The primary responsibility of the Fire Sprinkler Technician is to Install, repair, and replace fire sprinkler devices including but not limited to post-indicator valves, outside stem and yoke valves, waterflow switches, tamper switches, sprinkler heads, and stock boxes. Fire Sprinkler Technicians on the NAS Patuxent River team come from all areas of the Tri County of Southern Maryland including California, Ridge, Hollywood, Mechanicsville, Leonardtown, Waldorf, Laplata, Lusby, Solomons.