Almy worked as a drafter at a London based architectural firm called Collcut and Hamp, for two years. In the 1920s she became a drafter for the Boston firm owned by Lois Lilley Howe and Eleanor Manning, who had also attended MIT. In 1926 she became a member of the American Institute of Architects and a partner at Howe, Manning & Almy, Inc. Upon becoming partner at the firm, she took over the position of chief draftsman. Despite surviving the Great Depression, the firm closed in 1937 after Howe retired. Manning and Almy continued in private practice. Almy also worked with landscape architect Henrietta Pope.
