David C. Nairn, Maintenance Worker
Dover, 302-***-****, ***********@*****.***,
SUMMARY Dedicated and experienced Maintenance Technician with over 30 years in the field, specializing in comprehensive residential and commercial property upkeep. Proven ability to diagnose and repair complex HVAC, electrical, and plumbing systems, alongside general maintenance, appliance repair, and carpentry. Skilled in preventative maintenance, work order management, and leading junior technicians. Eager to leverage extensive troubleshooting expertise and commitment to quality workmanship to enhance property value and resident satisfaction at Ocean State Job Lot.
WORK EXPERIENCE
Maintenance Technician III
Hunt Military Communities
2026 – Present Dover Air Force Base
Diagnose, troubleshoot, maintain, and repair residential rental units across multiple building systems.
Execute advanced HVAC, electrical, and plumbing repairs, alongside general maintenance tasks.
Prepare residential units for new occupants through comprehensive inspections, necessary repairs, and proactive preventative maintenance. Resolve intricate maintenance challenges, ensuring the delivery of high- quality workmanship and fostering resident satisfaction. Provide technical guidance and support to junior maintenance technicians. Lead HVAC Technician
State of Delaware – Caesar Rodney School District
2020 – 02/2026 Camden, Wyoming, Delaware
Spearheaded HVAC and plumbing maintenance operations across 14 educational facilities.
Conducted scheduled preventive maintenance and responded promptly to emergency service calls.
Analyzed and rectified complex HVAC equipment and building system malfunctions.
Orchestrated repair efforts and contributed to the mentorship of fellow technicians.
Senior HVAC Technician
Service Today
2018 – 2020 Federalsburg, Maryland
Managed and resolved complex service calls requiring advanced diagnostic capabilities.
Provided support and training to junior technicians, enhancing team skill levels.
Executed HVAC services, installations, and electrical troubleshooting tasks. Completed an average of 1,000 service calls annually, achieving a low callback rate.
HVAC Technician
Stiles
2015 – 2018 Athens, Georgia
Maintained HVAC systems within both residential and commercial properties.
Serviced a variety of equipment including rooftop units, split systems, boilers, and heat pumps.
Performed emergency repairs and executed preventative maintenance schedules.
Senior HVAC Technician
Service Today
2010 – 2015 Federalsburg, Maryland
Specialized in diagnosing and repairing challenging HVAC issues. Assisted installation teams and mentored newly hired technicians. Cultivated strong customer relationships through reliable and professional service delivery.
Maintenance Supervisor
Morgan Properties
2009 – 2010 Dover, Delaware
Oversaw apartment maintenance operations and supervised maintenance staff.
Managed repair activities across HVAC, plumbing, electrical, appliance, drywall, and carpentry domains.
Coordinated with external contractors and managed inventory levels effectively.
Maintenance Technician
Various Employers
1987 – 2009 Dover, Delaware
Contributed expertise to Kent Mechanical, Carl King, Pinnacle, Dover AFB Housing, Andrews AFB Housing, McGee Plumbing & Heating, and Enco A/C
& Heating.
Installed, repaired, and maintained residential and commercial HVAC systems.
Fabricated ductwork, performed refrigeration tasks, and executed electrical, plumbing, and preventative maintenance.
EDUCATION
Lincoln Technical Institute
Diploma, Air Conditioning, Refrigeration & Heating 1980 – 1980 Central Avenue Washington DC
Achieved High Honors.
SKILLS Commercial & Residential HVAC Preventative Maintenance HVAC Diagnostics & Repair Electrical Troubleshooting Plumbing Repair Refrigeration Systems
Gas, Oil & Electric Boilers Heat Pumps & Air Conditioning Sheet Metal & Ductwork Blueprint Interpretation
Work Order Management Team Leadership
Customer Service Appliance Repair
Carpentry Maintenance Equipment Operation
Lawn Care Snow Removal
Health and Safety Compliance Independence
Communication Physical Stamina
Lifting Valid Driver's License
EPA Refrigerant Recovery Certification (Types I, II & III) Ferris State University
CERTIFICATES
Refrigerant Recovery Certification Preparation
Kent Vo-Tech
Advanced & Basic Heat Pump Training
Gas Furnace Diagnostics Training
Maryland HVAC Apprentice License