SINTAYEHU WOLLE
Alexandria,VA
Summary
Highly skilled aircraft mechanic with 16 years of progressive experience at Ethiopian Airlines, specializing in aircraft maintenance, inspection, and repair, as well as managing aviation maintenance operations. Proven track record of ensuring compliance with FAA and international safety standards while optimizing maintenance workflows to enhance operational efficiency. Recognized for technical expertise, meticulous attention to detail. Currently employed at AvDyne Aero Services at Ronald Reagan Airport (DCA) Washington.
Overview
14
14
years of professional experience
1
1
Certification
Work History
Aircraft Technician, Full Time
Avdyne Aeroservices
08.2025 - Current
- Perform pre‑flight, 5-day checks, and service checks and check for obvious defects on CRJ‑700/900 aircraft in line and in the hangar.
- Troubleshooting in response to pilot reports or ground crew reports.
- Repairing components that are removed in line and in the hangar.
- Perform deferral of non‑critical items per MEL/CDL on CRJ‑700/900 aircraft.
- Perform structural inspections, like checking for corrosion, cracks, fastener condition, and skin bonding.
- Perform systems checks like hydraulics, landing gear, flight controls, environmental control system, bleed air, etc.
- Diagnosing fault indications and writing up discrepancies and performing corrective actions per technical manuals (AMM, IPC, SRM & FIM) to find parts, proper specifications, and defect rectification on CRJ‑700/900 aircraft.
- Removing or installing components such as engines, auxiliary power units, control surfaces, avionics boxes, and panels on CRJ‑700/900 aircraft.
- Completing logbooks and maintenance records per FAA/EASA/company policy.
- Ensuring all work is done per maintenance manuals/service bulletins/airworthiness directives.
- Ensuring all safety and regulatory compliance.
TECHNCAL MANAGER II
Ethiopian Airlines
02.2023 - 11.2024
- Provided supervision and administration of line/dispatch maintenance activities on the ramp and at terminal on Ethiopian aircraft, as per standard setup and airworthy configuration.
- Prepared correct estimation of parts and man-hour to accomplish tasks.
- Exercise sound judgement in the area of cost control and assure the material and man power is effectively utilized.
- Enforced safety regulations and submit recommendations on new regulations.
- Performed rectification of non-routines and pilot write-ups.
- Utilized strong analytical and problem-solving skills to address operational issues.
- Reduced workplace safety or health hazards by enforcing work practices and procedures.
- Collaborated with staff to develop and carry out processes.
AIRCRAFT MAINTENANCE TEAM LEADER
Ethiopian Airlines
04.2017 - 01.2023
- Supervised and coordinated the maintenance, overhaul, and repair of aircraft.
- Worked as a project manager to supervise all team leaders and other subordinates assigned in the project. And will be responsible in Monitoring scope changes, Sequencing tasks, Resource allocation, Scheduling, Time Estimation, performance evaluation of project members, control, and evaluation of project performance and preparing post mortem of the project execution.
- Coordinated the work of assigned crew or section with that of other sections.
- Ensured Aircraft is maintained within established safe level of turnaround time and completion of assigned maintenance work within the standard man-hour for both Ethiopian and customer Aircraft.
- Prepare estimates of time and materials required for assigned Aircraft maintenance work, maintains record and prepare report.
- Ensured that all maintenance performed on all Aircraft time and all applicable data is properly entered.
- Supervised and troubleshoot to determine parts required to achieve the maintenance.
- Maintained hangar operations in full compliance with EASA, FAA, and ETCAA regulations, while ensuring the work area remained clean, organized, and safe at all times."M
- Monitored job performance of team members and provided feedback on areas of improvement.
- Inspected tools and equipment regularly for proper functioning and safety hazards prior to use.
- Provided guidance and support to subordinates while maintaining a positive working environment.
- Collaborated with engineering staff on projects related to new installations or upgrades of existing systems.
- Implemented corrective action plans when necessary in order to address any deficiencies identified during inspections.
- Verified that all required documentation was accurately completed by team members prior to submission, ensuring compliance and quality standards were met.
LEAD AIRCRAFT TECHNICIAN (SECONDMENT POSITION)
Ceiba Airlines
05.2015 - 02.2017
- Prepared estimates of time and materials required for assigned Aircraft maintenance work, maintains record and prepare report.
- Ensured that all maintenance performed on all Aircraft time and all applicable data is properly entered.
- Supervised and troubleshoot to determine parts required to achieve the maintenance.
Lead Aircraft Maintenance Technician
Ethiopian Airlines
10.2013 - 05.2015
- Supervise and coordinate the maintenance, overhaul, and repair of aircraft.
