The City of O'Fallon, Missouri is seeking a consultant to perform a comprehensive assessment of its Operational Technology (OT), Supervisory Control and Data Acquisition (SCADA), and Information Technology (IT) network environments. The goal is to evaluate the current systems, identify vulnerabilities, and provide recommendations to improve security, reliability, and operational resilience. The engagement will occur in two phases: 1. **Assessment and Recommendation Phase**: The selected consultant will perform a comprehensive assessment of the existing OT/SCADA and IT network environments, including architecture, configurations, security controls, asset visibility, and operational dependencies. The consultant will provide detailed findings, prioritized recommendations, best practices, and potential remediation strategies. 2. **Implementation Phase**: The City may elect to engage the selected consultant to implement some or all of the recommended improvements. This phase will be performed under separate scope or task-based agreements. The City operates multiple water and wastewater facilities that rely on SCADA and other operational technology systems for monitoring and control. The consultant will need to have expertise in OT, SCADA, and IT network architecture and cybersecurity. Key requirements include: * The consultant must be licensed, insured, and bonded. * The consultant must conform to all rules, regulations, ordinances, laws, or directives set forth by the City of O'Fallon and/or the State of Missouri. * The consultant must comply with applicable provisions of the U.S. Civil Rights Act and Section 504 of the Federal Rehabilitation Act. * The consultant must be E-Verify compliant. The proposal submission deadline is May 12, 2026, at 12:00 P.M. CDT. The City anticipates awarding an agreement for an initial term of up to three years, with the option to renew for up to two additional one-year periods. The City is seeking a single contract for the entire scope of services outlined in the request for proposals. The City reserves the right to accept or reject any and all proposals received.