Electro-Mechanical Sub-System Engineers

Cyient Limited; Hyderabad; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Cyient Limited is seeking an experienced Systems Engineer to analyze customer specs and craft subsystem architectures for rolling stock traction systems. The role covers interface definitions, documentation, and compliance activities across electrical, mechanical, and verification domains.

You will collaborate on 3D layout creation, harness integration, and validation planning, contributing to safe and reliable railway systems.

Qualifications

• Strong understanding of traction propulsion systems.
• Knowledge of HV/LV architectures and train electrical distribution.
• Experience with vehicle electrical integration and converter technologies.

Responsibilities

• Analyze customer specifications and system requirements for rolling stock traction systems.
• Develop subsystem architecture, functional descriptions, interface specifications, and design documentation.
• Define electromechanical interfaces between traction equipment, carbody, bogie, TCMS, braking, and auxiliary systems.
• Support requirement traceability and compliance activities.
• Design and integration of traction converters, auxiliary converters, battery chargers, DC/DC converters, traction motors, brake resistors, high voltage equipment, main electrical cabinets, roof mounted equipment.
• Create 3D layouts and installation drawings; review cable routing and connector selection.
• Prepare and review single line diagrams (SLD), wiring diagrams, functional schematics, interface control documents, cable schedules.
• Coordinate mounting arrangements and enclosure designs; review cooling, ventilation, accessibility, maintainability.
• Support verification & validation activities: FAT, Type Tests, Vehicle Integration Tests, Dynamic Tests; prepare reports.
• Handle engineering change requests and participate in design reviews and customer meetings.

Skills

Traction Propulsion Systems

High Voltage Architecture

Low Voltage Architecture

Vehicle Electrical Integration

Converter & Inverter Technologies

Traction Motor Fundamentals

Tools

CATIA V5/V6

Creo

DOORS

Job description

• Analyze customer specifications and system requirements for rolling stock traction systems.
• Develop subsystem architecture, functional descriptions, interface specifications, and design documentation.
• Define electromechanical interfaces between traction equipment, carbody, bogie, TCMS, braking, and auxiliary systems.
• Support requirement traceability and compliance activities.

Key ResponsibilitiesSystem Engineering

• Analyze customer specifications and system requirements for rolling stock traction systems.
• Develop subsystem architecture, functional descriptions, interface specifications, and design documentation.
• Define electromechanical interfaces between traction equipment, carbody, bogie, TCMS, braking, and auxiliary systems.
• Support requirement traceability and compliance activities.

Electromechanical Design

• Design and integration of: Traction Converters Auxiliary Converters Battery Chargers DC/DC Converters Traction Motors Brake Resistors High Voltage Equipment Main Electrical Cabinets Roof Mounted Equipment
• Equipment arrangement and installation design.
• Cable routing, harness integration, and connector selection.
• Support creation of 3D layouts and installation drawings.

Electrical Engineering

• Preparation and Review of: Single Line Diagrams (SLD) Wiring Diagrams Functional Schematics Interface Control Documents Cable Schedules
• Validation of protection philosophy and power distribution concepts.
• Support electrical calculations and load analysis.

Mechanical Integration

• Coordinate mounting arrangements, brackets, supports, and enclosure designs.
• Review cooling, ventilation, accessibility, maintainability, and serviceability requirements.
• Support mechanical stress, vibration, and shock assessments.

Verification & Validation

• Support subsystem testing activities including: FAT Type Tests Routine Tests Vehicle Integration Tests Dynamic Tests
• Analyze test results and support issue resolution.
• Prepare compliance and validation reports.

Configuration & Change Management

• Handle engineering change requests.
• Manage technical documentation and revision control.
• Participate in design reviews and customer meetings.

Required Technical SkillsRolling Stock Systems

Strong understanding of:

• Traction Propulsion Systems
• Auxiliary Power Supply Systems
• High Voltage and Low Voltage Architectures
• Train Electrical Distribution
• Traction Motor Fundamentals
• Converter & Inverter Technologies
• Vehicle Electrical Integration

Engineering Tools

Experience in one or more:

• CATIA V5 / V6
• Creo
• DOORS (desirable)

Railway Standards

Knowledge of:

• EN 50155, EN 50121, EN 50343, EN 50124, EN 50125, EN 61373, EN 45545, IEC 60077, IEC 60571