Elizabeth R. Stewart

Elizabeth R. Stewart serves as a Purchasing Agent within the Office of Acquisition and Grants at the Social Security Administration, where she plays a critical role in securing the operational infrastructure necessary to support nationwide benefit delivery. Her responsibilities include managing the full lifecycle of procurement actions for IT systems, administrative services, and facility-related equipment, ensuring compliance with federal acquisition regulations and alignment with the agency’s mission to modernize core systems and maintain public trust. She routinely handles complex acquisitions in software development, systems integration, and cybersecurity-enabling technologies, often coordinating with technical stakeholders to define performance-based requirements and evaluate vendor proposals under competitive solicitation frameworks. Stewart maintains established working relationships with key contractors including CA, Inc. and COLORID, LLC, partnering with vendors that deliver specialized IT solutions, systems integration services, and facility support equipment. Her procurement approach emphasizes vendor reliability, technical capability, and adherence to federal cybersecurity standards, fostering long-term collaborations with firms proven in delivering scalable, secure, and mission-critical solutions to federal environments. While the majority of her acquisitions are conducted under full and open competition, Stewart consistently allocates approximately 27% of her portfolio to Total Small Business Set-Asides under FAR 19.5, demonstrating a deliberate commitment to expanding opportunities for small businesses. Her contracting patterns reflect a balanced emphasis on socioeconomic inclusion without compromising mission readiness or technical rigor. Her primary procurement focus lies in NAICS categories including Computer Systems Design Services (541512), Office Machinery and Equipment Rental and Leasing (532420), and Office Equipment Merchant Wholesalers (423420), indicating a strong specialization in procuring IT hardware, leasing solutions, and integrated technology systems. She also regularly acquires related services and equipment supporting administrative operations, reflecting a nuanced understanding of both technical infrastructure and day-to-day operational needs within a large federal agency.