ELIZABETHTOWN, KY—Automotive supplier Metalsa is adding 300 new jobs at its assembly plant here to meet increased demand for the company’s signature product: vehicle frames for light- and heavy-weight trucks.

All positions are full-time, permanent openings for entry-level production technicians. Qualified employees will be able to receive a welding certification at no cost, and eligible union employees may also apply to an apprenticeship program that provides payment for further training in tooling or maintenance.