Trenchless – Crane Technician/ Mechanic

Ruby-Collins Inc.; Atlanta (GA); On-site; USD 65,000 - 90,000; Full time

Job summary

Ruby-Collins is a leading general contractor based in Atlanta, GA, seeking a Crane Technician/Mechanic to inspect, diagnose, maintain, and repair crawler and hydraulic cranes used on Southeast projects including tunnel boring machine support. The role emphasizes safety and reliable operation to minimize downtime on water and heavy civil work.

The ideal candidate has a strong hydraulic and electrical background, crane systems experience, and the ability to travel regionally.

Qualifications

• Demonstrated experience maintaining and repairing cranes used in tunnel boring machine operations or comparable trenchless, underground, mining, or heavy civil applications.
• Strong hydraulic background with ability to read schematics and diagnose component failures.
• Strong electrical background with ability to read wiring diagrams and troubleshoot DC systems.
• Proven experience diagnosing and repairing mechanical systems on crawler/lattice boom/hydraulic cranes or similar heavy equipment.

Responsibilities

• Inspect, diagnose, service, and repair crawler and hydraulic cranes and crane systems used to support tunnel boring machines.
• Troubleshoot hydraulic systems, including pumps, motors, cylinders, valves, hoses, and fittings; identify leaks and issues.
• Diagnose electrical faults involving wiring, sensors, relays, solenoids, control panels, and safety interlocks.
• Perform preventive maintenance, inspections, lubrication, and testing per manufacturer requirements.
• Repair and maintain engines, transmissions, winches, brakes, and crawler undercarriages.
• Assist with crane mobilization, assembly, disassembly, and field setup for heavy civil projects.
• Document inspections, repairs, and equipment status; communicate with operators and project teams.
• Adhere to safety procedures including lockout/tagout and energy management.

Skills

Hydraulic systems

Electrical troubleshooting

Cranes & TBM experience

Diesel engines

Reading schematics

Tools

Diagnostic tools

Electrical meters

Pressure gauges

Job description

Ruby-Collins is an industry-leading, employee-owned general contractor headquartered in Atlanta, GA. For more than 70 years, we’ve been a trusted builder in the water and wastewater space, completing over $3 billion in work for communities across the country.

Consistently named one of the Southeast’s best places to work and a top contractor, our culture is grounded in safety and respect—every person home safe, every day. We value our people as our greatest strength and invest in clear paths for growth, learning, and advancement.

We also show up as neighbors. Beyond the work itself, our teams stay connected to the communities we serve, contributing time, expertise, and steady partnership where it matters most.

Industry-Leading Insurance & Benefits

We maintain a flexible and results-driven environment built on trust. To fully support our professionals and their families, we offer a premier compensation and benefits package:

• 100% Company-Paid Family Healthcare:$0 premiums for Medical, Dental, and Vision insurance, completely covering you and your entire family.
• Extended Year-End Rest: PTO plus an annual company closure between Christmas and New Year’s Day.
• Comprehensive Coverage:100% company-paid Short-Term Disability (STD), Long-Term Disability (LTD), and Life Insurance policies.
• Financial Security:A competitive 401(k) plan with company match, alongside annual raises and performance bonuses.
• Advanced Wellness:$0 telemedicine access and 24/7 personal nurse/EAP support networks.
• Top-Tier Culture:Work within a collaborative environment consistently named a "Best Place to Work" in the Southeast.

Job Overview

This Crane Technician/Mechanic supports all Ruby-Collins divisions – Plant, Pipeline, Trenchless, and Heavy Civil – and is responsible for inspecting, diagnosing, maintaining, and repairing crawler cranes, hydraulic cranes, and crane systems used with tunnel boring machines and other heavy construction equipment throughout the Southeast.

This position is critical to equipment reliability and safe field operations. The technician will troubleshoot mechanical, hydraulic, and electrical issues; complete preventive maintenance and repairs; support crane assembly and mobilization; and minimize downtime on active water, wastewater, utility, trenchless, and heavy civil projects.

Duties & Responsibilities

• Inspect, diagnose, service, and repair crawler cranes, hydraulic cranes, and crane systems integrated with or used to support tunnel boring machines.
• Troubleshoot hydraulic systems, including pumps, motors, cylinders, valves, hoses, fittings, accumulators, and pressure-control components; identify leaks, pressure loss, overheating, and performance issues.
• Diagnose electrical and electronic faults involving wiring, sensors, switches, relays, solenoids, control panels, safety interlocks, limit systems, and machine-control circuits.
• Perform preventive maintenance, daily and scheduled inspections, lubrication, adjustments, component replacement, and operational testing in accordance with manufacturer requirements.
• Repair and maintain mechanical systems including engines, transmissions, winches, hoists, brakes, swing systems, crawler assemblies, track components, wire rope, and related crane attachments.
• Assist with crane mobilization, assembly, disassembly, commissioning, and field setup, including boom sections, counterweights, rigging components, and tunnel boring machine support equipment.
• Document inspections, diagnostics, parts used, completed repairs, and outstanding equipment concerns; communicate equipment status clearly to operators, supervisors, and project teams.
• Follow company, OSHA, manufacturer, and site-specific safety procedures, including lockout/tagout and safe practices for stored hydraulic and electrical energy.

Qualifications & Requirements

• Required: Demonstrated experience maintaining and repairing cranes used in tunnel boring machine operations or comparable trenchless, underground, mining, or heavy civil applications.
• Required: Strong hands-on hydraulic background, including the ability to read hydraulic schematics, test system pressures, diagnose component failures, and repair pumps, valves, cylinders, motors, hoses, and related components.
• Required: Strong electrical background with the ability to read wiring diagrams and troubleshoot 12/24-volt DC systems, sensors, relays, solenoids, controls, safety interlocks, and related crane electrical systems.
• Proven experience diagnosing and repairing mechanical systems on crawler cranes, lattice boom cranes, hydraulic cranes, or comparable heavy construction equipment.
• Ability to use diagnostic tools, electrical meters, pressure gauges, service manuals, parts diagrams, and manufacturer troubleshooting procedures.
• Experience with diesel engines, powertrains, winches, hoists, brakes, crawler undercarriages, and crane assembly or disassembly is strongly preferred.
• Ability to work safely in active construction environments, including tunnels, bore pits, treatment plants, pipeline corridors, and heavy civil job sites, and to travel throughout the Southeast as needed.
• Must have a valid driver’s license with a clean driving record, be authorized to work in the US, and pass a pre-employment drug screening/physical.

Employment Notices *

I have read the disclosures below *

Ruby-Collins is an equal opportunity employer and does not discriminate, discipline, discharge, or make employment decisions based on any status protected by applicable federal, state, or local law.
Ruby-Collins participates in E-Verify, and all employees must provide valid proof of identity and employment authorization as required by law.
Ruby-Collins maintains a drug-free workplace and may conduct drug and/or alcohol testing, including pre-employment, random, reasonable suspicion, post-accident, or other testing permitted by law.
Where required for the position, Ruby-Collins may conduct criminal background checks and/or motor vehicle record checks in accordance with applicable law.