### 1. Critical Knowledge & Tacit Process Inventory Matrix | Knowledge Domain | Undocumented Workflow / Asset | Transition Recipient | Severity Rating | | :--- | :--- | :--- | :--- | | **Cloud Infrastructure** | Legacy Terraform state drift and manual AWS overrides | SRE Lead (Infra) | Critical | | **CI/CD Pipelines** | Custom Jenkins deployment automation bash scripts | SRE Lead (Apps) | High | | **Network & Security** | Manual Cloudflare edge rate-limiting rule sets | SRE Lead (Infra) | High | | **Vendor Escalations** | Direct contact channels for enterprise AWS support | VP of Engineering | Medium | --- ### 2. Phased Handover Execution Schedule * **Days 1 to 3 (Documentation & Architecture Audits):** Conduct recorded 90-minute screen-share walkthroughs covering VPC peering, IAM role structures, and the Jenkins deployment scripts. Publish raw architecture diagrams to internal wiki. * **Days 4 to 6 (Active Shadowing & Access Transfer):** Successors shadow the departing architect through live production deployments. Transition root administrator credentials to company-managed hardware security tokens. * **Days 7 to 9 (Reverse Shadowing):** Successors execute routine maintenance, staging deployments, and mock incident recoveries while the departing architect observes without intervening. * **Day 10 (Final Sign-Off):** VP of Engineering, departing engineer, and successors complete formal handover sign-off review. --- ### 3. System Access, Security & Credential Deprovisioning Audit * **Root Access Reassignment:** Transfer primary ownership of AWS Root, Cloudflare Enterprise, GitHub Organization, and Datadog accounts to the VP of Engineering. * **Secret Rotation:** Regenerate all personal access tokens (PATs), SSH bastion jump-box keys, and database administrative passwords immediately on the final day at 17:00. * **Hardware Asset Logistics:** Complete inventory check of company-issued laptop and YubiKey; execute remote MDM cryptographic wipe post-exit. --- ### 4. Emergency Reach-Back Protocol & Operational Contingency Runbook * **Reach-Back Scope:** Limited strictly to catastrophic production outages caused by pre-existing legacy architecture within 30 days post-exit. * **Engagement Channel:** Contact routed exclusively through VP of Engineering via designated personal email, paid at pre-agreed advisory consulting rates. * **Emergency Outage Fallback:** If undocumented systems fail, escalate directly to AWS Enterprise Support concierge using Account PIN 8841.