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🍪 Privacy Notice This website uses cookies to improve your web experience. By using the site, you agree to the use of cookies. dismiss Spacecraft Descent Guidance, Navigation, and Control Software Engineer Tokyo, JapanJP Engineering Office – Engineering And R&D /Full-Time (Regular) /Hybrid APPLY FOR THIS JOB ispace is looking for Spacecraft Descent Guidance, Navigation, and Control Software Engineer to join our growing team in Tokyo. (Japanese follow English) For this role, you will develop the Flight Software (FSW) of the Guidance, Navigation and Control functions for the Entry, Descent and Landing (EDL) phase of a lunar lander. Contribute to the development of the lunar lander simulator and testing framework as well as design, implement and validate GNC algorithms in coordination with Flight Software and GNC engineers. You will also perform design analysis related to landing GNC and detailed design of GNC algorithms based on higher-level requirement and support flight software integration activities and mission operations and preparation activities. Candidate profile : If you are an experienced AOCS/GNC engineer with strong technical depth in spacecraft guidance, navigation, and control with 5+ years of hands‑on engineering experience, proven capability in 6DOF simulations, trajectory optimization, and the development of guidance, navigation, and attitude control algorithms. The candidate is proficient in C/C++, Python, Git, and modern software engineering practices, including clean code principles and unit testing. Candidate must excel in cross‑functional teamwork, communicate effectively, demonstrate a proactive and enthusiastic attitude, and operate comfortably in an English‑speaking engineering environment. This candidate can independently develop, analyze, and validate advanced spacecraft control algorithms and contribute meaningfully to mission‑critical GNC system design. 月着陸機の突入・降下・着陸（EDL）段階における誘導・航法・制御（GNC）機能のフライトソフトウェア（FSW）を開発する。 月着陸機シミュレータおよび試験フレームワークの開発に貢献する。 フライトソフトウェアおよびGNCエンジニアと連携し、GNCアルゴリズムの設計、実装、検証を行う。 着陸系GNCサブシステムに関する設計解析、上位要求に基づくGNC算術処理則の詳細設計を行う。 フライトソフトウェアの統合活動、ミッション運用および準備活動を支援する。 Key Responsibilities (1) Design and implement the landing GNC Flight Software and as well as truth-side models for the lunar lander to enhance mission simulations. (2) Implement unit, integration and system levels testing frameworks for validating the implemented GNC algorithms. (3) Support the software test plan execution for the GNC related functions within Model-In-the-Loop (MIL), Software-In-the-Loop (SIL), Processor-In-the-Loop (PIL) and Hardware-In-the-Loop (HIL) campaigns and evaluate the test result from GNC design perspective. (4) Perform GNC-related analyses (such as guidance law design and analysis, control law design and performance analysis, thruster duty analysis, DV analysis, attitude dynamics analysis, sloshing and flexible dynamics, navigation filter design, covariance analysis, various GNC sensor evaluation, etc) by using control engineering tools as well developing dedicated software tools. (5) Conduct and support pre, post and during operations flight analysis activities and participate in flight operation as a member of landing GNC teams. Develop flight operation procedures and support interface and tool design with the ground system from GNC perspective as collaboratively working with the system and operation team. (6) Document the technical specifications of the GNC subsystem with a deep understanding of the functions and relations with other subsystems. (7) Perform throubleshooting of GNC FSW algorithms and components and propose solutions to mitigate errors and misbehaviors in the GNC subsystem (1) ミッションシミュレーションを強化するため、着陸系GNCのフライトソフトウェアおよび月着陸船の真値モデルを設計・実装する。 (2) 実装したGNCアルゴリズムを検証するための、ユニットレベル、統合レベル、システムレベルのテストフレームワークを実装する。 (3) モデル・イン・ザ・ループ（MIL）、ソフトウェア・イン・ザ・ループ（SIL）、プロセッサ・イン・ザ・ループ（PIL）、ハードウェア・イン・ザ・ループ（HIL）キャンペーンにおけるGNC関連機能のソフトウェアテスト計画の実行を支援し、GNC設計の観点からテスト結果を評価する。 (4) 着陸系誘導航法制御に関する設 ... (truncated, view full listing at source)