Satellite Communications Network Architect

This role leads the definition of end-to-end satellite communication network architecture for NTN services combining small-satellite communication constellations with terrestrial networks. The architect covers inter-satellite links, satellite-HAPS links and ground networks, and translates service requirements into designs across optical communications, RF communications, network control and ground segments.

Responsibilities include analyzing use cases, defining service requirements, designing network architecture with latency, throughput and availability targets, decomposing system requirements, and developing network topology, redundancy and operational concepts. The role also leads technical trade-offs, proof-of-concept planning and design reviews, and coordinates technical matters with domestic and international partners, telecommunications carriers and related vendors.

The position is intended as a candidate for a future leadership role overseeing the full scope of these activities. The posting states that candidates do not necessarily need to possess every skill listed in the preferred-skills section at the time of joining.

Named tools and technologies include Windows, Linux, GitHub, GitHub Projects V2, GitHub Issues, Redmine, Git, C, C++, Python and MATLAB. Network simulation tools such as NS-3 are also being considered, including examination of tool selection. A company-designated PC is provided according to the employee’s preference.

The workplace is the Ariake office in Koto, Tokyo. Work is basically office-based, with partial remote work available. The stated selection process is document screening, a first interview, a second interview with an aptitude test, and a final interview.