Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Field Diesel Mechanic

United Rentals

Great company. Great people. Great opportunities.

If you’d like the chance to make your mark with the world’s largest equipment rental provider, come build your future with United Rentals!

As a Field Diesel Mechanic (Service Tech III - Field Service), you’ll use your skills to perform maintenance and repairs on complex equipment in a safe and professional manner. Every 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. Like every member of our team, we will rely on you to provide exceptional customer service to our customers.

What you'll do:

  • Safe maintenance and repair of a variety of complex rental equipment involving mechanical, electrical, hydraulic, and diesel systems

  • Travel to customer job sites for repair/maintenance of rental or customer owned equipment; must maintain service vehicle in a clean and professional manner

  • Assist in the training of lower level technicians as needed

  • Maintain paperwork/electronic documentation of work performed (work orders) in a complete and timely manner on a daily basis

  • Assist with pick-up and delivery of equipment & parts

  • Other duties assigned as needed

Requirements:

  • High School diploma or equivalent

  • Valid driver's license with acceptable driving record

  • 3-5 years of experience repairing/maintaining equipment and tools

  • Advanced mechanical aptitude and working knowledge of tools

  • Strong mechanical background knowledge of various engines

  • Must own tools applicable to position

  • Superior customer service, teamwork and verbal/written communication skills

  • Ability to frequently lift items up to 45 lbs.

This position is deemed Safety Sensitive for purposes of United Rentals’ policies and procedures. 

Why join us?

We don’t just “talk the talk!” We’re an award-winning company (recently named a Glassdoor Best Place to Work in 2026) that truly cares about our people - That’s why we offer best-in-class benefits and perks that will support you and your family. In addition to our health and financial plans, we also offer:

  • Paid Parental Leave

  • Employee Discount Program

  • Career Development & Promotional Opportunities

  • Additional Vacation Buy Up Program (US Only)

  • Early Wage Access through Payactiv (US Hourly Only)

  • Paid Sick Leave

  • An inclusive and welcoming culture

Explore our comprehensive U.S. benefit offerings

For Canadian benefits, click here

United Rentals, Inc. is an Equal Opportunity Employer and makes employment decisions regardless of race, color, religion, sex, national origin, age, genetic information, citizenship status, veteran status, sexual orientation, gender identity, disability, or any other status protected by law. If you need a reasonable accommodation at any point of the application process, please email View email address on jobs.unitedrentals.com for assistance.

At United Rentals, we proudly hire active duty members, veterans, reservists, and their families. The values that define your service—leadership, discipline, integrity, and teamwork—are the same values that drive our success. With many veterans already part of our team, we’re ready to help you transition into a rewarding career.

United Rentals consists of a wide variety of roles with different duties and responsibilities. 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.

Vacancy posted 23 days ago
Similar jobs that could be interesting for youBased on the Field Diesel Mechanic in San Benito, TX vacancy
  •  ...Job Description Job Description HEAVY EQUIPMENT / DIESEL MECHANIC Salary: 114 - $ 41,540.00 minimum salary Purpose of Classification...  ...perform minor repair on stalled vehicles or machinery in the field; may perform some welding, braising, and soldering chores.... 
    Suggested

    Cameron County

    San Benito, TX
    4 days ago
  • $20 per hour

     ...commercial vehicle dealerships across the US. Whether you're a recent graduate eager to kickstart your career or an experienced & certified Diesel Technician seeking a new path, we are looking to welcome you to our team! With more than 200 locations and nearly 8,000... 
    Suggested
    Shift work

    Rush Enterprises

    Brownsville, TX
    23 hours ago
  • $22 per hour

     ...Are you an Experienced Mobile Diesel Technician looking for an opportunity to work for a leader in the commercial truck industry?...  ...but not required. ~ Medical card as required by the FMVS. ~ Mechanical aptitude and technical ability is a must. ~ Peterbilt, International... 
    Suggested

    Rush

    Brownsville, TX
    1 day ago
  •  ...service company in the industrial cleaning equipment market. We are looking for service technicians with strong mechanical and industrial AC electrical skills. Diesel Engine experience a plus but not required. This position will be part of a team that provides quality... 
    Suggested

    Washing Equipment of Texas, Ltd

    La Feria, TX
    2 days ago
  •  ...or related equipment or components, following established procedures and guidelines. Works as a member of a team to provide basic mechanical services that satisfies customer needs and achieves departmental goals.   Entry-level position – Generally has less than... 
    Suggested
    Immediate start

    Texas First Rentals

    Brownsville, TX
    8 days ago
  •  ...SKILLS: Must be able to follow instructions Warehouse experience desired Must have your own transportation Punctual Mechanically inclined Door installation experience a plus Knowledge of carpentry desired Inventory Welding (MIG & Stick) a plus (... 
    Local area
    Remote work
    Work from home

    Alamo Door Systems

    Harlingen, TX
    24 days ago
  •  ...Field Service Valve Technician - Valve Repair Job Category: Mechanical Services Technician Location: Brownsville, TX 78526, USA Description For over 75 years, Puffer-Sweiven has set the standard in equipment and services for process control, automation, safety... 

