Automotive Mechanic CarmaxAutomotive MechanicSchertz, TXWhere required by State/Local law, maintain ASE Certifications in Steering and Suspension (A4), Brakes (A5), Heating Air Conditioning (A7), Electrical (A6), Engine Repair (A1), Manual Drive Train and Axles (A3), Engine Performance (A8), and Automatic Transmission/Transaxle (A2). Automotive Technicians diagnose, recondition and repair vehicles to ensure CarMax customers can drive away feeling safe and at ease.
(P) B52 Aircraft Electrical Mechanic - Level C The Structures Company, LLC(P) B52 Aircraft Electrical Mechanic - Level CSan Antonio, TX$35Keywords: aerospace, aviation, defense, aircraft electrical mechanic, avionics, depot maintenance, wiring harness, electrical systems, aircraft modification, maintenance technician, troubleshooting, aviation maintenance. As trusted partners to leading aerospace and defense OEMs and Tier 1 suppliers, we connect professionals with career opportunities to grow and excel in aviation, aerospace, and defense.
Aircraft Electrical Mechanic Level C The Structures Company, LLCAircraft Electrical Mechanic Level CSan Antonio, TXAs trusted partners to leading aerospace and defense OEMs and Tier 1 suppliers, we connect professionals with career opportunities to grow and excel in aviation, aerospace, and defense. Performs complex connector terminations including shielded wires, coaxial cables, and fiber optic wiring.
Electrical Mechanic Level 2 - DEFENSE The Structures Company, LLCElectrical Mechanic Level 2 - DEFENSESan Antonio, TXAs trusted partners to major aerospace OEMs and Tier 1 suppliers, we connect professionals with opportunities to grow and excel in the aviation and aerospace industries. Frequent reaching, walking, standing, balancing, rotation of head/neck, bending/stooping, crawling, squatting, and operating foot controls.
Aircraft Electrical Mechanic Level C The Structures CompanyAircraft Electrical Mechanic Level CSan Antonio, TXAs trusted partners to leading aerospace and defense OEMs and Tier 1 suppliers, we connect professionals with career opportunities to grow and excel in aviation, aerospace, and defense. Performs complex connector terminations including shielded wires, coaxial cables, and fiber optic wiring.
Electrical Mechanic Level 2 - DEFENSE The Structures CompanyElectrical Mechanic Level 2 - DEFENSESan Antonio, TXAs trusted partners to major aerospace OEMs and Tier 1 suppliers, we connect professionals with opportunities to grow and excel in the aviation and aerospace industries. Frequent reaching, walking, standing, balancing, rotation of head/neck, bending/stooping, crawling, squatting, and operating foot controls.
NewExperienced Electrical Mechanic - B-52 (2400) BoeingExperienced Electrical Mechanic - B-52 (2400)San Antonio, TexasThe Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Boeing Aerospace Operations Boeing Defense Space & Security (BDS) is looking for Experienced Electrical Mechanics to join our B-52 team in San Antonio, TX .
Avionics Aircraft Mechanic PDS TechAvionics Aircraft MechanicSan Antonio, TXPDS Tech Commercial is partnering with a respected leader in the aviation industry to hire a skilled Repair/Mod Tech Electrical Mechanic for an exciting opportunity supporting advanced military aircraft operations. These regulations may limit access of controlled technologies: 1) to U.S. Persons, including U.S. Citizens, lawful permanent residents, and other narrow categories including refugees and asylees, or 2) to certain foreign nationals that have received an export license.
Fleet Mechanic Superior Mobile HealthFleet MechanicSan Antonio, TXFull timeThe Fleet Mechanic maintains accurate service and repair records, monitors vehicle conditions, and collaborates with fleet management to schedule repairs, replacements, and preventative maintenance activities. By proactively addressing maintenance needs and identifying potential hazards, the Fleet Mechanic helps ensure the safety of employees, patients, and the public while supporting uninterrupted operational efficiency.
