Mark Martinez Sosa
Pasadena,CA
Summary
Motivated professional with strong work ethic and adaptability. Delivered effective communication and interpersonal skills while mastering new challenges independently. Committed to contributing to team success and supporting organizational goals.
Overview
5
5
years of professional experience
Work History
Pipefitter irrigation tech
The sprinkler geeks
Los Angeles
02.2026 - Current
- Installed pipe systems for commercial and industrial construction projects.
- Estimated time and material costs to include in project plans.
- Assembled valves, fittings, and supports for system connections.
- Inspected valves, controllers, and sprinkler heads for proper operation.
- Adjusted timers and schedules for seasonal watering requirements.
- Diagnosed leaks, wiring faults, and pressure issues in irrigation lines.
- Repaired broken pipes, nozzles, and backflow components.
- Tested system zones and restored water flow after maintenance.
- Installed and programmed clocks, timers and rain sensors to maintain proper irrigation levels and reduce water waste. parts.
- Replaced worn out parts such as pipes, fittings, valve seals, solenoids.
- Completed weeding, mowing, and planting for assigned landscape projects.
- Provided training sessions to clients on how to operate their own irrigation systems properly.
Cooling Tower Technician
Csj cooling towers services
San Clemente, California
03.2025 - 02.2026
- Executed tasks to ensure efficient cooling tower operations.
- Performed cooling tower inspections for Csj cooling towers services.
- Repaired pumps, fans, belts, and motors for Csj cooling towers services.
- Monitored and adjusted water treatment levels to maintain optimal cooling tower performance.
- Replaced faulty parts in the cooling towers as needed.
- Supported installation projects for new and existing cooling tower systems to enhance operational capacity.
- Inspected and maintained cooling tower components, such as fans, motors, pumps, and heat exchangers.
- Installed new components in the cooling towers.
Ncr demo
NCR
Glendora, California
02.2023 - 10.2024
- .
- Separated materials from structural debris for safe demolition site cleanup.
- Operated hand tools and power tools during wall and surface removal.
- Coordinated with crew members to follow demolition plans and site directions.
- Dismantled walls, floors, ceilings, roofs and other structural components using hand tools or power tools.
- Set up scaffolding, hoists, and other temporary structures for demolition purposes.
- Operated heavy machinery such as bulldozers, backhoes, skid steers, and excavators to demolish structures.
- Cut metal stock using torch equipment for fabrication jobs.
- Measured and marked materials for accurate cutting layouts.
- Demolished walls, ceilings, and flooring on active demolition sites.
- Operated hand tools, sledgehammers, pry bars, and saws safely.
Landscape and construction
Pierre landscape
Los Angeles, California
10.2021 - 10.2023
- .
- Loaded supplies and materials onto trucks for daily jobs.
- Transported plants, turf and other materials to designated areas for installation.
- Demolished existing structures using hammers, crowbars, saws, drills, and other hand tools.
- Dug ditches or trenches, backfilled excavations or compacted and leveled earth to grade specifications.
- Operated excavator to dig trenches, foundations, and grading sites safely.
- Interpreted blueprints and followed site supervisor instructions
- Operated hand tools and power tools for framing and repairs
- Installed water supply lines for residential and commercial plumbing systems.
- Inspected drains, valves, and fittings for safety and code compliance.
- Tested pipe systems for leaks, pressure, and proper flow.
- Cut and fit pipes to established measurements.
- Assembled and installed metal and nonmetal valves, pipe fittings and pipes.
- Performed pipe fabrication, installation, and fitting according to proper specifications.
Education
Ged
Los Angeles, CaliforniaSkills
- Cooling tower maintenance
- Pipe installation
- Valve repair
- Heavy equipment operation
- Tool operation
- Hand and power tools
- Valve installation
- Sprinkler system repair
- Maintenance and repair
- Attention to detail
- Trenching and excavation
Languages
- English
- Spanish
Timeline
Pipefitter irrigation tech
The sprinkler geeks
02.2026 - Current
Cooling Tower Technician
Csj cooling towers services
03.2025 - 02.2026
Ncr demo
NCR
02.2023 - 10.2024
Landscape and construction
Pierre landscape
10.2021 - 10.2023
Ged