Lead Mechanic

Based in St. Louis, Core & Main is a leader in advancing reliable infrastructure™ with local service, nationwide®. As a specialty distributor with a focus on water, wastewater, storm drainage and fire protection products and related services, Core & Main provides solutions to municipalities, private water companies and professional contractors across municipal, non-residential and residential end markets, nationwide. With over 370 locations across the U.S., the company provides its customers local expertise backed by a national supply chain. Core & Main’s 5,700 associates are committed to helping their communities thrive with safe and reliable infrastructure. Visit to learn more. At Core & Main , we're looking for a skilled and motivated Lead Mechanic who takes pride in delivering high-quality HDPE piping solutions while providing exceptional service to our customers. In this hands-on role, you'll work with industry-leading equipment, perform specialized fusion operations in the field, respond to critical repair needs, and play a key role in ensuring every installation meets the highest standards of safety and quality. If you thrive in a fast-paced environment, enjoy problem-solving, and want to make a lasting impact, we want to hear from you. Major Tasks, Responsibilities and Key Accountabilities Prepares accurate records on maintenance, repairs and fuel levels of equipment. Maintains all decals, safety warnings and company ID stickers. Completes work orders for internal and external repairs. Repairs power and mechanical equipment. Maintains company vehicles. Checks and refuels equipment. Undertakes complex repair and maintenance projects. Reports safety violations to supervisor. Prepares equipment for rental shipment, inspects equipment for damages when returned. Qualifications Must be 21 years of age Minimum of 3 years of experience diagnosing, repairing, and maintaining McElroy fusion equipment or comparable hydraulic and electrically operated construction equipment. Demonstrated knowledge of polyethylene pipe fusion equipment, including preventive maintenance, troubleshooting, and repair procedures. Proficient in diagnosing and repairing hydraulic systems, including pumps, valves, cylinders, hoses, and related components. Proficient in diagnosing and repairing electrical systems, including wiring, control circuits, sensors, switches, and electronic components. Ability to read and interpret technical manuals, hydraulic schematics, electrical diagrams, and manufacturer service documentation. Strong mechanical aptitude with the ability to safely operate diagnostic tools and shop equipment. Valid driver's license with a satisfactory driving record. Ability to lift and move equipment and components in accordance with company safety standards. Willingness and ability to travel overnight as required to support field service operations, attend manufacturer training programs, and fulfill other job-related responsibilities. Ability to successfully complete required McElroy equipment training and maintain applicable certifications. Preferred Qualifications Experience servicing diesel-powered, hydraulic, and electro-hydraulic equipment in the utility, pipeline, or construction industries. Ability to lift, carry, and move equipment and materials in accordance with company safety standards. McElroy equipment training and/or certification. OSHA safety training and other applicable industry certifications. Experience in underground utility, pipeline, natural gas, water, wastewater, telecommunications, mining, or construction-related industries. Mechanical field experience. Additional industry-specific safety, equipment, or operator certifications. Career Level Dimensions Typical Training/Experience Technical certification or associate degree may be required in some areas. Problem Complexity May modify processes to resolve situations. Autonomy Under limited supervision, relies on experience and exercises independent judgment to determine the best approach to achieve desired outcomes. Course of action is often determined by interpreting procedures and policies. Leadership Is sought out and/or assigned to provide general guidance/direction, training, and technical assistance to junior level support personnel. Environmental Job Requirements Typically in an environment with regular exposure to factors such as temperature extremes, moving machinery, loud noises, and fumes, which may cause noticeable discomfort or a moderate risk of accident or illness. Requires intermittent periods during which continuous physical exertion is required, such as walking, standing, stooping, climbing, lifting, and maneuvering material or equipment, some of which may be heavy (50+ pounds) or awkward. Some traveling to job sites within the region to maintain equipment Overnights may be 1-2 days/time, up to 2-4 days, dependent on the severity of the repair Core & Main is an Equal Employment Opportunity employer. Employment at Core & Main is based solely on a person’s merit and qualifications directly related to professional competence. Core & Main does not discriminate against any employee or applicant on the basis of race, creed, color, religion, national origin, nationality, ancestry, age, disability, veteran status, pregnancy or related condition (including breastfeeding), affectional or sexual orientation, gender identity or expression, marital status, status with regard to public assistance, citizenship, or any other basis protected by law. None of the questions in this application are intended to elicit information regarding any protected characteristics, nor imply any limitation, illegal preferences or discrimination based upon non-job-related information or protected characteristics. For more information, please click here or visit