Daniel Castillo
Fontana
Summary
Skilled telecommunications tower professional with strong hands-on experience building, upgrading, and troubleshooting wireless infrastructure on towers and rooftops. Proven ability to lead crews, train new technicians, and uphold strict safety standards. Background includes construction, carpentry, roofing, cement work, warehouse operations, equipment operation, and four months of fire-stopping experience. Reliable, safety-driven, and committed to quality workmanship.
Overview
18
18
years of professional experience
1
1
Certification
Work History
Material Handler
Warehouse Services Inc.
San Bernardino
01.2026 - Current
- I operate order picker lift to pull tire orders as well as drive a sit down lift as a Rover to load pallets into trailers.
Tower Technician lead
Metricom Networks
San Bernardino
11.2022 - 12.2025
- Built, upgraded, and decommissioned RF towers and rooftop systems for wireless networks.
- Troubleshoot radios, antennas, and equipment for optimized system performance.
- Trained and supervised new technicians on safe and efficient work practices.
- Maintained crew compliance with fall protection and job site safety standards.
Fire Stopping Technician
Preffered Fire Stopping
Corona
04.2024 - 08.2024
- Installed fire stopping materials in commercial and residential buildings.
- Conducted inspections to ensure compliance with safety regulations.
- Collaborated with contractors to coordinate project timelines and requirements.
Tower Technician
Tricom Networks Inc.
Wildomar
07.2020 - 11.2022
- Upgraded cellular towers including replacement of antennas and RF radios.
- Operated aerial lifts and worked at heights to complete field installations.
- Assisted with material handling and staging of equipment for tower projects.
Loader/Unloader
UPS
Ontario
06.2019 - 07.2020
- Loaded and unloaded trailers and aircraft containers.
Warehouse Associate
Prodyne
Rancho Cucamonga
12.2018 - 07.2020
- Loaded/unloaded trailers, pulled orders, and assembled products.
- Operated sit-down forklifts for warehouse stock movement.
Carpenter Apprentice / Framer
Rancho Valley Construction
Temecula
10.2017 - 12.2018
- Assisted in framing, roof sheathing, I-beam furring, blocking, and fastening hardware.
- Did stucco and cement work as needed.
Fulfillment Center Associate
Walmart Distribution Center
07.2017 - 10.2017
- Pulled orders using RF scanner as well as packed orders to be shipped out.
Fulfillment Center Associate
Amazon
San Bernardino
03.2017 - 07.2017
- Selected orders housing RF Scanner in fast paced working environment while complying with all safety protocols.
Fulfillment Center Associate
Nordstrom
San Bernardino
06.2015 - 01.2017
- Order picking, packing, shipping, returns, and stock control.
- Using RF scanner; also trained new employees on daily functions and protocols.
Warehouse Associate
Ashley Furniture
Colton
02.2015 - 05.2015
- Packaged finished products on assembly line prior to shipment.
Distribution Center Associate (Level 1)
Sports Authority
Fontana
07.2011 - 11.2014
- Manifested, palletized, and loaded shipments from conveyor system.
- Maintained workflow by clearing conveyor jams and operating RF scanners.
Construction Worker / Carpenter Apprentice
Castillo’s Construction
Fontana
03.2008 - 06.2011
- Assisted with home remodeling including framing, cement, roofing, and window installs.
Education
High School Diploma -
Citrus High School
Fontana, CASkills
- Telecom Tower Upgrades
- RF Equipment
- Crew Leadership
- Training
- Aerial Lift
- Working at Heights
- Fire-Stopping
- Safety Compliance
- Power Tool Proficiency
- Hand Tool Proficiency
- Construction
- Carpentry
- Shipping
- Receiving
- Inventory Control
- Forklift Operation
- RF Scanners
- Warehouse Systems
- Fast Learner
- Team Player
Additional Information
Comfortable working outdoors, at heights, and in physically demanding conditions. Strong communication and teamwork skills.
Certification
- OSHA 10 - Construction Safety
- Aerial Lift Certified, 01/01/20
- Forklift Certified
- Fire-Stopping Experience, 4 months
- CRP Certified
- Bechtel Passport
Timeline
Material Handler
Warehouse Services Inc.
01.2026 - Current
Fire Stopping Technician
Preffered Fire Stopping
04.2024 - 08.2024
Tower Technician lead
Metricom Networks
11.2022 - 12.2025
Tower Technician
Tricom Networks Inc.
07.2020 - 11.2022
Loader/Unloader
UPS
06.2019 - 07.2020
Warehouse Associate
Prodyne
12.2018 - 07.2020
Carpenter Apprentice / Framer
Rancho Valley Construction
10.2017 - 12.2018
Fulfillment Center Associate
Walmart Distribution Center
07.2017 - 10.2017
Fulfillment Center Associate
Amazon
03.2017 - 07.2017
Fulfillment Center Associate
Nordstrom
06.2015 - 01.2017
Warehouse Associate
Ashley Furniture
02.2015 - 05.2015
Distribution Center Associate (Level 1)
Sports Authority
07.2011 - 11.2014
Construction Worker / Carpenter Apprentice
Castillo’s Construction
03.2008 - 06.2011
High School Diploma -
Citrus High School