Senior Antenna Engineer

<h3><strong>ABOUT US</strong></h3> <p>At RADAR, we're transforming the way the world thinks about physical retail. RADAR has raised over $104M from top investors, retailers, and strategics and works with some of the world's retail brands including American Eagle and Gap. We’re building the future of in-store experience where every product and every person can be precisely located in real time.</p> <p>Our platform combines RFID and AI to unlock hyper-accurate product visibility and automation at scale. From real-time inventory tracking to seamless checkout experiences, our technology empowers some of the world’s largest retailers to streamline operations, reduce loss, and elevate both employee and customer experiences.</p> <p>We’re a fast-growing, mission-driven startup where bold ideas, collaboration, and impact are at the core of everything we do. Join us as we reshape the physical world with digital precision, starting with retail and expanding far beyond!</p> <h4><strong>OUR VALUES</strong></h4> <p><strong>Mission-Driven</strong>: We're transforming retail with cutting-edge technology and building something that truly matters.</p> <p><strong>Collaborative Team</strong>: We thrive on curiosity, shared goals, and solving complex problems together.</p> <p><strong>High Impact</strong>: You’ll make meaningful contributions from day one and help shape the future of our product and company.</p> <p><strong>Clear Communication</strong>: We value honesty, humility, and respectful dialogue—everyone’s voice matters.</p> <p><strong>Balanced Lives</strong>: We work hard, but not at the expense of well-being. We respect time, boundaries, and life outside of work.</p> <p><strong>Diverse Perspectives</strong>: We believe better ideas come from diverse backgrounds, experiences, and viewpoints.</p> <p><strong>Empathy-Driven Design</strong>: We build with deep respect for our end users, listening closely to their feedback and needs.</p> <h3><strong>ABOUT THE JOB</strong></h3> <p>In this role, you will lead and execute the design, development, and evaluation of next-generation RFID sensor antennas. You will be responsible for the full development lifecycle–from initial simulation-first modeling and multi-element array synthesis to hands-on validation in anechoic environments and site-specific propagation analysis. You will also work closely with cross-functional teams spanning hardware, RF systems, and product engineering to deliver robust, scalable RFID sensor-antenna solutions.</p> <h4><strong>Responsibilities:</strong></h4> <ul> <li>Design, simulate, and optimize custom RFID sensor antennas, including single-element and multi-element array configurations using electromagnetic simulation software.</li> <li>Perform full-wave electromagnetic simulations to evaluate antenna performance metrics including impedance matching, radiation patterns, efficiency, isolation, polarization, and coupling of antenna designs.</li> <li>Utilize ray-tracing software (e.g., Remcom’s WirelessInSite) to predict system performance and signal coverage in complex store environments.</li> <li>Conduct precise antenna calibration and performance characterization in an anechoic chamber.</li> <li>Oversee the fabrication of PCB-based antennas and seamless integration with RF front-end components.</li> <li>Work alongside hardware and software teams to integrate antenna solutions into compact sensor form factors.</li> </ul> <h3>ABOUT YOU</h3> <h4><strong>Required</strong>:</h4> <ul> <li>You have a BS degree or higher in Electrical Engineering, Applied Physics, or a related field.</li> <li>You have 10+ years of relevant industry experience in antenna design and RF systems.</li> <li>You have a strong background in electromagnetics and antenna theory.</li> <li>You have proven expertise with full-wave electromagnetic simulation tools (e.g., FEKO, HFSS, CST, or similar).</li> <li>You have direct experience designing and evaluating multi-element antenna arrays.</li> <li>You have exp ... (truncated, view full listing at source)