The layoffs include 601 employees at manufacturing facilities and engineering offices in Palo Alto and Fremont, California, according to a May 13 Worker Adjustment and Retraining Notification (WARN) Act notice.

Tesla will lay off 378 employees at the company’s Fremont-based manufacturing plant and 223 more employees at its engineering headquarters in Palo Alto during a two-week period beginning June 20, according to the notice.

Among the positions eliminated by Tesla include directors for environmental health and safety and user experience design in Fremont and two directors of technical programs in Palo Alto.