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Prelude Ventures
Prelude Ventures

Principal Firmware Engineer

Natron Energy

Natron Energy

Other Engineering
Santa Clara, CA, USA
Posted on Thursday, September 28, 2023
Natron Energy is seeking a Principal-level firmware engineer to support the full product cycle of its high-power battery systems for Data Center UPS and EV charging applications. The occupant of this position will work in a team of engineers (and help lead some) 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 that 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. Position level and compensation commensurate with experience and background.


  • 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:

  • Computer Science, Computer Engineering, or Electrical Engineering bachelor’s degree, master’s preferred
  • Minimum 5 years of experience in embedded software/firmware and device driver development
  • Experience in developing firmware on a variety of microprocessors, including 32-bit and also smaller
  • Proficiency in C and assembly
  • Experience debugging code on a mixed analog/digital boards, and determining whether an issue is in firmware or hardware
  • Experience in firmware development for BMS or related energy systems is desired
  • Experience architecting firmware, knowledge of firmware/hardware design trade-offs, and knowledge of firmware optimization techniques is preferred

Compensation/Pay Transparency:

  • Base Salary is determined by the applicant’s experience, knowledge, skills, and abilities, as well as internal equity and alignment with market data.
  • 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 $180,500 and a maximum of $212,500 annually.
About Us:
Natron Energy (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.
If you need assistance or an accommodation due to a disability, you may contact us at: jobs@natron.energy