Regenio John Dumalina
Automotive Mechanic
Diffun, Province of Quirino
Summary
Dynamic Chief Mechanic with a proven track record at RJ AUTO CARE CENTER, enhancing team efficiency and reducing equipment downtime through innovative preventative maintenance programs. Skilled in diagnostics and troubleshooting, I foster strong vendor relations while promoting a culture of teamwork and continuous learning, achieving significant sales growth through strategic initiatives.
Experienced with diagnosing and resolving mechanical issues efficiently. Utilizes advanced troubleshooting techniques and team coordination to maintain machinery. Track record of ensuring high safety standards and operational reliability.
Knowledgeable MECHANIC with solid background in overseeing mechanical operations and maintenance. Successfully led teams in complex repair projects, ensuring optimal performance and safety standards. Demonstrated proficiency in problem-solving and resource management.
Head Mechanic with proven skills in diagnosing and correcting malfunctions in all vehicle systems. Excellent record of completing repairs, installations and refurbishments quickly and within estimated costs. Good recordkeeping, training and project management skills.
Highly skilled automotive professional with deep commitment to quality and efficiency. Extensive hands-on experience in diagnosing and repairing wide range of vehicle issues, consistently delivering reliable results. Known for strong collaboration with team members and adaptability to evolving work demands, bringing technical proficiency and leadership to every project.
Overview
10
10
years of professional experience
Work History
Chief Mechanic
RJ AUTO CARE CENTER
01.2025 - 08.2025
- Improved overall team efficiency by implementing streamlined maintenance schedules and procedures.
- Served as a trusted advisor to senior leadership on matters related to mechanical operations and maintenance strategies.
- Led the development of a comprehensive preventative maintenance program, resulting in reduced equipment downtime.
- Enhanced employee safety by conducting thorough inspections and addressing potential hazards proactively.
- Streamlined inventory management for essential parts, minimizing delays during time-sensitive repairs.
- Wrote work orders and updated accounts in workshop computer.
- Arranged for customer billing by determining charges for services requested and collecting deposits or payments.
- Surpassed monthly sales goals through innovative sales techniques.
- Determined schedules and assignments of work activities for [Number]-member team, considering work priority, availability of equipment and skill of personnel.
- Utilized [Software] to complete estimates for materials, labor and service costs.
- Checked brake systems and determined need of pad replacement, disc turning or other maintenance requirements.
- Repaired brake, exhaust, electrical and other systems for domestic automotive brands.
- Explained maintenance and repair needs to customers and offered advice on preventative maintenance.
- Investigated customer complaints to identify cause of malfunctions.
- Inspected damaged vehicles to estimate repair labor cost and required parts expense.
- Corrected faults and maximized performance by rebuilding systems and individual components.
- Serviced air conditioning systems, changed and topped off fluids and completed maintenance inspections.
- Coordinated with parts department to determine availability of necessary components.
- Read and followed technical documentation to complete accurate repairs.
- Tore down, repaired and rebuilt faulty assemblies such as power systems, steering systems and linkages.
- Tuned automotive systems and components to optimize functionality and prolong life of each piece.
- Utilized special alignment equipment and wheel-balancing machines to align wheels, axles, frames and steering mechanisms of automobiles.
- Delegated and supervised vehicle bodywork to body team for restoration and remediation.
- Performed emissions tests according to standard procedures.
- Maintained awareness of vehicle market trends to assess customer demands and budgets.
- Implemented tracking systems to monitor parts inventory and transactions to reduce discrepancies.
- Retained accurate records of purchases, titles and sales.
- Provided expert guidance to junior mechanics, fostering a culture of continuous learning and professional growth.
- Oversaw the successful completion of numerous high-priority projects while adhering to strict deadlines.
- Cultivated strong relationships with suppliers ensuring timely delivery of necessary parts.
- Maximized equipment reliability with regular performance evaluations and adjustments as needed.
- Established rigorous quality control standards that greatly diminished instances of rework or unscheduled maintenance.
- Repaired and replaced worn and damaged components.
