Mark Lomtong
Hayward
Summary
Over 20 years of experience in quality assurance, field performance, and project planning within the aviation industry. Proven track record as a Maintenance Supervisor, effectively managing teams and optimizing maintenance operations to reduce downtime and enhance safety. Expertise in aircraft maintenance scheduling, equipment troubleshooting, and repair, with a strong focus on quality and efficiency. Seeking a challenging role in aircraft maintenance to leverage extensive skills and contribute to organizational success.
Overview
16
16
years of professional experience
1
1
Certification
Work History
Avionics Technician
United Airlines
San Francisco
10.2025 - Current
- Installed and tested avionics systems for aircraft compliance and safety.
- Diagnosed and repaired electronic systems using specialized tools and equipment.
- Conducted routine inspections and maintenance on aircraft navigation systems.
- Interpreted schematics to troubleshoot complex electrical issues effectively.
- Maintained accurate records of repairs and modifications on aircraft systems.
- Ensured adherence to FAA regulations during all avionics operations and repairs.
- Assisted other technicians in troubleshooting various aircraft electronic malfunctions.
- Performed functional tests on avionics systems to ensure proper performance.
- Troubleshot and resolved complex problems associated with aircraft electronic systems.
- Installed new avionics components in accordance with maintenance procedures.
- Diagnosed issues with avionics systems using technical manuals and schematics.
- Recorded maintenance performance in aircraft logbooks and completed other paperwork requirements.
- Monitored cockpit displays during ground tests and simulated flights to detect any anomalies in the system's performance.
- Completed in-depth visual and manual inspections of electrical components.
- Programmed software updates into onboard computers to enhance operational performance of aircraft systems.
- Updated databases containing information about installed components in order to maintain an accurate inventory record.
Maintenance Fleet Manager
Pacific Coast Jets
03.2025 - 06.2025
- Supervised performance, maintenance, and safety of aircraft fleet.
- Implemented preventive maintenance program, enhancing aircraft reliability and managing repair schedules.
- Collaborated with vendors and managers to synchronize maintenance activities with production schedules.
- Ensured continued airworthiness of aircraft operated by Pacific Coast Jets across various locations.
- Monitored compliance with FAR Part 91, 135, and 145 maintenance tracking during inspections.
- Coordinated with outside vendors for scheduling inspections, evaluating costs, and processing invoices.
- Coordinated maintenance schedules to ensure aircraft readiness and compliance.
- Trained staff on best practices in fleet management and safety procedures.
- Developed reports on fleet performance and maintenance activities for management review.
- Managed daily operations of the fleet department including staffing, scheduling and performance management.
Maintenance Manager / Dassault Falcon 900 EX Easy
Jet Aviation
06.2023 - 10.2024
- Supervised performance, preventive maintenance, and safety of Aircraft and Equipment .
- Optimized spare parts inventory management by identifying critical items and setting appropriate stock levels based on usage patterns.
- Improved aircraft reliability by implementing a preventive maintenance program and managing repair schedules.
- Collaborated with other aircraft vendors and managers to coordinate maintenance activities around production schedules, minimizing operational interruptions.
- Assure the continued airworthiness of aircraft operated by Jet Aviation at the San Jose location.
- Ensures Far Part 91 and 135 Maintenance Tracking programs are followed during inspections and aircraft repairs.
- Work directly with outside vendors for inspection scheduling, cost evaluation, and invoicing.
- Managed maintenance schedules for aircraft and facilities to ensure operational readiness.
- Coordinated with vendors for parts procurement and service contracts effectively.
- Evaluated maintenance processes to enhance efficiency and reduce costs regularly.
- Maintained records of repairs, service requests, costs.
- Coordinated with vendors to purchase replacement parts as needed.
- Performed troubleshooting on malfunctioning systems when necessary.
- Provided technical support in case of system malfunctions or breakdowns.
