Diesel Mechanic

  • Randstad
  • Ronkonkoma, New York
  • Full Time
Are you a skilled Diesel Mechanic looking for a new opportunity to grow with a company that values your expertise? We are seeking an experienced and motivated Diesel Mechanic with strong knowledge of hydraulics and upfitting to join our team.

In this role, you’ll be responsible for diagnosing, repairing, and maintaining a wide range of diesel-powered trucks and equipment. If you're someone who takes pride in quality workmanship and thrives in a fast-paced, team-oriented environment, we want to hear from you!

Key Responsibilities:
  • Diagnose and repair diesel engines, transmissions, and drivetrains

  • Troubleshoot and service hydraulic systems including pumps, valves, and cylinders

  • Perform upfitting of truck equipment such as plows, PTO systems, liftgates, utility bodies, and auxiliary hydraulics

  • Conduct preventative maintenance to ensure fleet reliability and performance

  • Use diagnostic tools to identify mechanical and electrical issues

  • Conduct DOT inspections and ensure vehicles meet safety and compliance standards

  • Read and interpret schematics, service manuals, and technical documentation

  • Maintain accurate service records and contribute to a clean, safe shop environment

Qualifications:
  • 3+ years of experience as a diesel technician or heavy equipment mechanic

  • strong understanding of hydraulic systems and diesel engine diagnostics

  • Experience with vehicle upfitting and fabrication is a plus

  • Valid driver’s license (CDL preferred or willingness to obtain)

  • Own basic tools; specialty tools provided

  • strong attention to detail, reliability, and ability to work independently or as part of a team



salary: $80,000 - $100,000 per year
shift: First
work hours: 7 AM - 4 PM
education: High School

Responsibilities

  • Diagnose and repair diesel engines, transmissions, and drivetrains

  • Perform preventative maintenance on trucks, buses, and heavy equipment

  • Troubleshoot and repair hydraulic systems, including pumps, valves, and cylinders

  • Inspect and replace worn components such as fuel injectors, turbochargers, and brake systems

  • Install and upfit equipment such as plows, PTO systems, liftgates, and auxiliary hydraulics

  • Use diagnostic tools to identify and resolve mechanical and electrical issues

  • Conduct DOT inspections and ensure compliance with safety and emissions regulations

  • Interpret technical manuals, schematics, and service bulletins

  • Rebuild or overhaul engines and major components as needed

  • Maintain accurate service records and work logs

  • Ensure work areas meet OSHA safety and cleanliness standards

  • Collaborate with team members to prioritize repairs and minimize equipment downtime

  • Stay up to date on diesel technologies, hydraulic systems, and OEM specifications



The essential functions of this role include:
  • wearing steel toe shoes

  • Skills
  • Dieslel Mechanic
  • Upfit
  • Hyrdraulic
  • Automotive

  • Qualifications
  • Years of experience: 3 years
  • Experience level: Experienced

  • Randstad is a world leader in matching great people with great companies. Our experienced agents will listen carefully to your employment needs and then work diligently to match your skills and qualifications to the right job and company. Whether you're looking for temporary, temporary-to-permanent or permanent opportunities, no one works harder for you than Randstad.

    Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

    At Randstad, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact ....

    Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

    This posting is open for thirty (30) days.

    Job ID: 485165813
    Originally Posted on: 7/14/2025

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