Tetra Tech Inc. is currently seeking a full-time. Energy Efficiency Professional/Energy Engineer. to work on site as a. Resource Efficiency Manager (REM). Join our overseas REM team to support energy conservation and resilience improvements for Naval Facilities Engineering Command. (NAVFAC) Far East. based at. Commander Fleet Activities Sasebo (CFAS). on the island of. Kyushu in Japan. . We are seeking a creative problem solver to deliver energy ...