Diesel Power & Hydraulic Systems Field MechanicBuild What Keeps Industries MovingEvery pump that spins, every cylinder that extends, every diesel engine that roars to life—behind it is a technician who made it happen. Join an established, fast-growing industry leader and become that technician for customers across the St. Louis region.Your MissionOwn the health of mission-critical mechanical equipment in the field. You’ll combine sharp diagnostics with hands-on skill to keep diesel- and hydraulics-driven systems online and efficient.Impact You’ll MakeDiagnose, maintain, and repair equipment at customer sites—with some projects completed in the company shop.Service diesel engines; troubleshoot hydraulic systems; work with pumps, motors, bearings, shafts, seals, rotating assemblies, gearboxes, and drive components.Apply test methods, inspections, drawings, manuals, and hydraulic schematics to pinpoint faults and determine corrective actions.Execute preventive maintenance; identify worn/failed parts; remove, repair, replace, and install components.Support equipment startup, functional testing, and commissioning to verify performance.Communicate clearly with customers about findings, repairs, and maintenance recommendations; complete all service documentation accurately.Operate independently in the field while tapping into technical support when needed.Maintain your service vehicle and tooling; uphold company and customer safety standards.Travel RhythmField-first role covering St. Louis and nearby territories.Travel is mostly regional—most days end at home.Occasional overnight trips occur based on project needs.This is not a nationwide travel position.Who Thrives HereWe hire for troubleshooting strength. People from the following paths do especially well:Heavy equipment, construction equipment, or equipment rental serviceDiesel technician/mechanic or generator technicianField/road/mobile equipment mechanicHydraulic technician; industrial mechanic or maintenance technicianPump technician; agricultural equipment technicianWhat Sets You ApartHands-on experience with diesel-powered machinery and hydraulic systems (pumps, motors, hoses, cylinders, valves).Comfort with rotating equipment and complex mechanical systems.A root-cause approach—troubleshoot first, then repair.Ability to interpret mechanical drawings, service documentation, and hydraulic schematics.Field service experience and confidence to work independently at customer locations.High mechanical aptitude and practical problem-solving skills.Familiarity with our exact equipment isn’t required. If you bring strong diesel, hydraulic, heavy equipment, or industrial mechanical experience, we’ll provide targeted training on our systems.Rewards & GrowthCompetitive compensationComprehensive health benefits: medical, dental, visionRetirement benefitsPaid time off and holidaysCompany-provided tools and/or service equipmentOngoing technical training and clear advancement pathsStable, year-round workloadVariety of equipment and technical challengesCore Strengths You BringEquipment TroubleshootingDiesel Engine SystemsDiesel & Heavy Equipment SystemsHydraulic Systems & ComponentsEquipment Diagnostics & TroubleshootingIf you want independence in your work, take pride in solving tough mechanical problems, and like seeing the direct impact of your skill on customer uptime, this role offers the right mix of challenge, variety, stability, and career progression.