Enterprise Messaging Modernization and Engineering Support

Description: The Defense Information Systems Agency (DISA) is seeking information, industry insights, and technical capability statements from qualified vendors to support the comprehensive lifecycle requirements of a modernized Enterprise Messaging capability. The notice explains that Enterprise Messaging supports Department of Defense information-sharing initiatives and Joint Information Environment goals, and that the anticipated Net-Centric Enterprise Services effort requires continuous 24/7/365 contractor support for a resilient, scalable, highly secure infrastructure aligned with DISA operational standards and joint-warfighter requirements. This is an active Sources Sought contract opportunity rather than a grant program, with responses due October 2, 2026 at 4:00 p.m. EDT.