Electro-Mechanical Sub-System Engineers

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

Roles and Responsibilities
"6-8 Years Expertise on Electromechanical Sub-System Engineer shall be responsible for the design, integration, validation, and engineering support of Rolling Stock Traction Systems including propulsion equipment, traction motors, converters, auxiliary power systems, electrical cabinets, high-voltage equipment, and associated electromechanical interfaces. The engineer will work with cross-functional teams including mechanical, electrical, TCMS, vehicle integration, manufacturing, and testing teams to deliver compliant and optimized rolling stock solutions. B.E./B.Tech in: Electrical Engineering