Elizabeth Pacious

Elizabeth Pacious serves as a key procurement professional within the Science and Technology Acquisition Division of the Department of Homeland Security’s Office of Procurement Operations, where she plays a central role in securing advanced scientific and engineering capabilities critical to national security. She manages complex acquisition programs focused on research and development in physical, engineering, and life sciences, ensuring that cutting-edge technologies—from cybersecurity frameworks to next-generation detection systems—are rapidly integrated into homeland defense infrastructure. Her work directly supports the agency’s mission to modernize critical systems through innovation-driven contracting, often navigating high-stakes, mission-critical procurements requiring technical rigor and compliance with federal acquisition regulations. Pacious maintains a primary working relationship with MICROSOFT CORPORATION, leveraging the vendor’s enterprise-scale solutions in cloud computing, secure infrastructure, and AI-enabled analytics to support DHS’s technological modernization goals. Her contracting patterns reflect a preference for established, high-capacity contractors with proven track records in delivering secure, scalable technical systems, indicating a strategic reliance on industry leaders capable of meeting stringent federal security and interoperability requirements. Her procurement portfolio shows no reliance on socioeconomic set-asides, with 100% of awards issued under full and open competition. This reflects a deliberate focus on technical capability and mission readiness over socioeconomic preferences, aligning with the division’s emphasis on acquiring the most capable solutions regardless of vendor size or certification status. The majority of her acquisitions fall under NAICS 541715, emphasizing R&D in physical, engineering, and life sciences, including advanced sensors, threat detection systems, and secure data analytics platforms. A secondary focus on NAICS 813910 indicates engagement with scientific and technical business associations that facilitate consortium-based research, industry-government collaboration, and standards development. Her expertise lies at the intersection of federal acquisition policy and advanced technical domains, ensuring that procurement strategies directly enable mission-critical innovation.