Gulfstream GIV / G650 DOM
Clay Lacy Aviation
07.2019 - 03.2022
- Assures the continued airworthiness of aircraft operated and managed by Clay Lacy Aviation at the San Jose location.
- Ensures that FAR Part 135 and Part 91 maintenance tracking programs are followed during the inspection and repairs of aircraft.
- Work directly with outside vendors for inspection scheduling, cost evaluation, and invoicing.
- Help support East Coast Flight Dept.
- With GIV and G650
- Maintain GIV and G650 maintenance for West Coast Flight Department at Atlantic Aviation home base.
- Completed day-to-day duties accurately and efficiently.
- Prioritized and organized tasks to efficiently accomplish service goals.
- Provided excellent service and attention to customers when face-to-face or through phone conversations.
- Collaborated closely with team members to achieve project objectives and meet deadlines.
- Maintained updated knowledge through continuing education and advanced training.
- Provided support and guidance to colleagues to maintain a collaborative work environment.
- Utilized advanced technical skills and expertise to troubleshoot complex problems and implement solutions.
- Utilized various software and tools to streamline processes and optimize performance.
Aircraft Maintenance Manager / Lead Inspector
TWC Aviation Inc
01.2014 - 07.2019
- Assures the continued airworthiness of aircraft operated and managed by TWC, Inc.
- Based at various San Francisco Bay Area locations.
- Ensures that Part FAR 135 and Part 91 maintenance tracking programs are followed during the inspection and repairs of aircraft.
- Maintained and monitored Gulfstream G150, GIV, G550, Bombardier Global Express BD700, Challenger 300 and 604, Dassault Falcon 2000, 900, 7X, Citation CJ3, and Piaggio P180.
- Work directly with outside vendors for inspection scheduling, cost evaluation, and invoicing.
- Responsible for work order administration and review for aircraft maintenance and technicians.
- Established Mobile Aircraft Maintenance for Gama Engineering Dept. at San Jose Airport.
- Performed routine inspections on aircraft systems and components.
- Diagnosed mechanical issues using advanced troubleshooting techniques.
- Conducted repairs on airframe structures and systems per FAA regulations.
- Collaborated with team members to ensure timely maintenance completion.
- Maintained accurate records of maintenance activities and repairs performed.
- Utilized specialized tools and equipment for aircraft servicing tasks.
- Ensured compliance with safety protocols during maintenance operations.
- Tested electrical systems, hydraulic systems, and other aircraft components for proper functioning.
- Inspected aircraft components to detect any signs of wear or malfunctioning.
- Completed scheduled and unscheduled safety and performance assessments.
- Performed troubleshooting procedures to find root causes of faults.
- Performed maintenance services such as lubricating components.
- Performed routine maintenance tasks on aircraft, such as cleaning, lubricating, and replacing parts.
- Researched, read and interpreted technical manuals and guidelines before inspections, installations and repairs.
- Requested aviation parts and supplies before scheduled repairs to meet inventory needs.
- Followed detailed instructions while conducting complex repairs on the aircraft.
- Applied corrosion preventive treatments during regular maintenance checks.
- Utilized drawings and schematics to install, remove and modify aircraft structures, systems and components.
- Checked serviceability of brakes, tires, and other landing gear components prior to takeoff.
- Diagnosed problems related to avionics systems such as autopilot control units and navigation computers.
- Planned work procedures using charts, technical manuals and experience.
- Reviewed work orders and discussed with supervisors.
Shift Supervisor /Aircraft Maintenance Manager /Lead Inspector
ATCA / Lufthansa Flight training Center
06.2010 - 11.2013
- Maintenance and repair of Flight School aircraft DA-40, DA-42, and Cirrus SR22.
- Deferral, troubleshooting, and routine inspection compliance.
- Maintains and inspects authorization for sign-off of critical repair practices and modifications.
- Maintained German aircraft flight trainers, Grobe G 120TP, for the German Air Force flight training.
