David Stanley
Mountain Valley Excavating
Aurora,CO
2027
years of professional experience
Skilled heavy equipment and diesel mechanic with experience in diagnostics, preventive maintenance, and hydraulic repair. Strong attention to detail, problem-solving, and safety practices support fast repairs, less downtime, and dependable equipment performance.
Work History
Excavator Operator
9 Months- Operated excavator for trenching, grading, and site preparation following crew directions.
- Inspected equipment before use, reporting issues to maintain safe, reliable operation.
- Positioned and maneuvered machine accurately around utilities, structures, and active work zones.
- Assisted with loading, moving, and placing soil, rock, and construction materials.
- Loaded and unloaded heavy objects, dirt and other materials on-site.
- Reduced downtime by promptly troubleshooting and repairing minor mechanical issues with the excavator.
- Calculated slopes and grades, performed ground surveys and used pipe lasers for pipe laying.
- Contributed to environmental sustainability initiatives through responsible soil management and erosion control practices.
Mechanic
- Diagnosed equipment faults using hand tools, gauges, and testing equipment.
- Repaired motors, valves, belts, and hydraulic components to restore safe operation.
- Performed preventive maintenance on pumps, compressors, and fleet equipment.
- Inspected engines, pumps, and mechanical systems for wear, leaks, and performance issues.
- Maintained work areas, tools, and equipment in compliance with safety procedures.
- Replaced defective parts and adjusted machinery to meet operational standards.
- Inspected and tested equipment to locate worn and damaged parts.
- Replaced damaged, missing, or defective parts with new and refurbished components.
- Performed diagnostic and troubleshooting procedures to find and identify root causes of mechanical issues.
- Performed preventative maintenance oil changes and brake jobs to preserve performance and reliability of vehicles.
- Completed full vehicle inspections to check for leaks, damage, or other issues of concern.
- Disassembled defective parts to make proper repairs.
- Improved vehicle performance by conducting thorough inspections and identifying necessary repairs.
- Inspected and tested vehicles and completed preventive maintenance such as engine tune-ups, oil changes, tire rotations, wheel balancing, and filter replacement.
- Analyzed and located malfunctions in brakes, motors, switches, and control systems.
- Maximized engine efficiency with routine tune-ups, oil changes, and filter replacements.
Ranch Foreman
- Supervised daily ranch operations, coordinating livestock care, fencing, and equipment upkeep.
- Directed ranch hands through feeding, watering, branding, and handling routines.
- Monitored herd health, identifying issues early and arranging veterinary support.
- Scheduled pasture rotation, improving grazing consistency and land use.
- Inspected fences, corrals, and gates, completing repairs to maintain livestock containment.
- Organized equipment maintenance, reducing downtime during critical ranch work.
- Examined animals for signs of sickness and overall herd health.
- Herded livestock using horses or ranch ATVs.
Education
High School Diploma
Skills
Excavator operation
Heavy equipment operation
Machine operation
Demolition work
Heavy equipment repair
Machine maintenance
Preventive Maintenance
Engine repair
Diagnostics
Brake systems
Power steering repair
Hydraulic repair
Suspension systems
Fluid exchanges
Heavy machinery repair
Gasket and seal replacements
Filter replacements
Exhaust systems
Battery services
Construction machinery maintenance
Excavator tire maintenance
Excavator diagnostics
Heavy equipment assembly
Communication skills
Teamwork
Time management
Multitasking
Attention to detail
Problem-solving
Decision-making
Customer service
Client communication
Maintenance record keeping
Lubrication
Exhaust systems
Power steering repair
Hydraulic repair
Battery services
Timeline
Excavator Operator
Mountain Valley Excavating
01.2026 - CurrentRead More
Mechanic
Westcliffe Petroleum
2025 - 2026Read More
Ranch Foreman
Vicky Swanson
2017 - 2025Read More
Mary County High School
High School Diploma
Read More