Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Generic

Rogelio Contreras

King City

Summary

Hello, my name is Rogelio Contreras. I am currently a Heavy Equipment mechanic for PD Systems. I am highly experienced with the two years of equipment handling, along with four years of my experience as a Truck driver, including knowledge in mechanics such as building and assembling machines or mechanical components according to requirements. Inspecting machines, engines, transmissions and run diagnostic tests to discover functionality issues. Conducting repairs aiming for maximum reliability. Inspecting and repairing vehicles, machinery, and light trucks. Overseeing maintenance inspections, monitoring inventory, assembling mechanical components, and performing repairs. Troubleshooting mechanical issues. Data analysis to assess the performance of machinery. In my previous job as Heavy Equipment Operator for Caltrans I handle the operations of various large mechanical equipment vehicles including forklifts, bull dozers, cement trucks, plough trucks, loader trucks and drillers. I am flexible and can follow instructions for each unique job as it is assigned to me. I work well with others, and I take initiative on my own when the situation calls for it. I adhere to all safety standards. I'm proud to have received numerous certified licensing for my care and abilities. I am confident that I am an excellent candidate for your position and look forward to speaking with you in more detail about my qualifications. Please do not hesitate to reach out to me by phone or email to set up an interview. Thank you so much for your time and consideration.

Overview

9
9
years of professional experience
1
1
Certification

Work History

Heavy Equipment Mechanic

Pd Systems
Jolon
02.2025 - Current
  • Maintenance & Repair: Perform scheduled maintenance and repairs on various heavy equipment, including generators, vehicles, cranes, and other power-related machinery.
    Power Distribution Systems: Specifically focusing on power distribution equipment such as electrical panels, switchgear, transformers, and power generators.
    Troubleshooting: Diagnose issues with electrical systems, mechanical systems, and hydraulic systems. Use test equipment like multimeters, oscilloscopes, and diagnostic tools to identify faults.
    Record Keeping: Maintain logs of inspections, repairs, and maintenance activities. Ensure compliance with safety and regulatory standards.
    Collaboration: Work with other maintenance staff, engineers, and contractors to ensure the proper operation of PD systems and heavy equipment.
    Safety: Follow safety protocols and ensure all operations are in compliance with safety regulations and standards for military or industrial equipment.
    Mechanical Expertise: Strong background in diesel engines, hydraulic systems, and electrical systems specific to heavy equipment.
    Power Distribution Systems Knowledge: Experience working with generators, transformers, electrical distribution panels, and other related systems.
    Problem-Solving: Ability to troubleshoot complex mechanical and electrical systems.
    Tools & Equipment: Familiarity with a variety of diagnostic tools and equipment, including both manual and computer-based.

Mobile Equipment Servicer

PD Systems
Hunter Liggett
08.2024 - Current
  • As a Mobile Equipment Servicer, I supply all types of vehicles with gasoline or diesel fuel, and records mileage and tag number, checks fluid levels, battery, cooling system and engine oil, checks tires for wear and pressure, replaces wiper blades, fuses, sealed beam lights, and light bulbs.
  • Inspects equipment and performs preventive maintenance services, changes oil and filters, lubricates and greases vehicles, washes and cleans interiors and exteriors of vehicles; maintains inventories of parts and supplies, and cleans and maintains work areas.