- Supervised daily operations and ensured adherence to safety protocols.
- Trained and mentored team members in job responsibilities and best practices.
- Coordinated staff schedules to optimize workflow and coverage during shifts.
- Resolved employee conflicts and maintained a positive work environment.
- Monitored performance metrics to ensure team met operational goals consistently.
- Assisted in hiring processes by interviewing candidates and onboarding new staff.
- Provided on-the-job training to new staff members.
- Assigned tasks to team members based on their strengths and skill sets.
- Monitored staff performance to ensure quality standards were met.
- Ensured all safety and sanitation regulations were met throughout the shift.
- Assisted upper management with daily operations to meet standards of service and quality.
- Served as a role model for other employees by demonstrating professional behavior at all times.
- Collaborated with team members to improve performance and implement training updates.
- Trained new employees on company policies and procedures.
- Coordinated with other shift leaders and management to ensure smooth transitions between shifts.
- Ensured compliance with health and safety regulations to provide a safe workplace.
- Maintained cleanliness and organization of the work area to uphold company standards.
- Recommended opportunities for growth and advancement to motivate employees.
Education
Airframe and Powerplant License - Aeronautics
SIERRA ACADAMY OF AERONAUTICS
Oakland, CA08.2000
Skills
- Aircraft components and maintenance knowledge
- System diagnostics
- Electrical troubleshooting
- Compliance management
- Aircraft inspections
- Preventive maintenance
- Record keeping
- Parts procurement
- Vendor collaboration
- Time management
- Safety procedures
- Component replacement
- Routine maintenance
- System troubleshooting
- Failure tracing
- Scheduled maintenance
- [Software program] proficiency
- Schematic reading
- Troubleshooting skills
- Root-cause analysis
- Aircraft systems
- Theory and operation of aircraft
- Hydraulic and pneumatic systems expertise
- FAA regulations compliance
- General aviation experience
- Aircraft inspections and preventive maintenance
- Troubleshooting and repair skills
- Vendor coordination and cost evaluation
- Fleet management and optimization strategies
- Safety management and scheduling
- Wiring diagrams
- Time management abilities
- Attention to detail
- Problem-solving abilities
- Troubleshooting
- Aircraft electrical systems
Accomplishments
- Supervised team of 10 staff members.
Certification
- Airframe and Powerplant License
- Gulfstream GIV {RRD TAY} Maintenance Initial Training Course - CAE Dallas West, TX
- Gulfstream G650ER Maintenance Initial Training Course - Flight Safety International, Savannah, GA
- Dassault Falcon 900 EX Easy Maintenance Initial Training Course- Flight Safety International , Fort Worth , TX
References
- Rick Lares, DOM / Lead Tech TWC Aviation Inc, Gama Aviation Charter, (408) 446-8583, jetmechrick@yahoo.com, Best Friend
- Lulio Gadot, Chief Pilot / Flight Operations, Clay Lacy Aviation, (650) 576-2934, LGagot@claylacy.com, Ex Boss And Good Friend
- Beth Eckstein, CAD / MGT with Jet Aviation, b.eckstein@jetaviation.com, 1 (310) 903-1289
Timeline
Avionics Technician
United Airlines
10.2025 - Current
Maintenance Fleet Manager
Pacific Coast Jets
03.2025 - 06.2025
Maintenance Manager / Dassault Falcon 900 EX Easy
Jet Aviation
06.2023 - 10.2024
Gulfstream GIV / G650 DOM
Clay Lacy Aviation
07.2019 - 03.2022
Aircraft Maintenance Manager / Lead Inspector
TWC Aviation Inc
01.2014 - 07.2019
Shift Supervisor /Aircraft Maintenance Manager /Lead Inspector
ATCA / Lufthansa Flight training Center
06.2010 - 11.2013
Airframe and Powerplant License - Aeronautics
SIERRA ACADAMY OF AERONAUTICS