Tanisha Walcott

Tanisha L. Walcott serves as a key procurement professional within the Contract Administration Services Division of the Department of Homeland Security’s Office of Procurement Operations, where she supports the acquisition of critical professional, scientific, and technical services essential to national security operations. Her work centers on managing contracts for research and development in physical and engineering sciences, cybersecurity systems, and advanced technical services that ensure operational readiness and infrastructure integrity. She routinely oversees the full lifecycle of complex service-based acquisitions, from requirement definition through contract award and administration, ensuring alignment with federal procurement regulations and DHS mission priorities. Walcott collaborates with a diverse ecosystem of contractors specializing in engineering research, systems integration, and computer-related technical services. While specific vendor names are not disclosed, her contracting patterns reflect consistent engagement with firms possessing deep expertise in scientific R&D and cybersecurity support, including both large prime contractors and agile small business subcontractors. Her working relationships emphasize performance-based outcomes, technical compliance, and long-term service delivery reliability. She demonstrates a strong commitment to small business participation, with nearly 43% of her acquisitions structured as total small business set-asides under FAR 19.5, reflecting a deliberate effort to foster innovation and capacity within the small business community. Her procurement strategy prioritizes socioeconomic inclusion without compromising technical rigor, consistently leveraging small business set-asides to expand the pool of qualified vendors in mission-critical domains. Her primary procurement focus lies in NAICS 541712 (Research and Development in Physical, Engineering, and Life Sciences), where she acquires advanced scientific services to support DHS’s R&D initiatives. She also regularly procures other computer-related services (NAICS 541519) and professional organization services (NAICS 813920), indicating expertise in managing technical consulting, systems engineering, and specialized scientific collaboration frameworks essential to modernizing homeland security capabilities.