Aaron Geissinger
Salcha,AK
Summary
Skilled Maintenance Technician with proven strengths in refrigeration, electrical and HVAC troubleshooting, preventive maintenance, and safety compliance. Committed to optimizing system performance and training junior technicians for enhanced operational efficiency.
Overview
1
1
Certification
15
15
years of professional experience
Work History
Maintenance Technician
tkv construction & maintenance
Salt Lake City, Utah
02.2025 - Current
- Conducted routine inspections on equipment to ensure optimal operation.
- Performed maintenance on refrigeration, plumbing, electrical, and HVAC systems.
- Addressed maintenance requests from staff and management to ensure timely resolution of issues.
- Utilized hand and power tools effectively for various repair tasks.
- Followed safety protocols while executing maintenance duties on site.
- Recorded all maintenance activities performed to support operational tracking and accountability.
- Diagnosed mechanical issues through visual inspections and test instruments.
- Trained junior technicians on best practices for machine operation and repair.
- Performed maintenance tasks on refrigeration, plumbing, electrical, and HVAC systems.
- Installed and maintained refrigeration systems in commercial settings.
- Diagnosed issues with refrigeration equipment and performed necessary repairs.
- Conducted routine inspections to ensure optimal system performance.
- Assisted in the installation of new cooling units and components.
- Collaborated with team members to troubleshoot complex refrigeration problems.
- Utilized hand tools and diagnostic equipment for effective service delivery.
- Adhered to safety protocols while working on high-pressure systems.
- Performed troubleshooting and specific diagnostic tests to diagnose malfunctions.
- Documented maintenance activities and repairs for compliance records.
- Uncovered and corrected leaks with individual units and full refrigeration systems.
- Completed repairs, scheduled, and predictive maintenance on different equipment and systems.
- Read and understood schematics in order to work on specific models.
- Maintained and repaired electrical and pneumatic controls, HVAC equipment and systems and auxiliary equipment.
- Sustained safety protocol, ensuring proper, cost-effective and safe handling equipment and material usage while adhering to regulatory standards and building codes.
- Resolved customer issues related to malfunctioning refrigeration units.
- Cleaned condenser coils regularly to improve energy efficiency of the system.
- Repaired or replaced defective parts in refrigeration systems such as motors, compressors, condensers, evaporators and valves.
- Performed preventive maintenance on refrigeration systems, including lubricating parts and cleaning coils.
- Reprogrammed controllers when necessary to ensure correct operation.
- Troubleshot complex problems with commercial-grade chillers using diagnostic tools like thermometers, voltmeters and ammeters.
- Reconfigured existing equipment for improved efficiency and performance.
- Maintained records of service calls, repairs performed and parts used.
- Utilized specialized tools such as brazing torches, leak detectors and vacuum pumps during repairs.
- Interpreted schematics and diagrams to determine the most efficient repair solutions.
- Assessed customer needs and provided appropriate solutions in a timely manner.
- Installed new equipment according to manufacturer's instructions and safety standards.
- Adjusted system controls to regulate temperature settings for optimal operation.
- Fabricated components from sheet metal when needed for repair projects.
- Tested pipe, tubing joints, and connections for leaks.
- Completed basic repairs such as changing belts, servicing fans and motors and cleaning coils, strainers and filters to optimize equipment performance.
- Repaired and modified heating, ventilating and air conditioning (HVAC) systems to improve efficiency.
- Installed A/C units in new and existing buildings and assessed functionality of existing units.
- Mounted compressors, condensers and other components in specified locations using hand tools and various welding equipment.
- Cut and drilled holes in floors, walls and roofs to install equipment using power saws and drills.
driver, mechanic
rolling j's trucking
Lavaca, Arkansas
08.2023 - 10.2024
- Operated heavy-duty trucks across various routes, ensuring safety and efficiency.
- Conducted pre-trip and post-trip vehicle inspections to maintain safety compliance.
- Maintained accurate logs of driving hours and deliveries to comply with regulations.
- Communicated with dispatch to receive instructions and report any delays.
- Adhered to traffic laws and company policies throughout driving activities.
- Assisted in loading and unloading cargo, ensuring proper weight distribution.
- Delivered goods to clients on time while providing excellent customer service.
- Collaborated with team members to address logistical challenges effectively.
- Diagnosed mechanical issues in heavy trucks using specialized diagnostic tools.
- Conducted routine maintenance on various truck models to ensure optimal performance.
