CHESTER KLENT CELLERO

Meriden,CT

Summary

Computer Engineering graduate and current Test Technician II with a background in formal IT support. Over 2 years of experience focused on troubleshooting, testing electro-optical systems, digital/analog signal processing, and programming / software troubleshooting. Recognized for a great attitude, an open-minded, collaborative approach, and a solid knowledge of electronics, electrical, and bench troubleshooting, as well as soldering, blueprint/schematic reading, and PCB repairs, with a proven track record of creating fast, practical ways to isolate system failures and resolve frontline downtime without losing product quality.

Overview

years of professional experience

Work History

Test Technician II

Radiall USA, Inc.

Wallingford, CT

10.2023 - Current

Perform hands-on electrical, optical, and high-speed digital/analog signal testing at 10 Gb/s and 2G on transmitters, receivers, and electro-optical modules for production and engineering builds.
Provided proactive troubleshooting support for production test benches, enabling team technicians to restore station functionality efficiently.
Review and analyze test execution scripts and basic program behaviors to isolate software-level runtime errors before engineering escalation.
Diagnosed faulty PCBs and executed precision component-level soldering and circuit repairs based on wiring diagrams and electrical schematics.
Replicate system and environment faults by checking software anomalies, physical wiring, I/O lines, and safety interlocks.
Trained new technicians on standard operating procedures and test equipment usage, fostering a collaborative environment.
(Promoted from Test Technician in March 2026)

IT Support Intern

Provincial Government IT Operations

Koronadal, Philippines

06.2018 - 08.2018

Managed daily IT helpdesk requests, troubleshooting operating system glitches, network connectivity issues, and software setups to ensure user satisfaction.
Assisted non-technical staff with step-by-step diagnostic workflows to resolve hardware and software bottlenecks effectively.
Recorded support tickets, efficiently resolved user inquiries, and updated hardware/software assets to maintain accurate inventory.

Education

Bachelor of Science - Computer Engineering

Notre Dame of Marbel University

Koronadal City, Philippines

05-2021

Skills

Core Competencies: Troubleshooting, testing electro-optical systems, digital & analog signal processing, programming / software troubleshooting analysis
Electronics & Hardware Repair: Component-level rework, soldering skills, PCB repairs, blueprint / wiring / schematic diagram reading, bench troubleshooting, fixture repair
Robotics & Automation: PID loop tuning, autonomous line followers, sumo bots, analog amplifier assembly, microcontrollers
Software & Systems: Python, C/C, OpenCV, Embedded C, Arduino programming, Windows, PowerShell, TCP/IP networking basics
Test Equipment: Oscilloscopes, digital/analog multimeters, programmable power supplies, optical power meters

Other Skills

Calibration techniques
Network troubleshooting
Electrical troubleshooting
Circuit analysis

Oscilloscope operation
Lean six sigma(white belt training)
Signal processing
Instrumentation setup
Automated test equipment
Failure analysis
Hardware installation
Problem solving
Attention to detail
Circuit troubleshooting

Personal Information

Title: TEST TECHNICIAN II

TECHNICAL & ENGINEERING PROJECTS

IoT Home Automation System | Undergraduate Thesis Multi-Award Winning Project, Multi-Award Winning Project: Won multiple engineering and technology competitions for innovative design and automation utility., Designed and bench-tested an Arduino control system using sensors, relay modules, and Embedded C to automate household power loads., Programmed a redundant GSM communication layer to serve as an automated backup interface during primary network outages., Authored system architecture and layout diagrams, ensuring low-voltage control lines were safely isolated.
Autonomous Robotics & Electronics Design | Academic & Personal Projects, Built and programmed autonomous line-follower and sumo bots, implementing PID control loop tuning for precise motor steering and navigation., Constructed a functional 90-watt audio power amplifier stage, handling component selection, layout validation, and circuit soldering.
DJI Camera Face Detection and Recognition | Personal Project, Coded a Python desktop app using OpenCV to pull live video streams from a DJI Osmo Pocket 3 camera on Windows., Fixed multi-threading issues and camera connectivity bugs during application development.

Timeline