in the UK for the last 5+ years to be eligible. Job Overview We are seeking a highly skilled OperationalAcceptance Test (OAT) Lead to oversee and manage the end-to-end operationaltesting process. The ideal candidate will have a strong background in operational readiness, system performance, and production environment validation on cloud-based services. Key Responsibilities Lead and manage the OperationalAcceptanceTesting (OAT) process, ensuring systems meet operational and business requirements before deployment. Define OAT test strategies, plans, and criteria to validate infrastructure, system reliability, failover mechanisms … and manage defects and issues, ensuring timely resolution. Provide leadership and mentoring to junior testers and team members. Generate detailed reports and dashboards on OAT progress, results, and risk assessments. Skills, Knowledge and Expertise 5+ years of experience in Quality Assurance, or Operational Testing. Deep understanding of OAT methodologies More ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
CACI Ltd
Us: We are the Information Intelligence Group (IIG) of CACI UK, a specialist software consultancy providing new bespoke solutions to solve our customers complex operational problems. As our business continues to grow, we are interested in speaking with experienced Senior Automation Test Engineers to join one of our live … small, fast-paced, agile delivery teams. Working on one of our Central Government projects, you will play a key role to ensure continuous automated testing is implemented, early and often, as a part of a CI/CD lifecycle. Testing at IIG consists of a wide range of … Non-Functional testing as required using a wide variety of test tools across, Security, Performance, Accessibility and OperationalAcceptanceTesting (OAT). The Fit: Our Senior Automation Test Engineers enjoy working on a variety of interesting and challenging projects, so we want our team to have More ❯
Nuneaton, England, United Kingdom Hybrid / WFH Options
Experis
Job Title: OAT Application Analyst - Scada Location: Hybrid - Warwick 2-3 days per week (could rise to 5 at peak) Duration: Clearance: SC cleared ideally but if not eligible Rate: £500 per day - Umbrella Only Within the scope of this role is: Define the Test Plan (document), including the scope … AcceptanceTesting, in line with the published Test Strategy. Work with the relevant application vendors and support teams to define the App OAT test scenarios and test cases. Provide input to the MSP project plan, in respect of App OAT tasks, durations and dependencies. Define a schedule of … test execution, taking into account dependencies and constraints (such as environment availability). Work with the relevant support teams to ensure that the App OAT test cases are executed in accordance with the Test Plan. Ensure that the results are properly recorded in Jira. Produce a regular progress report, during More ❯
Milton Keynes, Buckinghamshire, South East, United Kingdom Hybrid / WFH Options
Nufuture
the database layer of a live mobile platform that spans apps, APIs, CRMs, and SQL backends. Youll investigate performance issues, optimise queries, and support testing and releases. Youll also contribute to knowledge sharing and work closely with engineering and infrastructure teams to keep services running smoothly. Youve worked in … Confident working with SQL Server 2016+ (or MySQL, Informix, Oracle) Strong in SQL query tuning, indexing strategies, and schema-level performance Support UAT/OATtesting and ensure database integrity in release cycles Good grasp of relational data models and common bottlenecks (e.g. locking, indexing, poorly written queries) nufuture More ❯
Milton Keynes, Buckinghamshire, South East, United Kingdom Hybrid / WFH Options
Nufuture
the middle of it. Youll support and improve a live mobile platform across apps, APIs, CRMs, and SQL databases. Youll own technical issues, support testing and releases, and spot patterns to stop things from breaking. Youll also contribute to knowledge sharing and work closely with engineering and infrastructure teams … Confident working with SQL Server 2016+ (or MySQL, Informix, Oracle) - Strong in SQL query tuning, indexing, and database performance troubleshooting - Comfortable supporting UAT/OATtesting and ensuring platform readiness for release - Grasp of database structures and common performance issues (like indexing or slow queries nufuture recruitment acts as More ❯
Senior QAT Delivery Lead Department: QAT Testing Employment Type: Full Time Location: London Compensation: £90,000/year Description Job Title: Senior QA Delivery Lead Location: Croydon/Bromley/Work from Home Start Date: Immediately We are looking for a highly skilled Senior QAT Delivery Lead with an … With an SDET mindset, this role demands coding proficiency, automation expertise, and a problem-solving approach to quality assurance. The successful candidate will embed testing within development processes, champion test-driven development (TDD) and behavior-driven development (BDD), and drive continuous improvements in software quality and delivery efficiency. Key … Docker and container orchestration platforms like Kubernetes. Ability to engage with performance testing engineers, identify performance bottlenecks, and interpret performance reports. Understanding of OAT non-functional aspects, alerting, monitoring, and operational resilience. Expert knowledge of AWS services and tooling. Proficiency in Java or similar languages for writing secure More ❯