Mario Osorno
Las Vegas,NV
Summary
Experienced Mechanic IV / Machinist IV with a strong background in industrial manufacturing, precision machining, mechanical troubleshooting, inspection, and equipment maintenance. Qualified in Nondestructive Testing (NDT) / Magnetic Particle Testing (MT Level I), with extensive military technical and leadership experience in high-accountability maintenance operations. Proven ability to work independently, solve complex production problems, maintain strict safety and quality standards, and quickly master new equipment and processes.
Overview
1
1
Language
18
18
years of professional experience
Work History
Mechanic IV / Machinist IV
Progress Rail
Henderson, NV
04.2025 - Current
- Operate and maintain heavy industrial machinery and precision machining equipment to repair, recondition, and manufacture locomotive components to specified tolerances and quality standards.
- Perform precision measurement, inspection, and Nondestructive Testing (NDT) / Magnetic Particle Testing (MT Level I) to verify component integrity, identify defects, and ensure compliance with technical specifications and quality requirements.
- Diagnose mechanical and production issues, make machine/tooling adjustments, interpret technical drawings and work instructions, and independently resolve problems to maintain safe, efficient production flow.
- Safely rig, lift, position, and handle large components using overhead cranes and material-handling equipment while coordinating with production, quality, and maintenance personnel to meet daily production requirements.
Security Officer
Golden Nugget Hotel & Casino
Las Vegas, NV
10.2024 - 03.2025
- Maintained safety and security in a high-volume hospitality environment, responding to incidents and safeguarding personnel and high-value assets.
United States Air Force - Aircraft Armament System
United States Air Force, USAF
Multiple U.S. & Overseas Assignments
03.2009 - 09.2024
- Led and trained technical maintenance teams performing inspection, servicing, troubleshooting, repair, and operation of complex aircraft armament systems and support equipment.
- Diagnosed mechanical, electrical, and operational malfunctions using technical manuals, schematics, established procedures, and systematic troubleshooting techniques.
- Inspected, maintained, cleaned, lubricated, and verified serviceability of specialized mechanical and electrical equipment in high-accountability maintenance operations.
- Coordinated personnel, equipment, materials, and maintenance activities across multiple work centers to meet demanding operational schedules and mission requirements.
- Developed and delivered technical training while providing hands-on instruction to junior personnel on equipment operation, maintenance procedures, safety standards, and proper work practices.
- Enforced strict safety, quality, security, and procedural standards while independently resolving technical issues and communicating operational requirements across teams and leadership.
Education
Magnetic Particle Testing (MT) Level I - QAP-021
Progress Rail
Henderson, NV01-2026
Overhead Crane Hands-On Training
Precision Crane & Hoist Services
Henderson, NV12-2025
Associate of Applied Science - Aircraft Armament Systems Technology
Community College of The Air Force
Montgomery, AL03-2024
Skills
- Industrial Machinery & Machining
- Precision Measurement & Inspection
- Magnetic Particle Testing (MT) Level I
- Mechanical Troubleshooting & Repair
- Technical Drawings & Work Instructions
- Overhead Crane & Material Handling
- Machine Setup & Tooling Adjustments
- Production Safety & Quality Control
Languages
Spanish
Limited
Timeline
Mechanic IV / Machinist IV
Progress Rail
04.2025 - Current
Security Officer
Golden Nugget Hotel & Casino
10.2024 - 03.2025
United States Air Force - Aircraft Armament System
United States Air Force, USAF
03.2009 - 09.2024
Magnetic Particle Testing (MT) Level I - QAP-021
Progress Rail
Overhead Crane Hands-On Training
Precision Crane & Hoist Services
Associate of Applied Science - Aircraft Armament Systems Technology
Community College of The Air Force