Brazilian Pietro Fittipaldi will remain as a reserve driver for the Haas team for a fifth consecutive season.
Haas said the 26-year-old, grandson of two-time Formula 1 world champion Emerson Fittipaldi, “will play an operational role” at the races.
Team boss Gunther Steiner said he was retained for “continuity and consistency”.
Fittipaldi raced twice for Haas replacing Romain Grosjean after the Frenchman’s race fire accident in Bahrain in 2020.
Steiner said: “Pietro is a proven performer and is ready to step in at any time to get behind the wheel and drive, as he has done twice in 2020.”
Haas showed marked improvement last season, moving up to finish eighth in the constructors’ championship after being last in 2021.
Fittipaldi said: “Last year I did two free practice sessions, tested at the start of the year and at the end of the season, so we have already been able to try a few things for the new season.
“I’m excited to see the new car and the new developments, and I hope we can take an even bigger step forward with the (new) VF-23 (car).”