2,038,124open jobs
120,318companies
252,670added this week
Browse all
Location
Hybrid (Tokyo, Japan)
Seniority
Senior · 5+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 28, 2026. First seen by Alion on Jul 7, 2026. ispace scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Ispace (TYO: 9348) is a global commercial lunar exploration and space infrastructure enterprise headquartered in Tokyo, Japan, with regional subsidiaries operating in Luxembourg and the United States (Denver, Colorado). Founded in 2010 by CEO Takeshi Hakamada, the publicly traded company has raised over $200 million in private equity and government grants from investors including Innovation Network Corporation of Japan (INCJ), Development Bank of Japan (DBJ), Suzuki Motor, and Japan's Space Strategy Fund.

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.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,038,124 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Industrial Engineering
Similar stack
Same company
Tokyo
In office · Nagoya
Apply
≈ $43k – $96k per year (Estimated) · In office · Full-Time · São Luís
Python
SQL
Chips/EDA
Minitab
Analytics
Power BI
Apply
$89k – $119k per year · In office · 3+ years exp · Bachelor's Degree · Selma
MedTech
Design Controls
Apply
≈ $42k – $106k per year (Estimated) · In office · Full-Time · Buenos Aires
MedTech
CAPA
Apply
≈ $40k – $83k per year (Estimated) · In office · Full-Time · Bristol
Apply
$125k – $150k per year · Hybrid · Nationals only · 8+ years exp · Bachelor's Degree · Beltsville
Python
JavaScript
TypeScript
SQL
Databases
RabbitMQ
AI/ML
Time Series
DevOps
Rest API
Git
AWS
Docker
Linux
Cybersecurity
NIST 800-53
Management
Jira
QA
JMeter
Playwright
Vitest
k6
Locust
SpaceTech
GMAT
STK
CCSDS
MedTech
Verification & Validation
Apply
$78k – $97k per year · In office · Top Secret · Full-Time · 1+ year exp · Bachelor's Degree · Huntsville
MATLAB
SpaceTech
STK
ANSYS
SysML
Cameo Systems Modeler
MBSE
MedTech
Verification & Validation
Defense
AFSIM
Apply
≈ $18k – $33k per year (Estimated) · In office · Internship · Toulouse
Python
Java
DevOps
Git
SpaceTech
Orekit
Apply
In office · İzmir
Java
Kotlin
C#
Swift
Objective-C
C#
.NET
AI/ML
Copilot
Cursor
Claude Code
Computer Vision
Mobile
Kotlin Multiplatform
Clean Architecture
DevOps
Git
Game Dev
Godot
Unity
Shader Graph
HLSL
GLSL
Apply
$12k – $14k per year · In office · Part-Time · Joshkar-Ola
Python
PHP
1C
PHP
WordPress
Game Dev
Godot
Unreal Engine
Design
Blender
Apply
≈ $31k – $67k per year (Estimated) · Hybrid · Full-Time · 3+ years exp · Bachelor's Degree · Tokyo
Design
SolidWorks
SpaceTech
Nastran
Femap
Apply
≈ $32k – $69k per year (Estimated) · Hybrid · Full-Time · 3+ years exp · Bachelor's Degree · Tokyo
Design
SolidWorks
SpaceTech
Nastran
Femap
GD&T
Apply
Hybrid · Full-Time · Tokyo
SpaceTech
CCSDS
Apply
Hybrid · Full-Time · 10+ years exp · Bachelor's Degree · Tokyo
SpaceTech
ECSS
MBSE
Apply
Hybrid · Full-Time · Bachelor's Degree · Tokyo
Python
MATLAB
SpaceTech
STK
CCSDS
MBSE
Apply
In office · Full-Time · Tokyo
DevOps
Windows
Analytics
Microsoft Excel
Apply
Associate Engineer 11 hours ago
≈ $22k – $54k per year (Estimated) · In office · Full-Time · Tokyo
Apply
≈ $54k – $131k per year (Estimated) · In office · Full-Time · 3+ years exp · Master's Degree · Tokyo
Python
C++
C++
TensorFlow C++
AI/ML
Reinforcement Learning
NLP
TensorFlow
PyTorch
LLM
SFT
Machine Learning
DevOps
Linux
Windows
Unix
Apply
≈ $26k – $69k per year (Estimated) · In office · Full-Time · Tokyo
Apply
≈ $29k – $47k per year (Estimated) · In office · Internship · Tokyo
Apply
See all jobs
This is one of many
2,038,124 more open roles from verified company boards, updated every day.