We interpreted District Of Columbia County, DC as District Of Columbia County, DC.
- J&J Worldwide Services (Silver Spring, MD)
- **Description** **General Summary** The Plumber will install, troubleshoot, service and repair plumbing systems in office buildings, hospitals and other commercial ... establishments as assigned. **Essential Duties and Responsibilities** + Conduct inspections of plumbing systems as required + Solid understanding of water distribution and disposal systems in residential, commercial and industrial + Coordinate, troubleshoot,… more