Commercial HVAC/R Service Technician JobotCommercial HVAC/R Service TechnicianStafford, VA$35–$40 / 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. We are an established HVAC company serving Northern Virginia and Maryland, committed to delivering high-quality commercial HVAC/R services.
NewFIELD SERVICE TECHNICIAN Carter Machinery Company, IncFIELD SERVICE TECHNICIANWarrenton, VA$35–$49.94 / hourService, 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.
NewField Service Technician 2 Sunbelt RentalsField Service Technician 2Mineral, VA$24.05–$33.06 / 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 SBRelated 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. * Bilingual (Spanish or Other) may be required based on location needsThe physical demands of this role require bending, squatting, crouching, reaching, lifting 50 pounds or more, and working indoors/outdoors when required by the job.
NewService Technician - CDL Required AmeriGas Propane, Inc.Service Technician - CDL RequiredCulpeper, VA$31–$32 / hourSuccessful applicants shall be required to pass a pre-employment drug screen as a condition of employment, and if hired, shall be subject to substance abuse testing in accordance with AmeriGas policies. The Company offers a wide array of comprehensive benefit programs and services including medical, dental, vision, flexible spending and health savings accounts to our benefits-eligible employees.
HVAC Service Technician – Residential ARS-Rescue RooterHVAC Service Technician – ResidentialManassas, VA$75,000–$120,000 / hourResponsibilities: Troubleshoot, service, and repair residential HVAC systems with the support of full training, professional tools, and a strong leadership network. ARS is the nation’s largest residential HVAC and plumbing provider, with 7,000+ team members and more than 45 years in the field.
Service Manager Tiger Fuel CompanyService ManagerFredericksburg, VA$65,000–$75,000 / yearp>• Train and ensure all assigned employees are aware of and comply with Tiger Fuel Company’s procedures and regulations • Demonstrate safety leadership by role modeling and inspiring team members to take responsibility for their own safety and the safety of others • Assure all team members are safety trained and have appropriate resources/support. Description:The Service Manager leads all plant service team activities, manages all aspects of people development and is responsible for the overall performance (sales, operations, profit, and growth) of the service team while ensuring our commitment to providing high quality work.
HVAC Systems Service Technician – Residential Total ComfortHVAC Systems Service Technician – ResidentialStafford, VA$60,000–$100,000 / hourTotal Comfort, is part of the ARS family of HVAC professionals, the nation’s largest provider of residential HVAC, plumbing, and electrical services with 7,000+ team members and over 45 years of experience. Responsibilities: Troubleshoot, service, and repair residential HVAC systems with the support of full training, professional tools, and a strong leadership network.
NewAccounting Technician II Kforce Inc.Accounting Technician IIWoodbridge, VA$35–$40Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs. By clicking “Apply Today” you agree to receive calls, AI-generated calls, text messages or emails from Kforce and its affiliates, and service providers.
Electronics Maintenance Technician II Bowhead / UIC Technical ServicesElectronics Maintenance Technician IIDahlgren, VAThis contract will provide configuration management (CM), logistics, mechanical and electrical engineering technician services, field service support, project management, drafting and design, technical writing, and acquisition services to the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), Unmanned & Expeditionary Weapon Systems (H40) Division and Intelligent Automation (H60) Division. The following certifications are also desired: IPC J-STD-001 Solder, IPC-A-610 Acceptability of Electronics Assemblies, IPC-A-600 Acceptability of Printed Boards, IPC-WHMA-A-620 Requirements and Acceptance for Cable and Wire Harness Assemblies, and IPC-7711B/7721B Rework, Modification and Repair of Electronic Assemblies.
Electronics Maintenance Technician III Bowhead / UIC Technical ServicesElectronics Maintenance Technician IIIDahlgren, VAThis contract will provide configuration management (CM), logistics, mechanical and electrical engineering technician services, field service support, project management, drafting and design, technical writing, and acquisition services to the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), Unmanned & Expeditionary Weapon Systems (H40) Division and Intelligent Automation (H60) Division. The following certifications are also desired: IPC J-STD-001 Solder, IPC-A-610 Acceptability of Electronics Assemblies, IPC-A-600 Acceptability of Printed Boards, IPC-WHMA-A-620 Requirements and Acceptance for Cable and Wire Harness Assemblies, and IPC-7711B/7721B Rework, Modification and Repair of Electronic Assemblies.
