Marcos Serra
Cañon City,CO
Summary
Mechanical Design Engineer with a strong manufacturing background. My extensive work history in the machining and manufacturing industry is why I stand out amongst others in the engineering field. Known for attention to detail and delivering solutions that meet project goals.
Overview
8
8
years of professional experience
Work History
Mechanical Design/Product Development Engineer
Royal Gorge Route Railroad
Cañon City, CO
03.2025 - Current
- Serve as the primary engineering resource for custom fabrication, product development, and technical problem-solving initiatives.
- Design functional components and assemblies using CAD software, producing detailed models and manufacturing documentation.
- Develop and fabricate prototypes utilizing CNC machinery and FDM/SLA style 3D Printers.
- Evaluate, test, and revise prototype designs through development cycles to optimize functionality, fitment and reliability.
Maintenance & Grounds Dept. Lead
Royal Gorge Bridge & Park
Cañon City, CO
04.2021 - 02.2025
- Conducted troubleshooting and repairs on various utility systems, including plumbing, electrical, and vehicle maintenance, to support park functionality.
- Coordinated tasks and timelines for grounds department to ensure optimal workflow and productivity.
- Trained employees on equipment usage and maintenance, including grandstand mowers and line trimmers.
- Oversaw the interview process and played a key role in recruitment, while developing employee work schedules.
- Conducted inventory management and streamlined ordering processes for purchase and work requests.
Engine Machine Operator
Estes Rockets
Penrose, CO
10.2020 - 04.2021
- Oversaw operation and maintenance of engine manufacturing machinery for Estes model rocket engine production.
- Conducted regular maintenance and changeovers on pneumatic and hydraulic systems to ensure optimal machine performance.
- Executed safe handling of black powder explosives while adjusting measures to regulate powder quantities for rocket testing compliance.
- Conducted engine testing to measure thrust delay and burst, while adjusting measures to meet specifications.
- Monitored and documented reject engine runs, downtime maintenance, and production details using production logs.
Manual Machinist & CNC Operator
Aviation Welding Technologies
Uxbridge, MA
05.2018 - 04.2020
- Use tools to measure, inspect and perform metal shaping processes to guarantee parts are flat, round, and concentric, prior to machining operations.
- Operated manual lathes and milling machines (Leblond & Bridgeport) to bring aircraft components to precise dimensional tolerances.
- Set up, programmed, and operated CNC machines (Okuma 60L) to repair and overhaul aircraft exhaust ducts and manufacture D-flanges from raw forgings.
- Designed and fabricated custom fixtures to mount new parts to for machining operations as scope of work expanded.
- Recorded measurements and kept documentation to support blueprint drawings and repair procedures.
Education
Bachelor of Science - Cognitive Psychology
University of Massachusetts, Dartmouth
North Dartmouth, MA05-2018
Skills
- CAD software (SolidWorks, AutoCAD, Fusion360)
- CNC and gcode
- Machining and manufacturing industry background
- Project management
- Problem-solving abilities
- Manufacturing processes
Accomplishments
Designed and developed a production-ready, three-piece lighting fixture assembly that replaced conventional fabrication methods, reducing manufacturing complexity and costs.
Timeline
Mechanical Design/Product Development Engineer
Royal Gorge Route Railroad
03.2025 - Current
Maintenance & Grounds Dept. Lead
Royal Gorge Bridge & Park
04.2021 - 02.2025
Engine Machine Operator
Estes Rockets
10.2020 - 04.2021
Manual Machinist & CNC Operator
Aviation Welding Technologies
05.2018 - 04.2020
Bachelor of Science - Cognitive Psychology
University of Massachusetts, Dartmouth