Job Description:
Responsibilities:
- Own and execute firmware design activities for power electronic converters, working closely with hardware, controls, and system teams.
- Architect, develop, and optimize embedded firmware in C/C++ for power electronic converters.
- Design and implement drivers and application layers using peripherals such as ADC, PWM, GPIO, CAN/CAN-FD, I2C, SPI, EEPROM, and timers.
- Define firmware state machines, implement closed-loop control algorithms, and design fault handling, protection logic, and communication protocols.
- Lead hardware–firmware integration, bring-up, and validation of power converter platforms.
- Perform root cause analysis of firmware–hardware interaction and closed-loop control issues and drive corrective actions in coordination with control and power teams.
- Own planning and execution of firmware testing on prototypes, including functional, stress, and corner-case testing.
- Develop test cases, test plans, and validation procedures for embedded firmware and systems.
- Contribute to coding standards, best practices, and review processes.
- Review firmware designs and code of junior engineers.
- Provide technical guidance and mentorship to team members.
- Prepare firmware design documents, interface specifications, and release notes.
Desired Qualifications and Skills:
- Master’s in Power Electronics or B.E. in Electrical Engineering with 5 to10 years of relevant industry experience.
- Strong understanding of closed-loop control of power converters and hands-on experience implementing digital control algorithms on embedded platforms.
- Experience in safety and reliability coding standard and practices.
- Conversant with bootloaders and firmware update mechanisms.
- Hands-on experience with debug tools (logic analyzers etc)
- Experience with TI C2000 family microcontrollers is a plus.
- Work on high-power, grid-connected and renewable energy systems with real-world deployment.
- Opportunity to influence firmware architecture, control strategies, and system-level design decisions.
- Exposure to the full product lifecycle from concept to production.
- A collaborative environment with strong interaction between firmware, power electronics, and control teams.
- Reports Director – Electrical Engineering, with a clear technical growth path toward Staff Engineer / Engineering Manager roles.
Ohmium is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
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What We Do
Ohmium's mission is to accelerate the adoption of green hydrogen to decarbonize hard-to-abate sectors and enable a low-carbon future. Ohmium designs, manufactures and deploys modular, scalable proton exchange membrane (PEM) electrolyzer systems that enable cost-competitive green hydrogen production. Ohmium’s systems are vertically-stackable and integrate advanced power electronics, delivering superior value for a wide range of commercial and industrial applications in terms of safety, energy density, scalability and ramp rate. The human-scale electrolyzers are efficient to manufacture, quick to transport and easy to maintain. This versatility enables cost-effective plug-and-play operations that can scale rapidly. Ohmium has a global green hydrogen project pipeline across the U.S., Mexico, Europe and Asia.
