Fi · 18 hours ago
Staff Antenna/ RF Systems Engineer
Fi is a company focused on transforming the human-pet relationship through cutting-edge technology. They are looking for a Staff Antenna/RF Systems Engineer to own antenna design from concept to production, ensuring optimal performance and integration in their connected products.
Artificial Intelligence (AI)ConsumerPetWearables
Responsibilities
Own end-to-end antenna design for Fi products, from proof-of-concept through mass production
Lead antenna architecture and contribute to overall system architecture, including RF component selection, schematic capture, and RF PCB layout
Design, optimize, tune, and validate antennas to meet aggressive constraints around size, performance, reliability, and manufacturability
Work closely with mechanical, industrial design, firmware, leadership, and overseas engineering teams to ensure seamless antenna integration into the product
Push antenna performance using a mix of best practices, state-of-the-art approaches, and novel designs where needed — because every dB matters
Partner directly with overseas CM/JDM teams on antenna implementation, performance testing, compliance, and production ramp
Qualification
Required
8+ years of experience designing electrically small antennas for consumer electronics or similar products
Bachelor's or Master's degree in Electrical Engineering or a related field
Proven ability to translate product-level connectivity requirements into RF system and antenna requirements, including managing external consultants and fabrication vendors as needed
Deep hands-on experience with custom antenna design in the ~600 MHz to 3 GHz range, including multiband designs, polarization control, antenna isolation in close proximity, and performance optimization near human or animal tissue
Strong understanding of antenna integration, including use of enclosures and mechanical structures as part of the antenna system
Experience across common antenna fabrication methods and materials, including LDS, FPC, PCB, stamped metal, and ceramic chip antennas, with an understanding of material tradeoffs
Comfort building scrappy prototypes using rapid methods such as hand-formed copper, milling, or 3D printing
Proficiency with 3D electromagnetic simulation tools for antenna design
Strong RF lab skills, including conducted and radiated measurements, antenna tuning, and managing cable effects when testing electrically small antennas
Experience operating semi-anechoic chamber testing and supporting regulatory and compliance testing
Ability to design simple schematics and PCBs to support antenna prototyping and test
Familiarity with firmware and software requirements for RF validation, including sensitivity metrics like BER and PER, and comfort using scripts (e.g., Python) for test automation or analysis
Proven track record leading antenna designs from prototype through mass production
Willingness to travel to China as needed
Preferred
A passion for dogs is a plus — our NYC office is dog-friendly
Benefits
Enjoy flexible PTO to take the breaks you need.
We’ve got your back (and teeth and eyes) with full medical, dental, and vision insurance.
Free access to One Medical, Kindbody, and Talkspace to keep you feeling your best.
Bring your pup to work — they’re part of the team, too.
Make tails wag with a $500 annual donation to a dog charity of your choice through our BarkBack Program.
Your furry best friend(s) get all the benefits of a Fi collar, on us!
Share the Fi magic with loved ones through our gifting program.
Company
Fi
Fi is the leading provider of GPS and AI enabled wearable devices for dogs and cats.
H1B Sponsorship
Fi has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (1)
2023 (2)
Funding
Current Stage
Growth StageTotal Funding
$40MKey Investors
LongView Asset ManagementRRE VenturesLerer Hippeau
2021-02-25Series B· $30M
2019-03-14Series A· $7M
2017-12-01Seed· $3M
Recent News
2025-12-18
2025-10-26
Company data provided by crunchbase