Data Center Technician-Electrical Mitchell MartinData Center Technician-ElectricalMerrifield, VA$29.40–$42 / hourBy applying for this job, you agree to receive AI-generated calls, text messages, and/or emails from Mitchell Martin Inc and its affiliates and contracted partners at various frequency through traditional and automated methods. You can access our privacy policy here https://www.mitchellmartin.com/privacy-policy. .
NewElectrical Maintenance Technician 4 Sparks GroupElectrical Maintenance Technician 4Washington, DC$50–$65 / hourp>Download the Sparks Group mobile app from Apple App Store or Google Play.. Maintain and troubleshoot industrial electrical systems, including power distribution, UPS systems, generators, transfer switches, DC systems, BAS controls, and HVAC-related electrical infrastructure.
41838 Master Automotive Technician Ourisman Chrysler Jeep Dodge Of Alexandria41838 Master Automotive TechnicianAlexandria, VAFull timediv style="text-align:center">Be a part of one of the most important teams in the dealership - The service department! Master-Level Automotive Technicians will quickly and efficiently perform routine maintenance and identify the cause of breakdowns and repair them using the most optimal solutions. Confer with customers or service advisors to obtain descriptions of vehicle problems, and to discuss work to be performed and future repair requirements.
41838 Automotive Body Technician Ourisman Chrysler Jeep Dodge Of Alexandria41838 Automotive Body TechnicianAlexandria, VAFull timediv style="text-align:center">Ourisman Chrysler is looking for an experienced Auto Body Tech to join its service team! DUTIES AND RESPONSIBILITIES MAY INCLUDE: . Remove upholstery, accessories, electrical and hydraulic window-and-seat-operating equipment, and trim to gain access to vehicle body and fenders.
NewHVAC Technician JobotHVAC TechnicianEssex, MD$35–$50 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The ideal candidate is a licensed Maryland Journeyman with a strong troubleshooting background, excellent customer service skills, and the ability to work independently.
Mechanical Service Technician JobotMechanical Service TechnicianFairfax, VA$25–$35 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. As a Mechanical Service Technician on our team, you will perform service, maintenance, troubleshooting, and repair of HVAC/mechanical systems across a range of commercial and residential service calls.
Equipment Maintenance Technician (Savage, MD) Lifting Gear Hire CorpEquipment Maintenance Technician (Savage, MD)West Baltimore, MDDescription:Founded in 1990, LGH stands at the forefront of the hoisting and rigging equipment rental industry, providing rental equipment responsible for the installation, maintenance, and repair of everything from the bridges you drive on to the sports stadiums you visit. · Mechanical background or aptitude strongly preferred - automotive mechanic/machine shop/heavy equipment operator/mechanic/deisel mechanic/engine repair experience..
Plumbing Service Technician JobotPlumbing Service TechnicianFairfax, VA$25–$35 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. As a Plumbing Service Technician on our team, you will perform service, maintenance, troubleshooting, and repair of plumbing systems across a range of commercial and residential service calls.
NewBAS Service Technician - Delta Controls JobotBAS Service Technician - Delta ControlsFairfax, VA$40–$50 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. About the Role: We are seeking a skilled and motivated Building Automation Service Technician to support service, maintenance, troubleshooting, and commissioning of building automation systems across commercial and mission-critical facilities in Northern Virginia.
Electrical Engineer II (VA) GCR Professional ServicesElectrical Engineer II (VA)Chantilly, Virginia$40–$50 / hourContractorProject Management: Plan and manage electrical engineering projects, including creating project timelines, allocating resources, and coordinating with cross-functional teams. Collaboration: Collaborate with other engineers, technicians, and professionals to integrate electrical systems into larger projects or products.
NewBuilding Auotmation Lead Controls Technician, HVAC ABM IndustriesBuilding Auotmation Lead Controls Technician, HVACWashington, DC$50–$57For information about ABM’s benefits, visit ABM Employee Benefits | Front Line Team Members. Experience with BAS/controls contractors or large controls organizations such as Calvert Controls, Pritchett Controls, HVAC Concepts, S&W Controls, Johnson Controls, Honeywell Controls, or similar companies is preferred but not required.
