Technical ArchitectPurposeSafeguard end-to-end solution integrity (NFRs, security posture, integrations, data & environments)and provide fast, well-evidenced advice into the KH IT chaired Design Authority.ScopeEnterprise/technical architecture advisory to KH IT chaired Design Authority (DA).Prepare options/impact papers; maintain the decision log; ensure decisions are reflected in SIartefacts.Define and maintain the environment strategy & calendar (drops, freezes, rehearsals).Oversee integration & data alignment; curate the NFR register; review security/SoD.Deliverables TA-01 Options & decision papers + DA decision logTA-02 Environment strategy & calendar (code drops, freezes, rehearsal slots). TA-03 Integration & data alignment register (interfaces, ownership, error-handling patterns). TA-04 Security/SoD review pack (roles/duties matrix reviewed; exceptions/action log). TA-05 NFR register (performance, availability, backup/DR, monitoring). TA-06 Review SDD from KH perspectiveAcceptance DA minutes and decision log up to date; no design blockers to UAT entry. Environment calendar agreed by KH IT, Programme, and SI; freeze rules published. Integration/data alignment signed by KH IT