- Completed diversified electrical work on automotive equipment such as servicing and installing batteries and terminals, repairing and adjusting lights and repairing generators and starters.
- Troubleshot and diagnosed faults with vehicle systems and components using OEM-specific code readers, diagnostic trees, and online knowledge bases.
- Diagnosed mechanical failures to determine and delegate corrective actions.
- Maintained cleanliness, safety and efficiency of garage.
- Performed routine and scheduled maintenance services.
Chief Mechanic
Cbros Construction
01.2024 - 03.2025
- Identified opportunities for process improvements that led to significant reductions in repair turnaround times.
- Promoted workplace safety by examining tools and equipment and providing employee safety training to prevent unsafe conditions.
- Created [Number] planned and corrective maintenance work packages for troubleshooting, repair and testing of [Type] systems using [Software] and [Software].
- Requisitioned materials and supplies such as tools, equipment and replacement parts.
- Analyzed vehicle data using advanced diagnostic equipment.
- Explained estimates and determined repair timelines to manage customer expectations.
- Improved overall team efficiency by implementing streamlined maintenance schedules and procedures.
- Led the development of a comprehensive preventative maintenance program, resulting in reduced equipment downtime.
- Enhanced employee safety by conducting thorough inspections and addressing potential hazards proactively.
- Wrote work orders and updated accounts in workshop computer.
- Arranged for customer billing by determining charges for services requested and collecting deposits or payments.
- Surpassed monthly sales goals through innovative sales techniques.
- Utilized [Software] to complete estimates for materials, labor and service costs.
- Determined schedules and assignments of work activities for [Number]-member team, considering work priority, availability of equipment and skill of personnel.
- Repaired brake, exhaust, electrical and other systems for domestic automotive brands.
- Explained maintenance and repair needs to customers and offered advice on preventative maintenance.
- Corrected faults and maximized performance by rebuilding systems and individual components.
- Serviced air conditioning systems, changed and topped off fluids and completed maintenance inspections.
- Coordinated with parts department to determine availability of necessary components.
- Read and followed technical documentation to complete accurate repairs.
- Tuned automotive systems and components to optimize functionality and prolong life of each piece.
- Utilized special alignment equipment and wheel-balancing machines to align wheels, axles, frames and steering mechanisms of automobiles.
- Maintained awareness of vehicle market trends to assess customer demands and budgets.
- Reduced operating costs through strategic vendor negotiations, securing favorable terms for parts and service contracts.
- Troubleshot and diagnosed faults with vehicle systems and components using OEM-specific code readers, diagnostic trees, and online knowledge bases.
- Completed diversified electrical work on automotive equipment such as servicing and installing batteries and terminals, repairing and adjusting lights and repairing generators and starters.
- Repaired and replaced worn and damaged components.
Chief Mechanic
Cbros Construction
03.2017 - 01.2020
- Provided expert guidance to junior mechanics, fostering a culture of continuous learning and professional growth.
- Oversaw the successful completion of numerous high-priority projects while adhering to strict deadlines.
- Cultivated strong relationships with suppliers ensuring timely delivery of necessary parts.
- Maximized equipment reliability with regular performance evaluations and adjustments as needed.
- Established rigorous quality control standards that greatly diminished instances of rework or unscheduled maintenance.
- Collaborated with other departments to ensure seamless integration of new equipment into existing systems.
- Mentored junior staff members on troubleshooting techniques leading to faster resolution times and increased job satisfaction.
- Managed the recruitment, training, and development of top-performing mechanic teams.
- Streamlined communication between shifts for improved continuity of care across all teams in the department.
- Championed advanced diagnostic techniques to quickly identify and resolve complex mechanical issues.
- Reduced operating costs through strategic vendor negotiations, securing favorable terms for parts and service contracts.
- Promoted a positive work environment by consistently demonstrating professionalism, integrity, and respect for all team members.
- Maintained an up-to-date knowledge of industry advancements, incorporating best practices into daily operations whenever possible.
- Developed detailed repair plans for each project, ensuring efficient use of resources and timely completion.
- Performed routine and scheduled maintenance services.