Fleet Mechanic City of New BraunfelsFleet MechanicNew Braunfels, TX$21.36–$25.63 / hourYour work environment: Work is performed in repair and maintenance facilities and outdoors in all weather conditions, with exposure to hazardous chemicals and equipment, damp/wet surfaces and high noise levels and extended periods of sitting, standing, walking, bending, kneeling and reaching; requires constant physical efforts, and ability to safely push, pull, lift, twist, carry and move items weighing up to fifty (50) pounds; and requires vision capacity to perform fine calibrations and differentiate between colored wires. Inspects and diagnoses mechanical and electrical problems on City automobiles, trucks, and heavy equipment; determines extent of necessary repairs, and prioritizes work; uses technical manuals and computer equipment to diagnose and correct vehicle problems and faults.
Vehicle & Equipment Mechanic - Level II Field Service Technician Tejas Equipment RentalVehicle & Equipment Mechanic - Level II Field Service TechnicianSan Antonio, TXFull timeUnder general supervision of the Branch Manager, you will maintain and repair gasoline and diesel-powered light and heavy-duty vehicles, construction machinery, and trailers in the garage and out in the field. You will be deployed to job sites and roadsides, not just the shop, diagnosing and repairing heavy equipment and fleet vehicles in real-world conditions.
Automotive Mechanic - Technician Car GuysAutomotive Mechanic - TechnicianSan Antonio, TexasKeywords: automotive technician, auto mechanic, service technician, auto tech, master technician, ASE technician, automotive repair, automotive diagnostics, vehicle repair, dealership technician, repair technician. Automotive technician skills include automotive diagnostics, auto repair, and vehicle maintenance across gasoline and diesel engines, engine repair, engine performance, and tune-ups.
GFQ-Electrical Safety Practices Apollo Professional Solutions IncGFQ-Electrical Safety PracticesSan Antonio, TXAdhere to government and company procedural guidance, perform assembly, installation, visual inspection of physical characteristics, modification of wire bundles & electrical assemblies, operational and quality checks of aircraft work. Demonstrate technical ability to read and interpret engineering drawings, technical orders, process specifications, and retrofit requirements to perform electrical modification/repair.
Aircraft Structures Mechanic - Housing Support The Structures Company, LLCAircraft Structures Mechanic - Housing SupportSan Antonio, TXUtilize aircraft-specific tools such as torque wrenches, dial indicators, micrometers, cable tensiometers, sheet metal brakes and shears, and test equipment. As trusted partners to major aerospace OEMs and Tier 1 suppliers, we connect professionals with opportunities to grow and excel in the aviation and aerospace industries.
Fuel Cell Assembly Mechanic The Structures Company, LLCFuel Cell Assembly MechanicSan Antonio, TXAs trusted partners to leading aerospace and defense OEMs and Tier 1 suppliers, we connect professionals with career opportunities to grow and excel in aviation, aerospace, and defense. Assemble and install structural components, sub-assemblies, plumbing systems, and electrical components for major wing assemblies on composite and metal aircraft.
Heavy Duty Truck Mechanic $7500 Sign on Bonus Waste Management IncHeavy Duty Truck Mechanic $7500 Sign on BonusSan Antonio, TX$26–$28 / hourRequired to be exposed to physical occupational risks (such as cuts, burns, exposure to toxic chemicals, etc.) often; Required to be exposed to physical environment which involves dirt, odors, noise, weather extremes or similar elements often; This job operates in both inside garage, shop or gas plant conditions as well as in outside conditions that include inclement weather, heat and humidity. WM has the largest disposal network and collection fleet in North America, is the largest recycler of post‑consumer materials and is a leader in beneficial use of landfill gas, with a growing network of renewable natural gas plants and the most landfill gas‑to‑electricity plants in North America.
Electric Motor Mechanic Industrial Service Solutions LLCElectric Motor MechanicSan Antonio, TXPosition Summary: The Electric Motor Mechanic is responsible for diagnosing, repairing, and rebuilding electric motors used in a variety of industrial equipment, including field cores, bobbins, armature cores, electric motors, generators, and control auxiliary boxes. The mechanic ensures equipment is restored to proper operating condition through inspection, testing, maintenance, and component replacement.
AGE Mechanic Amentum Services IncAGE MechanicSan AntonioPerforms scheduled and unscheduled maintenance on AGE/GSE, inspects, tests, and operates AGE/GSE to determine equipment serviceability and proper operation, services equipment with fuel, oil, water, coolant, hydraulic fluid, refrigerant, and compressed air, diagnoses mechanical and electronic circuitry malfunctions using visual and auditory senses, test equipment, and technical publications. This mechanic maintains and updates paper and electronic equipment records, provides dispatch service for AGE/GSE, including positioning equipment to support aircraft maintenance and flying operations, practices good housekeeping, tool control, Foreign Object Damage prevention, and safety at all times.
