Donovan Sedillo
Thornton,CO
Summary
Detail-oriented and adaptable professional with experience in mechanical construction, sheet metal, welding, fabrication, and technical training. Skilled in interpreting technical drawings, performing precise measurements, following safety procedures, solving problems, and maintaining organized work environments. Strong written and verbal communication skills with a proven ability to learn new processes and work effectively both independently and as part of a team. Seeking an opportunity to apply my technical knowledge and transferable skills while continuing to develop professionally.
Overview
1
1
Certification
7
7
years of professional experience
Work History
Trade Rotation Apprentice
MTech Mechanical
Westminster, Colorado
07.2026 - Current
- Supported sheet metal crews in ductwork installation, fabrication, and jobsite preparation to ensure project efficiency.
- Read and interpreted mechanical drawings and blueprints to assist with installation and layout.
- Used precision measuring tools and mathematical calculations to determine material dimensions and placement.
- Assisted with duct hangers, sheet metal components, and mechanical systems while following project specifications.
- Operated hand and power tools safely while adhering to OSHA and company safety protocols to promote a secure work environment.
- Collaborated with foremen, journeymen, and apprentices to effectively complete assigned tasks and maintain project timelines.
- Maintained organized work areas and properly handled tools and materials.
- Followed verbal and written instructions while adapting to changing jobsite assignments.
- Maintained clean and organized work areas, ensuring tools, materials, and equipment were properly stored and readily accessible.
Cleaning and Maintenance Technician
Mile High Eco Wash
Thornton, Colorado
08.2019 - 07.2021
- Operated commercial cleaning equipment, including foam cannons, to pre-clean trash bins and dumpsters.
- Removed debris with grabber tools and manual handling techniques, adhering to established safety procedures.
- Maintained clean, organized, and safe work areas throughout daily operations.
- Collaborated with team members to efficiently complete daily cleaning and maintenance assignments and achieve cleaning goals.
- Restored cleaned bins and equipment to designated locations, ensuring efficient workflow.
Education
High School Diploma -
Mountain Range High School
Westminster, CO05-2026
FutureFoward At Washington Square
Thornton, CO05-2026
Colorado Industrial Training Council
Wheat Ridge, CO10-2026
Skills
- Technical Writing & Documentation
- Blueprint & Technical Drawing Interpretation
- Precision Measurement & Material Layout
- Mechanical Construction Fundamentals
- Sheet Metal Fabrication & Installation
- Welding & Metal Fabrication
- Hand & Power Tool Operation
- Material Handling & Basic Rigging
- Safety Procedures & Hazard Recognition
- Problem Solving & Troubleshooting
- Written & Verbal Communication
- Team Collaboration
- Organization & Workspace Maintenance
- Quality Control & Attention to Detail
- Time Management & Following Procedures
Certification
- OSHA 10-Hour Construction
- HBI PACT Core Certification
- CPR/AED
- Fall Protection
- Silica Awareness
- Aerial Lift Safety
- Globally Harmonized System (GHS)
- GMAW Welding Certification
- FCAW Welding Certification
- GTAW Welding Certification
- Oxy-Acetylene Welding Certification
Accomplishments
- President's List - Spring 2026 | Front Range Community College
- National Technical Honor Society
- Welding Letter Award — 2×
- Construction Letter Award
Timeline
Trade Rotation Apprentice
MTech Mechanical
07.2026 - Current
Cleaning and Maintenance Technician
Mile High Eco Wash
08.2019 - 07.2021
High School Diploma -
Mountain Range High School
FutureFoward At Washington Square
Colorado Industrial Training Council