Keywords: technical sales, hydronic, boiler, commercial boiler, boiler controls, hydronic heating, startup and commissioning, mechanical room, troubleshooting, product demonstration, training, territory manager, field support, manufacturer’s rep, multifamily, mechanical contractor, plumbing contractor, HVAC, air separator, pumps, sequence of operations, CRM, relationship management, New York City, Long Island, direct hire. Based in or near New York City, five boroughs preferred; Long Island (Nassau County), Westchester, and northern New Jersey considered for candidates willing to travel into the city regularly, including some evenings.