Sofar Ocean logo

Senior Firmware Engineer

Sofar Ocean

Hybrid
San Francisco, CA
Full-time
Senior
Manager
5+ yrs
$147k–$200kPosted 6h ago

Real job — pulled straight from Sofar Ocean’s careers page · Verified August 13, 2026 · No reposts.

Job description

Sofar Ocean is hiring a Senior Firmware Engineer — a full-time, based in San Francisco, CA role ($147k–$200k). Apply directly on Sofar Ocean's careers page below.

Senior Firmware Engineer

Department: Engineering

Location: San Francisco

Compensation: $147K – $200K • Offers Equity

Employment Type: FullTime

The Role

You will be a key contributor to the embedded firmware design and implementation of all our hardware products: Spotter, Smart Mooring, next generation platforms and Sofar’s new open hardware connectivity stack — Bristlemouth https://www.bristlemouth.org. You thrive in small and collaborative multidisciplinary teams, and are eager to pitch in to debug and solve gnarly issues. You take pride in your craft. You strive to improve the health of our oceans and planet by shipping a cohesive, elegant and impactful product.

This role will be working onsite from our Pier 28 office at least 3 days per week and reporting to our Senior Engineering Manager.

Some projects you’ll be a part of:

  • Building new Bristlemouth integrations for Spotter and Smart Mooring and evolving the open source Bristlemouth core APIs

  • Collaborating cross-functionally to build new features on existing platforms

  • Developing next generation platforms

  • Advanced research and experiments with new and emerging technologies

  • Integrated system testing, open ocean deployments, and the occasional throwing of things out of airplanes to see what breaks


Responsibilities

  • Design and implement efficient and maintainable FreeRTOS firmware with automated unit and integration tests in a mix of C and C++

  • Break down complex efforts into parallelizable work streams for your team

  • Implement host-side test, analysis and automation tools in Python

  • Participate in code reviews, brainstorms and whiteboard sessions with your team

  • Write crystal clear specifications and documentation for both external users and internal colleagues

  • Work alongside electrical and mechanical engineers in designing, integrating, testing and debugging systems

  • Advocating for the highest leverage features and fixes in product prioritization conversations

  • Execute frequent releases for internal proprietary firmware as well as open source Bristlemouth firmware, following test plans, building installers, writing release notes, and announcing the releases in friendly and inviting communications for wide audiences


Minimum Job Qualifications

  • Excellent communication and collaboration skills

  • Strong systems thinking ability

  • Solid foundation of software architecture principles

  • At least 5+ years of professional embedded firmware/software experience

  • Prior experience as a tech lead for a firmware team

  • Fluent in embedded C and C++

  • Comfortable in Python

  • Experience with FreeRTOS

  • Breadth of technology experience including multiple embedded platforms

  • An understanding of common hardware peripherals and interfaces

Bonus Points

  • Experience with multiple forms of radio telemetry

  • Experience with IPv6 networking

  • Experience with ARM Cortex-M0, M4, and M33 cores

  • Past work in IoT, robotics, drones and/or automotive products

  • A passion for or connection to the ocean

 

Get Embedded Engineer jobs like this

New roles from thousands of companies land hourly, straight from their careers pages. Get the freshest matches by email so you never miss one.

Email me new jobs
Clera logo

Founding Engineer

Los Angeles, CA
✓ From careers page· 9m ago
Clera logo

Cloud Infrastructure Engineer

San Mateo, CA
✓ From careers page· 9m ago
Cubic logo

Digital Twin Engineering Team Lead

$202k–$220kAshburn, VA
✓ From careers page· 11m ago
Cubic logo

Global Security Senior Manager, Crisis Management & Executive Protection

$129k–$158kSan Diego, CA
✓ From careers page· 11m ago

Frequently asked questions

What is the salary for Senior Firmware Engineer at Sofar Ocean?

The estimated salary range for Senior Firmware Engineer at Sofar Ocean is $147,000 - $200,000 USD per year.

What skills are required for Senior Firmware Engineer at Sofar Ocean?

The required skills for Senior Firmware Engineer at Sofar Ocean include: C, C++, Python, Embedded Systems, IoT.

What is the seniority level for Senior Firmware Engineer at Sofar Ocean?

Senior Firmware Engineer at Sofar Ocean is a Senior / Manager level position.

How do I apply for Senior Firmware Engineer at Sofar Ocean?

You can view the full description and apply for Senior Firmware Engineer at Sofar Ocean on EchoJobs: https://echojobs.io/job/sofar-ocean-senior-firmware-engineer-1beg6.