Universal didn't specify the number of workers losing their jobs, but did say the cuts did not involve hourly employees.
The park will close on Nov. 2 and reopen on or before March 1.
The ride will include two launches, the fastest hitting 70 mph in 2.4 seconds.
The coaster has been under construction in full view of guests for more than a year.
The two houses will again be open Sept. 26-27 and then from Oct. 3 through Nov. 1.
Universal says it now expects the economic impact of the COVID-19 pandemic to stretch into 2021.
Comcast CEO Brian Roberts said some guests may not return to theme parks until a COVID-19 vaccine is available.
Premier passholders can register for a preview on Friday, Sept. 18.