Develop epics, user stories, requirements, Responsible, Accountable, Consulted, and Informed (RACI) matrices, data flows, and integration needs for security information and event management (SIEM), endpoint detection and response (EDR), Threat Intelligence Security Center (TISC), and configuration management database (CMDB) platforms. Produce test scenarios, training materials, and release notes; manage user story assignment, backlog grooming, sprint preparation, story refinement, demonstrations, user acceptance testing, defect triage, cutover, and risk tracking with engagement managers.