Senior Help Desk Technician Bowhead / UIC Technical ServicesSenior Help Desk TechnicianDahlgren, VAThe selected candidate will be accountable for offering comprehensive support through in-person consultations, telephone communications, and email correspondence, with the aim of addressing client concerns related to computer malfunctions and inquiries pertaining to hardware and software. Bowhead iscurrently seeking/searching for a qualified On-Site Tier III Senior Help Desk Support Technician to deliver exceptional technical assistance to our end-users in Dahlgren, VA.
Engineering Technician I Bowhead / UIC Technical ServicesEngineering Technician IDahlgren, VAThis contract will provide configuration management (CM), logistics, mechanical and electrical engineering technician services, field service support, project management, drafting and design, technical writing, and acquisition services to the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), Unmanned & Expeditionary Weapon Systems (H40) Division and Intelligent Automation (H60) Division. Experience in developing and testing solutions to solve technical problems in research and development, manufacturing, inspection, and maintenance; while assisting engineers in inspecting products, conducting tests, and collecting data.
Weapons Engineering Technician- Senior Bowhead / UIC Technical ServicesWeapons Engineering Technician- SeniorDahlgren, VAThis contract will provide configuration management (CM), logistics, mechanical and electrical engineering technician services, field service support, project management, drafting and design, technical writing, and acquisition services to the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), Unmanned & Expeditionary Weapon Systems (H40) Division and Intelligent Automation (H60) Division. Associates Degree (or higher) in Mechanical or Electrical Engineering technical discipline or four (4) years of military weapons school focusing on medium size weapons or small munitions operation and testing, maintenance, and sustainment of weapons.
Engineering Technician II Bowhead / UIC Technical ServicesEngineering Technician IIDahlgren, VAThis contract will provide configuration management (CM), logistics, mechanical and electrical engineering technician services, field service support, project management, drafting and design, technical writing, and acquisition services to the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), Unmanned & Expeditionary Weapon Systems (H40) Division and Intelligent Automation (H60) Division. Experience in developing and testing solutions to solve technical problems in research and development, manufacturing, inspection, and maintenance; while assisting engineers in inspecting products, conducting tests, and collecting data.
Engineering Technician IV Bowhead / UIC Technical ServicesEngineering Technician IVDahlgren, VAThis contract will provide configuration management (CM), logistics, mechanical and electrical engineering technician services, field service support, project management, drafting and design, technical writing, and acquisition services to the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), Unmanned & Expeditionary Weapon Systems (H40) Division and Intelligent Automation (H60) Division. Experience in developing and testing solutions to solve technical problems in research and development, manufacturing, inspection, and maintenance; while assisting engineers in inspecting products, conducting tests, and collecting data.
Supply Technician Bowhead / UIC Technical ServicesSupply TechnicianDahlgren, VAThis contract will provide configuration management (CM), logistics, mechanical and electrical engineering technician services, field service support, project management, drafting and design, technical writing, and acquisition services to the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), Unmanned & Expeditionary Weapon Systems (H40) Division and Intelligent Automation (H60) Division. Processes and tracks project procurements in a prompt, cooperative, and efficient manner from pre-order through invoice payment.
Engineering Technician V Bowhead / UIC Technical ServicesEngineering Technician VDahlgren, VAThis contract will provide configuration management (CM), logistics, mechanical and electrical engineering technician services, field service support, project management, drafting and design, technical writing, and acquisition services to the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), Unmanned & Expeditionary Weapon Systems (H40) Division and Intelligent Automation (H60) Division. Experience in developing and testing solutions to solve technical problems in research and development, manufacturing, inspection, and maintenance; while assisting engineers in inspecting products, conducting tests, and collecting data.
Engineering Technician VI Bowhead / UIC Technical ServicesEngineering Technician VIDahlgren, VAThis contract will provide configuration management (CM), logistics, mechanical and electrical engineering technician services, field service support, project management, drafting and design, technical writing, and acquisition services to the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), Unmanned & Expeditionary Weapon Systems (H40) Division and Intelligent Automation (H60) Division. Experience in developing and testing solutions to solve technical problems in research and development, manufacturing, inspection, and maintenance; while assisting engineers in inspecting products, conducting tests, and collecting data.
Engineering Technician III Bowhead / UIC Technical ServicesEngineering Technician IIIDahlgren, VAThis contract will provide configuration management (CM), logistics, mechanical and electrical engineering technician services, field service support, project management, drafting and design, technical writing, and acquisition services to the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), Unmanned & Expeditionary Weapon Systems (H40) Division and Intelligent Automation (H60) Division. Experience in developing and testing solutions to solve technical problems in research and development, manufacturing, inspection, and maintenance; while assisting engineers in inspecting products, conducting tests, and collecting data.
