German Alonso

Aircraft Mechanic/Avionics Technician

Porto Metropolitan Area

About

Experienced and detail-oriented aircraft mechanic with over a decade of expertise in aviation maintenance, specializing in heavy checks, electrical modifications, avionics troubleshooting, and safety compliance. Adept at diagnosing and resolving complex technical issues to ensure optimal performance and reliability of aircraft systems. Skilled in implementing electrical upgrades and modifications while adhering to strict safety standards and regulations. ANAC Brazil Certification Nº190971 - GMP/CEL/AVI.

Experience

  • Line Aircraft Mechanic at Ryanair - Europe's Favourite Airline
    Feb 2026 - Present · 5 mos

  • Aircraft Mechanic/Avionics Technician at United Airlines
    Aug 2024 - Jan 2026 · 1 yr 6 mos

    > Conduct heavy maintenance checks on Boeing wide-body fleet B767-300/400 with a focus on avionics systems. > Perform landing gear removal, inspection, and reinstallation following OEM and regulatory standards. > Troubleshoot and repair complex avionics issues including navigation, communication, and flight control systems. > Support aircraft wiring modifications, system upgrades, and post-maintenance functional checks. > Collaborate with multidisciplinary maintenance teams to ensure timely aircraft turnaround.

  • LATAM Airlines (Full-time · 5 yrs 10 mos)
    • Aircraft Mechanic/Avionics Technician
      Feb 2021 - Aug 2024 · 3 yrs 7 mos

      > Leadership staff support (lead mechanic). > Lead avionics inspections and repairs during heavy checks on Boeing 777 and Airbus A320 aircraft. > Performed landing gear replacements, engine removals and installations on models (Airbus A320F V2500/CFM-56/PW1100 and Boeing 777-300ER GE90-115) with strict adherence to OEM and regulatory procedures. > Conducted RVSM tasks ensuring precision tolerances and system integrity. > Managed CDCCL inspections to maintain aircraft configuration compliance. > Collaborated with multi-disciplinary teams to deliver projects on time and to the highest safety standards. > Supported avionics system upgrades, fault isolation, and rectification. > Support to flight crew in post-check flight test

    • Avionics Technician
      Nov 2018 - Feb 2021 · 2 yrs 4 mos

      > Executed high-density cabin modification projects, including full LOPA (Layout of Passenger Accommodations) reconfigurations on A320F. > Led modifications of cabin systems such as galleys, lavatories, seating arrangements, and overhead bins to meet customer specifications on A320F. > Performed wiring modifications and rerouting of wire bundles to accommodate new cabin layouts and electrical loads on A320F. > Conducted comprehensive cabin functional tests and system verifications post-modification to ensure airworthiness and system integrity on A320F. > Collaborated with cross-functional teams including structures, systems, and interiors to ensure seamless integration of modifications. > Maintained strict adherence to safety protocols, regulatory compliance, and project timelines.

  • Avionics Technician at TAP Maintenance & Engineering - Brazil
    Jan 2014 - Nov 2018 · 4 yrs 11 mos

    > Assisted in performing heavy checks (C-checks/D-checks) on Boeing, Airbus and Embraer aircraft across multiple models, including Airbus A310, A320 and A330 / Embraer E175, E195 / Boeing B767 and B777. > Supported troubleshooting and repair of avionics systems including communication, navigation, autopilot, flight management, and electrical power systems. > Perform wiring modifications, rerouting and repairs of wire bundles. > Conducted inspection and testing of avionics components following regulatory and manufacturer standards. > Collaborated with multidisciplinary teams to ensure timely completion of maintenance tasks and aircraft release schedules. > Maintained accurate documentation of all performed tasks in compliance with aviation regulations and internal procedures.

  • Internship Trainee at Ultra-Rev Repr.E Rev.De Aeronaves E Motores Ltda
    Apr 2013 - Sep 2013 · 6 mos

    > Assisted in the maintenance, inspection, and repair of helicopters, including scheduled and unscheduled maintenance tasks. > Participated in routine inspections, including pre-flight, post-flight, and periodic maintenance checks to ensure airworthiness. > Gained hands-on experience in component removal, installation, and functional testing of systems such as main and tail rotors, hydraulic systems, and flight control mechanisms. > Worked collaboratively with cross-functional teams to support efficient aircraft turnaround times and operational readiness.