From 1957 to 1966, Tomljanovich served as the Assistant Revisor of Statutes for the State of Minnesota. Originally hired to do editorial work, she began to gradually took on the role of drafting bills and working with legislators. In May 1966 Tomljanovich gave birth to her son William Tomljanovich and decided to be a stay at home mother to raise him. She continued working during this time, doing indexing work for
West Publishing, editing practice manuals for Minnesota Continuing Legal Education, and bill drafting for some lobbying organizations. She also worked for the County Attorney's Association drafting proposed rules of Criminal Procedure. Tomljanovich served on the Lake Elmo Planning Commission and on North St. Paul-Maplewood School Board. In 1971, she went to work for the House of Representatives Research Division with her eye on replacing the retiring Revisor of Statutes. Tomljanovich was appointed Revisor of Statutes by the legislature in 1974 and worked in that capacity until 1977.
Governor Perpich appointed her to the trial court bench for the 10th district on August 30, 1977. Tomljanovich was only the second woman in the state to achieve this position. She was then reelected in 1978 and 1984. She served as a state district court judge in
Washington County from 1977 to 1990, when Governor
Rudy Perpich appointed her to the
Minnesota Supreme Court. Tomljanovich served on the Minnesota Supreme Court until her retirement in 1998. She joined the Medica Board of Directors in 2002 and retired in 2020. == Personal life ==