10 of 10 System Integration Testing Jobs in the City of London

services remain stable throughout transition activities. You will be responsible for supporting migration planning, validating infrastructure readiness, coordinating technical dependencies, and assisting with testing and post-migration activities. As a strong communicator, you will build effective relationships across technical and business teams while helping ensure migration activities are delivered … Supporting migration cutovers, rollback planning, and post-migration validation. Troubleshooting migration and compatibility issues. Testing & Documentation Supporting System Integration Testing (SIT) and User Acceptance Testing (UAT). Producing migration documentation, implementation plans, and support handover materials. Ensuring migration activities are fully documented and auditable. Your ...

with a global energy trading organisation to appoint an experienced Contract Programme Test Manager. The successful candidate will take ownership of end-to-end testing across a major Energy Trading & Risk Management (ETRM) platform transformation programme. This strategic initiative supports front-to-back trading operations across physical and financial … process assurance and production deployment readiness. Responsibilities of the Programme Test Manager (Energy Trading) Own and deliver the programme-wide test strategy, governance framework, SIT, UAT and regression testing activities Validate end-to-end trading workflows across front, middle and back-office functions, including trade lifecycle management, risk, scheduling ...

design through to delivery and support, within a fast-paced and collaborative environment. Key Responsibilities You will be responsible for designing, developing and supporting integration and messaging solutions, including: Producing: High-Level Application Design documentation Detailed Technical Design documentation Program specifications based on design outputs Developing: IBM App Connect … Enterprise (ACE) code Deployment scripts and documentation Testing: Creating and executing Unit Tests covering all code paths Producing and executing Sub-system Test plans Supporting: Preparing documentation for ongoing application support Collaborating: Participating in peer reviews for design, code and testing artefacts Ensuring quality, completeness and accuracy ...

diverse audiences, from technical teams to senior management. You'll guide projects through the Software Development Life Cycle (SDLC), ensuring smooth delivery and top system performance. Responsibilities: Lead and execute the implementation of Oracle Fusion HCM, specifically focusing on Absence, Oracle Compensation & Benefits (C&B), and Payroll modules … Payroll, Pension, and Absence processes. Apply hands-on experience in Oracle Global Payroll/Absence Cloud, particularly within the UK Public sector. Conduct System Integration Testing, support User Acceptance testing and Payroll Parallel Reconciliation (PPR) and support hyper care Utilize extensive knowledge of HCM technical tools ...

SIT Test Manager 12 months Remote Inside IR35 - umbrella only Active SC clearance required, eligible candidates will be considered Role overview: The SIT (Systems Integration Testing) Test Manager is responsible for leading and managing all aspects of SIT within the programme, overseeing readiness and preparation activities, creating … managing the test plan and coordinating the execution of the phase in alignment with the objectives of the phase. The SIT Test Manager will be an experienced professional with a strong background in software quality assurance and testing. Key responsibilities will include test plan development and execution, coordination of testing ...

support of SAP IS-Oil solutions on SAP S/4HANA. The role requires strong functional expertise in oil and gas industry processes, integration with SAP Finance and Logistics, and experience working in large-scale transformation or RISE with SAP programs. Key Responsibilities - Conduct business requirement analysis … Support S/4HANA ECC to IS-Oil data migration and reconciliation - Prepare functional specifications, configuration documents, and test scripts - Support unit testing, SIT, UAT, cutover, and hypercare - Work closely with business stakeholders, technical teams, and external vendors Core SAP IS-Oil Skills (Must-Have) - Strong hands-on experience ...

Agile, Waterfall, or hybrid) Upgrade & Migration Management Plan and coordinate complex infrastructure upgrades, including VCF lifecycle management (LCM) Oversee environment readiness, testing phases (SIT/UAT), and cutover activities Develop rollback and contingency strategies to mitigate operational risk Manage dependencies across compute, storage, and network components Stakeholder & Communication Management … Coordination Work closely with architects, engineers, and cloud teams to ensure alignment on design and delivery Translate technical requirements into actionable project deliverables Ensure integration across VMware components including vSphere, vSAN, and NSX Vendor & Partner Management Manage third-party vendors, system integrators, and cloud providers Ensure delivery against ...

scripting (bash/Vi Editors/PowerShell) What you will do: The candidate, expected to perform comprehensive requirement analysis, development, testing (UNIT/SIT/UAT) and implementation of the reconciliations on the Recs platform TLM Premium 2.5 or Higher into production environment. Expertise in Smart stream TLM tool … procedures, database views, triggers, and database structure. Ability to write complex SQL queries – joins, updates, scripts for analysis etc. Experience in automating the continuous integration/continuous delivery pipeline within a DevOps Product/Service team driving a culture of continuous improvement. Re-engineering the business processes and building ...

HMRC, RTI, FPS, EPS, Tax, NI, Pensions, Court Orders , and crucial Year-End activities. Support & Enhancements: Own daily operations by troubleshooting support tickets, resolving system bugs … delivering continuous improvement enhancements. Lifecycle Delivery: Participate in stakeholder requirements gathering, fit-gap analysis, technical solution design, and rigorous testing cycles (Unit, SIT, UAT). Technical Collaboration: Prepare detailed functional specifications for custom developments and work closely with ABAP developers to deliver high-quality solutions. Integration & Documentation: Support ...

payroll and HR functions. Responsibilities: Define and manage release strategy, calendars, and deployment plans Coordinate across functional, technical, and testing teams Ensure regression, SIT, and UAT completion before release Manage risks, dependencies, and change impacts Ensure compliance with UK statutory/payroll updates Govern release sign-offs and production ...