BMS SW Architect Manager M/F

Req ID:524490 

At Alstom, we understand transport networks and what moves people. From high-speed trains, metros, monorails, and trams, to turnkey systems, services, infrastructure, signalling and digital mobility, we offer our diverse customers the broadest portfolio in the industry. Every day, more than 80 000 colleagues lead the way to greener and smarter mobility worldwide, connecting cities as we reduce carbon and replace cars.

BMS SW Architect Manager

The  BMS Software Architect manager lead the design and development of advanced Battery Management System (BMS) software for high-voltage lithium-ion battery platforms (up to 800V), targeting railway applications. He will define the software architecture, ensure functional safety compliance, and drive innovation in battery control, diagnostics, and performance optimisation. 

You will be responsible for:

Architecture & Design

• Define and own the BMS software architecture for railway battery systems (layered, or embedded C-based)
• Design scalable solutions compatible with high-voltage traction battery systems (800 V) & auxiliary battery solution

• Define communication architectures & interface with train (CAN, Ethernet / TRDP)

Core BMS Functions

• Architect algorithms and embedded software for State of Charge (SoC) estimation, State of Health (SoH) and diagnostics,State of Power (SoP), Cell balancing strategies
• Contribute to define battery control strategies

Safety, Cybersecurity & Standard compliance

• EN 50716 (railway software), EN 50129 (safety-related electronic systems), EN 45545 (fire protection)
• Contribute to system safety case and certification dossiers (ISA, NoBo/DeBo context)
• Apply functional safety principles aligned with IEC 61508 & ISO 26262 (when relevant for cross-domain reuse)
• Define fault handling strategies ensuring fail-safe / fail-operational behavior
• Implement fault detection, fallback strategies and safe states
• Contribute to cybersecurity concepts

System Integration

• Interface with BMS hardware teams & Battery systems teams and with Train Control & Monitoring System (TCMS)
• Support integration of BMS into Auxiliary & Traction battery and fast-charging systems

Software Development & Validation

• Define software development guidelines and standards
• Support model-based development (e.g., MATLAB/Simulink) where applicable
• Supervise:
  • Embedded software development (C/C++)
  • Interface with Model-based design approach
  • Software integration and testing (SIL, HIL, system level)
  • Verification & validation

• Ensure traceability, documentation, and audit readiness

Technical Leadership

• Act as technical authority / reference for BMS software
• Lead design reviews and architecture decisions
• Guide cross-functional teams (system, safety, hardware, validation)
• Mentor software engineers and system engineers involved on the BMS development 
• Contribute to roadmap definition and innovation (AI-based diagnostics, cloud BMS)
  • Predictive maintenance
  • Smart energy management
  • Digital twin / cloud-based battery analytics

Experience:

• 8+ years in embedded software or BMS development
• Proven experience with high-voltage lithium-ion battery systems (>400 V)
• Experience in railway, automotive or heavy-duty mobility sectors
• Experience in safety-critical software development (CENELEC or equivalent)
• Prior role as software architect or technical lead

You don’t need to be a train enthusiast to thrive with us. We guarantee that when you step onto one of our trains with your friends or family, you’ll be proud. If you’re up for the challenge, we’d love to hear from you!

Important to note

As a global business, we’re an equal-opportunity employer that celebrates diversity across the 63  countries we operate in. We’re committed to creating an inclusive workplace for everyone.

Job Type:​Experienced​