Performance Test Lead

A fantastic client is delivering a major Cloud Transition Programme (CTP) running from 2026-2028, migrating over 90 national NHS Wales applications from on‑premise datacentres into Azure and Google Cloud - and are hiring a Performance Test Lead

Location Cardiff- 3 days a week on site

£450 a day inside IR35

Performance Test Lead

Essential Skills & Experience

• Demonstrable expertise in performance testing within cloud migration or complex enterprise environments.
• Experience with cloud networking performance validation (latency, packet loss, bandwidth, resilience).
• Strong experience of automated performance test tooling (JMeter, Azure App Testing (formally Azure Load))
• Capability in Azure architecture performance modelling.
• Strong reporting, governance alignment and stakeholder communication skills.

Desirable Skills

• Experience with multi‑vendor or multi‑supplier delivery environments.
• Prior NHS or healthcare‑regulated performance testing experience.

Deliverables

• Performance test plan per wave and/or major infrastructure change.
• Executed performance test cycles with documented outcomes.
• Performance tuning recommendations and associated evidence.
• Production of performance test summary reports.

Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.
Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.