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# Algorithmic Software Developer - Space Surveillance & Tracking

- **Company:** CGI Group Inc.
- **Location:** Guildford, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Agile Methodology, Algorithm Design, C++ (Programming Language), Software Quality, Computer Programming, Fortran (Programming Language), Python (Programming Language), Machine Learning, Software Engineering, Julia, Keras, Git, Software Performance, Software Library
- **Published:** October 10, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/algorithmic-software-developer-space-surveillance-tracking/51063427

## About the Role

Essential skills:

 * Applied mathematics: Strong competence applying mathematical concepts to software or algorithm development.
 * Algorithm development: Proven experience developing algorithms with consideration for numerical accuracy.
 * Software libraries: Experience with OREKIT, Stone Soup or Keras.
 * Programming: Experience with Java or Python, with willingness to develop broader capability.
Desirable skills:

 * STEM qualification: University degree or equivalent qualification in a relevant STEM discipline is highly desirable.
 * Leadership: Experience providing technical direction, guidance or quality review to other developers.
 * Communication: Strong written and verbal interpersonal skills with confidence engaging stakeholders.
 * Ownership: Demonstrable willingness to take responsibility, make decisions and deliver against agreed objectives.
 * Quality mindset: Commitment to best practice, software quality and attention to detail.
 * Delivery methods: Understanding of software development lifecycles, including Agile and/or Waterfall.
 * Space experience: Experience in the space sector or a closely related technical domain is desirable.
 * Additional technologies: Experience with C++, FORTRAN, Julia and/or Git.

## Description

CGI's Secure Space Systems team is advancing how organisations understand, monitor and respond to activity in space. In this role, you will take ownership of algorithmic software development for surveillance and tracking applications, contributing across small projects and larger programme streams. You will lead a small team of developers, providing direction, technical guidance and quality review, while working closely with senior technical leads to agree approaches, respond to changing priorities and deliver agreed outcomes. You will combine applied mathematics, software engineering and analytical thinking to develop robust, trustworthy solutions.
You will also help turn research and new ideas into practical capability by investigating emerging techniques, documenting findings and communicating results to internal and external stakeholders. You will have scope to challenge existing approaches, improve development practices and contribute to business development activities, supported by a collaborative environment that values initiative, creativity and continuous learning., * Lead & Develop: Guide a small development team through direction, mentoring, quality review and best-practice delivery.

 * Design & Deliver: Develop and improve software algorithms for space surveillance and tracking.
 * Innovate & Investigate: Explore techniques in orbit determination, flight dynamics, tracking and correlation, and machine learning.
 * Optimise & Validate: Define robust strategies for building confidence in software performance, numerical accuracy and quality.
 * Collaborate & Influence: Work with technical leadership and internal and external stakeholders to agree approaches and communicate progress.
 * Report & Communicate: Produce clear internal and external reports, technical papers and findings.
 * Contribute & Grow: Support business development activities and help broaden the team's technical capability.