Principal Platform Engineer

Job in Cardiff, Cardiff City Area, CF10, Wales, UK

Listing for: 100% IT Recruitment

Full Time position
Listed on 2026-07-22

Job specializations:

IT/Tech
Systems Engineer, SRE/Site Reliability, Cloud Computing: Infrastructure & Operations

Salary/Wage Range or Industry Benchmark: 60000 GBP Yearly GBP 60000.00 YEAR

Principal Platform Engineer

Near Cardiff (hybrid working)

£60,000 + Full Benefits

An established and growing technology IT company near Cardiff is seeking a Principal Platform Engineer to take ownership of platform reliability, observability, automation, and day-to-day engineering coordination. This is a senior, hands-on role where youll shape platform standards, improve operational efficiency, and act as the technical authority for critical platform services.

If youre passionate about platform reliability, automation, and leading engineering best practice, this role offers the opportunity to make a significant impact within a modern, forward-thinking environment.

The Role

As Principal Platform Engineer, you will:

Own the operational health, stability, and reliability of the platform estate
Act as the senior technical escalation point for platform issues and major incidents
Lead investigations into complex technical problems and drive service recovery
Oversee observability tooling, monitoring standards, dashboards, and service health metrics
Coordinate day-to-day workload, priorities, and activities of Platform Engineers
Maintain engineering standards, documentation, and repeatable operati...

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