Drive U.S. aftermarket growth for analytical instrumentation by selling accessories, consumables, upgrades, software, hardware, and automation enhancements. Develop installed-base strategies, manage opportunity pipelines, prepare value-based proposals, forecast revenue, negotiate agreements, and close complex sales. Build customer relationships through consultative selling, account planning, site visits, and lifecycle reviews. Collaborate with Sales, Service, Applications, Marketing, and leadership teams while serving as the U.S. lifecycle solutions subject matter expert.