Zachery Calligan
Glen Burnie,MD
Summary
Pool Service Technician/Manager with comprehensive expertise in pool systems, maintenance, and construction. Led daily operations to optimize service delivery and enhance customer satisfaction through effective communication. Skilled in diagnostics, repairs, and installations, ensuring high-quality service and team performance.
Overview
1
1
Certification
14
14
years of professional experience
Work History
Service Technician
Elite Pools
Rosedale, Maryland
03.2026 - Current
- Managed daily service operations, maintaining system functionality through proactive maintenance.
- Delivered exceptional customer service, prioritizing high standards of care and quality.
- Facilitated sales and installations of automation systems, improving customer experience. upgrade kits for Pentair and Jandy automation systems.
- Gained knowledge of various systems to improve troubleshooting and repairs. with Hayward systems and Sta-Rite equipment to enhance service capabilities.
- Balanced and checked water chemistry at each pool to maintain optimal conditions.
- Replaced plumbing systems during pump upgrades, optimizing flow through precise refabrication of pipes.
- Conducted client indoctrinations, enhancing client comfort and independence in operating systems.
- Upgraded various pool components, including heaters, pumps, chlorinators, and lighting systems.
- Performed various tasks of leak detection through pressure testing, dye tests, and various electronic leak detection devices.
Service Technician/Manager
Nova Pools and Spas
Pasadena, Maryland
03.2019 - 10.2025
- Directed daily pool service operations, optimizing route scheduling and maintenance standards for high-quality delivery.
- Diagnosed and resolved complex mechanical and electrical issues with pumps, filters, heaters, and plumbing systems.
- Implemented preventative maintenance procedures that reduced service callbacks and enhanced equipment longevity.
- Sold and installed upgraded systems and equipment, enhancing customer experience and system reliability. to improve service offerings.
- Led training for technicians on water chemistry, system diagnostics, equipment installation, and safety compliance.
- Instructed customers on proper equipment use and maintenance practices.
- Conducted pool schooling sessions for customers on system operation and pool chemistry management.
- Strengthened customer relationships through effective communication and reliable service excellence.
Lead Mechanic
JC Customs
Glen Burnie, Maryland
06.2016 - 10.2018
- Oversaw daily shop operations, managing diagnostics, repairs, and preventive maintenance to ensure vehicle reliability and customer satisfaction.
- Performed advanced diagnostics and complex mechanical troubleshooting using specialized tools and equipment.
- Assigned work orders and prioritized workflow to achieve timely repairs while upholding quality standards.
- Trained and mentored junior technicians, enhancing their skills and reinforcing industry best practices for improved team performance.
- Communicated repair findings, timelines, and cost estimates clearly to customers and management for enhanced transparency.
Mechanic
Bobs Automotive
08.2012 - 06.2016
- Diagnosed and repaired mechanical and electrical vehicle systems, including engines, transmissions, brakes, steering, and suspension components.
- Utilized diagnostic scanners and testing equipment to troubleshoot and resolve vehicle issues, ensuring reliable performance and safety.
- Replaced and serviced critical components such as alternators, starters, belts, sensors, and fuel system parts to restore vehicle functionality.
- Performed preventive maintenance services such as tune-ups, oil changes, fluid exchanges, and safety inspections to ensure optimal vehicle performance.
- Maintained clean, organized, and safety-compliant work environment, supporting consistent adherence to productivity and quality standards.
Education
Glen Burnie High School
Glen Burnie, MD06-2012
Skills
- Pool equipment installation and repair
- Automation system diagnostics and installation
- Mechanical diagnostics and troubleshooting
- Engine electrical and hydraulic repair
- Plumbing system installation
- Preventive maintenance programs
- Diagnostic tools and testing equipment
- Pressure and leak detection
- Water chemistry and chemical balancing
- Blueprint and schematic interpretation
- Sales of new equipment and technology
- Team leadership and training
- Customer service and safety compliance
Personal Information
Title: POOL SERVICE TECHNICIAN/MANAGER
INTERESTS
Restoration and hands-on mechanical projects. Outdoor activities and staying active. Coaching and mentoring others in skilled trades. Learning new technologies and equipment systems, Home improvement and DIY building projects. Upgrading technologies from computers and technological equipment to labor projects to improve quality of life. Wiring, plumbing, and learning new systems and technologies to improve my knowledge and progress as much as I can in life.
Certification
- Certified Pool Operator (CPO) program, provided by the Pool & Hot Tub Alliance (PHTA).
Timeline
Service Technician
Elite Pools
03.2026 - Current
Service Technician/Manager
Nova Pools and Spas
03.2019 - 10.2025
Lead Mechanic
JC Customs
06.2016 - 10.2018
Mechanic
Bobs Automotive
08.2012 - 06.2016
Glen Burnie High School