Diamond Diagnostics Jobs (NOW HIRING)

Location: Various, nationwide travel
Reports to: Field Superintendent
Employment Status: Full-time (seasonal ~March to November)
Salary Range: $30.00 - $40.00 per hour, depending on experience
Other Compensation & Benefits: Health Insurance, Dental Insurance (100% employer paid), Life Insurance (100% employer paid), Profit sharing, 401(k), ESOP Retirement

Location:Nationwide
Reports to:Superintendent
Employment Status:Full-time (Non-exempt)
Salary Range:$27.00 - $35.00 per hour, depending on experience
Other Compensation & Benefits:Health Insurance, Dental Insurance (100% employer paid), Life Insurance (100% employer paid), Profit sharing, 401(k), ESOP Retirement

About Diamond Surface, Inc.
Diamond Surface, Inc. is a Minnesota-based heavy-highway contractor with more than 35 years of experience specializing in concrete grinding, grooving, repair, and sealing. We are proud to be recognized as aBest Contractor in Constructionand are known nationwide for setting the standard for quality, innovation, and professionalism in our field. We are a rapidly growing, team-oriented organization that believes our success starts with hiring and supporting exceptional people. In 2024, we became an Employee Stock Ownership Plan (ESOP) company meaning every eligible employee has an ownership stake in the business. As an ESOP, we are deeply committed to creating long-term financial benefits for our team, strengthening our culture of collaboration, and ensuring that the hard work of our employees directly contributes to their own financial future.

Role Purpose

To maintain, service, diagnose, and repair vehicles and equipment in the field and shop as needed, ensuring high levels of safety, quality, and productivity. The Field Mechanic contributes to minimizing downtime, optimizing equipment performance, supporting project schedules, and upholding Diamond Surface, Inc. standards for safety, documentation, and customer service.

Key Accountabilities / Responsibilities

Essential Functions

• Perform preventative maintenance and repairs on semi tractors, trailers, walk behind saws, and various other construction equipment in the field and shop as needed.
• Diagnose and repair diesel and gas engines, including use of computer diagnostic tools and manufacturer procedures when needed.
• Diagnose mechanical, hydraulic, electrical, and pneumatic issues on vehicles and equipment; read schematics, wiring diagrams, repair manuals, and technical procedures to support accurate repairs.
• Perform scheduled maintenance, inspections, and unscheduled repairs such as brakes, filters, driveline components, engine-related repairs, trailer repairs, and equipment troubleshooting.
• Disassemble and assemble components as required; inspect, measure, install replacement parts, test systems, and confirm repairs are completed safely and correctly.
• Document all repairs and maintenance, including labor time, parts used, service notes, daily service logs, and work order completion details.
• Communicate repair status, equipment concerns, parts needs, and downtime risks to the Shop Supervisor, Operations, project teams, and other stakeholders as needed.
• Support preventive maintenance programs by completing inspections and services on schedule, identifying high-risk units, and recommending repair timing to reduce breakdowns.
• Assist with DOT/annual inspection readiness and maintenance recordkeeping for tractors, trailers, repairs, recalls, and inspections as applicable.
• Coordinate with the shop team, vendors, and outside service providers for specialty diagnostics, tire service, welding/fabrication, machining, or other repairs when needed.
• Maintain assigned tools, service truck inventory, parts, and work areas in a clean, organized, and safe condition; report needed repairs or replacement of shop/service equipment.
• Ensure compliance with safety protocols, housekeeping standards, PPE usage, spill prevention practices, and environmental regulations, including proper handling and disposal of fluids and waste.
• Come prepared with basic mechanic tools - see attached list for suggested tools.

Working Conditions / Physical Demands

• Work is performed in field/project environments and shop settings with exposure to noise, fumes, dust, moving vehicles/equipment, uneven surfaces, traffic/work zones, and outside weather conditions.
• Frequently required to lift, carry, push, or pull up to 50 lbs.; climb ladders, bend, squat, twist, stand for extended periods; work under vehicles/equipment or in tight spaces.

