Kimberly Six

Kimberly Six serves as Section Manager within the Engineering & Construction Department of the Washington Suburban Sanitary Commission, where she leads the procurement and contract management of critical water and wastewater infrastructure projects. In this primary contracting role, she oversees the acquisition of engineering services essential to the planning, design, and construction of resilient water distribution and sewer conveyance systems. Her work directly supports the agency’s mission to modernize aging infrastructure, ensure public health compliance, and uphold environmental sustainability standards through technically rigorous and compliant procurement practices. Kimberly Six maintains a contractor ecosystem composed primarily of licensed engineering firms with demonstrated expertise in civil, environmental, and municipal infrastructure design. She engages with a broad spectrum of qualified consultants and design-build entities that possess the technical credentials to deliver complex hydraulic modeling, pipeline rehabilitation, and stormwater management solutions. Her procurement patterns reflect a preference for performance-based contracts and design-build delivery methods, fostering collaborative relationships with vendors who can integrate multidisciplinary engineering disciplines under unified project delivery frameworks. Her contracting approach reflects a strong emphasis on open competition, with 100% of her acquisitions designated as “No Set-Aside,” indicating a focus on technical capability and qualifications over socioeconomic classifications. While she does not prioritize 8(a), HUBZone, or SDVOSB set-asides, her process remains fully compliant with federal and state procurement regulations, ensuring equitable access for all qualified firms while maintaining stringent performance benchmarks. Kimberly’s procurement portfolio is exclusively focused on NAICS 541330 (Engineering Services), encompassing civil engineering, geotechnical analysis, hydraulic design, and environmental impact assessments. She routinely procures specialized services including water main replacement planning, sewer rehabilitation using trenchless technologies, and compliance documentation for EPA and Maryland Department of the Environment regulations. Her technical domain expertise lies in the lifecycle management of potable water and wastewater infrastructure, ensuring that all contracted work meets rigorous engineering standards and long-term operational resilience goals.