A Plumbing Engineer is different from a plumber. While a plumber can fix your pipes, a plumbing engineer can design whole systems tasked with carrying water .Apply to Plumbing Engineer jobs available on Indeed.com, the world s largest job site..Mechanical Plumbing Engineer Jobs available on Indeed.com. one search. all jobs..The American Society of Plumbing Engineers ASPE was founded in as an organization dedicated to advancing the plumbing engineering profession, .As of Oct , the average pay for a Plumbing Engineer is $ annually or $. hr..A plumbing engineer is an engineering professional involved with the planning, design and installation of building systems related to plumbing, .