NewAuto Body Technician (Flat Rate) The Boyd GroupAuto Body Technician (Flat Rate)Lorton, VAJob Description: The Auto Body Technician’s primary responsibility and accountability includes providing an exceptional and successful customer experience through the meticulous assessment and quality repair of each customer’s vehicle to restore it back to pre-accident condition. See The Boyd Group Privacy Policy at https://www.nasrecruitment.com/activate-privacy-policy/ and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions.
Residential HVAC Technician McCarthy ServicesResidential HVAC TechnicianStafford, 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.
Technician 2 Sunbelt RentalsTechnician 2Fredericksburg, 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.
Technician 1 Sunbelt RentalsTechnician 1Lorton, VA$21.84–$30.03 / 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.
Equipment Technician 2 Sunbelt RentalsEquipment Technician 2WARRENTON, VA$23.52–$32.34 / 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.
NewClimate & Remediation Setup Technician Herc Rentals IncClimate & Remediation Setup TechnicianManassas, VA$24–$25.50 / hourCRC Driver and Service Technicians champion our core competencies which help to deliver our industry leading services such as providing "White Glove" service to all customers, become product experts, ensuring our equipment is ready to rent and be a champion for our safety culture. Use technology such as iPad, laptops, smart phones and Interactive Voice Recognition (i.e. Siri or Google Assistant) to document projects from daily notes, labor logs, progress reports, change orders, and all other necessary documentation for each project.
NewELECTRIC POWER GENERATION (EPG) FIELD TECHNICIAN Carter Machinery Company, IncELECTRIC POWER GENERATION (EPG) FIELD TECHNICIANFredericksburg, VA$35.32–$50.91 / hourMinimum 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.
NewEXPRESS LUBE TECHNICIAN: 2ND SHIFT Carter Machinery Company, IncEXPRESS LUBE TECHNICIAN: 2ND SHIFTWaldorf, MD$34.97–$43.96 / hourRegularly 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.
Residential HVAC Maintenance & Repair Technician ARS-Rescue RooterResidential HVAC Maintenance & Repair TechnicianWoodbridge, VA$75,000–$120,000 / hourResponsibilities: Troubleshoot, service, and repair residential HVAC systems with the support of full training, professional tools, and a strong leadership network. ARS is the nation’s largest residential HVAC and plumbing provider, with 7,000+ team members and more than 45 years in the field.
NewGenerator & Electrical Technician (Load Bank Testing) Sunbelt RentalsGenerator & Electrical Technician (Load Bank Testing)Newburg, MD$20.89–$30.02 / hourServices and oversees major repairs of all types of 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. Troubleshoot/repair small load banks, resistor racks on large load banks, power distribution items, trailers, and low voltage cables.
Residential HVAC Service Tech McCarthy ServicesResidential HVAC Service TechWoodbridge, VAJoin 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. We are hiring skilled HVAC Service Technicians to diagnose, troubleshoot, service, and repair residential heating and air conditioning systems.
NewELECTRIC POWER GENERATION (EPG) APPRENTICE TECHNICIAN Carter Machinery Company, IncELECTRIC POWER GENERATION (EPG) APPRENTICE TECHNICIANFredericksburg, 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.
NewRENTAL SHOP TECHNICIAN Carter Machinery Company, IncRENTAL SHOP TECHNICIANWaldorf, MD$30.45–$43.47 / hourThe Rental Shop Technician is responsible for applying troubleshooting techniques to determine repair procedures, diagnosing basic repairs, and performing light mechanical repairs; inspecting returned equipment and attachments for repairs or maintenance; cleaning returned equipment; and assembling/repairing work tools in a shop environment. Ability 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.
NewFACILITIES MAINTENANCE TECHNICIAN Carter Machinery Company, IncFACILITIES MAINTENANCE TECHNICIANFredericksburg, VA$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 is responsible for providing the highest level of service and maintenance to assigned facilities to keep utilities and equipment in optimum operating condition.
Lead HVAC Install Technician Total ComfortLead HVAC Install TechnicianStafford, VA$60,000–$100,000Total Comfort, is part of the ARS family of HVAC professionals, the nation’s largest provider of residential HVAC, plumbing, and electrical services with 7,000+ team members and over 45 years of experience. Responsibilities: Disassemble and remove outdated HVAC systems, then install, start up, and troubleshoot new residential HVAC systems.