Heavy Equipment Operator II

California Department of Transportation Caltrans
King City
07.2022 - 08.2024
  • Flexibility and Managing Uncertainty: Adjusts thinking and behavior in order to adapt to changes in the job and work environment. (Safety First - Integrity)
  • Dealing with Ambiguity (Risk): Can comfortably handle risk and uncertainty, as well as make decisions to act without having the total picture. (Safety First - Engagement, Integrity)
  • Ethics and Integrity: Demonstrated concern to be perceived as responsible, reliable, and trustworthy. Respects the confidentiality of information or concern shared by others. Honest and forthright. Conforms to accepted standards of conduct. (Safety First - Engagement)
  • Problem-solving and Decision-making: Identifies problems and uses logical analysis to find information, understand causes, and evaluate and select or recommend best possible courses of action. (Safety First, Advance Equity and Livability in all Communities - Engagement)
  • Teamwork/Partnership: Develops, maintains, and strengthens partnerships with others inside or outside of the organization through effective communication and collaboration. (Safety First - Engagement)
  • Customer Focus: Considers, prioritizes, and takes action on the needs of both internal and external customers. (Cultivate Excellence - Integrity)
  • Communication: Expresses oneself clearly in all forms of communication. Gives feedback and is receptive to feedback received. Knows that listening is essential. Keeps others in the Division and other functional units informed as appropriate. (Safety First - Engagement)
  • Forward Thinking: Anticipates the implications and consequences of situations and takes appropriate actions to be prepared for possible contingencies. Anticipates and prepares for future developments. (Safety First, Strengthen Stewardship and Drive Efficiency - Engagement, Integrity)
  • Technical Expertise: Depth of knowledge and skill in a technical area. (Safety First - Engagement, Integrity)
  • Operate equipment such as dump trucks, front loaders, mowers, and striper trucks; operate machine attachments such as loader buckets, backhoe, and skid steer to conduct repair work; operating trucks with adjustable attachments (e.g., front plow, attenuator, towable pull brooms) to sweep debris from paved surfaces, and/or remove snow and ice; operate hand tools such as shovels, lute, pitchforks to spread, smooth, level, or steel-reinforce concrete, stone, asphalt on roads, and/or landscaped areas; distribute paving material to adjust paving finishing machine settings, material flow, and/or to indicate low spots for additional material; operating emulsion or crack sealing kettles; hauling sand, gravel, asphalt, and/or clay using dump trucks to job site areas to use for fill in washouts and/or repair highway shoulders; spreading gravel and asphalt using hydraulic spreaders to fill washouts and/or repair travel way shoulders; Install and/or repairing safety devices such as guardrails, shoulders, berms, markers, warning signals, snow fences to ensure safety measures are in place, operating chainsaws for brush and tree removal. Secure loads properly on equipment trailers; load and unload equipment and materials from equipment trailers; perform repairs and preventative maintenance on gas-powered equipment such as blowers, line trimmers, and chainsaws to ensure equipment runs properly and safely; maintain repair and maintenance records on equipment to ensure adequate recordkeeping; clean and sharpening hand tools to ensure proper and safe operation; spread materials such as topsoil, sand, compost, tan bark, decorative rock, gravel, wood chips over ground using shovels and rakes to beautify landscape, protect plants, control weeds, minimize soil erosion, and/or to prepare soil for planting; trim bushes and hedges using hedge trimmers to maintain vegetation; prune trees utilizing saws and loppers; operate tractors and loaders safely; operate wood chippers and stump grinders; dig trenches using shovels, trenchers, and tractor attachments to assist in the installation of drainage and/or irrigation systems; operate computer-controlled irrigation systems to ensure landscaped grounds are properly irrigated; plow snow to ensure roads and pathways are free from snow and drivable; remove objects and spills along roadways such as diesel, minor spill cleanup, and car batteries to properly dispose of in a safe manner. Service minor repairs and keep equipment clean. Keep all pertinent records such as pre and post operative equipment checks, fuel purchase/usage, and material usage reports.
  • I am currently an on-call employee 24/7. This position requires to be called into emergencies due to unforeseen events during afterhours. It is my duty to report when I am needed and is always available to short notice on-calls.

Rock Scaling

California Department of Transportation Caltrans
California
06.2022 - 08.2024
  • This work is removal of loose or potentially unstable disjointed rocks on slopes by manual, mechanical or chemical (non-explosive) methods. Includes removal and disposal of all spoil resulting from the rock slope operation and all pre-scaling material located in the area between the rock slope and the pavement.
  • The types of equipment and tools to be used for the work and for accessing the work area. Include any power equipment, such as excavators, hydraulic and pneumatic hammers, drills, cranes, and drag scaling systems, etc.
  • Remove loose or unstable disjointed rocks, boulders, large projecting rock blocks, and overhangs from the slope as indicated on the plans and as directed by the Representative. Supply all materials, equipment, and labor required to perform the work.
  • Conduct slope scaling and prepare finished rock slope surface using manual, mechanical or chemical (non-explosive) methods and equipment including the use of scaling bars, winching, drag scaling, air bags, hydraulic jacks, and chemical expansive agents (nonexplosive demolition agents), power equipment, such as excavators, hydraulic and pneumatic hammers, drills, cranes.
  • The scaling sequence for the project, intended direction and fall area for rock debris generated from the slope, frequency and method of rock debris removal, and disposal plan for all rock debris generated from the slope scaling work, and any rock debris currently along and adjacent to the toe of the slope. Include provisions to protect adjacent roadway facilities and components, and any local private facilities.
  • Experience in climbing at high heights, including cliffs and mountains up to 50ft-100ft.

Delivery Driver

FedEx Shipping
San Jose
06.2020 - 12.2020
  • Review invoices, work orders, consumption reports, or demand forecasts to estimate peak delivery periods and to issue work assignments.
  • Arrange for necessary shipping documentation and contact customs officials to effect release of shipments.
  • Plan, develop, or implement warehouse safety and security programs and activities.
  • Schedule or monitor air or surface pickup, delivery, or distribution of products or materials.
  • Evaluate freight or inventory costs associated with transit times to ensure that costs are appropriate.
  • Inspect physical conditions of warehouses, vehicle fleets, or equipment and order testing, maintenance, repairs, or replacements.
  • Participate in setting transportation and service rates.
  • Negotiate with carriers, warehouse operators, or insurance company representatives for services and preferential rates.
  • Confer with department heads to coordinate warehouse activities, such as production, sales, records control, or purchasing.
  • Examine products or materials to estimate quantities or weight and type of container required for storage or transport.
  • Respond to customers' or shippers' questions and complaints regarding storage and distribution services.
  • Evaluate locations for new warehouses or distribution networks to determine their potential usefulness.
  • Issue shipping instructions and provide routing information to ensure that delivery times and locations are coordinated.
  • Track and trace goods while they are en route to their destinations, expediting orders when necessary.
  • Supervise the activities of workers engaged in receiving, storing, testing, and shipping products or materials.
  • Interview, select, and train warehouse and supervisory personnel.
  • Develop or implement plans for facility modification or expansion, such as equipment purchase or changes in space allocation or structural design.
  • Examine invoices and shipping manifests for conformity to tariff and customs regulations.
  • Prepare or direct preparation of correspondence, reports, and operations, maintenance, and safety manuals.
  • Develop and document standard and emergency operating procedures for receiving, handling, storing, shipping, or salvaging products or materials.