    Puffer Sweiven

    Brownsville, TX
    1 day ago
  •  ...diploma or the equivalent. *Ability to read and comprehend instructions and information. *ASE certification preferred. *General mechanical skills. *Valid Texas driver's license and good driving record. *Manual dexterity. *Good Judgment. Requirements JOB... 
    Full time
    Apprenticeship
    Local area
    Immediate start

    Mercedes-Benz of Harlingen

    Harlingen, TX
    4 days ago
  •  ...Must pass a drug test. Must pass a background check screening. Qualifications ASE certification is preferred. General mechanical skills. Valid driver's license and a good driving record. Employment benefits include: Paid Vacation and Holidays, 401(K)... 
    Immediate start

    Bert Ogden Auto Group

    Harlingen, TX
    1 day ago
  •  ...information, please visit SUMMARY OF THE ROLE The ISBL Field Operator ensures the safe, reliable, and efficient operation of...  ...of hands, arms, and legs to lift, push, and pull machinery and mechanical components. Job Site Work Environment • Must be able... 
    For contractors
    Work at office
    Local area
    Relocation package
    Shift work

    Next Decade Inc

    Brownsville, TX
    23 hours ago
  •  ...information, please visit  SUMMARY OF THE ROLE   The OSBL Field Operator plays a critical role in ensuring the safe and...  ...of hands, arms, and legs to lift, push, and pull machinery and mechanical components. Job Site Work Environment  ·  Must be able to wear... 
    For contractors
    Work at office
    Local area
    Relocation package
    Shift work

    NextDecade

    Brownsville, TX
    29 days ago
  • $15 per hour

    Job Description Job Description Express Service Technician - Brownsville Toyota Monday- Saturday 8AM - 6PM -Starting pay at $15/Hr -Little to some experience in general maintenance -Highly Motivated -Hard Working -Co-operate with others / Team oriented...
    Local area

    Southwest Automotive Group

    Brownsville, TX
    26 days ago
  • Job Title This position is a labor-intensive position, working outside and walking majority of the day. This is not an office or clerical position. Please read the job description. Position Summary Perform responsible technical level work in connecting and ...
    Work at office

    Harlingen WaterWorks System

    Harlingen, TX
    4 days ago
  • $15.75 - $23.67 per hour

     ...exceptional service. Overall, this role demands a combination of mechanical aptitude, attention to detail, and a commitment to delivering...  ...completion of Vocational-Technical School program in a related field or demonstrated skills via third party certificates/assessment.... 
    Daily paid
    Minimum wage
    Price work
    Full time
    Temporary work
    Part time
    Local area
    Flexible hours

    Bridgestone

    San Benito, TX
    1 day ago
  • Bert Ogden Harlingen Kia Service Lube Technician The Lube Technician is responsible for performing express lube duties on vehicles. Essential Duties and Responsibilities include the following: Adheres to express lube guidelines. Performs lube, oil and filter...
    Local area

    Bert Ogden Auto Group

    Harlingen, TX
    4 days ago
  • Job Title Responsibilities: • Responsible for preparing the donor, donor area and equipment for the pheresis process. • Prepares the autopheresis machine for the pheresis process. • Monitors the donor and the pheresis process, responds to specific alarms or signals...
    Work experience placement
    Local area

    Seqirus

    Brownsville, TX
    23 hours ago
  • Responsibilities: • Responsible for preparing the donor, donor area and equipment for the pheresis process. • Prepares the autopheresis machine for the pheresis process. • Monitors the donor and the pheresis process, responds to specific alarms or signals that may...
    Work experience placement
    Local area

    CSL Plasma

    Brownsville, TX
    3 days ago
  • Quick Lube Technician (Entry Level) - Automotive Why wait to make a career out of doing what you love? Some of our best master technicians started as quick lube techs. So if working on cars gets your gears moving, contact us today. As a quick lube tech, you'll start...
    Apprenticeship

    Charlie Clark Auto Group

    Brownsville, TX
    3 days ago
  • $27.31 per hour

     ...We are looking for a talented Field Service Diesel Engine Technician to join our team specializing in engine repairs for our Distribution...  ...guided work flows, procedures, specialized equipment such as mechanical and electronic service tools, and diagnoses computer software... 
    Apprenticeship
    Work experience placement
    Relocation package

    Cummins Inc.