Advanced master european mechanic Spotless AutoAdvanced master european mechanicSan Antonio, TexasThis isn't a high-volume flat-rate grind — it's a place where your knowledge of European engineering is genuinely valued, and the team you work with takes real pride in every vehicle that rolls through the door. ABOUT THE ROLE We're looking for an Advanced Master Mechanic with deep expertise in European automotive systems to join our specialized repair shop in San Antonio.
NewSmall Engine Mechanic - Facility Maintenance North East Independent School DistrictSmall Engine Mechanic - Facility MaintenanceSan Antonio, TX3. Straightens frames and decks, repairs cracks and breaks in metal component, adjusts drive belts and gears, replaces starting pull strings and drives, cleans fuel tanks, replaces leaking gaskets and seals, straightens and adjusts linkages, inspects and repairs operator safety devices (reports evidence of intentional abuse or defeated safety devices), cleans and paints equipment to prevent corrosion and provide a professional well maintained appearance. • Journeyman mechanic technical knowledge of the trade practices and procedures used in small engine repair; electrical, electronic and mechanical ignition systems; fuel injection and carburetor systems; fluid, belt and gear drive systems, hydraulics, and performance testing techniques - knowledge must be coupled with the well rounded field experience to perform effective inspections, identify abnormal performance, perform diagnostics and make effective adjustments.
Diesel Mechanic M5 Utilities LLCDiesel MechanicBoerne, TXThe ideal candidate will be responsible for diagnosing, repairing, and maintaining a fleet of heavy equipment, trucks, and diesel-powered machinery to keep operations running safely and efficiently. Education and Experience: High school diploma or GED (required) Minimum 3 years of heavy equipment or diesel mechanic experience preferred.
Industrial Laundry Maintenance Mechanic Vestis CorpIndustrial Laundry Maintenance MechanicTXAbility to trouble-shoot and solve technical issues by following technical manuals and schematics; Orders necessary parts, tools, and equipment in a timely manner by following company procurement policy; Maintains a proper Daily Schedule Control for equipment maintenance and preventative maintenance schedule and record; Conducts daily removal and processing of waste solids generated from treatment process; Performs equipment troubleshooting, makes necessary repairs, and completes preventative maintenance and housekeeping practices for all related wastewater hardware; Maintains safe and clean work environment, and observes best practices in all production activities; Uses safety precautions, follows electrical lock-out tag-out procedures for equipment, and adheres to all safe work practices and policies for all safety, boiler, and wastewater treatment procedures; Other duties as required or assigned. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions; Requires the ability to routinely move, lift, carry, push, or pull items weighing up to 25 lbs, and occasionally up to 50 lbs; Requires bending, reaching, pulling, pushing, twisting, and lifting; Requires the use of hands for grasping and other manipulations; Requires standing and walking for long periods of time; Must be able to work from elevated heights using ladders, mezzanines, and aerial lifts.
Fleet Mechanic Vestis CorpFleet MechanicTXcars); Repair and maintain medium gas and diesel engines, brake systems, electrical systems, suspension systems and lift gates; Conduct vehicle inspections; Replace general automotive parts, including but not limited to brakes, tires, hoses, and belts; Document vehicle repairs and inspections according to company guidelines; Conduct all repairs in a safe and efficient manner; Assist in more extensive repairs where needed, based on experience; Follow all and any Company workplace conduct requirements and policies; Perform other duties as required or assigned which are reasonably within the scope of role to support the business. Vestis provides clean and safe uniform services and workplace supplies to a broad range of North American customers from Fortune 500 companies to locally owned small businesses across a broad set of end markets.
Mechanic Automotive Technician – Diagnostics & Mechanical Repair Drive Tech ADASMechanic Automotive Technician – Diagnostics & Mechanical RepairSan Antonio, Texas$80,000–$125,000We are looking for an experienced, motivated Mobile Automotive Technician who takes pride in quality work, can operate independently, and wants the opportunity to earn at a high level based on skill and performance. Own professional basic tool set: hand tools, sockets and wrenches, impact tools, ratcheting wrenches, and specialty tools commonly needed for mechanical repairs.
