Mark Guerrero
Round Rock,TX
Summary
Reliable Oil Field Worker known for high productivity and efficient task completion. Skilled in testing pressure valves to ensure they work properly , performing routine maintenance, and ensuring safety compliance on site. Excel in teamwork, problem-solving, and adaptability, contributing to operational excellence and project success.
Overview
3
3
years of professional experience
2022
2022
years of post-secondary education
Work History
Oil Field Worker
3s Services LLC
Carrizo Springs, Texas
07.2025 - 01.2026
- Conducted routine inspections on tools and equipment for proper functionality.
- Monitored site conditions and reported hazards to supervisors immediately.
- Followed instructions from senior workers to complete tasks accurately.
- Performed preventative maintenance on oilfield machinery to reduce downtime and improve efficiency.
- Identified potential problems through visual inspections and testing of equipment.
- Replaced defective parts and components to ensure operational efficiency.
- Documented maintenance activities and repairs in the tracking system accurately.
- Replaced defective parts such as bearings, seals, gears, valves.
- Inspected valves for quality and operational integrity.
- Assembled valve components using hand tools and machinery.
- Conducted routine maintenance on valves to ensure functionality.
- Followed safety protocols during all maintenance activities.
- Documented service records for each valve serviced or repaired.
- Repaired defective valves, including replacing seals, gaskets, springs, and other components.
- Inspected parts for defects or wear before installation into a system; replaced any defective parts immediately.
- Calibrated valves using hand tools and gauges according to manufacturer specifications.
- Attended regular training sessions related to new developments in valve technology and safety procedures.
- Checked, disassembled and repaired control valves and safety relief valves.
- Utilized various troubleshooting, diagnostic, and repair methods to alleviate valve issues and operational problems.
- Worked closely as part of effective team to deliver customer requests on time.
Cook
Arturo’s tacos
Crystal City, Texas
08.2024 - 06.2025
- Prepared fresh ingredients for daily taco specials and menu items.
- Cooked and assembled tacos while maintaining high food safety standards.
- Collaborated with team members to ensure efficient kitchen operations.
- Maintained cleanliness of workstations, utensils, and cooking equipment.
- Cleaned kitchen equipment, surfaces, utensils and dishes.
- Operated grills, fryers and broilers to cook items to quality guidelines.
- Enforced proper sanitation practices to prevent spoiling or contamination of foods.
- Carried pans and trays of food to and from work stations, stove, and refrigerator.
- Monitored stock levels of food items and ordered more when necessary.
Manager
McDonald’s
San Antonio, Texas
09.2022 - 07.2024
- Supervised daily operations to ensure efficient service delivery.
- Trained and mentored team members on customer service standards.
- Managed inventory levels to maintain stock availability and freshness.
- Implemented staff schedules to optimize labor efficiency during peak hours.
- Ensured compliance with health and safety regulations across the restaurant.
- Resolved customer complaints to enhance guest satisfaction and loyalty.
- Monitored staff performance and addressed issues.
- Enforced customer service standards and resolved customer problems to uphold quality service.
- Coached, mentored and trained team members in order to improve their job performance.
Education
Crystal City High-school
Crystal City, TexasSkills
- Equipment maintenance
- Hazard identification
- Team collaboration
- Decision-making
- Quality assurance
Timeline
Oil Field Worker
3s Services LLC
07.2025 - 01.2026
Cook
Arturo’s tacos
08.2024 - 06.2025
Manager
McDonald’s
09.2022 - 07.2024
Crystal City High-school