Intern, Firmware Engineering
- Level
- Intern
- Work type
- On-site · Scotts Valley
Not stated in the posting: salary, visa.
Open. First seen 19 October 2026.
About the role
What to Expect
Heron Power's standard text
Heron Power is a startup company building cutting-edge power electronics for the 21st-century grid. We aim to debottleneck the growth of electricity generation and consumption with scalable, innovative, and less costly hardware solutions, accelerating the electrification of everything.
Our first focus goal is to build better converters (inverters & rectifiers) to connect large-scale renewables, storage, and loads to the grid. Heron Power’s leadership team is made up of seasoned veterans who have designed and shipped gigawatts of power conversion products over the past decade.
Heron Power's standard text
We understand that no one individual knows everything. We will all learn a lot together and from each other. We strive to build a collaborative, enriching environment conducive to personal, technical, and career growth. You can expect to work in a dynamic and collaborative environment, driven by first principles engineering, solving difficult problems.
Job Overview
As an Intern, Firmware Engineering, you will be responsible for developing and testing embedded firmware for our power conversion products. Additionally, you will help with hardware bring-up, test automation and development tooling, working alongside experienced firmware and hardware engineers.
How You Will Contribute
- Write and debug embedded C firmware for microcontrollers
- Implement test cases and automate test execution, including unit tests, hardware-in-the-loop tests and real hardware bench tests
- Hardware bring-up and firmware debugging using lab/debugging tools
- Improve build, test and development tooling
- Write clear documentation and take part in code reviews
What You Will Bring
We have a short list of must-have requirements. We prioritize a strong grip on first principles, hands-on skills, and a sense of initiative. Domain-specific knowledge and experience will help determine the career level for each hire.
Must-Have Requirements
- Currently pursuing a BS or MS in Electrical Engineering, Computer Engineering, Computer Science or a related field
- Good C/C++ programming skills
- Some embedded experience from coursework, clubs or personal projects
- Basic Python for scripting
- Familiarity with Git, or any version control tools
Nice-to-Haves
- Experience with microcontrollers and common peripherals (ADC, PWM, UART, SPI, CAN)
- Familiarity with any RTOS or real-time programming
- Lab tools such as an oscilloscope or debugger
- Interest in power electronics or energy
Heron Power's standard text
If you are passionate about technology and enjoy working in a fast-paced environment, we would love to hear from you. Join us in accelerating the electrification of everything at Heron Power.
What this role asks for
Particular to this role
C · Git · RTOS
Rare in Heron Power's other 39 open postings.
Standard for embedded / hardware roles
C++ · Embedded Systems · Python
Common in embedded / hardware postings at any company.
68% of this description is written for the role. The rest is Heron Power's standard text, folded away below.
Compared with Heron Power's other open jobs.
The team: Engineering HIRES STEADILY
This role is one of 28 open in Engineering. 10 were posted in the last 30 days and the oldest in February: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Embedded Systems (16 of 28), Python (14 of 28), MATLAB (9 of 28), Simulink (8 of 28), PCB Design (7 of 28), Test Automation (7 of 28), CATIA (6 of 28)
OTHER ROLES ON THIS TEAM
- Senior/Staff Mechanical Engineer, Power Electronics posted Oct 15
- Senior/Staff Power Electronics Engineer posted Oct 13
- Senior/Staff Electronics Design Engineer posted Oct 13
- Senior/Staff Manufacturing Engineer posted Oct 9
- Senior/Staff Software Engineer, Connected Systems posted Oct 9
- Intern, Power Electronics Controls Engineer (Spring /Summer 2027) posted Oct 7
- Intern, Medium Voltage Test Engineering posted Sep 30
- Intern, Electrical Engineering (Compliance) - Spring 2027 posted Sep 29
- Electrical Engineer - Manufacturing Test posted Sep 26
- Hardware Validation Systems Developer posted Sep 25
- Test Engineer – Power Electronics posted Sep 25
- Electrical / Electronics Design Engineer - PCBA Test Automation posted Sep 25
- R&D Engineering Technician posted Aug 27
- Technical Program Manager - Power Electronics posted Aug 25
- Reliability Engineering Lead posted Aug 20
- Software Engineer/Senior Software Engineer posted Aug 13
- Senior/Staff Mechanical Engineer, Industrial Enclosures posted Aug 6
- Intern, Automation Controls Engineer (Spring 2027) posted Jul 31
- Staff Engineering Program Manager posted Jul 29
- Staff/Senior Staff Software Engineer posted Jul 13
- Electronics Design Engineer posted Jun 12
- Intern, Power Electronics Engineer, Spring/Summer 2027 posted Jun 12
- Intern, Mechanical Engineer (Spring/Summer 2027) posted Jun 1
- Intern, System Integration & Test Automation (Spring 2027) posted May 11
- Engineering Technician posted Apr 23
- Intern, Power Electronics Engineer, Power Magnetics, Spring 2027 posted Feb 24
- Staff/Senior Staff Compliance Engineer posted Feb 24
From the team and dates on Heron Power's own job board.
Similar jobs
- Firmware Engineering Intern [Winter 2027] at Figure
Shares 6 skills: RTOS, C, Embedded Systems… · Intern level · same country - Avionics Embedded Software Engineer - Summer Internship 2027 at Inversion
Shares 7 skills: RTOS, C, Embedded Systems… · Intern level · same country - 2027 Summer Intern, BS/MS, Embedded, Software Engineer at Waymo
Shares 7 skills: RTOS, C, Embedded Systems… · Intern level · same country - Software Engineer I, Firmware at Brain Corp
Shares 6 skills: RTOS, C, Embedded Systems… · same country - Engineering Intern / Co-op at OceanComm, Inc.
Shares 6 skills: RTOS, C, Embedded Systems… · Intern level · same country - Senior/Staff Power Systems Engineer, Grid Interconnection at Heron Power
Also at this company
Is this your posting? Email info@careerholo.com to have it removed.