Mechanic City Ambulance ServiceMechanicSan Antonio, Texas$20–$25Our staff, equipment, & units were designed to exclusively service & cater to the needs of Surgical Hospitals, Hospital Emergency Departments, Behavioral Health Hospitals, and Free-Standing Emergency Centers. Our ground transportation services cover over 85% of Texas, spanning from Houston, Corpus Christi, San Antonio, Dallas, Beaumont, Round Rock, Bastrop, as well as West, Central & North Texas.
INDUSTRIAL MAINTENANCE MECHANIC 48forty SolutionsINDUSTRIAL MAINTENANCE MECHANICSan Antonio, TX$24–$25 / hourWe are truly Pallet Management Made Simple, our workforce is the heart and soul of our business, and we're looking for our next Industrial Maintenance Mechanic to join our team! We're looking for the handy and multi-interested employee to be able to manage and maintain multiple types of equipment within our wood pallet manufacturing plant.
Automotive Mechanic Group 1 Automotive IncAutomotive MechanicSan Antonio, TXThe Automotive Service Technician is responsible for diagnosing, repairing, maintaining, and inspecting a wide variety of vehicles while delivering exceptional workmanship and customer satisfaction. Whether you''re just beginning your career or you''re an experienced ASE or manufacturer-certified technician, we offer industry-leading training, state-of-the-art equipment, competitive compensation, and outstanding opportunities for career advancement.
Kitchen Mechanic [s] J & J Worldwide ServicesKitchen Mechanic [s]Ft. Sam Houston, TXPart timePerforms or assist in the performance of the following: rebuilding pumps and compressors, replacing bearings and seals, repair or replace plumbing systems or components, install treaded or sweated pipe segments, repair or replace refrigeration components, and perform maintenance of installed irrigation systems. Work also includes general maintenance and repairs of installed equipment and systems to include electrical, plumbing, compressed gas systems, pumps, compressors, blowers, fans, motors, instrumentation and controls of all aspects of hospital equipment.
Machinist/Mechanic San Antonio ShoemakersMachinist/MechanicSan Antonio, TXPhysical labor is often necessary for 8 hours or more per day with breaks approximately every two hours including stooping, crouching, reaching, standing, walking, pushing, pulling, lifting, bending, twisting, kneeling, talking, hearing, vibration, noise and engaging in repetitive motions and excellent vision. Repair machines, equipment, or structures, using tools such as hammers, hoists, saws, drills, wrenches, or equipment such as precision measuring instruments or electrical or electronic testing devices.
Maintenance Mechanic Ernest HealthMaintenance MechanicNew Braunfels, TexasFull timeWith Joint Commission accreditation and a reputation for outstanding clinical outcomes, our hospital proudly provides warm, patient-centered care that guides individuals on their journey to recovery and return to an active life. Our rehabilitation programs are intensive and tailored – each patient receives a customized mix of physical, occupational, and speech therapies delivered daily by our enthusiastic, highly skilled team.
Maintenance Mechanic FGF BRANDS INCMaintenance MechanicSan Antonio, TXProven ability to repair industrial maintenance components such as motors, pumps, gearboxes, belt and chain driven components, etc. To become the world's greatest baker, we need the world's greatest team members.
Maintenance Mechanic fgf brandsMaintenance MechanicSan Antonio, TexasProven ability to repair industrial maintenance components such as motors, pumps, gearboxes, belt and chain driven components, etc. To become the world’s greatest baker, we need the world’s greatest team members.
Apprentice Diesel Tech-Mechanic TravelCenters of America IncApprentice Diesel Tech-MechanicSan Antonio, TXFor a more comprehensive list of benefits, please visit https://www.ta-petro.com/careers/working-at-ta-travel-centers . Duties and Responsibilities: • Work in a fun, trusting environment focused on providing great service where the expectations of the customer are exceeded.
Crane Mechanic A H Beck Foundation Co IncCrane MechanicConverse, TXKey Responsibilities: Ensure operation of machinery and equipment by completing routine preventive maintenance on engines, motors, electrical systems, hydraulic systems, high-pressure air systems, fuel systems, and mechanical systems. If you are adept at working with heavy machinery and have the expertise in inspecting, repairing, and maintaining them, we invite you to join our esteemed team of professionals.
