Fleet Diesel Mechanic

Fleet Diesel MechanicOn behalf of our client, we are seeking an experienced Fleet Diesel Mechanic to join a growing team in Gillette, Wyoming. This is a hands-on shop position focused on diagnosing, repairing, and maintaining the company's fleet of diesel trucks, semi-trucks, trailers, and support vehicles.The goal is simple: when a truck leaves the shop, it needs to be safe, reliable, and ready to work. You'll be responsible for troubleshooting mechanical issues, completing repairs, and staying ahead of preventative maintenance to help minimize downtime across the fleet.This position is primarily focused on diesel trucks and fleet vehicles rather than large heavy construction equipment. There may be opportunities to work on smaller support equipment such as pumps, light plants, forklifts, and similar equipment as needed.We're looking for a strong mechanic first. Previous leadership experience is not required. For someone interested in growing professionally, there may be opportunities to take on additional leadership responsibilities over time.Key ResponsibilitiesDiagnose, troubleshoot, maintain, and repair diesel trucks, semi-trucks, trailers, and support vehicles.Work on fleet equipment including Peterbilt, Kenworth, Freightliner, Western Star, and similar trucks.Diagnose and repair: diesel engines, transmissions and drivetrains, electrical systems, air and brake systems, steering and suspension components, fuel systems, hydraulic systems.Perform repairs and maintenance on smaller support equipment such as pumps, light plants, forklifts, and similar equipment as needed.Use diagnostic equipment, service manuals, schematics, and wiring diagrams to identify and resolve mechanical and electrical issues.Perform scheduled preventative maintenance to keep fleet vehicles reliable and road-ready.Complete oil and fluid changes, filter replacements, lubrication, and routine services.Perform vehicle and equipment inspections.Complete or support DOT inspections and required fleet maintenance.Identify potential problems before they result in breakdowns or unnecessary downtime.Ensure repairs are completed thoroughly and with a strong attention to quality.Accurately document repairs, inspections, parts used, and preventative maintenance completed.Assist with parts identification and ordering as needed.Maintain a clean, safe, and organized work area.Follow company safety procedures, including proper PPE and lockout/tagout practices.Work collaboratively with other mechanics and operations personnel to prioritize repairs and keep the fleet moving.Participate in required safety meetings and training.Provide and maintain personal mechanic hand tools required to perform the job.Required Qualifications2+ years of professional experience repairing diesel trucks, semi-trucks, fleet vehicles, or similar equipment; 3–5+ years preferredStrong diesel mechanical knowledge and diagnostic abilityExperience troubleshooting and repairing diesel engines, transmissions, electrical systems, brakes, steering, suspension, fuel systems, and/or hydraulicsAbility to read and interpret service manuals, schematics, and wiring diagramsStrong mechanical troubleshooting and problem-solving skillsAttention to detail and commitment to completing repairs correctlyAbility to work independently and as part of a shop teamAbility to prioritize work in a fast-paced maintenance environmentMust supply and maintain personal mechanic hand toolsMust be able to meet company drug and alcohol testing requirementsPreferred QualificationsExperience working on Peterbilt, Kenworth, Freightliner, Western Star, Cummins, Detroit, CAT, or similar trucks and diesel enginesTechnical training in diesel technology, medium/heavy truck repair, automotive technology, or a related fieldCDLASE Medium/Heavy Truck certificationsExperience performing DOT inspectionsExperience using electronic diagnostic software and maintenance/work-order systemsBasic welding and fabrication experienceInterest in mentoring others or growing into future leadership responsibilitiesEquivalent hands-on work experience may be considered in place of formal certifications or technical education.Work EnvironmentWork is performed primarily in a maintenance shop with occasional outdoor work as needed.Regular exposure to diesel equipment, noise, vibration, dust, grease, fumes, and varying temperatures.Monday–Friday schedule with regular overtime.This is a hands-on mechanical position requiring regular work around trucks, trailers, tools, and shop equipment.Physical RequirementsAbility to lift and carry 50–75 lbs regularly and up to 100 lbs with assistanceFrequent standing, walking, bending, kneeling, climbing, reaching, and working around vehicles and equipmentAbility to work in confined spaces and awkward positions when completing repairsManual dexterity to safely operate hand tools, power tools, and diagnostic equipmentWhy Join Our Team$30–$40/hour based on experienceRegular overtime opportunitiesMedical, dental, and vision benefitsMonday–Friday scheduleStable opportunity with a growing companyOpportunity to expand your skills and grow into additional responsibilities over timeTeam environment focused on safety, quality workmanship, and keeping equipment runningIf you're an experienced diesel truck or fleet mechanic who takes pride in diagnosing problems, making quality repairs, and keeping trucks on the road, we'd like to hear from you.