NewMaintenance Technician HITT ContractingMaintenance TechnicianFalls Church, VA$25–$32 / hourp style="text-align:left">Every day, our team members do amazing things in pursuit of our shared purpose to build trust with our clients, partners, subcontractors, and teammates. Documents completed work, updates maintenance records, and uses smart building technologies and building automation systems to complete work orders.
NewHVAC/DDC Technician – Operations & Maintenance System OneHVAC/DDC Technician – Operations & MaintenanceCatonsville, MD$36–$40 / hourul>Support the operation, inspection, troubleshooting, and maintenance of HVAC equipment, Building Automation Systems (BAS), Direct Digital Control (DDC) systems, steam and hot water systems, chillers, air handling units, geothermal heat pumps, and related energy management equipment. Complete scheduled preventive maintenance activities, inspect electrical connections, motors, bearings, belts, filters, refrigerant systems, pumps, valves, and safety devices, and ensure compliance with safety and regulatory requirements.
Diesel Technician/Mechanic III - Entry Level PenskeDiesel Technician/Mechanic III - Entry LevelJessup, MDFull timeWillingness to work the required schedule, work at the specific location required, complete Penske employment application, submit to a background screening (to include criminal checks, past employment and education), the ability to pass a drug screen and physical as required by the Department of Transportation, and potential travel within a near geography for training are required. • Doing preventative maintenance repairs—like replacing or rotating tires—and completing vehicle component lubrication and replacement, some electrical system repairs, and cooling system maintenance on gas and diesel engine vehicles.
NewRail Services Technician System OneRail Services TechnicianLandover Hills, MD$48,000–$70,000 / yearSystem One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Preparation of the job to be be accomplished by studying any document related but not limited to assembly instructions, FMIs, blueprint specifications, as well as have a good understanding of parts lists, subassemblies, tools, and materials.
Body Shop Technician II PenskeBody Shop Technician IIAnnapolis Junction, MDFull timeDuties may include the overhaul, adjustment, replacement and repair of all series of motor truck and trailer equipment including, but not limited to the following: Cab/ Sheet Metal Repair, Fiberglass Repair, Composite Bonding/ Repair, Welding/ Fabricating, Frame Straightening/ Alignment, Suspension Repair/ Alignment, Box Repair/ Replacement, Air Conditioning Systems, Electrical/ Brake/Cooling Systems, Surface Preparation, and Paint/ Mixing/ Tinting/ Blending. • Willingness to travel as necessary, work the required schedule, work at the specific location required, complete Penske employment application, submit to a background investigation (to include past employment, education, and criminal history) and drug screening are required.
Body Shop Technician I PenskeBody Shop Technician IAnnapolis Junction, MDFull timeDuties may include the overhaul, adjustment, replacement and repair of all series of motor truck and trailer equipment including, but not limited to the following: Cab/ Sheet Metal Repair, Fiberglass Repair, Composite Bonding/ Repair, Welding/ Fabricating, Frame Straightening/ Alignment, Suspension Repair/ Alignment, Box Repair/ Replacement, Air Conditioning Systems, Electrical/ Brake/Cooling Systems, Surface Preparation, and Paint/ Mixing/ Tinting/ Blending. As an experienced Body Shop Technician with Penske, you’ll use industry-leading technology and repair techniques – plus cutting-edge diagnostic equipment – to get our customers' state-of-the-art vehicles back up and running in high-quality condition.
HVAC Technician STAMPEDE VENTURES INCHVAC TechnicianBaltimore, MDli>Handle and repair test equipment, complex centrifugal chillers, direct expansion and chilled water-based cooling systems, large air handlers, electronic and pneumatic direct digital control systems, and air distribution systems. Perform repairs and maintenance of reach in, walk in, stand alone ice machines, central plan chillers, pumps, free standing A/C units, refrigerators, roof top cooling units, and guest rooms A/C units.
