ARTURO AGUIRRE JR.
Los Angeles,CA
Summary
Accomplished railroad professional with extensive experience in federal locomotive inspection and mechanical systems maintenance. Demonstrated expertise in conducting mandated inspections, ensuring 100% compliance with regulations, and leading a 20-person crew focused on safety and operational excellence. Recognized for exceptional contributions with multiple awards while facilitating effective bilingual communication.
Overview
28
28
years of professional experience
Work History
Journeyman Machinist / Travel Machinist / Federal Line Inspector
Union Pacific Railroad (UPRR)
City of Commerce, CA
01.1999 - Current
- Execute all federally mandated locomotive inspections quarterly, semi-annual, annual, and tri-annual in accordance with FRA 49 CFR regulations across Los Angeles, Los Nietos, GEMCO Yard, Oxnard, Guadalupe, and Santa Maria rail yards, ensuring 100% regulatory compliance and operational readiness of the UPRR locomotive fleet.
- Inspect, troubleshoot, and repair heavy diesel-electric locomotives, resolving mechanical, pneumatic, and electrical failures to restore FRA-compliant operation, reduce downtime, and maintain UPRR freight and passenger rail reliability across Southern California.
- Deployed as a Travel Machinist to UPRR mainline incident sites across Southern California, diagnosing and repairing on-site mechanical failures with train crews and engineers to minimize service disruptions while maintaining regulatory compliance and public safety.
- Participated in post derailment investigations across the UPRR network, identifying root causes and preparing technical findings that supported corrective actions and continuous safety improvements.
- Conducted on-site damage assessments and authored loss reports for vandalized and accident damaged locomotives, supporting insurance claims, liability determinations, and operational recovery for swift return to service.
- Collaborated with FRA inspectors and UPRR engineering leadership to obtain regulatory waivers for accident-damaged locomotives, verifying welding repairs met federal safety requirements before return to service.
- Earned two Golden Spike Awards for exceptional performance and contributions exceeding role expectations, plus an Efforts Award for outstanding teamwork, operational excellence, and crew safety.
Foreman Supervisor
Union Pacific Railroad (UPRR)
City of Commerce, CA
01.2012 - 01.2017
- Directed the full daily operations of a 20-person machinist crew across multiple shifts, assigning work orders based on operational priority, monitoring task execution, and ensuring all maintenance and repair work was performed safely, efficiently, and in complete compliance with UPRR standard operating procedures and FRA regulatory requirements.
- Authorized the final release of fully serviced locomotives after personally verifying the completion of all required federally mandated inspections, maintenance tasks, and quality checks per UPRR specifications and FRA 49 CFR compliance standards, serving as the last line of quality assurance before equipment re-entered revenue service.
- Planned, coordinated, and executed Z-Train priority freight operations, ensuring that high-value, time-sensitive freight movements met critical scheduling windows and customer service commitments through proactive workforce deployment and locomotive readiness management.
Education
High School Diploma -
Theodore Roosevelt High School
Los Angeles, CA01-1992
Skills
- Federal Locomotive Inspection
- FRA 49 CFR Regulatory Compliance
- Departure Air Brake Testing & FRA Compliance
- Safety Risk Reduction (SFRRP)
- Heavy Equipment & Locomotive Repair
- Derailment Investigation and Root Cause Analysis
- Hazardous Materials Compliance
- Train Inbound / Outbound Operations Management
- Precision Machine Operator
- Heavy Equipment Operator
- Machinist Trainer
- Supervisor & Crew Leadership
- Shop Floor Management (SFM) Reporting Systems
- Vandalism Damage Assessment & Loss Reporting
- Environmental and Safety Training Administration
- Written & Verbal Communication
- Bilingual Communication (English / Spanish)
Certifications And Professional Training
- Federal Line Inspector (FLI) Certification - Union Pacific Railroad / FRA
- CR74RZ - Fall Protection: Authorized Person Refresher Training
- Active Shooter Response Training - Run, Hide, Fight Protocol
- EV03E - Spill Prevention, Control and Countermeasures & Discharge Prevention
- Phishing Awareness Training - Cybersecurity & Information Protection
- EVA - Asbestos Awareness Training
- PXBDE - Heat Stress Prevention Training
- EV13E - Storm Water Pollution Prevention Training
- Hazardous Materials Emergency Response Plan Guide
- SFFRE - Fire Extinguisher Annual Training
- Security Awareness & In-Depth Security Training
- Environmental Management at Union Pacific
- Waste Management Training for Handlers (Including California-Specific Regulations)
- Hazardous Materials Business Plan Training - California Law Compliance
- Union Pacific Medical Processes and Policies
- HCPTE - Hearing Conservation Program Training
- Mechanical General Training
- Medical Rules Training
- Global Harmonization Refresher - GHS / HazCom Standards
- California Workplace Harassment Prevention
- California Workplace Violence and Abusive Conduct Prevention
- MO15E - Personal Protective Equipment (PPE) Training
- The How Matters - Agreement Professionals Development Program
Desired Locations
- Los Angeles County, CA / Ventura County , CA / Orange County, CA
Personal Information
- Citizenship: United States Citizen
References
- Robert Mercado, Manager (308)520-3230
- Kurt Salazar, Manager (951)288-9455
Timeline
Foreman Supervisor
Union Pacific Railroad (UPRR)
01.2012 - 01.2017
Journeyman Machinist / Travel Machinist / Federal Line Inspector
Union Pacific Railroad (UPRR)
01.1999 - Current
High School Diploma -
Theodore Roosevelt High School