Senior Mission Analysis Engineer
About the role
ispace is looking for Senior Mission Analysis & Flight Dynamics engineer to join our growing team.
As a Senior Mission Analysis & Flight Dynamics engineer, you will support lunar missions by designing and optimizing spacecraft trajectories, analyzing mission performance, and developing flight dynamics tools. You will work closely with mission operations teams to ensure safe and efficient execution of lunar missions.
Responsibilities
- Trajectory design . Support lunar mission design through trajectory analysis and optimization, generating launch windows while accounting for landing site, orbital, and mission constraints.
- Covariance analysis . Optimize correction maneuvers by assessing and mitigating the impact of navigation and execution uncertainties.
- Software engineering . Design, develop, and maintain in-house astrodynamics libraries to support mission analysis, trajectory design, and flight dynamics activities.
- Requirements management . Contribute to the definition, traceability, verification, and validation of mission requirements.
- Processes refinement . Identify inefficiencies in existing processes and develop improvements to enhance efficiency, quality, and reliability.
- Operations . Support Flight Dynamics critical operations with Orbit Determination and Maneuver Planning for ispace’s lunar missions on a 24/7 environment.
Required skills
- 5+ years of experience on Mission Analysis in in cis-lunar or deep space missions.
- Professional experience with Orbital Mechanics libraries and tools: GMAT, STK, MONTE, Orekit, Godot or similar.
- Professional software development experience: continuous maintenance, sprint-based delivery, testing activities, version control, dockerized environments.
- Familiarity with at least one of the following concepts: Circular Restricted 3-Body Problem (CR3BP)
- Covariance analysis
- Lambert Transfer
- B-plane targeting
Preferred skills
- Flight Dynamics development and/or operations.
- Knowledge about cislunar environment: ELFO, NRLO, Halo, etc.
- Experience interfacing launch providers (e.g. Space-X, ULA, Ariane, MHI, Rocket Lab).
- Experience using MONTE library.
Copied from the listing ispace published, verified 1 Nov 2026.
The application
Your details and CV, then 6 questions (1 written).
- 1.2. あなたの年齢を教えてください。What is your age range?Pick one · optional
- 2.4. 障害の有無について教えてください。Do you have a disabilitiy?Pick one · optional
- 3.Are you currently within commuting distance of our office, or are you willing to relocate? 現在、弊社オフィスへの通勤が可能な距離にお住まいですか?または、転居のご意向はありますか?Pick any: Yes · No
- 4.Are you legally authorized to work in Japan? 日本での就労に関して、法的に許可されていますか?Pick any: Yes · No
- 5.Due to Japan’s export control regulations, certain roles may have nationality-related restrictions. Do you consent to providing your nationality information for eligibility confirmation? 日本の輸出管理規制により、一部の職種には国籍に関する制限があります。国籍情報の確認にご同意いただけますか?Yes or no
- 6.If you answered "Yes" to the previous question, please indicate the passport you currently hold. If you do not consent to providing nationality information, please enter N/A. 前問で「はい」と回答された方は、現在保有しているパスポートの国籍をご記入ください。 国籍情報の提供に同意されない場合は、「N/A」Written answer · optional
Taken from the application form ispace runs, verified 30 Oct 2026.
How to apply to ispace: the questions its forms ask across its open roles.
About ispace
Lunar landers and rovers, with teams in Japan, the United States and Luxembourg.
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