Turner & Townsend are seeking an experienced Senior Cost Manager to lead cost management for one of the largest hyperscale AI data center developments in the United States. This multi-phase campus is planned to scale up to multi-gigawatt capacity, integrating advanced energy strategies, fiber connectivity, and carbon capture solutions. The role offers an opportunity to work on a project of unprecedented scale and complexity, supporting AI workloads for leading technology firms. This position will focus on managing the full lifecycle of cost control for a multi-phase hyperscale campus, including early-stage budgeting, detailed cost planning, procurement strategy, and risk mitigation. This is a client-facing role requiring close collaboration with design teams, contractors, and stakeholders to deliver cost certainty and optimize value across multiple packages and phases. This role is based in Cheyenne, WY and requires regular (50%) on-site presence to support project delivery and stakeholder engagement.