Until May 2017, Marin was the director of Installation Support and Programs Management for the U.S. Army Engineering and Support Center, Huntsville. The directorate consists of more than 30 program business lines executing roughly $2 billion in goods and services in support of Army and Department of Defense installations worldwide.
Prior to arriving at Huntsville Center in 2013, Marin worked for Headquarters, U.S. Army Corps of Engineers, Washington, D.C., with duty at Fort McPherson in Atlanta, Georgia, and subsequently at Shaw Air Force Base, South Carolina. He was the strategic liaison officer (LNO) into U.S. Army Central (ARCENT) and Coalition Forces Land Component Command (CFLCC).
ARCENT and CFLCC are the senior Army-level commands responsible for supporting operations in the Middle East, Central Asia, and South Asia. In that position, Marin planned, coordinated and gained funding for all USACE support to ARCENT, CFLCC and U.S. Central Command (CENTCOM).
He also served as a member of the ARCENT commanding general's senior planning group responsible for developing, wargaming and writing all contingency and operational plans in the USCENTCOM AOR. Marin also served the Corps of Engineers as a project engineer, resident engineer and deputy area engineer in the Far East District.
Marin served in the U.S. Army as an Engineer Officer for 26 years, retiring in 2006 as a Colonel. Marin is an active member in the Society of American Military Engineers, the Army Engineer Association, and the Project Management Institute.