1 June 2026 - The Original date of closing for this Sources Sought Notice (SSN) was incorrect. The date should have reflected October 2025 versus October 2026. This was awarded to Human Resources Resarch Organization (HUMRRO)in April 2026. SOURCES SOUGHT NOTICE FOR: Enterprise Occupation Structure and Standards Development Support to Intelligence and Security ((OUSD(I&S)) Human Capital Management Office (HCMO). Washington Headquarters Services / Acquisition Directorate (WHS/AD) is issuing this Sources Sought Notice (SSN) on behalf of the Intelligence and Security ((OUSD(I&S)), specifically for the Human Capital Management Office (HCMO). This is NOT a solicitation for proposals, proposal abstracts, or quotations. This SSN is for market research purposes ONLY and shall not be construed as a Request for Proposal (RFP)/Request for Quote (RFQ) or as an obligation on the part of the requestor to acquire any products or services. The goal of this market research is to assess the availability, interest, and capability of potential firms to provide services as described and outlined in the attached Draft Performance Work Statement (PWS). Please see attachments for further details.