In 1973, Noski began his career at accounting firm Haskins & Sells (now Deloitte & Touche) where he served for 17 years and was named partner in 1983. In 1990, he joined Hughes Electronics Corporation as corporate vice president and controller. In 1992, Hughes named him corporate senior vice president and chief financial officer, in 1996 he was elected vice chairman, and he later became the company's president and chief operating officer.[3][4]
From 1999 to 2002, Noski was senior executive vice president and chief financial officer of AT&T Corporation. In February 2002, he was named vice chairman of the company's board of directors. From 2003 to 2005, Noski was at Northrop Grumman Corporation as corporate vice president and chief financial officer; he was a director at the company from 2002 to 2005.[3][5] In 2003, Noski was elected to the board of directors of Microsoft. In 2010, he was named executive vice president and chief financial officer of Bank of America Corporation, and became vice chairman in 2011. He retired from Bank of America in 2012 and has since served on the boards of directors of Microsoft, Avon Products, Booking Holdings Inc, Hewlett Packard Enterprise and Wells Fargo.[2]