Raytheon CFO Abruptly Departs a Year After Merger’s Closing

Raytheon Technologies Corp.’s chief financial officer stepped down abruptly a year after the merger that gave rise to the maker of aircraft parts and missiles.

Anthony “Toby” O’Brien was replaced by Neil Mitchill as CFO effective April 7, the company said in a regulatory filing Friday. Mitchill, 46, had been corporate vice president of financial planning and analysis, and also previously served as CFO of Pratt & Whitney, the company’s jet-engine business.

“Toby has played a pivotal role in the establishment and integration of Raytheon Technologies,” Chief Executive Officer Greg Hayes said in a statement. “We thank him ...