Shulsky served as staff for the Senate Intelligence Committee in the early 1980s. He worked under Assistant Secretary of Defense Richard Perle during the Reagan Administration and later worked for the RAND Corporation. He worked as a consultant for the Office of Net Assessment, a Pentagon think-tank. In the run up to the 2003 invasion of Iraq, Shulsky was the Director of the Office of Special Plans (OSP), which served as a source of intelligence. He was hired and overseen by Douglas Feith and William Luti, but Shulsky's "real boss" may have been higher up than Feith. Deputy Secretary of Defense Paul Wolfowitz advocated the creation of the pro-war OSP as he "was impatient with the C.I.A." Gordon R. Mitchell, writing in the "Quarterly Journal of Speech", stated,