
Real job — pulled straight from Astroscale US’s careers page · Verified September 3, 2026 · No reposts.
Job description
Astroscale US is hiring a Flight Software Engineer — a full-time, based in Tokyo, Japan role. Apply directly on Astroscale US's careers page below.
Eng111_フライトソフトウェアエンジニア/Flight Software Engineer
Department: Astroscale Japan / IT
Employment Type: Full-Time Employee
Location: Tokyo, Sumida-ku, Japan, Hybrid
私たちのリアルな様子はこちらから→ 株式会社アストロスケールの会社情報 - Wantedly
Export Control Laws:
Unless explicitly notified otherwise, our vacancies are covered by Export Control Laws which require candidates to be from an "Export Safe" Country as deemed by the Japanese Government.
The countries are as follows:
Japan, Germany, Australia, Argentina, Italy, USA, France, Netherlands, UK, Austria, Ireland, Czech, Spain, Greece Canada, New Zealand, Belgium, Bulgaria, Sweden, Switzerland, Norway, Finland, Luxembourg, Portugal, Denmark Hungary and Poland.
About the Role
This role will focus on mission-critical flight software development, validation and software testing, SILS-based verification, and in-house spacecraft simulation.
The engineer will also contribute to DevOps activities such as CI/CD pipelines, containerized development environments, automated testing, and GitLab-based workflows.
This position is suitable for an engineer with strong technical knowledge, high initiative, and excellent communication skills.
Key Responsibilities
・Design and develop flight software for Astroscale spacecraft.
Responsible for software design, coding in C/C++, unit-level tests, integrated scenario-level tests, validation, and maintenance with documentation.
Meet the required functions, performance, quality, cost and delivery time for the deliverables.
Investigate and resolve issues found through software testing, simulation, and integrated verification activities.
・Improvements to the development environment, simulation environment and processes to increase development efficiency.
Support SILS-based verification using flight software and Astroscale’s in-house spacecraft simulator.
Develop and improve simulation models, including sensor models, actuator models, flexible-body models, and related spacecraft simulation components.
Develop and maintain Python-based tools for testing, analysis, automation, and simulation support.
・Work with the related subsystem team to clarify any ambiguities in the requirements specifications and support subsystem verification and integration test.
Proactively identify issues, propose improvements, and drive tasks forward in collaboration with other engineers.
Essential Qualifications & Experience
・Bachelor’s degree or higher in Aerospace Engineering, Computer Science, Software Engineering, or equivalent professional experience.
・Minimum of 3+ years’ experience with hands-on real-time software engineering/development. (design, coding, debugging, testing, configuration management, and version control etc.)
・Strong programming skills in C/C++, Python, and experience in JAVA.
・Experience with modern software development tools and workflows (Git, CI/CD, Linux, Docker).
・Proactive working style, with the ability to identify problems, clarify ambiguity, propose solutions, and move work forward without requiring detailed step-by-step direction.
・Excellent technical communication and presentation skills.
・Business level English language skills.
Desirable Qualifications & Experience
・Experience in developing closed-loop control processing.
・Experience with SILS, HILS, test benches, or integrated software verification environments.
・Experience developing and validating simulation models for engineering systems, including sensing, actuation, environmental effects, and system dynamics.
・Experience in agile development processes with Jira/Confluence.
・Knowledge of AOCS (Attitude and Orbit Control System), GNC (Guidance, Navigation, and Control), FDIR (Fault Detection, Isolation, and Recovery), control systems, or spacecraft dynamics.
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Frequently asked questions
What skills are required for Flight Software Engineer at Astroscale US?
The required skills for Flight Software Engineer at Astroscale US include: C++, Python, Java, Git, CI/CD, Linux, Docker, JIRA, Confluence, Agile, DevOps.
What is the seniority level for Flight Software Engineer at Astroscale US?
Flight Software Engineer at Astroscale US is a Mid Level level position.
How do I apply for Flight Software Engineer at Astroscale US?
You can view the full description and apply for Flight Software Engineer at Astroscale US on EchoJobs: https://echojobs.io/job/astroscale-us-eng111-flight-software-engineer-jm0n5.