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LUMA Energy

Diesel Mechanic, Fleet

San German-Fleet

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hirly's read of this role

Role family
Skilled trades
Seniority
Mid level
Country
US
Work mode
On-site / unstated
First seen by hirly
30 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

Job Summary:

The main responsibility of the Diesel Mechanic, Fleet is for the inspection, maintenance and repair of vehicles and special equipment installed in said units, including hydraulic systems. Receive instructions from the supervisor, who reviews the work to make sure it conforms to established regulations and procedures.

Job Description:

Repairs, removes and installs fuel pumps, including disassembling, cleaning, checking parts for wear or damage, replacing parts, and assembling or replacing said components.

Repairs automatic and standard transmissions such as cleaning, disassembly, inspection of parts to determine damage or wear, replacement or repair of parts, assembly and adjustments and connections of the same.

Repairs shafts and differentials such as adjustment of nuts, rivets of sprockets, drive shafts, replacement of ball, tapering and satellite boxes, and hydraulic auxiliary steering systems

Repairs and adjusts special equipment, such as ground drillers, hydraulic cranes, rotation ladders, hydraulic baskets, bucket trucks, digger derricks, and similar equipment.

Examines and repairs automatic and standard transmissions.

Tests and repairs vehicle electrical components, such as generators, alternators, voltage regulators, starters, electric horns, windshield wiper motors, and other electrical components, by using voltage and amperage testing equipment and appropriate tools.

Cuts around generator and starter electrical switches.

Turns and grinds engine cylinders to precise sizes and adjust the pistons for each cylinder.

Turns drums and grinds brake cylinders when necessary.

Installs special equipment in trucks using electrical and autogenous welding equipment and tools such as forges, anvils, chop blocks, chisels, sledgehammers and other similar tools.

Fills out the inspection sheets for vehicles according to the maintenance program.

Drives heavy duty vehicles to perform duties or to be repaired in another workshop, such as, a tow truck to tow vehicles and other mechanical equipment.

Inspects the assigned vehicle before departure, makes minor repairs in cases of unforeseen situations, such as changing tires and inform the supervisor about defects or damage you have observed in the vehicle such as lack of horn, lights, spare tire and plates; loose brakes and worn tires.

Inspects, maintains, and repairs vehicles and special equipment installed in said units, including hydraulic and aerial equipment.

Inspects and repairs brakes, shock absorbers, springs, universal joints, front axle, cooling systems and so forth.

Delegates, directs, and verifies the work of three to five employees.

Uses the FMIS Fleet Management Information System to input and research maintenance history information as needed Good Welding and Fabricating skills.

Reads and interprets schematics and blueprints.

Follows all policies and procedures.

Performs major storm restoration work and associated tasks as assigned.

Performs other duties as assigned.

Additional Job Description:

Education and Experience

High School Diploma or GED

Exam Requirements (passed the following exam required for this class):

General Skills

Defensive Diving DOT

Medical Examination 3 years of experience in the tasks performed as an Automotive Mechanic

This is skilled labor that involves the application of automotive mechanics knowledge

Self-starter and detail oriented.

Experience with basic Microsoft Office programs

License/Certifications

Valid Puerto Rico driver’s license Category 9 is required

Permit to Operate Commercial Vehicle from The Transport and Other Public Services Bureau (NTSP, "Negociado de Transporte y Otros Servicios Públicos de Puerto Rico").

Driver's Record (DTOP)

Hold a Automotive Technician in Mechanics of Heavy Equipment and Trucks license issued by the Puerto Rico Examining Board of Automotive Mechanics and Technicians.

Special Endorsement for hazardous materials from NTSP, is preferred

ASE Certification (T-Series 1-8) is preferred.

Travel Requirements

30% Approximately

Physical Demands

Stationary Position: Frequently

Pushing/ Pulling/ Reaching: Constantly

Climb: Constantly

Kneel: Constantly

Grab: Constantly

Bend: Constantly

Lift/ Carry over: 31-50 LBS

Vision: Vision acuity to operate vehicle

Hearing: Understanding sounds required for operating vehicle

Working Conditions

Wet or humid: Constantly

Working near or on moving mechanical parts: Constantly

Working near or on heavy machinery: Constantly

Working in high places: N/A

Exposed to fumes or airborne particles: Seldom

Exposed to toxic or caustic chemicals: Seldom

Frequency of working in outdoor weather conditions: Seldom

Work with electricity: N/A

Work with explosives: N/A

Work on or near a source of radiation: N/A

Loud Noise conditions (above 87 db.): Frequently

Other environmental factors including weather conditions:

Other:

This position is classified as a safety-sensitive function and is subject to the U.S. Department of Transportation’s drug and alcohol testing regulations under 49 CFR Part 40. Candidates must meet all applicable federal requirements, including pre-employment and random testing, medical certification, and driver qualification standards.

LUMA Energy is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, military status, disability, or any other characteristic protected by federal or local laws.

Original posting on LUMA Energy's site ↗

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