- US Army Corps of Engineers (Sault Ste. Marie, MI)
- …During the regular work week (24 percent of the time), the Lock and Dam Operator Supervisor (Lockmaster) works under the direction of the Chief of ... work operations and is held accountable to higher level management for the quantity, quality and efficient accomplishment of...do the work of a(n) LOCK AND DAM OPERATOR SUPERVISOR without more… more