Senior Diesel & Heavy Equipment Mechanics

Position Senior Diesel & Heavy Equipment Mechanics Type Full-time Location Ft. Chaffee, AR Travel 10% Contingent Upon Award Position Summary The Senior Diesel & Heavy Equipment Mechanic serves as a master mechanic responsible for diagnosing, repairing, and overseeing complex maintenance actions across NSW diesel, heavy equipment, and tactical vehicle fleets. This role performs the most technically demanding repairs and provides expert guidance and oversight to less experienced mechanics within the shop. The Senior Diesel & Heavy Equipment Mechanic ensures maintenance actions meet OEM, NAVFAC, and NSW standards while supporting high equipment availability and operational readiness. Duties and Responsibilities Perform advanced diagnostics and repairs on diesel and heavy equipment platforms Repair and troubleshoot engines, drivetrains, suspension, braking, and hydraulic systems Provide expert technical input on complex maintenance issues Oversee and mentor junior and midlevel mechanics Ensure maintenance quality and compliance with OEM and NAVFAC standards Support inspections, audits, and readiness assessments Operate Government vehicles during testing and repair activities Document all labor, parts, and repairs in Fleet Focus Required Qualifications U.S. citizenship required Ability to obtain installation access credentials Ability to obtain and maintain a Secret clearance Valid U.S. driver's license (Valid CDL preferred) Minimum 6 years as an OEM, commercial fleet, or military diesel/heavy equipment mechanic (or E7–E8 equivalent military experience) Experience maintaining diesel engines over 400 HP and CESE platforms Proficiency using Asset Works Fleet Focus Ability to repair all tactical, expeditionary, and nontactical equipment in the shop Experience providing technical oversight and mentorship ASE Master Mechanic certification in Medium Heavy Trucks or Military Tactical Wheeled Vehicles (May be waived with 5 years as a depot level shop lead mechanic or supervisor) Strong verbal and written communication skills Compliance with hazardous material, safety, and facility access procedures Compliance with drugfree workforce requirements Ability to lift up to 75 pounds Standing, bending, kneeling, climbing on vehicles and equipment Work in motor pool, shop, and field environments Exposure to noise, fuels, lubricants, exhaust, weather, and rugged terrain Physical Demands and Work Environment While performing the duties of this position, the employee is regularly required to talk, listen, and write. The employee frequently is required to use foot/ankle motions, hands or fingers, handle or feel objects, tools, or controls. The employee is required to stand, walk, sit; and reach with hands and arms. The employee must occasionally lift and/or move up to 25 pounds. Specific vision abilities required by this position include close vision, distance vision, and the ability to adjust focus. The noise level in the work environment is usually moderate. The physical demands described here are representative of those that must be met by an employee to be the best qualified for the position and successfully perform the functions of the job. Reasonable accommodation may be made (if possible) to enable individuals with disabilities to perform the functions. Equal Employment Opportunity Seventh Dimension, LLC is a Veteran friendly employer and provides equal employment opportunity (EEO) to all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability status, genetic information, marital status, ancestry, protected veteran status, or any other characteristic protected by applicable federal, state, and local laws. #J-18808-Ljbffr