Senior Real-Time Systems Architect – Safety-Critical

Cirrus Selection Limited; Stevenage; Hybrid; GBP 48,000 - 80,000; Full time

Benefits offered by this job

Bonus up to 21%

Pension up to 14%

Hybrid work

Job summary

Cirrus Selection Limited in Bristol is seeking a Software Architect to own the architecture behind complex, real-time systems, ensuring performance, reliability and scalability end-to-end.

You’ll define structure and interfaces, turn requirements into robust designs, and work closely with engineers and specialists. The role offers hybrid working, with strong salary (£80,000) plus a 21% bonus and comprehensive benefits that support career growth.

Qualifications

• Proven experience designing and delivering robust software architectures.
• Background in complex or real-time systems and performance-critical apps.
• Ability to justify design choices and decisions.
• Experience with multiple programming languages or tech stacks.

Responsibilities

• Own end-to-end software architecture across high-integrity systems.
• Define structure, interfaces, and real-time behaviour.
• Translate requirements into robust, scalable designs.
• Collaborate with engineers and architects across teams.
• Influence tools, technologies and long-term strategy.

Skills

Software architecture

Real-time systems

Decision making

Multi-language stack

Cross-functional

Job description

Cirrus Selection Limited in Bristol is seeking a Software Architect to own the architecture behind complex, real-time systems, ensuring performance, reliability and scalability end-to-end.

You’ll define structure and interfaces, turn requirements into robust designs, and work closely with engineers and specialists. The role offers hybrid working, with strong salary (£80,000) plus a 21% bonus and comprehensive benefits that support career growth.