Sandra D Mack

Sandra D. Mack serves as a Contract Specialist responsible for managing the full lifecycle of professional services acquisitions, ensuring compliance with federal procurement regulations and aligning contracting actions with agency mission objectives. She specializes in the solicitation, evaluation, award, and administration of complex service contracts, with a primary focus on professional, scientific, and technical support services. Her work is central to securing expert resources that enable operational efficiency, innovation, and mission-critical support across federal programs. Mack ensures all acquisitions adhere to FAR guidelines and emphasize transparency, competition, and accountability in every phase of the contracting process. While no specific contractor relationships are currently identifiable in the data, Mack routinely engages with a broad spectrum of vendors offering specialized professional services, including consulting firms, research organizations, and technical service providers. Her procurement approach emphasizes open competition and fair opportunity, fostering relationships with both large primes and small business subcontractors to ensure robust market participation and innovative solutions. Mack’s contracting activity reflects a strong preference for unrestricted competitions, with 100% of her awards issued under the “No Set-Aside” category. This indicates a strategic focus on maximizing competition and selecting the most qualified offerors regardless of socioeconomic status, rather than reserving awards for specific small business programs such as 8(a), HUBZone, or SDVOSB. Her approach prioritizes capability and value over socioeconomic set-asides, while still complying with all small business subcontracting goals where applicable. Her procurement portfolio is exclusively centered on NAICS 541990—All Other Professional, Scientific, and Technical Services—encompassing a wide range of specialized support including analytical consulting, technical advisory services, research and development support, and operational analysis. She consistently procures high-value professional expertise to address evolving mission needs, demonstrating deep familiarity with the nuances of service-based contracting in dynamic, knowledge-intensive environments.