Physical Demands Must be able to perform multiple tasks and can handle the physical demands of the job, including but not limited to, digging using a shovel, standing, walking, kneeling, bending, crouching, pulling, pushing, climbing, and lifting at least 50lbs. Fiber-Optic Technician Responsibilities: Install and maintain outside plant (OSP) fiber-optic cables supporting critical infrastructure, highway communications, and Intelligent Transportation Systems (ITS).