Mission Engineer (Communications Systems)

Team: Mission Management

Location: Tokyo, Japan

Commitment: Full-time (Regular)

Workplace Type: hybrid

Key responsibilities

• upport development of spacecraft communication subsystem architectures for lunar landers, rovers, orbiters, and related mission systems.

• Perform communication system trade studies including frequency selection, antenna configurations, modulation schemes, coding methods, and redundancy concepts.

• Develop and maintain RF link budgets for spacecraft-to-ground and inter-system communication scenarios.

• Define subsystem technical requirements, operational concepts, and interface definitions with spacecraft and ground systems.

• Coordinate communication subsystem activities across internal engineering teams and external suppliers.

• Support communication subsystem integration, verification, validation, and troubleshooting activities during spacecraft assembly and test campaigns.

• Support mission operations preparation including communication pass analysis, operational constraints, and contingency planning.

• Contribute to anomaly investigations, technical reviews, and mission readiness activities.

• Develop engineering analysis tools and scripts for communication performance assessment and subsystem evaluation.

• Maintain technical documentation including specifications, ICDs, analysis reports, verification plans, and operational procedures.

Required skills

• Bachelor’s or Master’s degree in Electrical Engineering, Aerospace Engineering, Telecommunications Engineering, or related technical field.

• Experience in RF communication systems, satellite communications, or spacecraft subsystem engineering.

• Understanding of communication subsystem fundamentals including antennas, RF systems, modulation, coding, and link analysis.

• Experience performing communication link budget analysis.

• Familiarity with engineering analysis tools such as Python, MATLAB, STK, or equivalent.

• Ability to work effectively within multidisciplinary engineering teams.

• Strong communication and technical documentation skills in English. Business fluency for non-Japanese candidate. 

Preferred skills

• Experience with lunar, deep-space, or small satellite missions.

• Knowledge of CCSDS standards and space communication protocols.

• Experience with S-band, X-band, Ka-band, or optical communication systems.

• Familiarity with spacecraft integration and environmental test activities.

• Experience with mission operations or ground segment coordination.

• Knowledge of MBSE methodologies and system engineering processes.

• Japanese language capability is a plus.