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.

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

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.

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

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

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

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 .

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.

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

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

Engineering Team to Build

The Head of Engineering should build the following organization:

Team

Initial Strength

Head – Power Electronics

Power Electronics Engineers

4–6

Embedded/Firmware Engineers

4–6

BMS Engineers

3–4

EMS/Software Engineers

3–4

Hardware Engineers

3–5

Mechanical/Thermal Engineers

2–3

Battery Pack Engineers

2–3

System Engineers

2–3

Testing & Validation

5–7

Certification/Compliance

Reliability Engineers

NPD/Project Managers

2–3

Initial team

~35–50

The organization can subsequently scale to 75–100+ engineers as Loom develops multiple product platforms.

First 12-Month Deliverables

The leader should be evaluated against concrete product milestones.

0–90 Days

Build engineering organization
Finalize product roadmap
Select technology architecture
Identify OEM/technology partners where required
Establish laboratory requirements
Freeze first-product specifications
Create engineering SOP/NPD process

3–6 Months

Working hybrid inverter prototype
Battery pack prototype
BMS prototype
EMS prototype
Cloud monitoring prototype
Initial laboratory validation

6–9 Months

Engineering validation
Field trials
Certification
Manufacturing prototype
Reliability testing

9–12 Months

Mass-production-ready Loom hybrid inverter + BESS platform

with:

Certification
Production BOM
Manufacturing test system
Service manual
Installation SOP
Warranty framework
Remote monitoring
Field-service architecture

Key KPIs

The Head of Engineering will be measured on:

KPI

Target

Product development cycle

≤ 9–12 months

Prototype success rate

90%

First-pass certification

90%

Product efficiency

Industry competitive

Field failure rate

<1%

Engineering change after launch

<5%

BOM cost reduction

10–20% annually

Localization

70% initially, increasing

On-time NPD

90%

Warranty cost

<1–2% of sales

Product gross margin

Company target

New products launched

3–5/year

Candidate Profile

Must Have

12+ years in power electronics
Strong inverter experience
Hybrid inverter/PCS experience
BESS experience
BMS understanding
Embedded systems experience
Product development experience
Manufacturing-transfer experience
Certification experience
Team-building experience

Preferred

Experience with companies/products involving:

Solar inverter
Hybrid inverter
PCS
BESS
Lithium battery
EV power electronics
Energy storage
EMS
Microgrid

Experience working with Indian and Chinese engineering/manufacturing ecosystems would be a major advantage.

Leadership Expectations

This is not a conventional R&D manager role .

The person must be able to:

Think like a CTO + engineer + product manager + manufacturing leader.

They must be comfortable moving between:

Customer → Product → Circuit → Firmware → Prototype → Factory → Certification → Field

and personally solve critical engineering problems.

Requirements

Look for senior engineers/leaders from companies involved in:

Solar inverters
BESS
Power electronics
EV chargers
UPS
Industrial drives
Energy storage
EV powertrain

Potential talent pools include organizations such as Sungrow, Huawei Digital Power, Delta Electronics, Schneider Electric, ABB, Siemens, Luminous, Su-Kam, Exide Energy, Amara Raja, Waaree, Enphase, Growatt and GoodWe , among others.

Benefits

Work Timing : 10:00 am to 7:00 pm (Monday to Saturday)

Education : MBA/Computer Science

Address : Loom Solar Pvt Ltd (14/4 Mathura Road, Faridabad 121003)

Contact : Muskan Singh

Gender : Male / Female

Job Type : Full Time

Job Location : Faridabad

Head of Engineering

Key Mission