Staff Electrical Engineer

San Francisco, CA /
Technology – Hardware /
Who We Are

Tonal is the smartest home gym and personal trainer. It has completely revolutionized the way people work out at home, with its sleek design and advanced A.I. technology. We’ve united a diverse team of experts and decades of research to reinvent strength training, making it more efficient, more effective and more engaging. 

With this in mind, we want to bring that same innovative approach to the workplace. At Tonal, we continue our shift of emphasis by growing our instrumental team. We collectively weave our knowledge and creativity, as we redefine the future of fitness. We are passionate about building products that transform lives, and building teams that transform the status quo. Together, we can be our strongest.  


The Tonal hardware system consists of complex electrical and electro-mechanical sub-components.  The electrical system includes everything from high-speed digital processors to low-power microcontrollers with integrated/discrete wifi/BT radios. It has complex power architecture which includes motor control, sensors, audio and camera systems.  

Tonal is looking for a Staff Electrical Engineer to make key improvements to our existing groundbreaking products to meet the quality, reliability, and cost goals of Tonal. Your engineering expertise will be invaluable in all phases of concept, prototyping, test, and iteration through to high volume production. You will work within the Ongoing Product Improvement organization to identify and execute on improvements to existing Tonal products.

What You Will Do

    • Play a critical role maintaining designs that have post launch design requirements
    • Qualify 2nd source parts or sub-systems
    • Support the factory as needed
    • Managing and executing changes that are planned
    • Overseeing problems that may come up due to supply issues (ex. simple 2nd source component qualification, sub-system replacement, and EMC testing)
    • Work cross-functionally with Design team and other EEs

Who You Are

    • 10+ years of relevant experience in hardware systems development and integration
    • Bachelor's or Master's degree in Electrical Engineering
    • Experience as a generalist electrical engineer who is capable of working with digital and power systems
    • Proven technical leadership with experience maintaining a product
    • Have been part of a team that has delivered hardware to product by using a contract manufacturer
    • Hands-on skills to test and validate 
    • Great at troubleshooting, with skills to help flesh out issues and propose changes as needed
    • Well-organized and enjoy working in a fast-paced dynamic environment
    • Excellent verbal and written communication skills
    • Experience designing boards with ARM processors and microcontrollers
    • Knowledge of EMI, signal integrity, and power systems
    • Knowledge of standard interfaces (USB, SPI, I2C, LVDS, PCIe, etc)
    • Experience in PCB design, schematic capture, and layout (we use Altium)
At Tonal, we believe that the unique and varied lived experiences of our teammates contribute to our overall strength. We don’t just appreciate differences, we celebrate them, and we always seek people that represent a wide variety of backgrounds. We’re dedicated to adding new perspectives to the team and designing employee experiences that contribute to your growth as much as you do to ours. If your experience aligns with what we’re looking for (even if you don’t check every single box), send us your application. We would love to hear from you!
Tonal is committed to meeting the diverse needs of people with disabilities in a timely manner that is consistent with the principles of independence, dignity, integration and equality of opportunity. Should you have any accommodation requests, please reach out to us via our confidential email, All requests will be addressed and responded to in accordance with Tonal’s Accessibility Policy and local legislation.