Railway Energy Storage & Auxiliaries Engineer (Hybrid)

Groupe SEGULA Technologies SA; Zaragoza; Hybrid; EUR 45,000 - 65,000; Full time

Benefits offered by this job

Hybrid work option

Job summary

SEGULA Technologies is seeking an Auxiliaries and Energy Storage Systems Engineer for its railway center of excellence in Zaragoza. The role covers requirements definition, interfaces, and integration of electrical auxiliary systems and energy storage across high- to low-voltage components.

You will work with suppliers to specify parts, perform energy calculations, and support testing and validation to ensure system performance within rolling stock projects. Hybrid working option available.

Responsibilities

• Define requirements, manage interfaces, and design vehicle-level concepts, architectures, and earthing schemes for electrical auxiliary systems (converters, battery chargers, etc.), energy storage systems (batteries), and associated high- to low-voltage components.
• Supplier Management: Collaborate with suppliers to develop precise component specifications and custom solutions. Define Technical Purchase Specifications, prepare Bills of Materials (BOMs), manage requirements using DOORS, prepare clause-by-clause evaluations, and verify schematic diagrams.
• System Definition: Create system and functional specifications, perform load management AC/DC calculations, track energy consumption, detect harmonics, manage on-board energy storage and MV/LV power supplies, and conduct detailed performance simulations.
• System Integration: Coordinate with other engineering departments (software, schematics, and mechanical teams) to integrate electrical subsystems into the vehicle.
• Testing & Technical Analysis: Participate in design reviews, technical analyses, prototyping, and on-site testing to ensure functional consistency and compatibility across systems. Define and support test specification creation.

Job description

SEGULA Technologies is seeking an Auxiliaries and Energy Storage Systems Engineer for its railway center of excellence in Zaragoza. The role covers requirements definition, interfaces, and integration of electrical auxiliary systems and energy storage across high- to low-voltage components.

You will work with suppliers to specify parts, perform energy calculations, and support testing and validation to ensure system performance within rolling stock projects. Hybrid working option available.