Ispace Inc
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Senior Mission Analysis & Flight Dynamics engineer

JapanJapan·TokyoFull-time (Regular)senior
OtherFlight Dynamics Engineer
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Quick Summary

Overview

ispace is looking for Senior Mission Analysis & Flight Dynamics engineer to join our growing team. As a Senior Mission Analysis & Flight Dynamics engineer,

Technical Tools
OtherFlight Dynamics Engineer
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.
  • 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.

  • 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

  • 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.

Location & Eligibility

Where is the job
Tokyo, Japan
Hybrid — some on-site time required
Who can apply
JP

Listing Details

Posted
July 7, 2026
First seen
July 7, 2026
Last seen
July 8, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
70%
Scored at
July 7, 2026

Signal breakdown

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Ispace Inc

iSpace is a global services company focused on Information Technology Services, Business Process Services, Location Based Services and Healthcare Solutions serving Healthcare, Automotive, Entertainment and Financial Services industries.

Employees
3k+
Founded
2000
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Ispace IncSenior Mission Analysis & Flight Dynamics engineer