NewLicensed Veterinary Technician Banfield Pet HospitalsLicensed Veterinary TechnicianFredericksburg City, VA$25.32–$36.57 / hourBuild close relationships with pets and the humans who love them Work closely with teammates and cultivate a positive, dynamic work culture Impact the future of veterinary medicine with your own expertise and ways of practicing medicine Exemplify the Mars Five Principles — Quality, Responsibility, Mutuality, Efficiency, and Freedom What we offer Here at Banfield, we prioritize your well-being and professional growth by offering a comprehensive total rewards package, including health, wellness, and financial support for you, your family, and even your pets. Banfield Pet Hospital is hiring Full-Time and Part-Time LVTs for the following hospital locations: Massaponax Hospital: 9751 Patriot Hwy, Fredericksburg, VA 22407 Stafford Hospital: 1160 Stafford Market Place, Stafford, VA 22556 The pay range for this role is $25.32 to $36.57/hour.
NewRegistered Veterinary Technician Banfield Pet HospitalsRegistered Veterinary TechnicianWhite Plains, MD$25.32–$36.57 / hourBuild close relationships with pets and the humans who love them Work closely with teammates and cultivate a positive, dynamic work culture Impact the future of veterinary medicine with your own expertise and ways of practicing medicine Exemplify the Mars Five Principles — Quality, Responsibility, Mutuality, Efficiency, and Freedom What we offer Here at Banfield, we prioritize your well-being and professional growth by offering a comprehensive total rewards package, including health, wellness, and financial support for you, your family, and even your pets. Role responsibilities Provide furry, feathered, and scaled pets with the best possible care, especially preventive care Upon approval from supervising veterinarian, perform veterinary technician appointments.
NewTravel Respiratory Therapy Technician in Fredricksburg, VA AlliedTravelCareersTravel Respiratory Therapy Technician in Fredricksburg, VAFredricksburg, VAFrom Per Diem to Travel Contracts, miles away or local to you, Health Advocates Network can find you just what you are looking for. Our talented staffing team is committed to providing exceptional customer service, great opportunities with top pay and benefits.
NewTravel Respiratory Therapy Technician in Fredricksburg, VA Health Advocates NetworkTravel Respiratory Therapy Technician in Fredricksburg, VAFredricksburg, VAFrom Per Diem to Travel Contracts, miles away or local to you, Health Advocates Network can find you just what you are looking for. Our talented staffing team is committed to providing exceptional customer service, great opportunities with top pay and benefits.
Travel Respiratory Therapy Technician in Fredericksburg, VA Concentric Healthcare StaffingTravel Respiratory Therapy Technician in Fredericksburg, VAFredericksburg, VASchedule / Job TypeContract | Travel | 13-Week Assignment | Full-Time | Onsite | Nights (7:00 PM – 7:00 AM) | 3 x 12-hour shifts per week including every other weekend | Projected Start: July 6, 2026. Key ResponsibilitiesProvide respiratory therapy services within a NICU setting, delivering high-quality patient care to neonatal and adult populations.
NewLoad Banks Technician 1 Sunbelt RentalsLoad Banks Technician 1Newburg, MD$20.89–$30.02 / hourSunbelt 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. Our employees are our greatest asset, and although we present a comprehensive equipment offering, our expertise and service are what truly distinguish us from the competition.
Field Service Tech - GCMS HPLC - Analytical Instruments - Woodbridge, VA Diedre Moire Corp.Field Service Tech - GCMS HPLC - Analytical Instruments - Woodbridge, VAWoodbridge, VA$90,000–$140,000 / yearFull timeCONSIDERED EXPERIENCE INCLUDES: Metrologist Maintenance Calibration Technician Metrology Analytical Laboratory Instrumentation Validation Chromatography Mass Spectrometry HPLC UPLC GC MS GC/MS Chemistry Analyzers #DiedreMoire #JobSearch #JobHunt #JobOpening #Hiring #Job #Jobs #Careers #Employment #fieldservicejobs #technicianjobs #LabTechnicianJobs #MetrologistJobs #CalibrationTech. Described compensation is not definite nor precise and may be estimated and approximate and is negotiable depending on market conditions and candidate availability and other factors and is solely at the discretion of employers.
NewField Diesel Mechanic United RentalsField Diesel MechanicManassas, VAEvery day, you can improve and challenge yourself, and if you have the desire and ambition, you'll have the potential to work towards higher levels of Service Technician and leadership roles in our Service Department. The actual pay rate offered to candidates varies depending upon a wide range of factors including specific position, location, education, training, experience, skills, and ability.
NewField Diesel Mechanic - CES United RentalsField Diesel Mechanic - CESManassas, VAAs a Field Diesel Mechanic - Customer Equipment Solutions (Service Tech III - 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. Safe maintenance and repair of complex mechanical, electrical, hydraulic, and diesel systems on a variety of customer equipment and tools while using a high degree of independent judgment.