Digital Signal Processing Engineer/デジタルシグナルプロセッシングエンジニア

Job description


Satellite System Development Departmentは、弊社独自の小型SAR(合成開口レーダ)衛星である「StriX」シリーズの設計、製造、運用を行っています。チームは従来の宇宙産業や拡大する小型衛星業界、また多数基生産に資する製造業からの経験豊富なメンバー、アドバイザーで構成されています。「人工衛星の開発」は、これまで官需中心で1基単位の生産しか行われていませんでしたが、弊社は衛星サイズを従来の1/10に小型化することでスピーディーな生産体制を実現し、2023年までに6基の衛星打ち上げを予定しています。

本ポジションでは、SAR Electronics Teamの一員として以下の業務に携わっていただきます。

  • SARシステムにおける信号発生装置やデータ伝送システムの設計、開発、評価
  • 製造パートナーの管理

Job requirements

  • デジタル信号処理・符号化技術 及び アルゴリズム開発の経験
  • 変復調、暗号複合、データ圧縮伸張の基礎知識
  • 英語の読み書き
  • MATLAB, Python, Goのいずれかを使ったモデル構築およびシミュレーション検討・評価経験
  • 電波伝搬・モデリング・シミュレーションを駆使したシステム最適化・変復調方式の設計
  • 無線システムの信号処理部の開発の経験


  • Design, Develop, and Evaluate the signal generator and the data transmission system of SAR
  • Manage manufacturing partners

Minimum qualifications
  • Experience in digital signal processing and coding, as well as developing and verifying digital signal algorithms
  • Basic knowledge of modulation / demodulation, encryption / decryption, data compression / decompression.
  • Reading and Writing in English and Japanese
Preferred experience
  • Building model and verifying through simulation using MATLAB, Python, or Go
  • Optimizing the system utilizing Radio wave propagation, modeling, and simulation
  • Designing modulation / demodulation
  • Developing signal processing part of the wireless system

Our Culture:
  • Mission:
    Synspective creates the Learning World where people can expand their capabilities and make tangible progress with new data and technologies
  • Vision:
    Efficient, accountable and resilient world
  • Business
    1. Solution services with satellite data
    2. Development and operation of small SAR satellites


  • Synergy of Spirit
    As part of Synspective, we embark on this journey together, bringing with us our combined experiences and life. As a team, we recognize that the team’s goals are my personal goals, and my goals are the team’s goals. We each share a part of the responsibility to succeed.
    I constantly communicate to align my efforts with our goal. I manage my energy and time to maximize team performance. I give more than I take. I provide value when needed and I take responsibility for my own behavior.
  • Synthesis of Knowledge
    We try to create new value under conditions that have huge uncertainty and volatility. The only way for us to succeed is to progress through trial and error that we learn from and make changes based on our new knowledge.
    I listen actively and respectfully to others’ opinions, consider it logically and examine my assumptions, and discuss it with my team constructively. I learn by doing and building upon our experiences. I aim to achieve better results with every new attempt. I accelerate the collective learning process by openly sharing experiences and knowledge with my team.
  • Synched with the Future
    We have an obligation to create a sustainable future for the next generations. To do so, we must tackle tough challenges as pioneers, leaving our comfort zones that prevent our growth.
    I recognize that a smart failure is a step toward success and try to learn from the past to solve new issues in the future. I set aggressive goals and divide them into sprint-victories in order to continue to tangibly advance and make progress. I consider the future, prepare for it, and actively engage in making it happen with quick actions and decisions.

Compensation & Arrangements:
  • Employment system: Full-time, Contract to Permanent :
  • Benefits: Commuting expense, health insurance, employees' pension insurance
  • Location: Kiyosumi Shirakawa Office, Tokyo and Tsukuba, Ibaraki
  • Others: Part-Time or second job allowed