MIGRATION AND OPERATIONAL CONTINUITY
Moving to cloud while protecting live operation
As platform owner and migration project manager, I organised the move from Oracle to GCP without leaving live operations unsupported. I split eight developers equally between maintenance and migration, with senior agreement to defer non-essential enhancements.
Developers split between live support and migration
Existing annual BAU funding redirected to support delivery
My contribution
Automated copies of existing feeds enabled early development and comparison against live data and calculations. I agreed a reduced reporting scope with Retail leadership and incorporated the redesigned validation process. Delivery used the existing £300,000 annual BAU fund, with separate £50,000 PMO support.
What followed
I delivered the GCP data tables, calculation logic and validation process before leaving. My successor completed the agreed reports, cutover and legacy decommissioning using the handover plan.