Intertek's project-related assurance, testing, inspection and consulting services are the risk management and quality assurance partner you need to ensure the reliability, safety and performance of your new developments, existing assets and facilities. Acoustical Technician - Lake Forest, CA Intertek, a leading provider of quality and safety solutions to many of the world's top-recognized brands and companies, is actively seeking an Acoustical Technician to join our Building & Construction team in Lake Forest, CA .