John J. Hartnett has been named manager of marketing services for Raytheon Company's Marine Products Operation, South San Francisco, Calif.

Mr. Hartnett will direct advertising and sales promotion activities for the operation whose products include a wide range of marine electronic equipment for navigation, communication and safety.

He has served for the past three years as sales engineer for the operation's Northern California region. He joined Raytheon in 1963 and served initially in customer service. Prior to that he had been with Norwich Union Insurance Company. Mr. Hartnett attended Golden Gate College.

He is a member of the Society of Port Engineers and the Propeller Club.