Jensen began his career working for the US Civil Service Commission as a Security Investigator. He then worked for the National Park Service, first as a ranger at Pipestone National Monument, Whitman Mission National Historic Site, John Muir National Historic Site, and Point Reyes National Site, and later as a superintendent and district manager in North Cascades National Park for 9 years. At Mt. Rainier National Park, Jensen served at Chief Ranger for 11 years.
His responsibilities at the National Park Service included structural fire, wildland fire, law enforcement, EMS, search and rescue, backcountry and climbing, resource management and road patrol.
Jensen states, “I want to thank the taxpayers of Fire District 3 for allowing me to serve as Fire Commissioner for 18 years. It was an honor and a priveege to work with great Commissioners, a fantastic staff, and wonderful firefighters. We have the best small fire department in the state!”