Head of Engineering

Posted 18 Days Ago
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Faridabad, Haryana, IND
In-Office
Expert/Leader
Solar
The Role
Leads the development of Loom-owned hybrid inverter and BESS products from architecture through certification, manufacturing transfer, and field validation. Builds a 35–50-person engineering organization spanning power electronics, embedded systems, BMS, EMS, battery packs, testing, reliability, and certification. Owns product roadmaps, cost engineering, safety, reliability, cloud connectivity, NPD processes, and mass-production readiness for residential and commercial energy-storage platforms.
Summary Generated by Built In
1. 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

Hardware Engineers

3–5

Mechanical/Thermal Engineers

2–3

Battery Pack Engineers

2–3

System Engineers

2–3

Testing & Validation

5–7

Certification/Compliance

2

Reliability Engineers

2

NPD/Project Managers

2–3

Initial team

~35–50

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


12. 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

13. 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


14. 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.


15. 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



Skills Required

  • 12+ years of experience in power electronics
  • Strong inverter experience
  • Hybrid inverter or PCS experience
  • BESS experience
  • Understanding of BMS
  • Embedded systems experience
  • Product development experience
  • Manufacturing-transfer experience
  • Product certification experience
  • Experience building and leading engineering teams
  • Experience with solar inverters, PCS, lithium batteries, EV power electronics, energy storage, EMS, or microgrids
  • Experience with Indian and Chinese engineering or manufacturing ecosystems
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The Company
HQ: Faridabad
100 Employees
Year Founded: 2018

What We Do

Loom Solar is a manufacturer of solar panels and lithium batteries based out of Faridabad, Haryana. It is an ISO 9001-2015 certified company and a recognized startup by the government of India. It is present in 500 districts across India, having 3,500 resellers, 100 employees, two offices and one manufacturing unit.

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