System Security Plan (SSP) Development & NIST SP 800-171 Compliance

This subcontract opportunity with DLA Maritime Portsmouth focuses on the development and submission of a System Security Plan to ensure compliance with NIST SP 800-171 Rev 1. The selected provider will be responsible for assessing security controls, documenting the system architecture, and producing a Plan of Action and Milestones to address any identified security gaps. The project is designated as a total small business set aside under NAICS code 541611 and will be performed in Kittery, zip code 03904. Interested parties must submit their responses by August 17, 2026, following the posting date of August 13, 2026.