SpaceX was fined just over $18,000 following an accident at its facility in Hawthorne, California.
Elon Musk's firm was charged with two violations by the Occupational Safety and Health Administration.
The Occupational Safety and Health Administration (OSHA) said in an accident investigation summary that it fined SpaceX $18,475 for two safety violations following the incident, which was first reported by Semafor.
The engineer was Francisco Cabada, a father of three from Los Angeles, former SpaceX intern Julia CrowleyFarenga told Insider.
In the investigation summary, OSHA said he was performing checks on a Raptor V2 engine in January when he "suffered a skull fracture and head trauma and was hospitalized in a coma for months."