Diesel Engine Mechanic

Position Summary

The Diesel Mechanic is responsible for performing periodic preventive maintenance, diagnostics, and repairs on all company-owned equipment used in a precast concrete manufacturing operation. This includes heavy equipment, trucks, forklifts, loaders, cranes, generators, compressors, and other diesel-powered machinery. The role ensures equipment reliability, minimizes downtime, and supports continuous plant production.

Key Responsibilities

• Perform scheduled preventive maintenance on diesel engines and related systems
• Inspect, diagnose, and repair mechanical, hydraulic, electrical, and pneumatic systems
• Maintain and service heavy equipment including loaders, forklifts, telehandlers, boom trucks, dump trucks, and yard tractors
• Troubleshoot engine, fuel, cooling, braking, and emission systems
• Perform oil changes, filter replacements, fluid checks, and lubrication services
• Conduct equipment inspections and document findings
• Respond to breakdowns and perform emergency repairs as needed
• Maintain maintenance logs and service records
• Ensure compliance with safety standards and company policies
• Coordinate with plant management to schedule maintenance without disrupting production

Equipment Typically Serviced

• Front-end loaders
• Forklifts (diesel and propane)
• Telehandlers
• Boom trucks and flatbeds
• Dump trucks
• Diesel generators
• Air compressors
• Skid steers
• Concrete production support equipment

Qualifications

• 3+ years of diesel mechanic experience (heavy equipment or industrial preferred)
• Strong knowledge of diesel engines, hydraulics, electrical systems, and diagnostics
• Ability to read service manuals, wiring diagrams, and parts breakdowns
• Experience with preventive maintenance programs
• Welding and fabrication experience preferred
• CDL preferred but not required
• Ability to lift 50+ lbs and work in outdoor/industrial environments

Skills

• Strong troubleshooting and diagnostic ability
• Self-motivated and able to work independently
• Organized with good documentation habits
• Ability to prioritize repairs based on production needs

Work Environment

• Industrial precast concrete plant and yard environment
• Exposure to dust, noise, and outdoor weather conditions
• Physical labor including bending, lifting, climbing, and kneeling

Compensation

• Competitive hourly pay based on experience
• Overtime opportunities
• Benefits package (health insurance, PTO, etc.)

This position plays a critical role in keeping production equipment running efficiently to support plant operations and delivery schedules.

Founded in 1989, ACS is a leading manufacturer serving the precast concrete and cast stone markets across the Midwest, East Coast, and Middle South. Owned and operated by builders and developers, ACS brings deep, practical construction knowledge to every project, allowing challenges to be identified early and resolved with efficient, real-world solutions.

ACS is APA and CSI certified and approved by numerous public agencies, ensuring consistent quality, reliable processes, and cost-effective project execution. Our leadership and production teams bring centuries of combined experience, blending traditional craftsmanship with advanced digital tools and modern fabrication technologies. With long employee tenure and a collaborative, family-oriented culture, ACS is committed to precision, innovation, and excellence in every product we deliver.