John Scott Harrison

John Scott Harrison serves as a Contract Specialist at the Military Sealift Fleet Support Command Norfolk (N40442), where he plays a pivotal role in securing critical maintenance, repair, and modernization services for the U.S. Navy’s non-combatant fleet. His responsibilities include managing the full lifecycle of procurement actions for complex maritime systems, ensuring compliance with FAR and DFARS regulations while aligning acquisitions with the agency’s mission to sustain propulsion, marine HVAC, navigation instrumentation, and vessel repair infrastructure. Harrison routinely handles competitive and sole-source contracts for industrial equipment, specialized engineering services, and shipyard support, ensuring operational readiness through timely and technically sound procurement decisions. His contractor relationships are primarily with mid-to-large-tier industrial firms specializing in marine mechanical systems, valve manufacturing, and commercial vessel repair. While no single vendor dominates his portfolio, Harrison consistently engages with suppliers possessing niche expertise in naval-grade propulsion components, refrigeration systems, and industrial machinery maintenance. His procurement approach emphasizes technical qualification, past performance, and capacity to meet stringent DoD quality and delivery standards, fostering long-term partnerships with vendors capable of supporting complex, mission-critical vessel sustainment needs. Harrison’s contracting patterns reflect a strong preference for open competition, with 85.2% of acquisitions conducted without set-aside restrictions. He maintains a modest but deliberate commitment to small business participation, with 14.2% of awards designated as total small business set-asides under FAR 19.5 and a minimal but consistent use of 8(a) competed contracts. His approach prioritizes market responsiveness over socioeconomic targeting, ensuring that technical capability remains the primary driver in source selection. His primary procurement focus centers on NAICS 333618 (Other Engine Equipment Manufacturing), 811310 (Commercial and Industrial Machinery Repair), and 333415 (Marine HVAC and Refrigeration Equipment Manufacturing), reflecting deep expertise in marine propulsion, thermal systems, and industrial maintenance. He frequently procures custom-engineered valves, shipboard climate control units, and specialized repair services for aging vessel systems, demonstrating specialized knowledge in naval engineering support domains.