Experienced HVAC Service Technician ARS-Rescue RooterExperienced HVAC Service TechnicianColumbia, MD$25–$35p style="margin:0px">Join ARS-Rescue Rooter, the nation’s largest provider of residential HVAC, heating, air conditioning, plumbing, and electrical services, with more than 7,000 team members and over 45 years of experience delivering trusted home comfort solutions. Responsibilities: As a Residential HVAC Service Technician, you will: Troubleshoot and diagnose residential HVAC systems, including furnaces, heat pumps, and air conditioning units.
HVAC Service Technician ARS-Rescue RooterHVAC Service TechnicianBowie, MD$25–$35p style="margin:0px">Join ARS-Rescue Rooter, the nation’s largest provider of residential HVAC, heating, air conditioning, plumbing, and electrical services, with more than 7,000 team members and over 45 years of experience delivering trusted home comfort solutions. Responsibilities: As a Residential HVAC Service Technician, you will: Troubleshoot and diagnose residential HVAC systems, including furnaces, heat pumps, and air conditioning units.
NewFIELD SERVICE TECHNICIAN Carter Machinery Company, IncFIELD SERVICE TECHNICIANSterling, VA$35–$49.94 / hourli>Service, diagnose and repair all machine components and systems, including engine/components air conditioning units; change hoses; repair cylinders, buckets, and booms; at customer's jobsite. Regularly required to stand; walk; use hands to finger, handle, or feel; reach with hands and arms; climb or balance; stoop, kneel, crouch, or crawl and talk or hear.
NewHEAVY EQUIPMENT SHOP TECHNICIAN Carter Machinery Company, IncHEAVY EQUIPMENT SHOP TECHNICIANSterling, VA$30.45–$43.47 / hourul>Regularly required to stand; walk; use hands to finger, handle, or feel; reach with hands and arms; climb or balance; stoop, kneel, crouch, or crawl and talk or hear. In addition to base pay, the compensation package may include participation in performance-based incentive programs (e.g., discretionary or non-discretionary plans), as well as overtime eligibility depending on the role.
HVAC Service Technician McCarthy ServicesHVAC Service TechnicianSpringfield, VAp style="margin:0px">Join McCarthy Services, part of the nation’s largest provider of residential HVAC, heating, air conditioning, plumbing, and electrical services, with more than 7,000 team members and over 45 years of experience delivering trusted home comfort solutions. Responsibilities: As a Residential HVAC Service Technician, you will: Troubleshoot and diagnose residential HVAC systems, including furnaces, heat pumps, and air conditioning units.
NewService Technician United RentalsService TechnicianSterling, VAul>Deep understanding of IP video, CCTV, networking protocols (TCP/IP), and VMS software (e.g., Milestone, Axis, Hikvision), along with basic mechanical knowledge for installing, adjusting, and repairing physical system components. They possess strong networking skills, handle complex troubleshooting, manage VMS software, and work independently to ensure system reliability and security compliance.
NewPower & HVAC Road Technician 2 Sunbelt RentalsPower & HVAC Road Technician 2Jessup, MD$31.13–$44.74 / hourThe following is a sample (but not exhaustive) list of the MOS, AFSC, and NEC Codes that may have transferrable skill sets that apply to this role: 001030 001085 001140 002068 1391 2F011 2F031 2F051 2F071 301 3374 3601 3E412 3E432 3E452 4140 4142 4143 4145 4149 4151 4222 4225 4226 4227 4229 4231 4233 4234 4237 4253 4291 4307 4308 4314 4316 4324 4355 4366 4509 4604 52X 63J 7022 70F9 7601 7606 7612 7613 7614 7615 7616 7617 77F 91A 91D 91E 91J 91L 91P 91X 92F 9559 9594 95AB ABE ABF AS EM EN FC GSE GSM MM MM(NUC) MR. Related experience may include: Construction Equipment Mechanic, Equipment Mechanic, Equipment Technician, Field Mechanic, Field Service Technician, Field Technician, Heavy Equipment Mechanic, Heavy Equipment Technician, Mechanic, Mobile Heavy Equipment Mechanic, Lubricator, Machine Repairer, Maintainer, Maintenance Electrician, Maintenance Man, Maintenance Mechanic, Maintenance Technician, Maintenance Worker, Oiler, Overhauler.
