At a Glance
- Tasks: Lead operational testing to ensure systems are resilient and ready for real-world challenges.
- Company: Join 345 Technology, a leader in modernising tech landscapes with cloud and AI.
- Benefits: Enjoy flexible working, competitive pay, and the chance to work on high-profile projects.
- Other info: Dynamic consultancy environment with opportunities for growth and learning.
- Why this job: Make a real impact by enhancing system resilience and driving innovation in technology.
- Qualifications: Experience in operational testing, disaster recovery, and strong communication skills required.
The predicted salary is between 63000 - 77000 £ per year.
Location
- Winchester, Hampshire, United Kingdom
- About 345 Technology
345 Technology helps organisations modernise, integrate and optimise their technology landscape through cloud, data, AI and enterprise integration services.
We are seeking an experienced Operational Assurance Test (OAT) Lead to support a critical programme of work focused on resilience, disaster recovery, observability and operational readiness.
The Role
As the Operational Assurance Test (OAT) Lead, you will be responsible for designing and executing end-to-end operational testing across business-critical systems and integrations.
You will ensure that solutions are resilient, recoverable and supportable under real-world conditions, including failures, outages and disaster recovery scenarios.
This is a hands‑on role requiring strong technical testing experience alongside the ability to work with business and delivery teams to identify operational risks and improve system readiness.
The role is offered on an initial 3 month fixed term contract.
Key Responsibilities
- Operational Testing & Validation
- Design end-to-end Operational Acceptance Testing (OAT) scenarios based on business processes and customer journeys.
• Execute OAT testing covering
- System resilience
- Disaster Recovery (DR)
- Observability and monitoring
- Recovery procedures
- Operational supportability
- Planned failures
- Partial outages
- Recovery and restoration activities
- Conduct failure simulation testing, including API failures, integration failures and infrastructure-related incidents.
- Verify resilience across end‑to‑end business and integration flows.
- Disaster Recovery & Business Continuity
- Assess DR readiness for business‑critical applications and services.
- Design, execute and report on failover and failback testing.
- Validate recovery objectives and operational processes.
- Identify gaps and risks that could impact service continuity.
- Automation & Governance
- Identify opportunities for operational test automation.
• Prioritise automation initiatives based on
- Business criticality
- Execution frequency
- Regression value
- Risk reduction
- Ensure appropriate safety, governance and control measures are embedded within testing activities.
- Establish repeatable OAT frameworks and best practices.
- Risk Management & Continuous Improvement
- Govern OAT execution across multiple projects and workstreams.
- Highlight operational risks, resilience weaknesses and testing hotspots.
- Produce clear reporting and recommendations for stakeholders.
- Drive the adoption of OAT best practices across delivery teams.
Skills & Experience Required
- 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.
- Experience with failure simulation, resilience engineering or chaos testing approaches.
- Strong stakeholder management and communication skills.
- Experience working within cloud‑based and highly integrated environments.
- Ability to work independently and deliver outcomes in a fast‑paced consultancy setting.
- Experience with Microsoft Azure environments.
- Knowledge of Azure Integration Services, Mule Soft or enterprise integration platforms.
- Experience of automated testing frameworks and Dev Ops practices.
- Familiarity with ITIL, service management or operational readiness frameworks.
Why Join 345 Technology?
- Opportunity to work on a high‑profile transformation programme.
- Collaborative and innovative consultancy environment.
- Exposure to leading cloud, integration and AI technologies.
- Flexible and hybrid working arrangements.
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Operational Assurance Test (OAT) Lead in Winchester employer: 345 Technology Limited
At 345 Technology, we pride ourselves on being an excellent employer by fostering a collaborative and innovative work culture that empowers our employees to thrive. As an Operational Assurance Test (OAT) Lead in Winchester, you'll have the opportunity to work on high-profile transformation programmes while enjoying flexible and hybrid working arrangements. We are committed to your professional growth, providing exposure to cutting-edge technologies in cloud, data, and AI, ensuring that you are well-equipped to excel in your career.