Kitchen Mechanic J & J Maintenance, Inc.Kitchen MechanicTXPerforms or assist in the performance of the following: rebuilding pumps and compressors, replacing bearings and seals, repair or replace plumbing systems or components, install treaded or sweated pipe segments, repair or replace refrigeration components, and perform maintenance of installed irrigation systems. Work also includes general maintenance and repairs of installed equipment and systems to include electrical, plumbing, compressed gas systems, pumps, compressors, blowers, fans, motors, instrumentation and controls of all aspects of hospital equipment.
Heavy Equipment Shop Mechanic A H Beck Foundation Co IncHeavy Equipment Shop MechanicSan Antonio, TXEnsure operation of machinery equipment and trucks by completing routine preventive maintenance on engines motors electrical systems hydraulic systems high pressure air systems fuel systems and mechanical systems. Mechanics must have sufficient industry knowledge to independently troubleshoot and repair mechanical hydraulic and electrical failures.
Mechanic 1 Darling Ingredients IncMechanic 1San Antonio, TXPerforms all preventive maintenance and repair work necessary on all fleet vehicles and plant vehicle, and plant equipment (wheel Loaders, Skid Steers, Man Lifts, Scissor Lifts, Backhoe, Lawn mowers, and Farm Tractors). The ability to competently perform all the essential duties of the position, with or without reasonable accommodation, demonstrated commitment to effective customer service delivery, integrity, and the ability to work productively as a member of a team or work group are basic requirements of all positions at Darling Ingredients.
Heavy Truck Mechanic CRH PlcHeavy Truck MechanicTXThe Mechanic will be responsible for performing all needed inspections and repairs on Ready Mix Trucks, On-Highway End Dump Trucks, Tractors and Trailers, and Heavy Construction Equipment in a safe, effective manner. Replaces defective engines and subassemblies, such as transmissions, electric motors, drums, seals, hydraulic pumps, valves, pistons, rods, gears, crankshafts, cylinder blocks, etc.
Forklift Mechanic UFP SchertzForklift MechanicSchertz, TexasThe Maintenance Mechanic I is responsible for performing basic preventative maintenance on machinery, equipment, and tools, and assists other members of the Maintenance Department in various machine/building repairs. Assists in the repair of woodworking machinery, infeed/outfeed systems, hand tools, and forklifts in accordance with diagrams, operating manuals, and manufacturer specifications.
Master Technician Master Mechanic Spotless AutoMaster Technician Master MechanicSan Antonio, TexasThe Master Mechanic is a highly skilled technician responsible for diagnosing, repairing, and maintaining complex mechanical systems. Perform major repairs and overhauls on engines, transmissions, braking systems, suspension, and drivetrains.
Heavy Truck Mechanic AMAT South CentralHeavy Truck MechanicLive Oak, TXThe Mechanic will be responsible for performing all needed inspections and repairs on Ready Mix Trucks, On-Highway End Dump Trucks, Tractors and Trailers, and Heavy Construction Equipment in a safe, effective manner. · Replaces defective engines and subassemblies, such as transmissions, electric motors, drums, seals, hydraulic pumps, valves, pistons, rods, gears, crankshafts, cylinder blocks, etc.
Field Service Mechanic A - Uvalde, TX Herc Rentals IncField Service Mechanic A - Uvalde, TXSan Antonio, TXDevelop and maintain a consistent schedule of performing preventative maintenance of all Herc owned fleet at long term customer job sites • Oversee and conduct oil changes, lubrication of equipment, tire replacements, hose repairs, battery replacements, and assorted services • Diagnose and repair heavy equipment as required to ensure proper operating condition at the job site • Diagnose and troubleshoot fuel systems, electrical systems, hydraulic systems, and propane systems • Recondition and replace assorted parts to return equipment to a safely functioning state • Educating customers on proper use of equipment to avoid future breakdowns • Analyze problem areas for any significant wear or tear and address to ensure proper usage of the equipment until your next scheduled visit • Adhere to all safety guidelines posted at active jobsites where repairs and maintenance are completed • Maintain work area on jobsites in a clean and organized manner • Produce timely and detailed service reports and repair logs • Follow all companys filed procedures and protocols • Build positive relationships with customers • Perform additional duties as assigned. Ability to operate and test equipment such as boom lifts, forklifts, compressors, portable and stationary generators, hydraulics, pumps, and assorted tools and equipment.
