ColonialWebb. Plumbing Service Technician. Fredericksburg, VA 22401. Position Summary. Plumbing Service Technician. ColonialWebb is seeking an experienced Plumbing Service Technician to perform maintenance, repairs and alterations to medium to large, complex building plumbing / piping systems. In addition to top of market wages, we offer service sales incentives, and a sign on bonus up to $7500 to qualified applicants. Who we are. ColonialWebb (A...