Overview Aggregate Industries, a leading supplier of quality, construction-building materials in the United States, has an immediate opening for a Diesel Heavy Mobile Mechanic to support operations in Fredericksburg, Maryland and vicinity. The position will be primarily responsible for the diagnosis, repair and maintenance of large Mack fleet trucks, bobcats and loaders, and ensuring the fleet is in a state of readiness. Responsibilities Tests mechanical products and equipment to ensure proper performance, and compliance with manufacturer's specifications. Repairs and replaces damaged, or worn parts. Operates and inspects heavy equipment in order to diagnose defects. Diagnoses faults or malfunctions to determine required repairs, using engine diagnostic equipment such as computerized test equipment and calibration devices Dismantles and reassembles heavy equipment using hoists and hand tools Cleans, lubricates and performs routine maintenance work on equipment and vehicles. Examines parts for damage and excessive wear, using micrometers or gauges. Schedules maintenance for industrial machines and equipment, and keeps equipment service records. Reads and interprets manuals, blueprints and technical drawings. Analyzes information and evaluates results to choose the best solution and solve problems. Stays abreast of new technology and methodology through on-the-job training and technical schools. Adheres to all safety protocol to include confined space entry, lock-out-tag-out, working at heights, wearing appropriate safety glasses, gloves and other personal protective equipment, as well as all OSHA, MSHA requirements. Uses the appropriate tools for the required tasks. Qualifications High School Diploma or GED Equivalent Minimum of five (5) of experience servicing heavy industrial equipment such as Mack fleet trucks, bobcats and rubber tire loaders. Ability to determine the cause of operating errors and to identify solutions. Ability to perform routine maintenance on equipment Ability to determine the appropriate equipment for the task at hand. Ability to install equipment or wiring to product specifications Ability to monitor gauges, dials or other indicators to ensure equipment is working properly.