Software Developer Space Systems

Onyx-Conseil; United Kingdom; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading technology firm in the United Kingdom is looking for an experienced Software Developer to join their Resource Management Team. The candidate should have strong Java programming skills and a background in mathematics or physics, as the role involves working on complex algorithmic problems within operational systems. The firm offers competitive salaries, excellent pension plans, and a commitment to inclusivity and support for the Armed Forces.

Benefits

Competitive salary

Excellent pension

Private healthcare

Share scheme (3.5% + 3.5% matching)

Qualifications

• Experience in Java development is essential.
• Strong mathematical or physics background preferred.
• Proficiency in complex algorithmic problem-solving is required.

Responsibilities

• Deliver and support mission‑critical ground‑segment software.
• Work on complex algorithmic problems within operational systems.

Skills

Java programming

Mathematical background

Algorithmic problem-solving

Physics knowledge

Job description

Opportunity

The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build and operate bespoke, technically complex, mission‑critical systems that help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and deep expertise across space, defence, intelligence, aerospace and maritime, all underpinned by our end‑to‑end cyber capability. We collaborate with global technology companies, cutting‑edge SMEs and academia to deliver the optimal solution for each client.

Recruitment Highlights

CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare and a share scheme (3.5% + 3.5% matching). We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant.

Role Overview

CGI Space has an exciting opportunity for an experienced Software Developer to join the Resource Management (RM) Team, delivering and supporting mission‑critical ground‑segment software for a large‑scale satellite communications enterprise. This role is well suited to a strong Java developer with a mathematical or physics background, who enjoys working on complex algorithmic problems within operational systems.