Summary
Overview
Work History
Education
Skills
Personal Projects: Home CNC Machinist
Timeline
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Roselle De Leon

Laurel,MD

Summary

Detail-oriented production technician with CNC Machining and laser micromachining skills. Experienced in operating advanced production systems, ensuring quality control, and optimizing machine performance for enhanced efficiency.

Overview

5
5
years of professional experience

Work History

Production Technician

Potomac Photonics
Halethorpe, Maryland
09.2023 - 11.2025
  • Set up and operated various laser systems and CNC machine for cutting, drilling, marking/engraving on materials like polymers, metals, ceramics, glass, and silicon wafers during production runs.
  • Adjusted parameters and offsets to maintain part accuracy.
  • Performed assembly of components while ensuring compliance with quality control procedures.
  • Measured completed parts to detect defects using precision measuring tools (e.g., calipers, micrometers, Quadra-Check, Micro-Vu).
  • Reviewed engineering drawings, blueprints, sketches, and product specifications to determine the components needed for assembly and production.
  • Collaborated with engineers and the quality assurance team to identify product defects.

QA Technician

Wireless Buybacks
Savage, MD
07.2020 - 09.2023
  • Conducted thorough testing of devices for any physical and software defects.
  • Documented test results and device conditions accurately.
  • Prepared devices for resale by ensuring quality, compliance, and proper configuration.
  • Communicated regularly with management to discuss quality trends.

Education

Bachelor of Science - Computer Science

Mapua University
Philippines
10-2018

Skills

  • CNC machining, Laser micromachining
  • Quality control
  • Program adjustment
  • G-code
  • Production setup
  • CAD/CAM

Personal Projects: Home CNC Machinist

  • Operate and maintain a personal 3-axis CNC router, gaining hands-on experience with machine setup, fixturing, and material handling.
  • Utilized Fusion 360 (CAD/CAM) for designing parts and generating toolpaths.

Timeline

Production Technician

Potomac Photonics
09.2023 - 11.2025

QA Technician

Wireless Buybacks
07.2020 - 09.2023

Bachelor of Science - Computer Science

Mapua University
Roselle De Leon