Principal Software Architect

Bristol, UK (Hybrid)

Radiodetection, part of SPX Technologies, is looking for an experienced Principal Software Architect to shape the future of its connected software ecosystem across firmware, cloud, desktop, and mobile platforms.

This is a high-impact role focused on improving architectural consistency, modernising legacy systems, and driving scalable IoT-style solutions across a complex engineering environment.

You will work closely with engineering leadership and domain teams to define technical direction, align technologies, and ensure systems evolve in a scalable and maintainable way.

What You’ll Be Doing

• Define end-to-end architecture across embedded devices, cloud, mobile, and desktop
• Drive architectural standards and major technical decisions
• Reduce technical debt and support legacy modernisation
• Align teams around scalable engineering practices
• Validate ideas through lightweight prototyping and experimentation
• Support the adoption of modern tooling, including AI-assisted development

What We’re Looking For

• Experience in software engineering with significant architecture experience
• Strong background in distributed/cloud-connected systems
• Experience integrating hardware or embedded systems with software platforms
• IoT, telecoms, or connected device experience preferred
• Strong stakeholder management and technical leadership skills
• Comfortable balancing greenfield development with legacy environments

Why Join?

• Genuine influence over technical direction and architectural decisions
• Complex engineering challenges with real-world impact
• Combination of strategic leadership and hands-on technical work
• Opportunity to modernise and shape a global software ecosystem

Strong onsite collaboration is important for this role, with typically 3 days per week in Bristol.