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oneNav, Inc. • Sunnyvale, California, United States
Role & seniority: Senior RF Design and Test Engineer (RF hardware R&D focus)
Stack/tools: RF/microwave circuit design; GNSS receiver silicon/modules; Python (automation), MATLAB, C/C++; lab tools (VNA, spectrum analyzer, signal generators, scopes); PCB design (Altium preferred); RF modeling/tools (ADS); FPGA toolchains (Xilinx XSDK/Vitis); test automation via Python scripts
Design RF/microwave circuits and systems integrating oneNav’s GNSS silicon/modules
Develop/execute experiments to evaluate receiver sensitivity and interference immunity; design test boards and customer evaluation PCBs; perform manual and automated hardware testing
Lead debugging and bring-up of RF, analog, and mixed-signal hardware; develop test procedures and automation scripts
Must-have skills: MS in Electrical Engineering or equivalent; 6+ years RF hardware R&D experience; 3+ years Python programming; hands-on lab skills with generators, VNAs, spectrum analyzers, oscilloscopes; experience integrating high-volume RF/microwave or high-speed mixed-signal silicon or RF modules; proficiency in Python, MATLAB, and/or C/C++
Nice-to-haves: GNSS receiver experience; Altium or similar PCB tools; understanding of RF impairments (phase noise, nonlinearity, IQ imbalance); RF performance modeling (ADS or similar); antenna/EM tool experience (HFSS); high-SI microwave module/PCB design; Xilinx FPGA tools; experience in high-volume mobile/wearable/IoT produ
Job Description We are seeking a Senior RF Design and Test Engineer to support the hardware integration and validation of highly integrated custom GNSS receiver silicon and modules developed by oneNav. As part of a small, highly experienced team of RF, Digital Hardware, and GNSS software engineers, you will tackle exciting technical challenges and deliver high-impact solutions to both internal stakeholders and external customers. Success in this role requires strong technical depth, clear communication, independent thinking, and effective collaboration in a fast-paced environment.
Location: Sunnyvale, CA
Employment type: Full-time
Responsibilities Design RF/microwave circuits and systems integrating oneNav’s custom GNSS silicon. Develop and execute experiments to analyze and enhance receiver sensitivity and interference immunity. Design test boards and customer evaluation PCBs. Perform manual and automated testing of receiver hardware (RF and digital). Develop test procedures and create Python-based automation scripts using test hardware APIs. Lead debugging and bring-up of RF, analog, and mixed-signal hardware.
Minimum Qualifications
M. S. degree in Electrical Engineering or a related field, or equivalent practical experience.
Preferred Qualifications Experience with GNSS receiver technology. Experience with Altium or similar schematic capture and PCB layout tools. Understanding of RF receiver impairments (phase noise, nonlinearity, IQ imbalance, etc.) Experience with RF performance modeling using standard (e.g. Keysight ADS) or custom tools. Antenna design experience using state-of-the-art simulation tools (e.g., HFSS). Experience designing high-signal-integrity microwave modules or PCBs. Familiarity with Xilinx FPGA development tools (XSDK, Vitis). Experience in development and manufacturing of high-volume mobile, wireless, wearable, or IoT applications.
What We Offer A multicultural, international team and a collaborative, flat culture Project-based global work and exposure to cutting-edge L5-direct™ GNSS and AI technologies A true start-up environment with innovation time, fast decision-making, and direct access to leadership Career growth through regular development discussions, training, and high-visibility opportunities Competitive compensation with stock options to share in oneNav’s long-term success Startup-style perks, team events, and a friendly, supportive environment
About the Team oneNav is powered by a world-class group of GNSS innovators and engineers, bringing together leading talent from industry giants such as Qualcomm, Apple, Intel, SnapTrack, SiRF, and Trimble. Our team members have spent decades advancing the state of satellite navigation and mobile technology, contributing deep expertise in GNSS system architecture, multipath mitigation, advanced signal processing, ASIC development, and modern AI/ML techniques. Collectively, our engineers have authored more than 200 patents throughout their careers, underscoring a long history of driving breakthrough innovation in positioning technologies. Backed by top-tier investors—including Norwest Ventures, GSR Ventures, and Google Ventures—oneNav combines technical excellence with strong industry support.