Randstad's client is hiring experienced Diesel Mechanics at their Farmingdale location to support fleet operations through top-level preventive maintenance and repair. This role is ideal for technicians who thrive in a structured, unionized environment that emphasizes safety, training, and skill development. Candidate Requirements: 2–5+ years of experience as a diesel mechanic or heavy equipment technician. Deep understanding of preventive maintenance procedures and DOT standards. Trade school, diesel technology program, or equivalent certification strongly preferred. Experience working with diesel engines, air brake systems, and electrical diagnostics. CDL is a plus but not required. Must be safety-focused and detail-oriented. salary: $70,000 - $80,000 per yearshift: Firstwork hours: 8 AM - 4 PMeducation: High SchoolResponsibilities Perform daily, weekly, and monthly preventive maintenance checks on a variety of diesel-powered vehicles. Diagnose and repair engines, transmissions, exhaust systems, and emission control systems. Replace worn parts, conduct fluid checks, and perform safety inspections. Maintain and complete detailed maintenance records and work orders. Use electronic and manual diagnostic tools to troubleshoot and solve problems efficiently. Monitor part usage and communicate supply needs to the shop supervisor. Participate in continuous training and improvement programs. SkillsElectricalMaintenanceQualificationsYears of experience: 3 yearsExperience level: ExperiencedRandstad 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 HRsupport@randstadusa.com.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.