    Harlingen, TX
    23 hours ago
  •  ...record findings on approved documents so that necessary customer estimates and proper repairs can be made. Assist technician/mechanics in performing technical activities. Keeps store management aware of mechanical repair problems as they occur. Maintain and... 
    Shift work

    Sames Motor Company

    Harlingen, TX
    4 days ago
  •  ...Automotive Do you thrive in a fast-paced environment? Do problem-solving and customer service get your engine revving? Let your mechanical knowledge, technical expertise and outstanding attitude take your career to new heights as a master service technician on our... 

    Gillman Automotive Group

    San Benito, TX
    14 days ago
  • $20 - $30 per hour

     ...Job Description Job Description Hydraulic Technician: $20-$30 Job Requirements Ability to use gauges to problem solve in the field and in house for hydraulics. Electrical understanding and the ability to use a voltmeter and test equipment Ability to work... 

    GOT Hydraulics LLC

    Los Fresnos, TX
    3 days ago
  • 26337BR Job Title: Field Support Specialist (NDT Technician Level 2) Job Description: # Must work in a confidential manner to ensure confidentiality of employee and project files. # Performs administrative duties and may assist in composing routine correspondence... 
    Local area
    Flexible hours
    Shift work
    Day shift

    Bechtel Corporation

    Brownsville, TX
    4 days ago
  • $15 - $18 per hour

     ...Responsibilities: Service Tech I - The Service Technician I is often a recent graduate from an accredited trade school entering the field of HVAC service and repair and/or has 3 or less years of experience in the field. The Service Technician I position is qualified and... 
    Hourly pay
    Local area

    Pueblo Mechanical & Controls

    Harlingen, TX
    1 day ago
  • The Gillman Companies is an established group of family owned automobile dealerships based out of Houston, TX. We have served the automotive needs of Texas since 1938 by maintaining a long-established tradition of excellence and customer satisfaction. Gillman has also ...

    Gillman Companies

    San Benito, TX
    4 days ago
  •  ...and running structured cabling across entire buildings, or terminating a 66-block. If you're the kind of person who thrives in the field and loves the variety that comes with every job site, this opportunity is for you. Job Responsibilities Perform a wide range... 
    Hourly pay
    For contractors
    Immediate start
    Flexible hours

    HARDY INDUSTRIES

    San Benito, TX
    13 days ago
  •  ...Brownsville embraces innovation, looks forward to the future and beyond!  Job Summary: In this role, you will provide project field engineering specialization and expertise with work planning and packaging, material management, quantity verification and validation... 
    Full time
    For contractors
    Work experience placement
    For subcontractor
    Work at office
    Local area
    Remote work
    Relocation

    Bechtel Global Corporation

    Brownsville, TX
    23 hours ago
  • Bo-Mac Contractors, Ltd. in the BROWNSVILLE, TX area is offering challenging and exciting career opportunities for a Field Engineer / Survey Party Chief. We are seeking qualified candidates that are detail-oriented and experienced in Construction Surveying to join our team... 
    For contractors
    For subcontractor

    The Heico Companies

    Brownsville, TX
    3 days ago
  •  ...executing a large number of lump sum self-perform direct hire LNG projects throughout the US Gulf Coast. In addition to LNG tanks, other Field Erected Tanks (FET) are included in projects’ scope. This has also created a demand for Tanks Civil Field Engineer support across... 
    Full time
    Contract work
    For contractors
    Work experience placement
    For subcontractor
    Work at office
    Local area
    Remote work
    Relocation
    Flexible hours
    Shift work
    Night shift

    Bechtel Corporation

    Brownsville, TX
    1 day ago
  • $14 - $17 per hour

    Benefits: Employee discounts Health insurance Paid time off Job would entail: Residential delivery & installation of kitchen appliances (dishwashers, refrigerators, over-the-range microwaves, ranges, wall ovens, washers, dryers, etc). Requirements...
    Hourly pay
    For contractors

    Nationwide Southwest

    Brownsville, TX
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Field Diesel Mechanic. Be the first to apply!