Staff Antenna/ RF Systems Engineer

Fi Money; Boston (MA); On-site; USD 120,000 - 180,000; Full time

Job summary

Fi Money in Boston is seeking an Antenna Engineer to own antenna design end-to-end for our connected hardware. You will work from system architecture through mass production, partnering with electrical, mechanical, and product teams to solve constraints around size, power, reliability, and manufacturability.

The role focuses on RF design, antenna integration, tuning, and validation, setting the technical foundation for Fi's next generation of high-volume devices used by pets and their owners.

Qualifications

• Bachelor's degree in EE or related field.
• Experience with RF design, antenna integration, and validation.
• Strong collaboration and problem-solving skills.

Responsibilities

• Own antenna design end-to-end for connected products.
• Collaborate with electrical, mechanical, and product teams.
• Balance size, power, reliability, and manufacturability constraints.

Skills

RF design

Antenna engineering

System architecture

Tuning

RF validation

Education

Bachelor's degree in Electrical Engineering

Job description

Welcome to Fi.

We're a passionate team from Square, Google, Oura, Peloton, Uber, and more working to transform the human-pet relationship. Our mission? Develop cutting-edge technology to revolutionize what it means to be a pet parent. The pet industry remains firmly stuck in the past and we are here to change that. Fi is leveraging our team's talent and expertise to improve the lives of millions of pets in the U.S. Real-time location tracking, activity, sleep and behavior monitoring – and that's just the beginning.

The most exciting aspect of our work? Bridging the communication gap between pets and humans. Imagine a world where everyone knows how their pet feels in real time and how to keep their best friend in good shape. That's the future we're building at Fi.

If you're someone who thrives in innovative, collaborative work environments and feels strongly about helping pets live longer, better lives, Fi could be the perfect fit. Join us in our pursuit of the "impossible", or as we call it here "let me find a way", to redefine the future of pet ownership together.

Fi is looking for an Antenna Engineer!

Fi is looking for an Antenna Engineer to own antenna design end-to-end for our connected products, shaping how they perform in the real world, not just on paper. You'll work from early system architecture through mass production, partnering closely with electrical, mechanical, and product teams to solve hard constraints around size, power, reliability, and manufacturability. The work spans RF design, antenna integration, tuning, and validation, and directly sets the technical foundation for Fi's next generation of high-volume consumer hardware operating at scale.