NewTechnician 1 Sunbelt RentalsTechnician 1White Plains, MD$21.84–$30.03 / hourTechnician, Diesel Technician, Diesel Mechanic, Service Technician, Heavy Equipment Mechanic, Hydraulic Technician, Hydraulic Mechanic, ASE Certified Mechanic, IFPS Certified Technician. Sunbelt offers team members the following paid time off from work, subject to Sunbelt's policies (unless specified in a collective bargaining agreement): 12-25 vacation days depending on years of service.
NewTechnician 2 Sunbelt RentalsTechnician 2McLean, VA$24.58–$33.80 / hourThe following is a sample (but not exhaustive) list of the MOS, AFSC, and NEC Codes that may have transferrable skill sets that apply to this role: 711 713 2506 2584 4130 4133 4541 5899 6071 6072 7603 7607 7610 7618 13D 13M 13P 13R 13T 2T311A 2T311C 2T312A 2T312B 2T312C 2T331A 2T331C 2T332A 2T332B 2T332C 2T351 2T351A 2T351C 2T352A 2T352C 62B 63A 63D 63E 63H 63M 63N 63S 63T 63Y 88R 91A 91B 91E 91H 91L 91M 91P 91S ABE ABH AS CM EN GSM MM MM(NUC) MR SB. Related experience may include: Shop Mechanic, Mechanic, Technician, Service Foreman, Service Manager, Shop Manager, Mechanic Supervisor, Technician Supervisor, Lead Mechanic, Lead Technician, Diesel Technician, Diesel Mechanic, Service Technician, Heavy Equipment Mechanic, Hydraulic Technician, Hydraulic Mechanic, ASE Certified Mechanic, IFPS Certified Technician.
NewEMS Road Technician 2 Sunbelt RentalsEMS Road Technician 2Laurel, MD$31.13–$42.80 / hour5 +years of Technician experience with similar diesel equipment and/or heavy equipment or specialty lines equipment (large-scale generators, pumps, HVAC or Oil & Gas equipment) strongly preferred. Technician, Diesel Technician, Diesel Mechanic, Service Technician, Heavy Equipment Mechanic, Hydraulic Technician, Hydraulic Mechanic, ASE Certified Mechanic, IFPS Certified Technician.
Clinical Engineer Technician II MedStar HealthClinical Engineer Technician IIBaltimore, MD$28.76–$48.96Under the general direction of the Clinical Engineering leadership team the Clinical Engineering Technician II is primarily responsible for maintaining clinical equipment and systems considered to be advanced specialty highly sophisticated integrated technology or requiring manufacturer service training or certification through the effective use of the medical equipment management plan while adhering to all medical equipment policies and procedures and manufacturer or alternative equipment maintenance (AEM) specifications. related military work/training in mechanical or electrical engineering or academic work or actual work experience aligned with AAMI's Core Competencies for the Biomedical Equipment Technician.
Clinical Engineer Technician III MedStar HealthClinical Engineer Technician IIIWashington, DC$28.76–$48.96Under the general oversight of the Clinical Engineering leadership team the Clinical Engineering Technician III as an expert technician maintains clinical equipment with minimal supervision through the effective use of the medical equipment management plan and all medical equipment policies and procedures and manufacturer or alternative equipment maintenance (AEM) specifications. related military work/training in mechanical electrical bio medical engineering or academic work or actual work experience aligned with AAMI's Core Competencies for the Biomedical Equipment Technician.
NewELECTRIC POWER GENERATION (EPG) FIELD TECHNICIAN Carter Machinery Company, IncELECTRIC POWER GENERATION (EPG) FIELD TECHNICIANManassas, VA$35.32–$50.91 / hourul>Minimum three years' experience diagnosing, troubleshooting, and repairing complex issues and performing heavy electrical repairs to electrical generator systems and related equipment. Regularly required to stand, walk; use hands to finger, handle, or feel; reach with hands and arms; climb or balance; stoop, kneel, crouch, or crawl and talk or hear.
