After retiring from the FBI, Neville Flynn (Samuel L. Jackson) takes a job as a motorman on an NYC subway. Meanwhile, the city hires the top rat exterminator in the country (Christopher Walken) who uses the unconventional technique of releasing thousands of vipers into the city’s sewers.

Coming this summer… Snakes on a Train

Good job security thinking. You can claim success and then get re-hired for a job posting to "exterminate an infestation of snakes in the city"

That always goes well.