Aircraft General Mechanic - Free Housing Support The Structures Company, LLCAircraft General Mechanic - Free Housing SupportSan Antonio, TXMaintain, repair, and modify aircraft structures and components, including flight controls, engines, hydraulics, pneumatics, fuel systems, and mechanical components. As trusted partners to major aerospace OEMs and Tier 1 suppliers, we connect professionals with opportunities to grow and excel in the aviation and aerospace industries.
Aircraft Structures Mechanic - Housing Support, $600 Per Diem - DEFENSE The Structures Company, LLCAircraft Structures Mechanic - Housing Support, $600 Per Diem - DEFENSESan Antonio, TX$45Experience with close tolerance drilling, reaming, removal, and installation of critical support structures including doublers, triplers, seat tracks, planks, stringers, etc. As trusted partners to major aerospace OEMs and Tier 1 suppliers, we connect professionals with opportunities to grow and excel in the aviation and aerospace industries.
Maintenance Mechanic III Westover Hills Baptist HospitalMaintenance Mechanic IIISan Antonio, TXThere are so many stories of compassionate care; so many "firsts" in terms of medical innovation; so many examples of enhancing healthcare delivery and shaping a business that is truly centered around patients and community need. Replaces light bulbs, fluorescent tubes, switchers, plugs, receptacles, ballasts, and makes repairs on faucets, commodes, valves and door closures.
Automotive Mechanic Mac Haik's Southway FordAutomotive MechanicSan Antonio, TexasDiagnose, maintain, and repair vehicle automotive systems including engine, transmission, electrical steering, suspension, brakes, air conditioning, etc. Test-drive vehicles, and test components and systems, using diagnostic tools and special service equipment.
General Aircraft Mechanic PDS TechGeneral Aircraft MechanicSan Antonio, TX$35–$40 / hourThese regulations may limit access of controlled technologies: 1) to U.S. Persons, including U.S. Citizens, lawful permanent residents, and other narrow categories including refugees and asylees, or 2) to certain foreign nationals that have received an export license. In this hands-on, high-impact role, you’ll perform vital repair, modification, and maintenance work that ensures aircraft readiness, reliability, and performance for elite aviation programs.
NewHeavy-Duty Powertrain & Hydraulics Mechanic Tindall ConcreteHeavy-Duty Powertrain & Hydraulics MechanicSan Antonio, TXFacilities responsibilities: maintain building structures and equipment, including electrical switches, fixtures, and motors; repair plumbing fixtures; support mechanical, electrical, heating, air conditioning, and sanitary systems; complete occasional painting or touch‑ups. End‑to‑end maintenance and repair for plant equipment: automobiles, tractors, cranes, trailers, production machinery, Travelift, loaders, pickup trucks, and lift trucks.
Aircraft Mechanic II - Structural Apollo Professional SolutionsAircraft Mechanic II - StructuralSan Antonio, TXKnowledge of aircraft unique tools such as test equipment, torque wrenches, dial indicators, micrometers, cable tensiometers, sheet metal brakes and sheers, etc. 4+ years of experience working heavy structures: locating, drilling, countersinking and fastening structures (i.e. doublers, stringers, webs, seat tracks, etc.) to aircraft.
Campus Bus Driver Mechanic - IDEA Henry (26-27) IDEA Public SchoolsCampus Bus Driver Mechanic - IDEA Henry (26-27)San Antonio, TXWhat You Bring -- Competencies: Communication effectively conveys information using a variety of channels and techniquesOrganization keeps self and others organized through development of efficient systemsProblem Solving able to synthesize, analyze, and prioritize data and opportunities to develop strategies for achieving quantifiable goalsContinuous Improvement proactively identifies opportunities to improve and consistently reflects on past actions to guide future decisionsQualifications:Education: High School Diploma or equivalent. Description Role Mission: The Bus Driver Mechanic (CBDM) will provide basic level solutions of repairs and/or diagnose to the campus bus fleet to ensure the availability of units to be in safe operating condition meeting district, state and federal requirements and criteria with the guidance of the District Mechanic.