NewELECTRIC POWER GENERATION (EPG) APPRENTICE TECHNICIAN Carter Machinery Company, IncELECTRIC POWER GENERATION (EPG) APPRENTICE TECHNICIANManassas, VA$22–$28 / hourThe EPG Apprentice Technician is provided training and development to accurately troubleshoot and diagnose, inspect, maintain and repair engines and related electrical systems on generators and automatic transfer switches. Required to stand; walk; use hands to finger, handle, or feel; reach with hands and arms; climb or balance; stoop, kneel, crouch, or crawl and talk or hear.
Industrial Maintenance Technician Elite Technical RecruitingIndustrial Maintenance TechnicianPoint of Rocks, MD$33–$35 / hourFull timeAs a Maintenance Technician, you will work with the maintenance manager and supervisor to complete building repairs, equipment installation, troubleshooting and installation, fulfillment of assigned work orders and unforeseen repairs in a timely fashion. Replace faulty electrical components of machine such as relays, switches, and motors, and position sensing devices such as proximity switch timers, scanners and photo electric devices.
NewELECTRIC POWER GENERATION (EPG) SHOP TECHNICIAN Carter Machinery Company, IncELECTRIC POWER GENERATION (EPG) SHOP TECHNICIANElkridge, MDul> Previous experience diagnosing and troubleshooting basic engine failures and performing mechanical repairs to electrical generator systems and related equipment or completed EPG Apprenticeship program. The EPG Shop Technician is responsible for accurately diagnosing, troubleshooting and repairing basic operational failures to electrical generator systems and basic engine failures or related components.
NewMARINE FIELD TECHNICIAN Carter Machinery Company, IncMARINE FIELD TECHNICIANElkridge, MD$33.22–$49.94 / hourThe Marine Field Technician is responsible for diagnosing, troubleshooting and performing intermediate level mechanical and electrical repairs and complete overhauls on marine engines and propulsion systems. Minimum two years' experience diagnosing, troubleshooting, and repairing intermediate level mechanical and electrical DOC/DPF/SCR with marine engines and equipment control systems.
FACILITIES MAINTENANCE TECHNICIAN Carter Machinery Company, IncFACILITIES MAINTENANCE TECHNICIANElkridge, MD$30.45–$38.28 / hourIn addition to base pay, the compensation package may include participation in performance-based incentive programs (e.g., discretionary or non-discretionary plans), as well as overtime eligibility depending on the role. The Facilities Maintenance Technician position is responsible for providing the highest level of service and maintenance to assigned facilities in order to keep utilities and equipment in optimum operating condition.
Experienced HVAC Service Technician Blue Dot Heating, Air ConditioningExperienced HVAC Service TechnicianGlen Burnie, MD$25–$40This role is hands-on and customer-facing — you’ll work inside homes (including attics and crawl spaces) to troubleshoot issues, complete quality repairs, and restore systems safely and professionally. High-volume HVAC company servicing the Glen Burnie area has immediate openings for MD Licensed Service Technicians..
NewLoad Banks Technician 1 Sunbelt RentalsLoad Banks Technician 1Sterling, VA$21.84–$31.39 / hourPosition Responsibilities: Services and oversees repairs of all electrical equipment as required to ensure proper working condition when leaving the shop; dismantles and reassembles/rebuilds equipment; fabricates parts and equipment as required to meet shop and customer needs; diagnoses complex mechanical equipment problems. Some Sunbelt jobs may require driving for long periods of time, loading and unloading heavy equipment, performing work in extreme weather conditions including rain, wind or excessive temperatures and/or night and weekend work.
NewRENTAL APPRENTICE TECHNICIAN Carter Machinery Company, IncRENTAL APPRENTICE TECHNICIANSterling, VA$22–$24 / hourFor individuals with a strong mechanical aptitude who are graduating high school, veterans exiting the military, or technicians wanting to change from other mechanical fields (i.e., automotive, HVAC, etc.) you may be a great candidate for our in-house fully accredited 15-month Apprenticeship Program. The program will train and develop you to troubleshoot and diagnose diesel equipment problems, perform repairs, recondition and service heavy equipment and components, all while being paid, receiving full-time benefits, and not incurring any education expenses.
