[13] From 2003 to 2005, Spengemann served as a Senior Policy Analyst at the Government of Canada’s Privy Council Office, examining national security law and international regulatory issues in the Canada-U.S. bilateral relationship.
During his service, he negotiated legal protocols with U.S. and Coalition military forces to ensure security, medical and operational support for the UN's activities in the country.
Additionally, he led a team of international and Iraqi experts to assist the new Parliament of Iraq and Kurdistan Regional Government with constitutional and legislative reforms, including oil & gas management, human rights, institutional design and federalism.
[14] His work in Iraq earned him an Osgoode Hall Gold Key alumni award and recognition as a democracy expert in the University of Toronto’s 'Boundless' Campaign.
[citation needed] In 2012, Spengemann became a member of the Liberal Party Riding Association of Mississauga–Lakeshore and took on the portfolio of Vice President for Communications and Outreach.