Designs small-satellite PCBs from schematics to manufacturing release, balancing signal integrity, thermal and structural constraints, with test findings feeding design rules and reviews.
About this role
This position develops timekeeping and frequency systems for satellite-hosted positioning payloads supporting LEO-PNT (Low Earth Orbit Positioning, Navigation, and Timing) and LNSS (Lunar Navigation Satellite System). It covers high-stability oscillators, timekeeping control, and synchronization architectures between satellites and ground systems.
Responsibilities include evaluating TCXO, OCXO, RAFS, and Cs/Rb standards; coordinating with manufacturers and procurement agents; designing inter-satellite and satellite-ground comparison methods, PLL and frequency-distribution circuits, and timing protocols such as NTP and White Rabbit. The engineer analyzes frequency stability, phase noise, and Allan deviation, contributes to the payload timing-error budget, and uses Python or MATLAB, precision frequency instruments, Windows/Linux, and Git/GitHub in the listed workflow. Much technical work and company communication is in Japanese, and international team members are expected to be willing to learn Japanese and communicate across language barriers.
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