We’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more. As part of the global ALTEN Group—57,000+ engineers in 30 countries—we deliver across the entire product development cycle, from consulting to full project outsourcing. When you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow. Location: On-site in Mountain View, CA with potential for Hybrid Job Duration: 6 months, with potential extension to a long-term role if candidate is strong in PCB design Salary: $140-160l Our client is the first non-military unmanned aircraft company to receive FAA Type Certification (2022) and operate under an FAA Production Certificate. We're seeking an RF Engineer to own the wireless links — LTE/5G, GNSS, ISM datalinks, Wi-Fi/BLE, ADS-B, and Radar — across our M3 aircraft, docks, and portals, keeping them robust in dense urban environments. Responsibilities      • Define RF architecture and requirements, including radio selection, antenna placement, and link budgets     • Design and review RF front-end circuitry and PCB layout with Electrical Engineering     • Integrate antennas with Mechanical, optimizing pattern, isolation, and airframe effects     • Resolve coexistence, interference, and desense issues across radios, compute, and power electronics     • Characterize performance on the bench, in chamber, and in flight test; define production RF test     • Support FCC, CE/UKCA, and carrier certification and triage field connectivity issues Required Qualifications      • BS in Electrical Engineering (or related)     • 5+ years of hands-on RF hardware design and integration on production products     • Strong RF fundamentals: link budgets, matching, noise figure, antennas, and propagation     • Experience integrating cellular, GNSS, and/or ISM-band radios and mitigating coexistence     • Proficiency with VNAs, spectrum analyzers, and RF simulation tools (e.g., ADS, HFSS, CST) Preferred Qualifications      • UAV, aviation, or robotics experience; familiarity with C2 link and Remote ID/ADS-B requirements     • MS in EE with RF/microwave focus; FCC/PTCRB and OTA chamber experience     • Python or MATLAB for test automation and data analysis Salary Range     • $140,000 - 160,000     • The actual salary offered is dependent on various factors including, but not limited to, location, the candidate’s combination of job-related knowledge, qualifications, skills, education, training, and experience  All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, genetic information, or pregnancy. Please beware of job seeker scams and see this important notice on our careers page for more information about our recruiting process. Compliance Notice: Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. Drug Screening Requirement: As a federal contractor, Alten USA maintains a drug-free workplace. All candidates selected for employment will be required to successfully complete a pre-employment drug screening as a condition of hire.