Operational Assurance Lead - Resilience & DR Testing

345 Technology Limited

Winchester

Hybrid

GBP 60,000 - 90,000

Part time

14 days+

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Benefits offered by this job

Hybrid working arrangements

High-profile transformation programme

Job summary

345 Technology leads the way in modernising and optimising technology landscapes for enterprise clients with cloud, data, AI and integration services. The Operational Assurance Test (OAT) Lead will design and implement end-to-end operational testing to ensure resilience, recoverability and supportability of critical systems and integrations.

The role combines hands-on testing with collaboration across business and delivery teams to identify operational risks and improve system readiness.

Qualifications

Proven experience delivering Operational Acceptance Testing (OAT) within enterprise environments.
Strong understanding of disaster recovery, business continuity and resilience testing.
Experience testing APIs, integrations and distributed systems.
Knowledge of observability platforms, monitoring solutions and support processes.

Responsibilities

Design end-to-end Operational Acceptance Testing (OAT) scenarios based on business processes and customer journeys.
Execute OAT testing covering: System resilience, Disaster Recovery, Observability and monitoring, Recovery procedures, Operational supportability.
Plan failures, partial outages, recovery and restoration activities; conduct failure simulations including API/integration failures.
Verify resilience across end-to-end business and integration flows.
Assess DR readiness for business-critical applications and services; design, execute and report on failover and failback testing.
Identify gaps and risks impacting service continuity; produce clear reporting for stakeholders.