I think the unit Kelli is looking for is the 369th Engineer Combat Battalion. not much online on this unit but i did find this on the lineage of the 369th Engineer Boat & Shore Regiment:
369th ENGINEER BOAT AND SHORE REGIMENT Constituted 19 October 1944 in the Army of the United States as the 369th Engineer Combat Battalion and organized 31 December 1944 from personnel of the 215th Antiaircraft Artillery Gun Battalion at Marignone, France. The unit was at Oberhausen, Germany at the end of World War II (15 August 1945 location). Served in the Army of Occupation of Germany from 2 May-29 September 1945. Returned to the United States via the New York Port of Embarkation on 14 November 1945. Inactivated 16 November 1945 at Camp Kilmer, New Jersey. Redesignated 369th Engineer Boat and Shore Regiment (less 2d Battalion) and allotted to the Organzied Reserves on 26 October 1946; concurrently, 158th Engineer Combat Battalion redesignated 2d Battalion. CAMPAIGN PARTICIPATION CREDIT World War II: Rhineland Central Europe DECORATIONS None
The records for the 215th Antiaircraft Artillery Gun Battalion & the 369th Engineer Combat Battalion are available at the Eisenhower library.
http://www.eisenhower.utexas.edu/Research/finding_aids/pdf/US_Army_Unit_Records_Index.pdf