Truck Driver

Nelly & Sons Transportation
Greenfield
01.2016 - 12.2020
  • Review global, national, or regional transportation or logistics reports for ways to improve efficiency or minimize the environmental impact of logistics activities.
  • Develop risk management programs to ensure continuity of supply in emergency scenarios.
  • Plan or implement material flow management systems to meet production requirements.
  • Negotiate with suppliers or customers to improve supply chain efficiency or sustainability.
  • Implement or monitor carbon or environmental management, accounting, or audit systems.
  • Implement specific customer requirements, such as internal reporting or customized transportation metrics.
  • Train shipping department personnel in roles or responsibilities regarding global logistics strategies.
  • Prepare or file environmental certification applications.
  • Negotiate transportation rates or services.
  • Recommend optimal transportation modes, routing, equipment, or frequency.
  • Collaborate with other departments to integrate logistics with business systems or processes, such as customer sales, order management, accounting, or shipping.
  • Ensure carrier compliance with company policies or procedures for product transit or delivery.
  • Participate in carrier management processes, such as selection, qualification, or performance evaluation.
  • Resolve problems concerning transportation, logistics systems, imports or exports, or customer issues.
  • Direct distribution center operation to ensure achievement of cost, productivity, accuracy, or timeliness objectives.
  • Maintain metrics, reports, process documentation, customer service logs, or training or safety records.
  • Recommend purchase of new or improved technology, such as automated systems.
  • Supervise the work of logistics specialists, planners, or schedulers.
  • Conduct or review environmental audits for logistics activities, such as storage, distribution, or transportation.
  • Direct inbound or outbound logistics operations, such as transportation or warehouse activities, safety performance, or logistics quality management.
  • Analyze the financial impact of proposed logistics changes, such as routing, shipping modes, product volumes or mixes, or carriers.
  • Monitor product import or export processes to ensure compliance with regulatory or legal requirements.
  • Design models for use in evaluating logistics programs or services.

Vintner

BERNARDUS WINERY
Carmel Valley
07.2018 - 11.2018
  • Responsible for and supervise the production of wines allocated to you from grape to bottle.
  • Responsible for an entire shift during the vintage period and post vintage if required. responsible for the production of all wines allocated that are scheduled for packaging.
  • Responsible to liaise closely with the Production Manager, Winemakers Production Assistant and Cellar Foreman to ensure all allocated wines are prepared in the most efficient and timely manner.
  • As part of the Winemaking team, ensure all such wines are made to the highest possible standard in line with the company's objective to achieve marketing success.
  • Ensure all LIP requirements are met.
  • Monitor winemaking trends and ensure that practices adopted are in line with industry best practice.
  • Ensure the maintenance of cellar standards for the Winery. Assist in implementing training programs for subordinate staff to ensure that skills and technical competency are maintained at the highest standard.
  • Ensure production costs are minimized and comparable to industry benchmarks.
  • Help minimize areas of high cost and or waste.
  • Assist in the maintenance and continual improvement of WH&S standards for the company.
  • Assist in the implementation and maintenance of the QMS standards for the company.
  • Assist in the maintenance and continual improvement of Safe Operating Procedures manual.
  • Assist in other duties as directed by the Winemaking Director.

Education

12 units -

HARTNELL COLLEGE
Salinas, California
06.2025

High School Diploma -

Greenfield High School
Greenfield, California
06.2016

Skills

  • Equipment maintenance
  • Vehicle inspection
  • Record keeping
  • Safety compliance
  • Oil change procedures
  • Equipment monitoring
  • Parts replacement
  • Hand and power tools
  • Effective communication skills
  • Equipment operation
  • Tire changing
  • Lubrication processes
  • Self motivation

Certification

  • Class A License
  • Vehicle Safety Inspector
  • Rock Scaler Certified
  • CPR Certified

Languages

Bilingual English & Spanish

Timeline

Heavy Equipment Mechanic

Pd Systems
02.2025 - Current

Mobile Equipment Servicer

PD Systems
08.2024 - Current

Heavy Equipment Operator II

California Department of Transportation Caltrans
07.2022 - 08.2024

Rock Scaling

California Department of Transportation Caltrans
06.2022 - 08.2024

Delivery Driver

FedEx Shipping
06.2020 - 12.2020

Vintner

BERNARDUS WINERY
07.2018 - 11.2018

Truck Driver

Nelly & Sons Transportation
01.2016 - 12.2020

12 units -

HARTNELL COLLEGE

High School Diploma -

Greenfield High School

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