David Valtierra
Fairfield
Summary
Dedicated and reliable custodial professional with growing experience in maintaining clean and safe environments. Skilled in a variety of cleaning techniques, equipment operation, and waste management. Committed to delivering high standards of cleanliness and enhancing the overall appearance of facilities. Proven track record of reliability, attention to detail, and strong work ethic.
Overview
12
12
years of professional experience
Work History
Substitute Custodian
Fairfield-Suisun Unified School District
10.2025 - Current
- Maintained cleanliness and sanitation of school facilities following established guidelines.
- Operated cleaning equipment, including floor scrubbers and vacuums, effectively and safely.
- Assisted in creating a positive learning environment with diligent maintenance of classrooms, hallways, and common areas.
- Improved school cleanliness by performing thorough and regular custodial duties, including sweeping, mopping, and sanitizing surfaces.
- Increased efficiency by properly organizing janitorial supplies and equipment, ensuring easy access when needed.
Environmental Services Technician
PRIDE Industries
06.2025 - 07.2025
- Performed daily cleaning and sanitization of assigned areas to maintain safety and hygiene standards.
- Adhered to all safety protocols while handling cleaning chemicals and equipment for risk reduction.
- Maintained patient and hospital confidentiality.
- Ensured timely completion of assigned tasks by prioritizing duties based on urgency and importance.
- Maintained a high level of customer satisfaction by addressing concerns promptly and professionally.
Warehouse Forklift Operator
Gold Star Foods
12.2021 - 02.2025
- Operated forklifts to transport goods efficiently within warehouse environment.
- Conducted routine inspections on equipment to ensure safety and compliance standards.
- Maintained accurate inventory records through systematic labeling and tracking processes.
- Collaborated with team members to streamline order fulfillment and enhance workflow efficiency.
Clean Room Technician
VWR, Part Of Avantor
10.2018 - 12.2021
- Maintained cleanroom environments adhering to strict contamination control protocols.
- Developed standard operating procedures for cleanroom protocols, enhancing workflow efficiency.
- Disinfected and sterilized equipment and containers to destroy microorganisms.
- Maintained a safe working environment by adhering to safety protocols, wearing appropriate personal protective equipment, and promptly addressing potential hazards.
Receiving Clerk
ABCO Laboratories
09.2013 - 09.2018
- Received and inspected incoming shipments to ensure accuracy and quality compliance.
- Organized inventory in designated storage areas to optimize accessibility and space utilization.
- Coordinated with vendors for timely order fulfillment and issue resolution as necessary.
- Maintained accurate records of received goods, utilizing inventory management systems effectively.
Education
High School Diploma -
Sem Yeto High School
Fairfield, CASkills
- Heavy lifting
- Cleaning proficiency
- Sanitation practices
- Time management
- Inventory recordkeeping
- Problem-solving
- Multitasking and organization
Languages
Spanish
Professional Working
Timeline
Substitute Custodian
Fairfield-Suisun Unified School District
10.2025 - Current
Environmental Services Technician
PRIDE Industries
06.2025 - 07.2025
Warehouse Forklift Operator
Gold Star Foods
12.2021 - 02.2025
Clean Room Technician
VWR, Part Of Avantor
10.2018 - 12.2021
Receiving Clerk
ABCO Laboratories
09.2013 - 09.2018
High School Diploma -
Sem Yeto High School