NewRENTAL FIELD SERVICE TECHNICIAN Carter Machinery Company, IncRENTAL FIELD SERVICE TECHNICIANDistrict Heights, MD$35–$49.94 / hourThe Rental Field Service Technician applies advanced-level mechanical aptitude to perform maintenance and repairs to Caterpillar and allied rental equipment in the shop and at customer job sites; applies troubleshooting techniques and determines proper repair procedures; prepares parts requisitions. Must have thorough knowledge of engines, transmissions, electrical and other related components to troubleshoot and analyze unique and high level problems/issues quickly, and improvise using logic and critical thinking skills to make needed repairs.
NewRoad Technician Level 1 Sunbelt RentalsRoad Technician Level 1Sterling, VA$21.84–$31.39 / hourSome Sunbelt jobs may require driving for long periods of time, loading and unloading heavy equipment, performing work in extreme weather conditions including rain, wind or excessive temperatures and/or night and weekend work. proper working condition when leaving the shop; dismantles and reassembles/rebuilds equipment; fabricates parts and equipment as required to meet shop and customer needs; diagnoses complex mechanical equipment problems.
NewMaintenance Trainer - Fairfax TransdevMaintenance Trainer - FairfaxFairfax, VA$80,000–$100,000 / yearli>Performs physical activities that require considerable use of the arms, repetitive hand-wrist motion, and legs and moving the whole body, such as climbing, lifting, balancing, walking, stooping, and handling of passengers and materials. Partner with Maintenance Manager and leadership team to address training needs based on key performance indicators such as road calls, repeat repairs, and preventive maintenance compliance.
HVAC Tech - Residential ARS-Rescue RooterHVAC Tech - ResidentialBaltimore, MD$25–$35p style="margin:0px">Join ARS-Rescue Rooter, the nation’s largest provider of residential HVAC, heating, air conditioning, plumbing, and electrical services, with more than 7,000 team members and over 45 years of experience delivering trusted home comfort solutions. Responsibilities: As a Residential HVAC Service Technician, you will: Troubleshoot and diagnose residential HVAC systems, including furnaces, heat pumps, and air conditioning units.
HVAC Service Tech ARS-Rescue RooterHVAC Service TechLaurel, MD$25–$35p style="margin:0px">Join ARS-Rescue Rooter, the nation’s largest provider of residential HVAC, heating, air conditioning, plumbing, and electrical services, with more than 7,000 team members and over 45 years of experience delivering trusted home comfort solutions. Responsibilities: As a Residential HVAC Service Technician, you will: Troubleshoot and diagnose residential HVAC systems, including furnaces, heat pumps, and air conditioning units.
Residential HVAC Service Tech McCarthy ServicesResidential HVAC Service TechWoodbridge, VAp style="margin:0px">Join McCarthy Services, part of the nation’s largest provider of residential HVAC, heating, air conditioning, plumbing, and electrical services, with more than 7,000 team members and over 45 years of experience delivering trusted home comfort solutions. Responsibilities: As a Residential HVAC Service Technician, you will: Troubleshoot and diagnose residential HVAC systems, including furnaces, heat pumps, and air conditioning units.
NewField Diesel Mechanic- CES United RentalsField Diesel Mechanic- CESBaltimore, MD$28.20–$44.70 / hourAs a Field Diesel Mechanic - Customer Equipment Solutions (Service Tech IV - Field Service - CES), you'll use your skills to perform maintenance and repairs of complex equipment on customer owned equipment with limited or no supervision in a highly skilled, safe, and professional manner. Maintenance and repair of complex mechanical, electrical, hydraulic, and diesel systems on a variety of rental and customer equipment and tools while using a high degree of independent judgment.
NewField Diesel Mechanic United RentalsField Diesel MechanicUpper Marlboro, MD$29.80–$48.95 / hourAs a Field Diesel Mechanic (Service Tech IV - Field Service), you'll use your skills to perform maintenance and repairs of complex equipment with limited or no supervision in a highly skilled, safe, and professional manner. Maintenance and repair of complex mechanical, electrical, hydraulic, and diesel systems on a variety of rental and customer equipment and tools while using a high degree of independent judgment.