- Diagnosed mechanical failures to determine and delegate corrective actions.
- Maintained cleanliness, safety and efficiency of garage.
- Troubleshot and diagnosed faults with vehicle systems and components using OEM-specific code readers, diagnostic trees, and online knowledge bases.
- Completed diversified electrical work on automotive equipment such as servicing and installing batteries and terminals, repairing and adjusting lights and repairing generators and starters.
- Trained and coached junior employees on procedures for completing various types of repairs and maintenance on cars and light trucks.
- Delegated jobs to subordinates and monitored quality of work.
- Developed strategies to improve sales and retention of customers, boosting sales [Number]%.
- Improved fuel efficiency [Number]% by using diagnostics to analyze and troubleshoot auto transmission and engine sensor failures.
- Repaired and replaced worn and damaged components.
Motorcycle Mechanic
JDL MOTORSHOP
02.2016 - 02.2018
- Repaired or modified motorcycle frame, enhancing durability, and structural integrity.
- Enhanced customer satisfaction by providing timely and efficient motorcycle repairs and maintenance.
- Ensured a safe working environment by following industry safety standards and maintaining clean workspaces.
- Maintained up-to-date knowledge of motorcycle technology advancements through continued education opportunities and professional development courses.
- Diagnosed complex mechanical issues with accuracy, reducing the need for additional troubleshooting time.
- Performed brake repairs and servicing for effective and safe braking.
- Dismantled and rebuilt engines to diagnose and repair problems.
- Exhibited strong attention to detail in all aspects of repair work, preventing errors that could lead to costly rework or unsafe riding conditions.
- Performed maintenance on different categories and brands of motorcycles.
- Operated diagnostic equipment to better educate customers on problems with their vehicles.
- Maximized productivity by effectively prioritizing jobs based on complexity, required resources, and timeline constraints.
- Demonstrated expertise in various motorcycle brands, expanding the company''s reach to a diverse clientele base.
- Fabricated parts and components for repairs to motorcycle frame adding support and durability.
- Streamlined repair processes through effective communication with team members and proper documentation of work orders.
- Performed routine maintenance tasks for optimal motorcycle performance and longevity.
- Diagnosed and repaired electrical assemblies such as headlights, tail lights, starters and signal lights in accordance with DOT laws.
- Disassembled subassembly units checking alignment, freedom of movement and corrosion control.
- Cleaned, sanded, repaired and replaced engine parts before reassembly.
- Led informative workshops for local motorcycle enthusiasts on topics such as basic maintenance, riding safety, and seasonal care tips.
Education
High School Diploma -
04.2001 -
- Degree Awarded with [Honors]
- [Internship Name], [Organization Name], Completed [Year]
- [Project Name], [Project Results Statement] - Research Project
Skills
Machinery installation
Diagnostic
Computer-aided design
Electrical systems
Mechanical expertise
Engine repair
Preventive maintenance procedures
Preventative maintenance
Fabrication techniques
Brake systems
Suspension systems
Electrical troubleshooting
Installing equipment
Maintaining records
Welding
Customer relations
Vehicle inspections
Calibrating instruments
Fuel systems
Vendor relations
Service scheduling
Parts management
Troubleshooting and Diagnostics
Heavy-duty vehicle repair
AC repair
Warranty procedures
Transmission repair
Teamwork
Replacing parts
Hardworking and dedicated
Maintenance and repairs
Inspecting vehicles
Teamwork and collaboration
Parts replacement
Problem-solving
Calibration
Engine tuning and analysis
Problem-solving abilities
Willing to learn
Multitasking
Diagnostics and troubleshooting
Automotive diagnostics
Timeline
Chief Mechanic - RJ AUTO CARE CENTER
01.2025 - 08.2025
Chief Mechanic - Cbros Construction
01.2024 - 03.2025
Chief Mechanic - Cbros Construction
03.2017 - 01.2020
Motorcycle Mechanic - JDL MOTORSHOP
02.2016 - 02.2018
QUIRINO GENERAL HIGH SCHOOL - High School Diploma,
04.2001 -