Cormick's creative writing has appeared in most of Australia's literary journals including Southerly, Westerly, Island Magazine, Meanjin, The Phoenix Review, Overland, Scarp, 4W, Redoubt, Block, as well as in overseas publications including Silverfish New Writing (Malaysia) and Foreign Literature No 6 (China).
Since 2019 he has been serving on the Advisory Board on Education and Outreach to the Nobel Prize Winning Organisation for the Prohibition of Chemical Weapons.
Cormick was awarded the Medal of the Order of Australia (OAM) in the 2021 Queen's Birthday Honours "service to science, and to the community".
His work has a strong sense of satire, across themes that include exploration, isolation, duality and Ned Kelly (who appears at least once in each of his eight short story collections).
In 2014 and 2015 he published the acclaimed the Shadow Master series with Angry Robot books, in the US and UK, as was a guest author at the Convergence fan convention in Minneapolis, and at WorldCon in Helsinki in 2018.