Amarilis Diaz-Rosario De Santiago

Amarilis Diaz-Rosario De Santiago serves as a key procurement lead within the 0413 AQ HQ RCO-HI, a Department of the Army unit responsible for sustaining military readiness across the Pacific region. She manages a diverse portfolio of acquisition actions centered on facility maintenance, mission-enabling services, and installation infrastructure support. Her work ensures operational continuity through timely contract execution for specialty trade and professional development services, aligning with the agency’s strategic priorities in resilient energy systems, environmental compliance, and telecommunications infrastructure. Diaz-Rosario De Santiago specializes in full lifecycle contracting, from requirements development to award and administration, ensuring compliance with federal acquisition regulations and mission-critical timelines. She maintains consistent, long-term relationships with a select group of contractors including HAMASAKI CONSTRUCTION LLC, PHOENIX V LLC, SURECAN LLC, HONOLULU DISPOSAL SERVICE, INC., and PERRY MANAGEMENT CORP OF SOUTH DAKOTA, L.L.C. These partnerships reflect a preference for regional and specialized vendors with proven expertise in construction, waste management, and installation support services. Her contracting approach emphasizes performance-based outcomes, risk mitigation, and vendor reliability, fostering collaborative, results-driven engagements that support sustained operational readiness. Diaz-Rosario De Santiago demonstrates an unwavering commitment to socioeconomic contracting, with 100% of her acquisitions structured as total small business set-asides under FAR 19.5. This reflects a deliberate strategy to maximize opportunities for small businesses, particularly those certified under 8(a), HUBZone, or SDVOSB programs, ensuring equitable access to federal contracting opportunities while strengthening local economic resilience in the Pacific theater. Her primary procurement focus lies in NAICS 238990 (All Other Specialty Trade Contractors) and NAICS 611430 (Professional and Management Development Training), indicating deep expertise in construction-related specialty trades and workforce development initiatives. She procures services ranging from electrical, plumbing, and hazardous waste handling to leadership training and operational readiness instruction, demonstrating technical fluency in both physical infrastructure and human capital development domains critical to Army installation sustainability.