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
600 MARYLAND AVENUE SW DC
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
Addis Ababa, Ethiopia
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
Addis Ababa, Ethiopia
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 Ababa07-2008
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
Bahirdar07-1994
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