- Repaired and replaced defective parts, including brakes, engines, and transmissions.
- Assisted in managing inventory of tools and parts for efficient workshop operations.
- Diagnosed mechanical problems using computerized diagnostic equipment.
- Debugged and analyzed vehicle systems to identify, source and resolve issues.
- Repaired electrical wiring harness, starting and charging systems.
- Examined vehicle frames to identify any structural damage or defects.
- Maintained accurate records of work performed on each vehicle in the shop database system.
- Installed new engines, brakes and other related components into heavy trucks.
- Identified worn or damaged parts that needed replacement or repair.
- Operated hoists, lifts, jacks, wrenches, grinders and other tools to perform repairs.
- Ordered necessary parts from suppliers when required for repairs.
- Communicated effectively with customers regarding service needs and repairs performed.
- Cleaned engine blocks using degreasers and pressure washers.
- Adjusted functional parts of components as necessary for optimal performance.
- Dismantled and reassembled complex assemblies including engines, transmissions, differentials.
- Inspected vehicles for compliance with safety regulations and customer specifications.
- Analyzed test results to diagnose malfunctions in various truck systems.
- Assessed equipment to determine cause of issue or malfunction and identified appropriate repairs.
- Disassembled equipment using hand tools and hoists to begin repair work.
- Worked in shop and at customer locations to handle heavy equipment repair, maintenance and commissioning needs.
- Dismantled heavy equipment to locate and accurately diagnose mechanical defects.
Owner/Operator
Geisinger Farms
magnolia , AR
10.2015 - 10.2024
- Managed daily farm operations to enhance workflow and productivity.
- Oversaw inventory management, including supply ordering and stock tracking.
- Trained and supervised staff to uphold high-quality agricultural practices.
- Developed and implemented safety protocols for personnel and farm equipment.
- Coordinated crop planting schedules to optimize yield and resource allocation.
- Analyzed market trends to inform decisions on crop selection and sales strategies.
- Resolved customer complaints promptly, maintaining a positive business reputation.
- Established long-term customer relationships through excellent service and engagement skills.
- Maintained and repaired equipment to ensure optimal functionality.
- Troubleshot technical issues to minimize downtime and improve efficiency.
- Monitored safety protocols to promote a secure working environment.
- Documented maintenance activities for compliance and record-keeping purposes.
- Operated diagnostic tools to identify system malfunctions and perform repairs.
- Streamlined workflow processes to enhance overall team productivity.
- Replaced defective components or parts as needed.
- Utilized a variety of hand tools including soldering irons, screwdrivers, pliers, cutters, wire strippers and crimpers.
- Performed troubleshooting and repair of equipment in accordance with manufacturer specifications.
- Maintained records of repairs, calibrations, and tests performed on equipment.
- Managed quality control and maintained high level of customer satisfaction.
- Participated in training to maintain technical expertise and proficiency on applicable equipment.
- Reviewed technical manuals and other documents related to product operation and maintenance requirements.
- Tested and calibrated instruments to ensure accuracy and reliability of data.
- Completed scheduled appointments on time to drive quality service.
- Installed new components or replaced defective parts to restore functionality.
- Adjusted, connected, or disconnected wiring, piping and tubing to complete repairs and installations.
- Ran tests on newly repaired machinery and equipment to confirm proper functionality.
- Greased mechanical parts with lubrication to achieve smooth and regular functionality.
- Disassembled dysfunctional machinery to perform root cause analysis and repairs.
- Took measurements and evaluated dimensions of surrounding area to correctly install new machinery.
- Installed new appliances, wiring and machinery in homes with defective equipment.
- Estimated cost of labor and materials for projects and communicated value to clients.
- Relayed important safety guidelines to clients to achieve thorough understanding of new equipment.
- Communicated with distributors to acquire necessary equipment for projects.
Maintenance Technician
river valley quarries
Ozark, Arkansas
02.2021 - 08.2023
- Conducted routine inspections of equipment and systems for proper operation.
- Assisted senior technicians in troubleshooting and repairing machinery issues.
- Maintained accurate records of maintenance activities and repairs performed.
- Collaborated with team members to ensure a safe work environment.
- Responded promptly to maintenance requests from staff and management.
- Utilized hand tools and power tools for various repair tasks effectively.
- Followed safety protocols while performing maintenance duties on site.
- Operated hand and power tools to complete repairs.