Required Competencies / Skills

• Strong mechanical aptitude and diagnostic skills; ability to troubleshoot diesel and gas engines and related vehicle/equipment systems.
• Experience with heavy-duty vehicles/equipment (or specify type: trucks, trailers, off-road equipment, etc.).
• Ability to work independently and as part of a team; strong communication skills (verbal & written).

• Time-management and prioritization skills; ability to manage multiple repairs, respond to breakdowns, and meet project/equipment deadlines.

• Commitment to safety, quality workmanship and customer service.
• Computer literacy: ability to use diagnostic software, track parts and labor electronically.

Required Education / Credentials / Experience

• 3+ years of experience as a heavy-duty mechanic or equivalent; or completion of a relevant technical/vocational program.
• Valid drivers license and clean driving record; CDL (Class A) license preferred.
• Ability to obtain/maintain any required state or federal credentials/licences.

Performance Expectations & Culture Fit

• Embrace and model our company values: safety first, integrity in work, continuous improvement, teamwork, customer-focus.
• Proactively identify opportunities to improve operations, reduce waste/time, and suggest improvements.
• Represent the company professionally on-site, with peers, vendors and customers.

Equal Opportunity & Accommodation Statement

Our company is an equal opportunity employer. We comply with the Minnesota Human Rights Act and federal law regarding employment discrimination and provide reasonable accommodation for qualified individuals with disabilities. Applicants needing accommodations in the application or hiring process should contact us.

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Roll-around tool cabinet (8 to 24 drawers)

Hand Tools & Small Equipment

• Pliers standard
• Pliers needle nose
• Pliers wire strippers
• Pliers diagonal cutter
• Pliers retaining ring
• Vise Grips (7" & 10")
• Hex key set (.028 to 3/8)
• Gasket scraper
• Punch & chisel set (including center punch)
• Pry bar 18" with screwdriver handle
• Rolling head pry bar
• Hacksaw
• Wire brush
• O-ring pick
• Screwdriver set (straight & Phillips)
• Magnetic pick-up tool
• Inspection mirror
• Trouble light
• Torx bit set (T-10 to T-60)
• Pipe wrench 18"
• Channel-lock pliers
• Adjustable wrench 10"
• Adjustable wrench 14"
• 1/4" drive

Air Tools

• 3/8" air gun
• 3/8" air ratchet
• 1/2" air gun
• Blow gun

Wrench Sets

• Combination wrench set (1/4" to 1-1/4")
• Combination wrench set (5 mm to 26 mm)
• Flare nut wrench set (3/8" to 3/4")

Socket Sets & Accessories

1/4" Drive

• Socket set (1/4" to 9/16") standard shallow
• Socket set (4 to 13 mm) metric shallow
• Socket set (1/4" to 9/16") standard deep
• Socket set (6 to 14 mm) metric deep
• 1/4" drive ratchet
• 1/4" drive extensions (2" to 12")

3/8" Drive

• Socket set (1/4" to 1") standard shallow
• Socket set (4 to 19 mm) metric shallow
• Socket set (3/8" to 1") standard deep
• Socket set (8 to 19 mm) metric deep
• 3/8" drive ratchet
• 3/8" drive extensions (4" to 18")

1/2" Drive

• Socket set (3/8" to 1-1/4") standard shallow
• Socket set (8 to 26 mm) metric shallow
• Socket set (3/8" to 1-1/4") standard deep
• Socket set (8 to 19 mm) metric deep
• 1/2" drive ratchet
• 1/2" breaker bar
• 1/2" extensions (4" to 18")

Hammers

• Ball peen hammer
• Heavy-duty hammer (40 oz)
• Dead blow hammer

This job description is not intended to cover all duties, responsibilities, or activities required of the employee. Duties and responsibilities may change at any time with or without notice.