This is a SOURCES SOUGHT NOTICE only. Interested vendors may submit a statement of interest & documentation of their capabilities to the provided contact email. This requirement is for the procurement of highly specialized commercial professional services to design, implement, and operationalize the Microsoft Sentinel platform. These services require intimate and expert-level knowledge of USAWC's specific Microsoft 365 A5 licensing and security configuration. The critical performance requirements for this acquisition center on the successful implementation of a fully operational security platform. The contractor must design a system that complies with NIST SP 800-53 and OMB M-21-31 event logging mandates. The contractor shall successfully onboard approximately 350 endpoints and all specified M365 data sources, ensuring at least a 98% data ingestion success rate. The contractor must also deliver comprehensive training and "as-built" documentation to ensure Government self-sufficiency. Please see attached documents for further details.