AH_101 - Electrical Design Engineer

Marutee; Karnataka; On-site; INR 800,000 - 1,400,000; Full time

Job summary

Marutee Design And Engineering Private Limited is seeking an Electrical Design Engineer with 3–7 years of experience to design end-to-end electrical architectures for EV charging stations. You will handle power distribution, PDUs, HV/LV panels, and detailed design documentation, coordinating with cross-functional teams.

The role requires expertise in electrical calculations, SLDs, schematics, and safety standards, with a focus on scalable, maintainable designs for industrial EV infrastructure.

Qualifications

• Bachelors degree in Electrical & Electronics Engineering or equivalent.
• 3–7 years of relevant experience in electrical design, EV charging infrastructure, or industrial electrical systems.
• Good understanding of EV charging systems and charging station electrical architecture.
• Strong knowledge of grid-to-charger power distribution and multi-charger installations.
• Experience in sizing cables, busbars, switchgear, panels and PDUs.
• Knowledge of HV/LV systems, protection devices and EMC concepts.
• Experience with HV panel boards and switchgear design/development.
• Understanding of electrical protection coordination and safety standards.
• Ability to read and develop electrical schematics, SLDs and wiring diagrams.

Responsibilities

• Design complete electrical architecture for EV charging stations from grid input to chargers.
• Develop power distribution schemes for multiple chargers at a single site.
• Perform electrical calculations for load, voltage drop, short-circuit, cable sizing and protection devices.
• Develop SLDs, electrical schematics and wiring diagrams.
• Design PDUs and HV/LV panels, switchgear, busbars and metering systems.
• Coordinate electrical design with mechanical, civil, charger and electronics teams."
• Review designs for safety, reliability and manufacturability; prepare specs, BOMs and documentation.
• Support installation, commissioning and troubleshooting of electrical designs.

Skills

Electrical design

EV charging systems

PDU development

HV/LV electrical systems

Power distribution

Schematic development

Grid-to-charger architecture

Cable and busbar sizing

Protection coordination

Safety standards

Design coordination

Education

BE/B.Tech – Electrical Engineering

Electrical & Electronics Engineering

Tools

SolidWorks

AutoCAD Electrical

EPLAN

MS Excel

Job description

Marutee Design And Engineering Private Limited

Full-Time

Job Summary

We are looking for an Electrical Design Engineer with 3–7 years of relevant experience in EV charging infrastructure, electrical system design, power distribution, PDU development, or HV/LV electrical systems.

The candidate will be responsible for designing the complete electrical architecture of EV charging stations, from utility/grid input to individual chargers, including power distribution, protection systems, PDU design, HV/LV panels, switchgear, electrical calculations, layouts, and detailed design documentation.

Key Responsibilities

• Design complete electrical architecture for EV charging stations, from utility/grid input to individual chargers.
• Develop power distribution schemes for multiple EV chargers at a single location.
• Perform electrical calculations for:
  • Connected load, maximum demand, diversity & demand factors
  • Voltage drop and short-circuit/fault current
  • Cable and busbar sizing
  • MCB/MCCB/ACB/fuse selection
  • Earthing & grounding
  • Power factor and reactive power
  • Transformer and DG capacity
  • Thermal loading and derating
• Develop Single-Line Diagrams (SLDs), electrical schematics and wiring diagrams.
• Design and develop Power Distribution Units (PDUs) for EV charging applications.
• Design/specify HV/LV panels, switchboards, switchgear, busbars, breakers, contactors, isolators, protection devices and metering systems.
• Develop electrical layouts, panel layouts, cable routing, cable schedules, termination details and interconnection drawings.
• Ensure proper segregation and protection of HV, LV, control and communication circuits.
• Coordinate electrical design with mechanical, civil, charger, controls and electronics teams.
• Review designs for safety, reliability, maintainability, manufacturability and applicable standards.
• Prepare technical specifications, BOMs, schematics and design documentation.
• Support component selection and supplier interactions for panels, switchgear, cables, connectors and protection devices.
• Support installation, commissioning, troubleshooting and resolution of electrical design issues.
• Review existing installations and recommend improvements for capacity expansion and future charger additions.

Required Technical Skills

• Bachelor’s degree in Electrical & Electronics Engineering (EEE), Electrical Engineering, or equivalent.
• 3–7 years of relevant experience in electrical design, EV charging infrastructure, industrial electrical systems, power distribution, PDU development or similar applications.
• Good understanding of EV charging systems and charging station electrical architecture.
• Strong knowledge of grid-to-charger power distribution and multi-charger installations.
• Experience in sizing:
  • Cables and wires
  • Busbars
  • Switchgear and protection devices
  • Panels and PDUs
  • Transformers
  • Earthing systems
  • Power distribution equipment
• Knowledge of HV/LV systems, switchgear, panel boards and protection systems.
• Experience in PDU design and development, preferably in automotive, EV or industrial applications.
• Experience with HV panel board and switchgear design/development.
• Understanding of electrical protection coordination and basic selectivity/discrimination.
• Good knowledge of electrical safety, isolation, earthing and fault protection.
• Knowledge of relevant IEC/IS and applicable EV charging/electrical installation standards.
• Ability to read and develop electrical schematics, SLDs and wiring diagrams.

Design Software

Practical experience with:

• SolidWorks – 3D modelling and mechanical/electrical packaging of panels, PDUs and components.
• AutoCAD Electrical, EPLAN or equivalent electrical design/layout tools.
• Microsoft Excel for electrical calculations, sizing and load analysis.
• Familiarity with electrical simulation/calculation tools is an added advantage.

Preferred Experience

• Experience with AC and DC EV charging systems, including high-power charging.
• Experience designing infrastructure for multiple chargers at a single site.
• Experience with HT/LT distribution systems, transformers, APFC systems, MDBs, SMDBs, MCCs and distribution panels.
• Experience with HV cable selection, termination and routing.
• Knowledge of energy metering, protection relays, surge protection and power quality.
• Experience in automotive, EV, industrial automation, renewable energy or power electronics.
• Exposure to site installation, commissioning and electrical troubleshooting.
• Strong analytical and electrical calculation skills.
• Ability to convert system-level power requirements into practical electrical architecture.
• Strong understanding of electrical safety and design standards.
• Good technical documentation and communication skills.
• Ability to work independently and coordinate with cross-functional teams.
• Practical approach to design, component selection, cost optimization and manufacturability.

Experience

3–7 years of relevant experience

Education

BE/B.Tech – Electrical / Electrical & Electronics Engineering or equivalent