- J&J Worldwide Services (Dededo, GU)
- …**General Summary** Installs, services and repairs environmental-control systems; utilizing knowledge of refrigeration theory, pipefitting and structural layout. ... **Essential Duties and Responsibilities** + Mounts compressor and condenser units on platform or floor, using hand tools, following blueprints or engineering specifications. + Fabricates, assembles and installs ductwork and chassis parts, using portable… more