Olson served as a law clerk for Judge Barbara Jacobs Rothstein on the United States District Court for the Western District of Washington for two years immediately after finishing law school. She served as a trial attorney and later Deputy Director of the National Church Arson Task Force in the United States Department of Justice Civil Rights Division from 1992 to 1997. From 1994 to 1997, she also worked part-time as an adjunct professor at George Washington University Law School.

In 1997, Olson joined the Office of the United States Attorney for the District of Idaho, rising to the rank of Senior Litigation Counsel at the time of her appointment in 2010.

After Olson resigned in 2017, she joined the Boise office of Stoel Rives, a law firm that operates in the Pacific Northwest. In 2021, Olson was included on a shortlist of possible nominees to succeed Judge B. Lynn Winmill.
Give me a chronological bulleted list based on a timeline of events
* 1992 to 1997: Olson served as a trial attorney and later Deputy Director of the National Church Arson Task Force in the United States Department of Justice Civil Rights Division
* 1994 to 1997: Olson worked part-time as an adjunct professor at George Washington University Law School
* 1997: Olson joined the Office of the United States Attorney for the District of Idaho
* 2010: Olson rose to the rank of Senior Litigation Counsel
* 2017: Olson resigned
* 2017: Olson joined the Boise office of Stoel Rives, a law firm that operates in the Pacific Northwest
* 2021: Olson was included on a shortlist of possible nominees to succeed Judge B. Lynn Winmill