The consultant will validate source-to-release traceability, tamper resistance, SBOM accuracy, security gates, exceptions and remediation; produce audit-ready findings, release-readiness and residual-risk conclusions; and recommend finding-specific work. Validate source-to-release traceability, build provenance, tamper resistance, artifact signing and promotion controls, SBOM accuracy, security gates, exceptions, remediation decisions, release-readiness conclusions and residual-risk positions.