Posted on:September 4, 2026

Embedded Firmware Engineer at Electric Hydrogen

Electric Hydrogen is hiring a Embedded Firmware Engineer in San Jose, CA, US. On-site. Pay: USD 154k-181k/yr.

About Electric Hydrogen

Electric Hydrogen designs and manufactures high-power PEM electrolyzers and complete electrolyzer plant solutions for producing clean hydrogen. The company's HYPR Plant integrates all required subsystems and is pre-engineered for on-site assembly. Its U.S. gigafactory in Massachusetts has a manufacturing capacity of 1.2 GW per year. Founded in 2020 and based in California and Massachusetts, the company aims to enable cost-effective green hydrogen production powered by renewable energy for industrial decarbonization.

Embedded Firmware Engineer job description

Electric Hydrogen’s mission is to decarbonize our world! Our outstanding people deliver creative decarbonization energy solutions to our customers.

We are seeking an Embedded Firmware Engineer to develop real-time firmware for our power electronics products as well as auxiliary (non-power) electronics. This role will work across the full embedded development lifecycle, from board bring-up and driver development through control algorithm implementation and system communications.

This position will work closely with electrical, power electronics, controls, and systems engineering teams to develop reliable embedded solutions for Electric Hydrogen’s products.

Primary Responsibilities

  • Develop and debug low-level, real-time, low-latency firmware in C
  • Perform board bring-up, debugging, testing, and code optimization
  • Develop and maintain device drivers and hardware interfaces
  • Implement control algorithms for power electronics products and auxiliary electronics
  • Design and implement protocols for system communications
  • Troubleshoot firmware and hardware interactions using oscilloscopes, logic analyzers, and other laboratory equipment
  • Write and maintain software specifications, design documentation, and technical documentation
  • Collaborate with electrical, power electronics, controls, and systems engineers throughout product development and testing

Qualifications

  • BS or MS in Electrical Engineering, Computer Engineering, Computer Science, or a related technical field, or equivalent practical experience
  • For mid-level candidates, 3+ years of professional firmware or embedded software development experience; strong academic, project, or internship experience in embedded systems will be considered for junior-level candidates
  • Experience developing low-level embedded firmware in C
  • Experience with embedded systems development tools, including compilers, debuggers, and IDEs
  • Experience with version control and issue-tracking tools such as Git and Jira
  • Experience with communication protocols such as CAN, Modbus, and Ethernet
  • Experience developing device drivers using hardware interfaces such as ADC, GPIO, PWM, UART, SPI, and I2C
  • Hands-on experience with oscilloscopes, logic analyzers, and similar laboratory equipment
  • Knowledge of automated build systems is a plus
  • Knowledge of the design and implementation of power electronics control loops is a plus
  • Basic knowledge of Linux environments is a plus, particularly for development toolchains, GUIs, build systems, logging, and testing tools

#LI-Hybrid

Compensation and Benefits | P3

San Jose Zone
$154,000$181,000 USD

Actual base salary offered to the hired applicant will be determined based on their work location, level, qualifications, job-related skills, as well as relevant education or training and experience.​

Base salary is just one part of Electric Hydrogen’s total rewards package. We feel strongly that our team should not have to worry about having quality healthcare. In addition to the base salary offered, the hired applicant may receive:​

  • an equity grant​
  • time off programs​
  • a $75/month cell phone allowance​
  • a 4% employer 401(k) match​
  • access to competitive medical, dental, vision, life insurance, short-term & long-term disability plans
  • a discretionary bonus​

Electric Hydrogen’s benefits programs are subject to eligibility requirements.

About Electric Hydrogen

Electric Hydrogen is a team of the world's experts in scaling technologies for the post-carbon world, with a proven record in transforming the grid and transportation sectors. Backed by some of the world's top venture capital firms, we design and manufacture electrolytic hydrogen systems matched to renewable power sources to create green hydrogen by splitting water. We are building a cost-effective and transformative path between renewable energy and multiple large industrial sectors. Abundant and low-cost renewable energy sources will power the world, and Electric Hydrogen technology will use this energy to decarbonize industry through sustainable materials. We were founded in 2020 and are based in California and Massachusetts.

Electric Hydrogen is proud to be an equal opportunity employer. We are dedicated to building a diverse, inclusive, and authentic workplace for all to belong. We are aware that people from historically underrepresented groups are less likely to apply if they don't meet 100% of the job requirements. We are actively working on efforts to change this social norm. If you are excited about this role, we encourage you to apply!

Apply now

Applications go straight to Electric Hydrogen. We never sit between you and the employer.

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