Interstellar Technologies

Lead internal communications and engagement initiatives, plan company-wide events, support recruitment PR and employer branding, and build cross-departmental systems that strengthen company culture.

Works with executives and the planning-group leader on government relations and corporate strategy, preparing proposals, researching policy, monitoring regulations, and developing plans and analyses.

Develop and execute frequency acquisition strategies for an LEO satellite communications business, manage spectrum retention, negotiate with Japanese government agencies, and analyze international regulations and competing filings.

Develop and manage internal regulations, support shareholder and board meeting operations, build compliance processes, and improve legal workflows using Hubble mini, KiteRa, smartround, and Slack.

Lead equity and debt financing initiatives, build investor and financial-institution relationships, support due diligence and negotiations, develop IR plans, and manage funding plans and cash reporting.

Support the legal group with contract workflow operations, electronic contract distribution, document filing and data organization, intake of contract review requests, and rules and business-partner administration.

Lead the communications satellite business by managing P&L, developing revenue plans, winning customers and partners, securing government projects, and building the business team.

Build cost-planning processes for the ZERO small satellite launch rocket, set target costs, analyze estimates, and drive cost-reduction initiatives with design, procurement, and manufacturing teams.

Manage procurement for rocket development, including purchase orders, supplier delivery coordination, receiving and inspection, payment requests, purchasing data analysis, cost reduction, and support for team members.

Work as a satellite systems engineer across satellite design, development, testing, and operations, helping build communications infrastructure and direct-to-device connectivity.

Design, validate, and operate an area of expertise within an end-to-end LEO satellite communications system connecting satellites, ground stations, and customers.

Conduct research and development for next-generation satellite communications, covering technology studies, signal processing, satellite control, and joint research with universities and institutes.

Leads the technical integration of customer satellites with the ZERO rocket, from interface design and testing through launch-site operations, safety, quality, and orbital insertion.

Contributes to satellite subsystem design, development, testing, and operations, with assignments aligned to experience and interests, at the Tokyo Second Branch.

Lead satellite design and development projects across subsystem phases, managing quality, cost, schedule, risks, milestones, technical decisions, partner relations, and coordination with internal departments.

Design and develop mechanism components for the ZERO small rocket, including separation mechanisms, actuators, pneumatic equipment, and avionics housings. Coordinate analysis, testing, manufacturing, and suppliers.

Coordinate and advance schedules across rocket design, manufacturing, assembly, and operations. Track progress, manage dependencies and risks, report milestones, and align departments on recovery plans.

Design avionics component housings for the ZERO small launch vehicle, covering design, manufacturing, procurement, assembly and testing while coordinating vibration, temperature, mounting and integration requirements.

Lead communication-system architecture for rockets and ground stations, developing S-band and GNSS antennas, RF equipment, signal processing, verification flows, integration tests, EMC tests, and long-distance communications trials.

Design and develop rocket-mounted fluid and piping components, including cryogenic and high-pressure piping and valves. Perform strength and flow design, coordinate analysis and manufacturing, and plan component verification tests.

Lead research and development for next-generation satellite communications, evaluating new technologies, guiding researchers, managing projects, and advancing collaborations with universities and research institutions.

Design and develop digital and analog circuits for the avionics system installed in the ZERO small rocket, covering sensors, processors, communications, board reliability, testing, and verification.

Lead end-to-end satellite system development spanning satellite buses, communications payloads, ground stations and operations, while managing QCD, resources, schedules, partners and development teams.

Define requirements, design the architecture, and provide technical direction for an end-to-end LEO satellite communications system connecting satellites, ground stations, and customers.

Design and analyze complete rocket systems, define and allocate subsystem requirements, manage interfaces, assess trade-offs and risks, and prepare technical specifications and verification documents.

Lead experiments and evaluations of rocket components such as turbopumps, valves, piping, and actuators, planning tests, analyzing data, and improving reliability through evidence-based technical investigation.

Design and evaluate actuator control for the TVC system of the company’s ZERO small rocket, using Simulink-based modeling, analysis, tuning, and coordination with mechanical design and test teams.

Design and analyze liquid propulsion systems, define equipment requirements, evaluate performance tests, develop tank pressure control, and plan launch operations and stage combustion tests.

Conduct CFD analysis and validation for rocket external and internal flows, including supersonic aerodynamics, air conditioning, pressurization, cryogenic fluids, and rotating machinery. Improve CFD methods and feed findings into design decisions.

Design, install, maintain, and operate ground-station communications infrastructure, including antennas, tracking systems, RF equipment, and launch-day communication links.

Conduct strength and stiffness analyses for rocket propulsion components, optimize vehicle designs from evaluation results, compare analyses with test data, improve analysis environments, and coordinate external analysis partners.

Lead flight and system safety for satellite-launch rockets, evaluating reliability, coordinating technical goals, schedules and costs, and preparing safety reviews, technical documents, plans, specifications and verification materials.

Lead requirements, architecture, integration, testing, analysis, and optimization for ZERO rocket propulsion systems, including engines, turbopumps, fluid networks, and related interfaces.

Coordinate system integration for the ZERO small rocket, connecting propulsion, structures, avionics and ground facilities to clarify specifications, resolve interfaces and support overall design consistency.

Design and develop power circuits and battery systems for the avionics of the ZERO small rocket, including BMS, DC-DC converters, safety circuits, board analysis, and environmental testing.

Design 5G NTN architectures connecting devices, satellites, ground stations, and customer networks, while handling requirements, partner negotiations, and technology and vendor selection.

Design, develop, and operate a mission control system for rocket launches and combustion tests, building reliable, low-latency services across backend and frontend systems.

Develop embedded software for the avionics system aboard the ZERO small rocket. The role covers C/C++ design, implementation and verification, flight and sequence control, sensor and actuator interfaces, communications, and collaboration with circuit and FPGA designers.

Manage company-wide security platforms and internal applications, including EDR, EPP, SASE, CASB, SIEM, Entra ID, Intune, and SaaS tools. Handle incidents and improve information systems operations.

Designs and validates a specialist area of 5G NTN, connecting terminals, satellites, ground stations, and customer networks. Responsibilities include RAN, core network, or OSS work and vendor management.