- Cleaned work areas to maintain a safe environment free from debris or hazardous materials.
- Responded promptly to emergency breakdowns at any time during shift hours.
- Maintained accurate records of all maintenance activities performed.
- Repaired or replaced faulty wiring, switches, relays, and other electrical components.
- Replaced defective parts such as bearings, seals, gears, valves.
- Installed new systems, replacement parts, and components to maintain proper operation.
- Performed preventive maintenance tasks, including lubrication and cleaning of machines and equipment.
- Inspected grounds and buildings to identify, minimize and correct hazardous property conditions or liability concerns.
- Diagnosed mechanical problems using visual inspections and test instruments.
- Read and interpreted equipment and work orders to properly perform required maintenance services.
- Collaborated with building managers to assess ongoing needs and plan preventive maintenance schedules.
- Responded to personnel queries and troubleshooting requests to provide repair services to improve operations.
- Troubleshot complex electrical and mechanical issues with minimal downtime.
- Disassembled appliances to diagnose problems and facilitate repairs.
- Routinely inspected plant equipment for signs of wear or malfunctioning parts.
- Conducted performance and safety inspections on equipment and machinery to maintain operational baseline.
- Adjusted machine settings according to manufacturing specifications.
- Installed new pumps, compressors, boilers and other mechanical systems.
- Trained junior technicians on best practices for machine operation and repair.
- Inspected, operated or tested machinery or equipment to diagnose machine malfunctions.
- Adjusted devices or control instruments using hand tools, levels or straightedges.
- Assembled, installed or repaired electrical or electronic components and pipe systems.
- Planned and laid out repair work using diagrams, drawings or schematic diagrams.
- Aligned and balanced new equipment after installation.
- Installed equipment to improve energy or operational efficiency of residential or commercial buildings.
Maintenance Technician
ok foods
Fort Smith, Arkansas
01.2019 - 02.2021
- Conducted routine inspections of equipment and systems for proper operation.
- Performed maintenance tasks on plumbing, electrical, and HVAC systems.
- Assisted senior technicians in troubleshooting and repairing machinery issues.
- Maintained accurate records of maintenance activities and repairs performed.
- Collaborated with team members to ensure a safe work environment.
- Responded promptly to maintenance requests from staff and management.
- Utilized hand tools and power tools for various repair tasks effectively.
- Followed safety protocols while performing maintenance duties on site.
- Operated hand and power tools to complete repairs.
- Cleaned work areas to maintain a safe environment free from debris or hazardous materials.
- Responded promptly to emergency breakdowns at any time during shift hours.
- Cleared clogged drains and replaced valves, faucets, and fixtures.
- Maintained accurate records of all maintenance activities performed.
- Repaired or replaced faulty wiring, switches, relays, and other electrical components.
- Replaced defective parts such as bearings, seals, gears, valves.
- Installed new systems, replacement parts, and components to maintain proper operation.
- Performed preventive maintenance tasks, including lubrication and cleaning of machines and equipment.
- Inspected grounds and buildings to identify, minimize and correct hazardous property conditions or liability concerns.
- Diagnosed mechanical problems using visual inspections and test instruments.
- Assisted in the installation of new machinery and equipment.
- Read and interpreted equipment and work orders to properly perform required maintenance services.
- Collaborated with building managers to assess ongoing needs and plan preventive maintenance schedules.
- Responded to personnel queries and troubleshooting requests to provide repair services to improve operations.
- Completed basic carpentry tasks and installed shelves, hooks, and closet rods to meet customer needs.
- Troubleshot complex electrical and mechanical issues with minimal downtime.
- Disassembled appliances to diagnose problems and facilitate repairs.
- Changed HVAC filters and cleaned condensation drains to perform preventive maintenance on HVAC systems.
- Conducted performance and safety inspections on equipment and machinery to maintain operational baseline.
- Adjusted machine settings according to manufacturing specifications.
- Installed new pumps, compressors, boilers and other mechanical systems.
- Ensured proper functioning of facility's HVAC system by performing regular maintenance checks.
- Developed preventative maintenance plans for various types of machinery.
- Calibrated instruments used in testing processes to ensure accuracy of results.
- Implemented troubleshooting techniques to resolve issue.
- Repaired machines, equipment or structures using tools or equipment.
- Performed routine maintenance by inspecting drives, motors or belts.
- Ordered parts, supplies or equipment from catalogs or suppliers.
