He worked for CBC bureaus in the Maritimes and Toronto, Ontario before moving to Vancouver, where he was a network reporter and hosted the now-defunct programs Pacific Rim Report, Foreign Assignment, and Times 7 (a joint venture with The New York Times) and also hosted a summer series on CBC Radio One, Feeling the Heat.

On August 1, 2017, he was named as one of four new co-hosts of The National, CBC's flagship news broadcast alongside Adrienne Arsenault, Rosemary Barton and Andrew Chang.

[14] Hanomansing received an honorary degree, Doctor of Laws honoris causa (LLD), from Mount Allison University in 2003.

[15] On November 28, 2008 Hanomansing won the Gemini Award for Best News Anchor, beating Kevin Newman and Peter Mansbridge.

[17] In March 2016, he won the Canadian Screen Award for Best National News Anchor over Peter Mansbridge, Lisa LaFlamme and Heather Hiscox.