Battery Management System Electronics Engineer (all gender)

At Ascendance we are building tomorrow’s hybrid-electric aviation with ATEA, a unique Vertical Take-Off and Landing (VTOL) aircraft powered by STERNA, our in-house hybrid-electric propulsion system. We focus our efforts in designing an innovative, safe, silent, clean and affordable aircraft that will be able to blend into existing infrastructures and regulations to ease its deployment and maximise social acceptance.

If you are looking for a place where you will have a direct impact on very ambitious products, where you will work close to the hardware and where you can witness the result of your hard work quickly, board ATEA and come fly with us toward the future of aviation!

Your role : 

Central to Ascendance’s hybrid propulsion systems, you will design and deliver reliable BMS electronics, ensuring safe operation of high-voltage battery packs while meeting functional and certification requirements.

Your main responsibilities will be : 

1. Integrate & Validate BMS Hardware: source, integrate, and test off-the-shelf BMS components to achieve near-term project milestones, delivering full validation reports.

2. Architect Bespoke BMS Solutions: design and prototype custom BMS boards optimized for power, weight, and safety.

3. Full Hardware Lifecycle Management: lead schematic design, PCB layout, testing, and ensure smooth manufacturing hand-off.

4. Safety & Performance Assurance: implement and verify safety features, fault-tolerance, and high-voltage system compliance.

5. Cross-Functional Collaboration: Work closely with systems, software, and certification teams to ensure seamless integration and compliance.

Where do we stand? 

Founded on Ascendance's strong values, the whole team is involved in creating both innovative products to decarbonize aviation and an accurate company structure to support its fast development.

Full scale testbenches are ongoing while full scale aircraft development is running at full speed.

The job has been made for you if you have : 

• Aerospace Standards Compliance knowledges: proven expertise in designing multi-layered PCBs to certification standards (e.g., DO-254, IPC Class 3).

• An exeprience with DO160 equipment qualification.

• High-Voltage/Current Systems experience : with 400V-800V+ architectures, EMI/EMC mitigation, and thermal management.

• Safety & Redundancy skills: portfolio demonstrating fault-tolerant, redundant, and fail-safe designs for aviation.

• Supply Chain & Integration experience : qualifying COTS components and managing manufacturing hand-off for custom designs.

• Data & Communication Systems skilss : hands-on experience with CAN bus, LIN, SPI, etc., for system integration.

What we offer  : 

• Career booster: versatility, training opportunities, internal mobility

• Health insurance

• Restaurant tickets

• Holiday pay bonus

• Public transportation allowance

• Teleworking policy

• A flexible working environment

• Company events.

Recruitment process :🕐 

• Application evaluations (CVs….)

• Talent Interview

• Technical Interview

• Meet others Ascenders 

• Reference check.

Non-discrimination and diversity are our priorities. AFT is open to hire personalities with their own differences.