13 of 13 Operational Acceptance Testing Jobs in London

ensuring that new and changed services are fully prepared for deployment into live operation and support. Acting as the focal point between delivery teams, operational support teams, suppliers, and business stakeholders, the role provides governance and assurance that services meet agreed quality, security, supportability, and operational readiness requirements … programme releases. Assess readiness across people, process, technology, security, support, service management and operational processes. Coordinate Operational Acceptance Testing (OAT) activities. Ensure support teams have the capability, knowledge, documentation and tooling required to operate the service. Facilitate readiness reviews and provide recommendations to governance boards regarding ...

across AWS-hosted applications. Create and maintain automated performance test scripts using JMeter and K6 . Carry out Operational Acceptance Testing (OAT) to ensure services are production-ready. Analyse test results, identify bottlenecks and work with development teams to resolve performance issues. Monitor application and infrastructure performance … applications hosted within AWS . Strong knowledge of performance, load, stress and endurance testing methodologies. Experience delivering Operational Acceptance Testing (OAT) . Hands-on experience with monitoring and observability tools including: Splunk AppDynamics Grafana AWS CloudWatch Dynatrace Experience using Jenkins , GitHub , Jira and Confluence . Strong ...

strong understanding of cross-functional dependencies across Finance, Procurement, SAP Ariba, SAP Analytics Cloud, Concur, and non-SAP systems.The program is currently entering Integration Testing, with delays in customization build and configuration. The candidate will play a critical role in managing these challenges, ensuring integration readiness, and supporting … workstream through the full testing and deployment lifecycle: Integration Testing, User Acceptance Testing (UAT), Operations Acceptance Testing (OAT), Dress Rehearsals, Cutover Planning and Go-Live SupportManage timelines, risks, and dependencies, especially in light of current delays in build/configuration.Coordinate with cross-functional teams ...

understanding of cross-functional dependencies across Finance, Procurement, SAP Ariba, SAP Analytics Cloud, Concur, and non-SAP systems. The program is currently entering Integration Testing, with delays in customization build and configuration. The candidate will play a critical role in managing these challenges, ensuring integration readiness, and supporting … workstream through the full testing and deployment life cycle: Integration Testing, User Acceptance Testing (UAT), Operations Acceptance Testing (OAT), Dress Rehearsals, Cutover Planning and Go-Live Support Manage timelines, risks, and dependencies, especially in light of current delays in build/configuration. Coordinate with ...

services that matter. Role Overview We are seeking a Lead Performance Tester/Performance Engineering Lead to provide end-to-end ownership of performance testing and performance assurance across complex digital services. This role acts as the performance authority , accountable for defining strategy, leading delivery, and providing formal recommendations … sign off Test Completion Reports and readiness assessments Engage with senior stakeholders, architects, and governance forums Support Operational Acceptance Testing (OAT) and live readiness Drive continuous improvement, innovation, and best practices in performance Extensive experience leading performance testing for large-scale systems Strong background in performance ...

services that matter. Role Overview We are seeking a Lead Performance Tester/Performance Engineering Lead to provide end-to-end ownership of performance testing and performance assurance across complex digital services. This role acts as the performance authority , accountable for defining strategy, leading delivery, and providing formal recommendations … sign off Test Completion Reports and readiness assessments Engage with senior stakeholders, architects, and governance forums Support Operational Acceptance Testing (OAT) and live readiness Drive continuous improvement, innovation, and best practices in performance Essential Skills & Experience Extensive experience leading performance testing for large-scale systems Strong ...

service designs that describe the service model, customer outcomes, service ownership, support model, performance measures, SLAs/OLAs, security, resilience, availability, capacity, continuity, and operational dependencies. Produce and maintain Service Design Packages and supporting artefacts that enable services to be delivered, supported, measured, and improved across the organisation … supplier ecosystem. Ensure service designs are aligned to enterprise architecture, information security, data protection, supplier management, operational resilience, and business continuity requirements. Validate service designs against non-functional requirements, including availability, reliability, scalability, recoverability, monitoring, alerting, access, supportability, and maintainability. Define and document service dependencies, ownership, RACI, escalation routes ...

service designs that describe the service model, customer outcomes, service ownership, support model, performance measures, SLAs/OLAs, security, resilience, availability, capacity, continuity, and operational dependencies. Produce and maintain Service Design Packages and supporting artefacts that enable services to be delivered, supported, measured, and improved across the organisation … supplier ecosystem. Ensure service designs are aligned to enterprise architecture, information security, data protection, supplier management, operational resilience, and business continuity requirements. Validate service designs against non‐functional requirements, including availability, reliability, scalability, recoverability, monitoring, alerting, access, supportability, and maintainability. Define and document service dependencies, ownership, RACI, escalation routes ...

developing the strategy and managing delivery of all aspects of end to end Testing (functional, non-functional, SIT, end to end testing, OAT, UAT) across a complex portfolio of platforms or major projects, ensuring the offshore testing partners deliver against contractual commitments/base lined plans, departmental … stakeholders through the delivery of a signed-off risk based test strategy, test plans and test summary reports. Strategy: Provide end-to-end testing best practice advice and guidance to programme/project lead, liaising with business stakeholders to ensure required resources in place to execute UAT testing ...

with internal and external providers. You will design monthly service reporting, participate in UAT, and plan Early Life Support for major releases, while maintaining operational acceptance testing and strong stakeholder collaboration. #J-18808-Ljbffr ...

schedule change requests and maintenance releases Engage in Release Management process for releases relating to team portfolio. Participate in UAT and ensure that appropriate Operational Acceptance Test is completed for all releases. Plan and implement effective "Early Life Support" programmes for significant software releases. Responsible for technical impact … technical mentoring, assessment and development of employees in related technical communities. Self-starter, motivating, results oriented and able to multi-task. Driving operational excellence and innovation. Ability to solve challenging problems and deliver timely and high-quality design solutions when presented with conflicting requirements, business demands, and technical risks. ...

following areas: Around three years' experience leading performance testing with JMeter Azure/Cloud (ADF would be useful but not essential) OAT and Functional Test Automation – tools such as Selenium, Playright, Cucumber in an Agile environment You will design and execute performance, load and stress tests using JMeter, LoadRunner … Gatling, ensuring that testing aligns with the performance strategy and agreed non-functional requirements. Working closely with technical teams to troubleshoot issues, monitor systems with Grafana and Splunk, and use diagnostics tools such as New Relic and Dynatrace. Later, you'll integrate tests into CI/CD pipelines ...

following areas: Around three years' experience leading performance testing with JMeter Azure/Cloud (ADF would be useful but not essential) OAT and Functional Test Automation - tools such as Selenium, click apply for full job details ...