Heavy Equipment Mechanic

DACON, the construction business unit of Dashiell Corporation, an operating company of Quanta Services (NYSE: PWR), specializes in the construction of medium- and high-voltage electrical infrastructure. DACON delivers construction services across substations and power systems, supporting electric utilities, power generation, industrial, petrochemical, and renewable energy clients. 

Backed by more than 60 years of experience through Dashiell, DACON provides field-proven expertise in substation construction, equipment installation, cable systems, and energized infrastructure projects. DACON is part of a nationwide network of Quanta Services companies delivering safe, reliable, and high-quality electrical construction solutions. Learn more at  

Primary Function 

Dacon is seeking an experienced and dependable Heavy Equipment Mechanic to support our Deer Park, Texas operations. This is a field-based, on-call position responsible for the inspection, maintenance, diagnosis, and repair of a diverse fleet of trucks, trailers, and heavy construction equipment across active job sites throughout Houston, Texas Region. The position will report to Dacon’s Equipment Maintenance Supervisor. The ideal candidate is self-directed, safety-conscious, and skilled at working independently in remote and demanding environments. 

Duties & Responsibilities 

Employee may be called upon to perform any or all of the following functions: 

• Respond to field dispatch calls for equipment breakdowns, malfunctions, or scheduled maintenance across Houston, Texas job sites. 

• Diagnose and repair mechanical, hydraulic, electrical, and pneumatic systems on heavy equipment including, but not limited to, excavators, cranes, aerial lifts, digger derricks, bucket trucks, service trucks, and fleet vehicles. 

• Perform preventive maintenance on all assigned fleet equipment in accordance with manufacturer specifications and company schedules. 

• Conduct thorough pre- and post-repair inspections to ensure equipment is safe and roadworthy before returning to service. 

• Accurately document all maintenance, repairs, and parts used in the fleet management system. 

• Coordinate with site supervisors and the Equipment Maintenance Supervisor to prioritize and schedule repairs to minimize downtime. 

• Maintain a service vehicle stocked with appropriate tools, parts, and supplies for field repairs. 

• Identify warranty repair opportunities and coordinate with vendors or dealers as appropriate. 

• Comply with all OSHA, DOT, and company safety standards at all times. 

• Assist in the evaluation of equipment condition for repair-vs-replace decisions. 

• Communicate proactively with supervisors regarding repair status, parts needs, and estimated return-to-service timelines. 

• Perform special projects and complete other duties as assigned or requested. 

How You Will Make an Impact 

• Keep critical construction equipment operational, directly supporting project timelines and reducing costly downtime across Houston, Texas job sites. 

• Serve as the first line of defense in the field, enabling crews to stay productive through rapid, reliable mechanical response. 

• Protect the company’s investment in fleet assets through disciplined preventive maintenance and accurate documentation. 

• Contribute to a strong safety culture by ensuring every piece of equipment returned to service meets the highest standards. 

• Support Dacon’s reputation for operational excellence by maintaining equipment readiness across remote and demanding environments. 

Minimum Qualifications / Experience 

Required 

• Minimum of 5 years of experience as a heavy equipment or fleet mechanic in a construction, utility, or industrial environment. 

• Demonstrated proficiency in diagnosing and repairing diesel engines, hydraulic systems, electrical systems, and drivetrain components. 

• Ability to read and interpret mechanical, hydraulic, and electrical schematics and technical manuals. 

• Valid Class A or B Commercial Driver’s License (CDL); must maintain a clean MVR. 

• Current DOT medical card required. 

• Must be available for on-call dispatch, including nights and weekends as needed. 

• Must supply own hand tools appropriate for the trade. 

• Ability to pass a pre-employment background check and drug screen. 

Preferred 

• Experience working on utility or T&D construction equipment (aerial devices, digger derricks, cable plows, etc.). 

• ASE or manufacturer certifications (e.g., Caterpillar, John Deere, Manitowoc, Altec, Terex). 

• NCCCO or relevant equipment certification. 

• Welding and fabrication skills (MIG/stick). 

• Prior experience in electric utility construction or T&D environments. 

Physical Requirements 

• Ability to perform physically demanding work for extended periods. 

• Must be able to work outdoors in extreme West Texas weather conditions, including high heat, wind, and dust. 

• Regularly required to lift up to 75 lbs.; occasional heavier lifts with assistance or mechanical aids. 

• Ability to work in confined spaces, at elevation, and in physically demanding positions (kneeling, crawling, reaching overhead). 

• Ability to climb ladders, scaffolding, and work at heights. 

• Ability to wear required PPE at all times, including hard hat, safety glasses, steel-toe boots, FR clothing, and hearing protection. 

• Ability to operate company vehicles safely and maintain a valid driver’s license. 

• Travel within the West Texas region required daily; overnight travel may be required periodically. 

• Ability to work extended hours, including overtime and weekends as required. 

Environmental Conditions 

• Regular outdoor work in all weather conditions including extreme heat, cold, humidity, wind, and precipitation. 

• Exposure to noise, dust, heavy equipment, and active construction environments. 

• Exposure to potential industrial and electrical hazards. 

Driving & Safety-Sensitive Position 

• This position is classified as safety-sensitive and requires maintenance of a valid CDL, acceptable driving record, compliance with company motor vehicle policies, and compliance with drug and alcohol testing requirements. 

Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions as defined by Company policy. 

Equal Employment Opportunity 

Dacon is an Equal Opportunity Employer. Employment decisions are made without regard to race, religion, color, sex, gender identity or expression, sexual orientation, age, national origin, disability, veteran status, or any other protected status under applicable law. 

Candidates must be at least 18 years of age and legally authorized to work in the United States on a permanent basis without current or future visa sponsorship. Third-party recruiters and agencies, please do not contact usregardingthis position.