Edrece Contreras
Cibolo
Summary
Dynamic Hazardous Waste Technician with proven expertise at Clean Harbors in hazardous materials handling and emergency response. Demonstrated strong teamwork and problem-solving skills while improving waste management practices and ensuring compliance with safety protocols. Proficient in spill control and decontamination procedures, contributing to a safer work environment.
Overview
4
4
years of professional experience
1
1
Certification
Work History
Hazardous Waste Technician
Clean Harbors
San Antonio, TX
07.2025 - 01.2026
- Assisted in identifying and segregating hazardous materials for safe disposal
- Followed safety protocols to ensure compliance with environmental regulations
- Operated waste handling equipment under supervision to support waste management processes
- Participated in training sessions on hazardous waste handling and emergency response procedures
- Maintained cleanliness and organization of work area to promote safety standards
- Collaborated with team members to improve workflow efficiency during waste collection activities
- Removed soil, debris and other materials from spill sites and placed in appropriate containers.
- Maximized protections by accurately labeling hazardous waste containers in line with environmental and safety requirements.
- Moved and loaded drums and containers weighing as much as 75 pounds.
- Conducted regular reviews of waste management practices, identifying areas for improvement and proposing actionable solutions.
- Sampled and characterized waste to generate accurate materials profiles.
- Handled emergency spills and environmental cleanup requests with organized approach.
Kitchen Staff Member
T Bar M Camps & Retreats
New Braunfels, TX
04.2025 - 07.2025
- Assisted in preparing and serving meals to campers and staff.
- Supported inventory management by restocking supplies and tracking usage levels.
- Adapted quickly to changing menu requirements and dietary restrictions of guests.
- Contributed to positive workplace culture through strong teamwork, open communication, and a commitment to excellence.
- Followed proper handling and sanitation procedures to comply with food safety standards and protocols.
- Restocked supplies and prepared additional ingredients during downtime for expected busy periods.
- Washed, peeled and cut fruits and vegetables by hand and machine and assembled and mixed salad ingredients, gelatin molds and fruit crisps.
- Chopped vegetables, cut up fruit, and prepared sauces when kitchen staff was busy.
- Transported food items from storage areas to kitchen for prepping.
- Maintained cleanliness and organization of kitchen equipment and workspaces.
- Collaborated with team members to ensure timely meal service during busy periods.
- Followed food safety protocols to maintain high hygiene standards in food preparation areas.
- Loaded dishes, glasses and tableware into dishwashing machines.
Gas Station Clerk
PIC and PAC Convenience Stores
Cibolo, TX
01.2025 - 04.2025
- Processed customer transactions efficiently using point-of-sale (POS) system.
- Maintained cleanliness and organization of store environment to enhance customer experience.
- Assisted customers with inquiries and provided product recommendations to boost sales.
- Restocked shelves and ensured product availability through regular inventory checks.
- Handled cash and credit transactions accurately, minimizing discrepancies at closing time.
- Monitored fuel supply levels and reported shortages to management for timely replenishment.
- Checked customer identification for alcohol, cigarette, and lottery sales.
- Provided accurate cash handling and timely transactions, ensuring smooth operations at the register.
- Managed inventory and restocked shelves as needed to maintain adequate product availability.
Boatswain's Mate
Navy
Japan
06.2022 - 01.2025
- Supervised deck operations, ensuring safety compliance and effective team coordination.
- Trained junior personnel in vessel maintenance and operational procedures.
- Conducted equipment inspections, identifying issues and recommending repairs for optimal performance.
- Managed inventory of tools and supplies, streamlining procurement processes to enhance operational readiness.
- Enhanced safety protocols through regular drills, fostering a culture of preparedness among crew members.
- Facilitated effective communication between the bridge and deck crew for efficient completion of tasks during underway replenishment evolutions.
- Ensured smooth sailing operations by efficiently managing mooring, anchoring, and towing procedures.
- Supervised cargo loading/unloading processes, ensuring proper stowage and securing of materials for safe transport.
- Conducted regular drills to maintain proficiency in firefighting, first aid, man overboard recovery, and abandon ship procedures among the crew.
- Reduced potential hazards by swiftly identifying and reporting any unsafe conditions or damaged equipment to the proper authorities.
- Enhanced vessel safety by conducting regular maintenance and inspection of all deck equipment.
- Contributed to successful search and rescue missions by proficiently operating small boats and deploying appropriate lifesaving equipment.
- Trained junior crew members on fundamental seamanship skills, increasing overall team competence and readiness.
- Exemplified strong leadership skills while serving as watch stander, effectively managing deck crew duties and maintaining a safe environment for all personnel onboard.
- Operated large marine vessels by adjusting speed, steering craft and utilizing navigation instruments.
- Towed and maneuvered vessels in harbors and open seas, communicating movements to passing vessels.
- Kept watch aboard vessels to identify changing conditions or potential issues and implement corrective actions.
- Planned routes and travel speeds to meet scheduling and delivery goals.
- Loaded cargo according to ship capacity and appropriate weight load distribution.
Education
High School Diploma -
Bryon P Steele
Cibolo, TX06-2020
Skills
- Waste identification
- Hazard communication
- Heavy equipment operation
- Personal protective equipment
- First aid training
- Confined space entry
- Chemical safety
- Sampling techniques
- Hazardous material handling
- Soil sampling
- Drum handling
- Spill control
- Respiratory protection
- Decontamination procedures
- Hazardous materials handling
- Waste management
- Hazardous materials
- Emergency response
- Contaminated site cleanup
- Spill clean-up
- Teamwork
- Problem-solving
- Time management
Certification
- first aid Training - 0ct 25 2025
- confined space entry -oct 27 2025
- osha 30 hr card
- tabc and food handling - jan 17 2025
Timeline
Hazardous Waste Technician
Clean Harbors
07.2025 - 01.2026
Kitchen Staff Member
T Bar M Camps & Retreats
04.2025 - 07.2025
Gas Station Clerk
PIC and PAC Convenience Stores
01.2025 - 04.2025
Boatswain's Mate
Navy
06.2022 - 01.2025
High School Diploma -
Bryon P Steele