Summary
Overview
Work History
Education
Skills
Certification
Different certificates and licences
Timeline
Generic

SAMUEL BANCHENO

Ellicott City

Summary

Dynamic Automatic Fare Collection Technician with proven expertise at Washington Metro Area Transit Authority. Skilled in troubleshooting and diagnostics, I led successful system upgrades and maintenance, ensuring operational efficiency. Recognized for strong leadership in mentoring teams and maintaining safety compliance, I excel in high-pressure environments, delivering timely solutions to complex technical challenges.

Overview

27
27
years of professional experience
1
1
Certification

Work History

AUTOMATIC FARE COLLECTION TECHNICIAN

Washington Metro Area Transit Authority
01.2018 - Current
  • Replaced GCU and BCB circuit boards, then uploaded updated software at the mezzanine level to resolve barrier malfunction issues in Straffic fare gates.
  • Conducted routine maintenance at the mezzanine level at scheduled intervals to maximize operational efficiency and availability of WMATA's Automatic Fare Collection (AFC) equipment
  • Performed periodic maintenance tasks including sensor cleaning, mechanical component replacement, and battery replacement to safeguard critical data during power outages.
  • Monitored and controlled AFC equipment through Station Terminal and Station Operator Console to ensure proper system functionality and real-time issue resolution.
  • Performed preventive and corrective maintenance, including unscheduled repairs, system upgrades, component replacements, lubrication, cleaning, and acceptance testing of newly installed parts.
  • Interpreted electrical schematics, wiring diagrams, and mechanical layouts to diagnose and troubleshoot Automatic Fare Collection (AFC) equipment issues.
  • Maintained a safety-centered approach in all field operations, resulting in zero tolerance for workplace hazards and incidents

Aircraft Maintenance Supervisor/Team Leader

Ethiopian Airlines
04.2012 - 12.2016
  • Plan and supervise the daily activities of the technician to ensure all aircraft maintenance is performed in compliance with FAA regulation, manufacturers' maintenance manual, and company policies and procedures.
  • Facilitate effective communication among maintenance team to promptly address and resolve any issues or challenges.
  • Collaborated closely with cross-functional departments to promptly address technical issues, minimizing disruptions to flight schedules.
  • Mentored and guided junior technicians in troubleshooting techniques, fostering skill development and growth within the team.
  • Ensure adequate manpower coverage for the shift; coordinate overtime or arrange replacements as needed.
  • Enforce proper use of PPE and safety procedures
  • Served as Acting manager during the Manager's absence, including vacations and unscheduled time off.
  • Support the diagnosis and resolution of recurring mechanical, electrical, and electronic problem of aircraft system.
  • Conducting staff training evaluations, and correcting performance issues

Aircraft Maintenance Technician/Quality Control Inspector

Ethiopian Airlines
03.1998 - 04.2012
  • Reviewed maintenance tasks completed by technicians to ensure accuracy, completeness, and proper documentation in accordance with approved procedures and regulatory requirements.
  • Performed thorough daily checks on all flight safety equipment, maintaining operational readiness and adherence to safety regulations
  • Installed and maintained Flight Management Computer (FMC) navigation databases and updated Engine Indicating and Crew Alerting System (EICAS) computer software on Boeing aircraft including B767-200/300, B757-200, B737-600/700/800, and B777-300/200.
  • Inspected and operationally tested aircraft navigation and communication systems to identify operational defects, ensure safety compliance, and verify proper functionality essential to the aircraft's autoflight control systems.
  • Performed routine maintenance—such as oiling, servicing, and lubricating—on aircraft systems and subsystem components to maintain safety, reliability, and airworthiness in accordance with aviation standards and manufacturer specifications.
  • Diagnosed and corrected system malfunctions using test equipment, schematics, and technical manuals; ensured all maintenance activities met FAA regulations and internal quality standards.
  • Documented maintenance actions, collaborated with engineering and flight operations teams, and supported continuous improvement in operational readiness and flight safety.

Education

Bachelor of Arts - Sociology And Social Anthropology

Addis Ababa University
Addis Ababa
07-2008

Associate of Science - Airframe Powerplant And Avionics

Ethiopian Airlines Aviation University
03-1997

Associate of Science - Electrical And Electronics Technology

Bahirdar University Faculty of Technology
Bahirdar
07-1994

Skills

  • Troubleshooting & Diagnostics – Skilled in diagnosing, isolating, and repairing faults in fare collection systems including gates, vending machines, and validators
  • On-Site Support & Response – Capable of responding quickly to equipment failures in the field, especially during peak hours
  • Leadership & Team Supervision – Proven ability to mentor, guide, and coordinate technicians during troubleshooting, maintenance, and emergency response tasks
  • Work Order & Shift Management – Experienced in planning, delegating, and overseeing maintenance tasks to ensure timely completion and system reliability
  • Technical Expertise in AFC Systems – Deep understanding of AFC hardware/software components, field diagnostics, and fare gate logic (eg, GCU, BCB, ECU)
  • Safety Compliance & Incident Reporting – Ensures all field activities adhere to WMATA safety policies; skilled in incident documentation and corrective follow-up
  • Time Management – Able to prioritize tasks and complete work orders within tight deadlines

Certification



  • Federal aviation administration A&P certificate
  • WMATA 5 years of service award certificate
  • Ethiopian airlines 15 years of service award certificate
  • Aircraft system training certificates (B777-200/300, B767-200/300, B757-200, B737-700/800/900)

Different certificates and licences

  • Federal aviation administration (FAA) A&P License
  • Aviation internal audit certificate
  • Ethiopian Civil Aviation Authority (ETCAA) Airframe Powerplant and Avionics License
  • Type ratings and engine Run ups certificates on B777-200/300, B767-200/300, B757-200, B737-700/800/900 aircraft

Timeline

AUTOMATIC FARE COLLECTION TECHNICIAN

Washington Metro Area Transit Authority
01.2018 - Current

Aircraft Maintenance Supervisor/Team Leader

Ethiopian Airlines
04.2012 - 12.2016

Aircraft Maintenance Technician/Quality Control Inspector

Ethiopian Airlines
03.1998 - 04.2012

Bachelor of Arts - Sociology And Social Anthropology

Addis Ababa University

Associate of Science - Airframe Powerplant And Avionics

Ethiopian Airlines Aviation University

Associate of Science - Electrical And Electronics Technology

Bahirdar University Faculty of Technology

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SAMUEL BANCHENO