He has been identified as Braden Varney, a heavy fire equipment operator.
Cal Fire said he leaves behind a wife and two children.
It is with deep sadness that we share the news that @CALFIREMMU Heavy Fire Equipment Operator Braden Varney was tragically killed while battling the Ferguson Fire. Braden leaves behind a wife & two small children. Please join us in keeping Braden's loved ones in your thoughts. pic.twitter.com/A5tmzCk09y