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:

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:

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