAC integration Containerized BESS architecture Battery monitoring Remote diagnostics

Experience

with LFP chemistry and large-format battery systems is highly desirable. 4. BMS & EMS Development Build or manage development of an intelligent BMS capable of: Cell monitoring Cell balancing Over-voltage protection Under-voltage protection Over-current protection Short-circuit protection Temperature protection SOC calculation SOH calculation Fault detection Event logging Remote diagnostics Develop EMS capabilities for: Solar self-consumption Peak shaving Time-of-use optimization Backup power Grid charging Solar charging Battery scheduling Demand management DG optimization Dynamic energy management 5. Software & Connectivity The inverter/BESS should become a connected energy platform, not merely hardware. Lead integration of: Embedded firmware DSP MCU CAN RS485 Modbus Wi-Fi 4G Bluetooth OTA firmware updates Cloud monitoring Mobile application Remote diagnostics API integration Target architecture: Device → Gateway → Cloud → App → Analytics → AI 6. Product Development Process Own the complete NPD process: Market requirement → Product specification → Architecture → Simulation → Prototype → EVT → DVT → PVT → Certification → Mass production → Field validation Establish engineering gates for: Design review BOM review Reliability review Safety review Software validation Hardware validation Production validation Field testing 7. Testing & Reliability Build an internal validation laboratory covering: Electrical Efficiency MPPT performance Power factor THD Load testing Grid simulation Battery cycling Environmental High temperature Low temperature Humidity Dust Water ingress Vibration Shock Altitude Safety Short circuit Over-voltage Over-current Thermal runaway Insulation Ground fault Surge Lightning protection The engineering head will be accountable for field failure rate and product reliability. 8. Certification & Compliance Lead product certification and compliance for relevant Indian and international standards, including applicable: BIS IEC IS standards EMC Grid-connectivity

requirements

Battery safety

requirements

Transportation

requirements

Fire-safety

requirements

Experience

with certification laboratories and regulatory authorities is strongly preferred. 9. Manufacturing Transfer Work closely with: Manufacturing Quality Supply Chain Procurement NPD Service to achieve: Design → Prototype → Pilot → Mass Production

Responsibilities

include: DFM/DFA BOM optimization Component localization Test fixtures End-of-line testing Production calibration Yield improvement Cost reduction 10. Cost Engineering The leader must build products that can compete with Chinese and Indian manufacturers. Own: Target Cost → Design Cost → BOM Cost → Manufacturing Cost → Gross Margin Focus on: Component localization BOM reduction Design simplification Common platforms Supplier development Power density Manufacturing yield 11. Engineering Team to Build The Head of Engineering should build the following organization: Team Initial Strength Head – Power Electronics 1 Power Electronics Engineers 4–6 Embedded/Firmware Engineers 4–6 BMS Engineers 3–4 EMS/Software Engineers 3–4 Ha

→ Product specification → Architecture → Simulation → Prototype → EVT → DVT → PVT → Certification → Mass production → Field validation Establish engineering gates for: Design review BOM review Reliability review Safety review Software validation Hardware validation Production validation Field testing 7. Testing & Reliability Build an internal validation laboratory covering: Electrical Efficiency MPPT performance Power factor THD Load testing Grid simulation Battery cycling Environmental High temperature Low temperature Humidity Dust Water ingress Vibration Shock Altitude Safety Short circuit Over-voltage Over-current Thermal runaway Insulation Ground fault Surge Lightning protection The engineering head will be accountable for field failure rate and product reliability. 8. Certification & Compliance Lead product certification and compliance for relevant Indian and international standards, including applicable: BIS IEC IS standards EMC Grid-connectivity

requirements

Battery safety

requirements

Transportation

requirements

Fire-safety

requirements

Experience

with certification laboratories and regulatory authorities is strongly preferred. 9. Manufacturing Transfer Work closely with: Manufacturing Quality Supply Chain Procurement NPD Service to achieve: Design → Prototype → Pilot → Mass Production

Responsibilities

include: DFM/DFA BOM optimization Component localization Test fixtures End-of-line testing Production calibration Yield improvement Cost reduction 10. Cost Engineering The leader must build products that can compete with Chinese and Indian manufacturers. Own: Target Cost → Design Cost → BOM Cost → Manufacturing Cost → Gross Margin Focus on: Component localization BOM reduction Design simplification Common platforms Supplier development Power density Manufacturing yield 11. Enginee