- Worked as a project manager to supervise all team leaders and other subordinates assigned in the project. And will be responsible in Monitoring scope changes, Sequencing tasks, Resource allocation, Scheduling, Time Estimation, performance evaluation of project members, control, and evaluation of project performance and preparing post mortem of the project execution.
- Coordinate the work of assigned crew or section with that of other sections.
- Ensure Aircraft is maintained within established safe level of turnaround time and completion of assigned maintenance work within the standard man-hour for both Ethiopian and customer Aircraft.
- Prepare estimates of time and materials required for assigned Aircraft maintenance work, maintains record and prepare report.
- Ensure that all maintenance performed on all Aircraft time and all applicable data is properly entered.
- Supervise and troubleshoot to determine parts required to achieve the maintenance.
- Ensures that the hangar work practice complies to the EASA, FAA and ETCAA requirements and work area is kept clean, safe and in order.
- Monitored job performance of team members and provided feedback on areas of improvement.
- Inspected tools and equipment regularly for proper functioning and safety hazards prior to use.
- Provided guidance and support to subordinates while maintaining a positive working environment.
- Collaborated with engineering staff on projects related to new installations or upgrades of existing systems.
- Implemented corrective action plans when necessary in order to address any deficiencies identified during inspections.
- Ensured that all required documentation was completed accurately by the team members before submission.
SENIOR AIRCRAFT TECHNICIAN I
Ethiopian Airlines
12.2012 - 10.2013
- Performed Removal/Installation of all A/C system components, Engines, APU, flight Controls, Landing Gear.
- Performed rectifications of non-routine & pilot write-ups.
- Performed operational, functional and system checks.
- Performed electrical and Avionics system modifications.
- Signed release A/c to service after performing maintenance tasks when rated for the particular A/C.
- Performed major rigging, adjustments and calibration tasks.
- Performed coach activities whenever assigned.
AIRCRAFT TECHNICIAN
Ethiopian Airlines
09.2011 - 10.2012
- Operated removal/installation of major A/C system components, flight deck operation, hydraulic and electrical power operation, operational & minor functional checks, minor troubleshooting.
JUNIOR. AIRCRAFT TECHNICIAN
Ethiopian Airlines
09.2011 - 10.2012
- Performed Operational Checks, removal/installation of A/c system components, A/c cabin items, internal and external accesses and servicing of engine oil, hydraulic, fuel and air systems; Assists on minor modifications, minor operational checks and major A/c parts replacement.
Education
B.A. - Business Administration
ADAMA UNIVERSITY
Adama, Ethiopia08.2018
Diploma - Aviation Maintenance Technician
ETHIOPIAN AIRLINES AVIATION ACADEMY
Addis Ababa, Ethiopia06.2009
Advanced Diploma - Mechanical Engineering
BAHIR DAR UNIVERSITY
Bahir Dar, Ethiopia12.2007
Skills
- Aircraft Maintenance, Troubleshooting & Repair
- Avionics system installation &Testing
- Aircraft systems, Aircraft disassembly
- Parts inspection
- Electrical & Mechanical system Diagnostics
- Project management, Team Leadership
Certification
- FAA Airframe & Powerplant ( A&P) Certificate number- 5196204
- Ethiopian CAA/ ICAOII License-Aircraft Technician License , Airframe, Powerplant and Avionics
Timeline
Aircraft Technician, Full Time
Avdyne Aeroservices
08.2025 - Current
TECHNCAL MANAGER II
Ethiopian Airlines
02.2023 - 11.2024
AIRCRAFT MAINTENANCE TEAM LEADER
Ethiopian Airlines
04.2017 - 01.2023
LEAD AIRCRAFT TECHNICIAN (SECONDMENT POSITION)
Ceiba Airlines
05.2015 - 02.2017
Lead Aircraft Maintenance Technician
Ethiopian Airlines
10.2013 - 05.2015
SENIOR AIRCRAFT TECHNICIAN I
Ethiopian Airlines
12.2012 - 10.2013
AIRCRAFT TECHNICIAN
Ethiopian Airlines
09.2011 - 10.2012
JUNIOR. AIRCRAFT TECHNICIAN
Ethiopian Airlines
09.2011 - 10.2012
B.A. - Business Administration
ADAMA UNIVERSITY
Diploma - Aviation Maintenance Technician
ETHIOPIAN AIRLINES AVIATION ACADEMY
Advanced Diploma - Mechanical Engineering
BAHIR DAR UNIVERSITY
AIRCRAFT TYPE RATINGS
- B737NG/CFM56-7B
- B757-200/PW2040
- B757-200/RB211-535E4
- B737 MAX
- B777-200/300/GE90