Role: BMS System Architect – Functional Integration & Hardware Delivery
Location: Warwickshire
Rate: £30+ p/h (Outside IR35)
Hours per week: 40
Duration: 6 Months +
Role Overview
As a BMS System Architect, you will define and oversee the end-to-end architecture for cutting-edge battery management systems, integrating control, hardware, and diagnostic components. Your technical leadership will shape the interfaces between SDU Controls, Cell Supervisory Controllers (CSC), and WGM hardware to ensure optimal system performance, safety compliance, and integration scalability.
Key Responsibilities
System Architecture & Design
Define and evolve the holistic architecture of BMS across functional domains and hardware interfaces
Architect scalable and robust integration schemes for SDU, CSC, and WGM units
Balance competing requirements including safety, reliability, thermal management, and electrical performance
Requirement Definition & Traceability
Capture, structure, and decompose high-level system requirements into detailed functional and interface specifications
Establish traceability from stakeholder inputs through design and verification stages using tools like IBM DOORS or Polarion
Integration Strategy & Technical Oversight
Guide multidisciplinary teams across software, controls, hardware, and validation functions
Define integration boundaries, communication protocols, timing requirements, and fault handling mechanisms
Support validation activities including HIL setup, test case scoping, and failure mode simulations
Stakeholder & Compliance Coordination
Liaise with internal technical leaders, suppliers, and product owners to align on architecture goals
Ensure system compliance to standards including ISO 26262 (functional safety) and regulatory frameworks
Influence platform roadmap decisions and future-proof system scalability
Required Qualifications
Master’s or Bachelor’s degree in Electrical Engineering, Systems Engineering, or related field
7+ years of experience in embedded architecture, system-level design, or BMS integration
Proven track record architecting complex control systems across hardware and software domains
Familiarity with CAN, LIN, SPI communication systems and real-time embedded platforms
Proficient in modeling and documentation tools (e.g., SysML, MATLAB/Simulink, Enterprise Architect)
Preferred Attributes
Experience with AUTOSAR architectures and safety-critical application design
In-depth knowledge of lithium-ion battery technology, cell balancing algorithms, and thermal modeling
Strategic mindset with strong attention to technical detail and cross-functional collaboration
Background in automotive, aerospace, or electrification platforms requiring high-voltage integration
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