System Integration Test Manager (ERP Functional SIT) Rate: £500/day (Inside IR35) Location: Cheshire (Hybrid) We're recruiting a System Integration Test Manager to lead functional System Integration Testing (SIT) for a newly implemented ERP solution in a regulated, operational environment. The focus is on making sure end-to-end business processes work as intended across multiple functions, with clear evidence of readiness ahead of go-live. What you'll be doing Own the functional SIT approach: scope, objectives, entry/exit criteria, and success measures Create and manage functional test scripts based on business process flows and system configuration Lead SIT cycles across core areas such as procurement, production, inventory, quality, and finance Coordinate business users, technical teams, and vendors to ensure defects are logged, prioritised, and resolved Provide clear test reporting (progress, defects, risks, readiness) and support stakeholder sign-off Run walkthroughs and support decision-making on what's “good to proceed” vs what needs fixing What we're looking for Strong experience leading ERP functional testing / SIT (end-to-end processes, cross-module impacts) Confident running structured test cycles and managing defect triage through to resolution Comfortable using tools such as Jira (or similar) for tracking and reporting Clear communicator who can work well with both operational stakeholders and technical teams Able to bring structure, pace, and calm to a delivery environment Nice to have ISTQB (or equivalent) Experience in regulated or compliance-led environments (e.g., traceability / quality standards)