Firmware principal Technical expert

wer electronics. The ideal candidate will drive architecture, design, and implementation of real-time control firmware for high‑performance power conversion systems, ensuring reliability, safety, and efficiency across diverse applications.

Key Responsibilities

1. Firmware Architecture & Development

• Lead architecture, design, and development of embedded firmware in C for MCUs/DSPs (ARM Cortex M0/M4F/M7 32-bit MCU (STM/ NXP/ TI/...) used in BMS, DC‑DC converters, chargers and related systems.
• Develop and optimize real-time digital control algorithms (current/voltage loop control, PID, resonant LLC control, FOC, PFC).
• Implement peripheral drivers, communication stacks, interrupt handlers, real‑time schedulers, and power-mode management.
• Know-how and experience in using peripherals: ADCs, DACs, timers, PWM modules, GPIOs
• Memories: Serial Flash, SD card, e-MMC, RAM
• Super loop, RTOS, Scheduler based designs
• Familiar with typical firmware development environment: IDE, code editors, configuration management, unit testing, debuggers
• Experience in MATLAB/Simulink, PLECS, PSIM, or LTspice for control modelling and adjust the control loop parameters. Exporting auto ‑ generated code from Simulink.

1. Power Electronics Firmware

• Design and tune control loops for isolated & non‑isolated SMPS topologies (Buck, Boost, Flyback, LLC, Full/Half Bridge).

• Implement digital compensation, synchronous rectification control, soft‑start/soft‑stop, and advanced protection schemes.

• Collaborate with hardware and power electronics teams to ensure loop stability, EMI/EMC optimization, and robustness under load variations.

1. Energy Storage & Battery Systems

• Develop firmware for battery chargers, energy storage converters, and battery management systems (BMS).
• Implement SOC/SOH algorithms, cell balancing, thermal management, and safety-critical features.
• Integrate storage subsystems with power stages and industrial controllers.
• Implement communication protocols: Ethernet, CAN, CAN FD, UART, MODBUS and diagnostic frameworks.

1. System Integration & Validation

• Lead board bring‑up activities, hardware‑firmware integration, and real-time debugging.
• Validate firmware using oscilloscopes, power analysers, logic analysers, JTAG/SWD tools.
• Conduct control loop characterization, fault simulation, stress testing, and thermal performance verification.
• Proves design concepts through a combination of computer simulation and physical laboratory implementation/testing.
• Develops automated test cases for Hardware-In-Loop modelling/Testing. (Preferable)

1. Safety & Protection Implementation

• Ensure firmware meets safety standards (functional safety guidelines e.g. IEC 61508/ ISO 26262/ IEC 60730/ ...)
• Develop robust protection features: OVP, UVP, OCP, OTP, short-circuit protection, shoot-through prevention, derating logic.
• Implement diagnostic data logging, error handling, and system recovery mechanisms for safety-critical environments.
• Support compliance with global safety, EMC, and regulatory requirements.

1. Documentation & Process Compliance

• Create design documentation, firmware architecture specs, control algorithms, test reports, and safety analysis.

• Ensure adherence to coding standards (MISRA C), code reviews, version control workflows, static analysis, CI/CD practices.

• Know how and familiarity with cyber security topics like secure boot, authentication, integrity check, PKIs handling, threat model, security level,... (IEC 62443)

Senior-Level Responsibilities

• Technical Leadership

  • Guide cross-functional teams in HW-FW co-design, power architecture decisions, and digital control strategies.
  • Mentor junior engineers in embedded systems, control algorithms, and power electronics fundamentals.

• Innovation & System Architecture

  • Evaluate and adopt emerging technology such as GaN/ SiC power devices, new MCU families, digital control libraries, and model-based design (Simulink).
  • Architect scalable firmware platforms for next-generation energy storage solutions.

• Act as technical SPOC for project specific reviews (safety, cybersecurity, stage gate, regulatory,)

• Act as technical SPOC to talk to partners, vendors

Qualifications

• Bachelor's or Master's Degree in Electrical Engineering/ Electronics/ Embedded Systems or related field.

• 10+ years of experience in embedded firmware development for power control systems.

• Strong understanding of power electronics, control theory, and real-time embedded systems.

• Hands-on expertise with SMPS/ EV power electronics, and battery/energy storage systems.

• Proficiency with lab tools and debugging equipment.

Nice-to have requirements:

• Has worked on design of Battery Management Systems (HW/ FW)

• Knowledge of cybersecurity standards e.g. IEC62443

• Scripting experience using Python/ Shell/ others

• Knowledge/ Practical experience with Functional Safety design and implementation (ISO26262/ IEC61508)

• Detail-oriented, organized, deadline-driven

• Demonstrated excellence in analytic, strategic and critical thinking

• Strong communication skills

• Being able to "think out of the box"

• Demonstrated ability to drive issue resolution with speed

• Able to manage competing priorities and deadlines

• Experience working with diverse global team members.

• Any prior experience as Technical Lead (leading at least 2/3 members technically)

• Prior experience with BBUs, chargers, DC-DC converters

• Ability perform stability analysis (Bode plots, Nyquist, root locus, phase margin/gain margin)

• Ability to build plant models, simulate closed-loop behaviour, and validate controller response.

Whom do you work with

• FW and HW leads/ team members

• V&V engineers

• Project Manager

• External teams (customers/ vendors/ validation agencies)

KEY CONSIDERATIONS:

• Customer first attitude

• Act with Speed

• Obsessed with Innovation

• Learn Everyday

Let us learn about you! Apply today.

• Continuous learning and growth in a dynamic technical environment

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