Tim began working for the Maine Department of Inland Fisheries and Wildlife as a Game Warden in 1983. He worked in several capacities, being promoted to a Game Warden Investigator, then a Sergeant and finally worked his last six years in the Maine Warden Service as the Colonel until his retirement in 2004. Tim went to work in the private sector as the Associate Professor of the Conservation Law Program at Unity College Flagship for 10 years. At Unity College, he also became the Center Director for the Center for Natural Resource Management and Protection which carried various administrative responsibilities until he retired in 2014. In 2017 he helped develop the online Master in Conservation Law Enforcement.

In 2015 he was appointed to Deputy Commissioner and in this capacity he assists the Commissioner with managing the agency budget, personnel evaluations and oversight for all Bureaus of the agency, collaborates with other agencies on joint projects, oversees policy and procedures, manages legislative matters, is involved in the rulemaking process and communicates with the Governor’s office on constituent concerns.