Susan B Mielke

Susan Mielke serves as a Contract Specialist within the Department of Homeland Security’s Contracting and Procurement office under the Transportation Security Administration, where she plays a pivotal role in securing mission-critical capabilities to enhance aviation and transit security. She manages the full lifecycle of acquisitions for advanced detection systems, cybersecurity services, and operational support technologies—including explosive detection equipment, irradiation systems, and GPS-enabled rail monitoring solutions. Her work directly supports the agency’s strategic imperative to modernize national transportation infrastructure through compliant, efficient, and technically sound contracting practices. While specific contractor names are not publicly available, Mielke maintains a robust network of vendor partnerships spanning engineering firms, IT service providers, and specialized technology integrators. Her procurement approach emphasizes competitive bidding, technical evaluation rigor, and vendor performance accountability, ensuring that solutions meet stringent security and interoperability standards. She routinely engages with both large primes and small business subcontractors to deliver integrated systems that align with TSA’s operational requirements. Mielke demonstrates a strong commitment to socioeconomic contracting, with approximately 33.3% of her acquisitions structured as small business set-asides, including 22.2% total small business set-asides under FAR 19.5 and 11.1% competed 8(a) awards. Her pattern reflects a deliberate effort to expand opportunities for certified small disadvantaged businesses while maintaining competition and value for the government. She actively promotes small business participation as a core element of sustainable procurement strategy. Her primary NAICS focus areas include engineering services (541330) and other computer-related services (541519), reflecting her expertise in procuring technical systems and digital infrastructure. She also frequently engages with vendors in NAICS 519190 (other information services), indicating a strong demand for data analytics and software-enabled security solutions. Though less common, her portfolio occasionally includes niche categories such as hotel services (721110) and dog/cat food manufacturing (311111), likely tied to support services for federal facilities or logistics operations. Her technical domain expertise centers on security technology integration and mission-critical systems procurement.