Seth Mercil

Seth Mercil serves as a procurement professional within the DSC Contracting Services Division of the National Park Service, overseeing the acquisition of critical infrastructure services essential to preserving and modernizing America’s national parks. He manages a diverse portfolio of construction and engineering contracts focused on the rehabilitation of historic structures, upgrading water and sewer systems, and enhancing visitor facilities in ecologically sensitive and remote locations. His work directly supports the agency’s mission to ensure the long-term resilience and accessibility of protected lands through strategic, mission-aligned contracting. Mercil maintains consistent working relationships with leading engineering and construction firms including AECOM Technical Services, Inc., Vanasse Hangen Brustlin, Inc., Johnson, Mirmiran & Thompson, Inc., HDR Engineering Inc., and McKenzie Construction & Site Development LLC. These partnerships reflect a preference for firms with proven expertise in civil infrastructure, architectural restoration, and environmental compliance. His contracting approach emphasizes performance-based outcomes, requiring rigorous adherence to federal construction standards and sustainable design practices. His procurement patterns show a strong preference for open competition, with 85.7% of awards issued without set-asides, reflecting the technical complexity and scale of projects requiring specialized capabilities. However, he actively supports small business participation, with 14.3% of awards directed under Total Small Business Set-Asides in accordance with FAR 19.5, ensuring opportunities for qualified small contractors in construction and design disciplines. Mercil’s primary procurement focus lies in NAICS 237110 (Water and Sewer Line Construction) and 236220 (Commercial and Institutional Building Construction), with supplementary activity in NAICS 541310 (Architectural Services). He routinely procures services related to historic preservation, utility system rehabilitation, stormwater management, and adaptive reuse of park infrastructure, demonstrating deep technical familiarity with federal construction codes, environmental regulations, and NPS-specific preservation standards.