- Cleaned or lubricated shafts, bearings or other parts of machinery.
- Adjusted devices or control instruments using hand tools, levels or straightedges.
- Assembled, installed or repaired electrical or electronic components and pipe systems.
- Planned and laid out repair work using diagrams, drawings or schematic diagrams.
Power Plant Technician
tanana power
Tanana, Alaska
06.2011 - 10.2015
- Developed and implemented preventive maintenance programs for key power plant components, enhancing reliability and reducing downtime.
- Operated and maintained power generation equipment at Tanana Power.
- Conducted routine inspections to ensure system safety and efficiency.
- Collaborated with team members to execute scheduled maintenance tasks, ensuring optimal equipment performance.
- Monitored performance data to pinpoint and address operational inefficiencies.
- Responded promptly to emergency situations, minimizing operational disruption.
- Diagnosed engine malfunctions and performed necessary repairs on heavy diesel equipment.
- Conducted routine maintenance checks on trucks and machinery to ensure optimal performance.
- Utilized diagnostic tools to troubleshoot electrical and mechanical issues in diesel engines.
- Performed preventative maintenance on diesel engines and equipment.
- Operated specialty equipment, standard tools and gauges to complete assessments and repairs.
- Ensured that all tools were properly cleaned after use.
- Rebuilt faulty hydraulic systems including pumps and cylinders.
- Assisted in the removal of engines from vehicles in order to replace them with new ones.
- Welded broken metal parts using oxyacetylene torches and electric arc welders.
- Tested electrical circuits for faults using diagnostic computers.
- Removed and disassembled defective diesel engines in automobiles, trucks, generators and construction vehicles to complete repairs.
- Adjusted engine timing to factory specifications.
- Completed simple and advanced repairs according to specifications for brakes, exhaust and electrical systems.
- Installed and maintained overhead and underground electrical lines.
- Responded to service interruptions and repaired damaged lines.
- Operated heavy equipment for pole erection and line installation.
- Collaborated with team members to ensure safety compliance on job sites.
- Read blueprints and technical diagrams for project implementation.
- Maintained, repaired and replaced poles and cross-arms.
- Followed OSHA regulations related to safety procedures at job sites.
- Operated bucket trucks to install or maintain high voltage power lines.
- Assisted in the repair of damaged lines due to storms or accidents.
- Performed pole climbing, digging holes and backfilling trenches for line installation.
- Conducted routine maintenance on existing fiber optic systems.
- Diagnosed and repaired faults in fiber optic networks promptly.
- Collaborated with team members to complete installation projects efficiently.
- Utilized testing equipment to ensure signal integrity and performance standards.
- Installed, terminated, spliced and tested fiber optic cables.
- Climbed poles and entered tunnels, buildings, trenches or manholes to accomplish various job tasks.
- Connected wires and cables to terminals and attached and detached various kinds of hardware to wires, cables, buildings or poles.
- Performed maintenance on fiber optic networks.
- Built out new fiber runs for customer connections.
Skills
- refrigeration troubleshooting and repair
- HVAC troubleshooting
- Mechanical troubleshooting
- Electrical maintenance
- Mechanical maintenance
- Preventive maintenance
- Troubleshooting skills
- Performance monitoring
- Equipment maintenance
- System repairs
- Leak detection
- Cooling systems
- Heating systems
- Air handlers
- Control systems
- Fluid management
- Lock maintenance
- Plumbing repairs
- Surface repairs
- Facility maintenance
- Industrial equipment
- Parts replacement
- Tool management
- Safety compliance
- Safety regulations
- Codes compliance
- Lockout and tagout procedures
- Building inspections
- Documentation accuracy
- Reporting and documentation
- Attention to detail
- Effective communication
- Problem solving
- Relations management
- Service-oriented mindset
- Wall maintenance
- Air handlers
- Control systems
- Safety regulations
- Maintaining components
- Plumbing repairs
Certification
- epa 608 certification
- class A cdl
- comercial hvac certification
- hazmat certification
Timeline
Maintenance Technician
tkv construction & maintenance
02.2025 - Current
driver, mechanic
rolling j's trucking
08.2023 - 10.2024
Maintenance Technician
river valley quarries
02.2021 - 08.2023
Maintenance Technician
ok foods
01.2019 - 02.2021
Owner/Operator
Geisinger Farms
10.2015 - 10.2024
Power Plant Technician
tanana power
06.2011 - 10.2015