recruyt is hiring: Senior Radio Frequency Engineer in San Francisco

Direct message the job poster from recruyt Stealth-mode startup. Mission-critical tech. Ground-floor opportunity. Our client is an early-stage, stealth-mode company building a new kind of control plane for the physical world — blending hardware, software, and wireless sensing into one unified system. Their work enables real-time awareness, autonomous operations, and next‑gen physical security for high-value assets. They’re backed by top investors and led by a founding team with backgrounds from Anduril, Tesla, Uber, and U.S. Special Forces. We’re looking for a Lead RF Engineer to lead the design, development, and deployment of a modular software‑defined radio platform that powers a next‑gen wireless mesh sensing network. What you’ll do Architect and build our SDR platform — from analog front‑end to software stack Lead systems‑level trade studies (RF topology, link budgets, SWaP, build vs. buy) Prototype and debug hardware for fast iteration and field testing Define RF capabilities, constraints, and performance requirements Collaborate closely with product, electrical, and firmware teams Hire and lead the RF team as we scale from concept to full deployment Drive manufacturing and RF system testing at scale What we’re looking for Hands‑on experience designing SDR systems (RF front‑end, PA systems, filters, antennas) Deep familiarity with Wi‑Fi protocols, mesh networking, and OpenWRT Strong systems thinking: tradeoffs, architecture, and integration Prior experience building and leading RF teams Ability to move fast, build prototypes, and operate with limited direction Bonus: exposure to high‑scale manufacturing and ruggedized RF deployment You’ll define the RF backbone of a mission‑critical sensing platform. This is a chance to build real, tangible tech — with autonomy, speed, and impact from day one. Seniority level Mid‑Senior level Employment type Full‑time Job function Computer and Network Security, Defense and Space Manufacturing, and Security and Investigations Referrals increase your chances of interviewing at recruyt by 2x Get notified about new Senior Radio Frequency Engineer jobs in San Francisco Bay Area . #J-18808-Ljbffr