People Matter

Senior Firmware Engineer

Natron Energy

Natron Energy

Software Engineering
Santa Clara, CA, USA
Posted on Saturday, May 18, 2024
Natron Energy is seeking a Sr. Firmware Engineer to support the full product cycle of its high-power battery systems for Data Center UPS and EV charging applications. This position will work in a team of engineers to solve technical challenges associated with our energy storage products from initial prototyping to volume manufacturing. He or she will design, test, and validate the firmware which runs on our battery management systems (BMS). This person is a passionate, creative, goal-oriented engineer who is comfortable with developing new concepts and designs. This position requires extensive hands-on work and a do-whatever-it-takes attitude to get the job done.


  • Along with the systems engineering team, define the control architecture for new products in development.
  • Specify, design, and implement the firmware which runs on the product BMS.
  • Develop the test plan from product requirements and execute the plan or work with others who will run the tests.
  • Hands-on bring-up of the hardware, along with the electrical engineers, including debugging and optimization.
  • Maintenance and extension of the firmware code base to enable new functionality and products.
  • Collaborate with NPI/operations engineering on production-level tests.

Experience and Skills

  • + 5 years of Firmware development on MCUs and C
  • + 2 years experience on RTOS such as free RTOS or ThreadX
  • +2 years driver development experience.
  • Willing to work in a fast pace environment.
  • Have a background in electrical or electronic engineering.
  • Experience in Battery Technology, alternative energy, automotive, high-power systems or something similar.
  • Experience in protocols such as I2C, SPI, ethernet, Modbus, CAN.
  • Good communicator
  • Experience in system and/ or firmware design.
  • Experience with Jira, Confluence and Github.
  • Experience in system/ engineering level testing
  • Experience with oscilloscopes and multimeters.
  • Documentation
  • UL1998/ 30730 software certification or equivalent.
  • Can read an electrical schematic.

Compensation/Pay Transparency:

  • This is a full-time role based in Santa Clara
  • Disclaimer: The actual salary of a successful applicant may vary from posted ranges based on the candidate’s experience, knowledge, skills, and abilities, internal equity and alignment with market data, and other legitimate business reasons, including, but not limited to, compliance with applicable immigration law prevailing wages.
  • In addition, Natron Energy has a strong benefits package including Medical, Dental, Vision, 401k Plan, Life Insurance, and Flexible Time Off and Personal Time Off for Exempt and Non-Exempt employees respectively.
  • The salary range for this position is a minimum of $171,500 and a maximum of $202,000
About Us:
Natron Energy ( is the future of energy storage. Our battery products solve operations performance and reliability problems for the world’s biggest electricity customers. Our initial products target markets exceeding twenty-five billion dollars including data centers, oil & gas, EV fast charging, and commercial aviation. We have additional products in development for larger markets including commercial and residential grid storage. Our products are based on sodium-ion cells containing Prussian blue electrodes that deliver unique power, cycle life, and safety: full discharge and recharge in just minutes all from a nonflammable, fault-tolerant system.
Unsolicited Resume Policy
Natron Energy, Inc. (“Natron Energy” or the “Company”) does not accept unsolicited resumes from professional recruiters, third-party recruiting or staffing agencies, placement services, or any other source other than directly from a candidate. Any unsolicited resumes, including partial resumes, candidate profiles, and candidate details or information, sent to Natron Energy or its personnel will be treated as public information provided free of any charges or fees.
Natron Energy will not pay a fee for any placement resulting from the receipt of an unsolicited resume, unless in connection with a written agreement with the Company then in effect. Such agreement must be pre-approved by Natron Energy and executed by an authorized representative of the Company. Natron Energy specifically rejects, and denies any liability under, any agreement purporting to be accepted based on negative consent, negotiation with a candidate, performance, or any means other than the signature of an authorized representative of the Company.
Natron Energy is proud to be an equal-opportunity employer. We value diversity. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
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