Summary
Overview
Work History
Education
Skills
Certification
Languages
Affiliations
References
Timeline
Generic

Darrion Jefferson

Jayess

Summary

HVAC Service Technician with many years experience in heating, air conditioning and refrigerant systems, as well as electrical and mechanical controls. Ambitious with strong background in plumbing, refrigeration machinery operations, and HVAC repair and maintenance. Excellent understanding of HVAC controls.

Successful at assessing and understanding problems and developing proactive, successful solutions to meet needs and maximize system performance. Positive, upbeat and committed to continuous professional development.

Overview

10
10
years of professional experience
2017
2017
years of post-secondary education
1
1
Certification

Work History

HVAC Technician

Jefferson & Son’s electric and construction
McComb
10.2015 - Current
  • Installed heating and cooling systems in residential and commercial buildings.
  • Conducted routine maintenance on HVAC equipment to ensure optimal performance.
  • Diagnosed and repaired HVAC system malfunctions using specialized tools.
  • Collaborated with team members to complete large installation projects efficiently.
  • Interacted with clients to discuss HVAC needs and recommend solutions.
  • Followed safety protocols while handling hazardous materials and equipment.
  • Maintained accurate records of services performed and parts used for reference.
  • Repaired or replaced defective parts such as compressors, motors, fans and other components in heating and cooling systems.
  • Installed, repaired and maintained residential HVAC equipment, including furnaces, air conditioners, heat pumps and duct systems.
  • Cleaned evaporator coils, condensate drains and blower wheels to maintain optimal efficiency of the unit.
  • Troubleshot and diagnosed issues with HVAC equipment, providing recommendations for remediation.
  • Documented all repair work performed on HVAC units according to company standards.
  • Troubleshot complex control circuits involving relays, transformers and switches.
  • Checked pressure readings on gauges connected to the system in order to diagnose any malfunctions.
  • Maintained and serviced HVAC systems and refrigeration equipment.
  • Inspected electrical wiring of existing HVAC systems to identify potential problems and safety hazards.
  • Calibrated thermostats, tested capacitors and checked refrigerant levels for proper functioning of the system.
  • Recovered refrigerant from old HVAC units prior to disposal according to local environmental regulations.
  • Examined heating and air conditioning systems and air compressors for signs of defects or malfunction.
  • Followed safety procedures when working on high voltage wiring or gas lines.
  • Performed routine checks on various components of the system such as contactors, relays and solenoids.
  • Assembled sheet metal pieces into ductwork sections using rivets or screws as needed.
  • Adept at reading blue prints of electrical equipment.
  • Designed and implemented custom HVAC solutions to meet specific customer requirements and building specifications.
  • Diagnosed and repaired faults in HVAC systems, including refrigerant leaks, electrical issues, and mechanical failures.
  • Reviewed work orders and discussed with supervisors.
  • Repaired parts by using technical knowledge, special tools and soldering skills.
  • Mounted compressors, condensers and other components in specified locations using hand tools and various welding equipment.
  • Read technical manuals and schematics to understanding specific configurations.
  • Cut and drilled holes in floors, walls and roofs to install equipment using power saws and drills.
  • Put in new gas lines, wiring and other support components for HVAC systems.
  • Inspected job site before project start to identify obstacles and resolve issues.
  • Led teams to complete large installation projects on time and within specific parameters outlined in customer documentation.
  • Coordinated with contractors and construction teams on new installations and major repair projects.

Construction Laborer

Jefferson & Son’s electric and construction
McComb
08.2015 - 10.2017
  • Inspected completed work to ensure quality standards were met.
  • Reviewed project scope ahead of installation to understand customer expectations and important details.
  • Used hand tools such as hammers, wrenches, levels for various jobsite tasks.
  • Operated heavy machinery for site preparation and material transport.
  • Assisted skilled tradespeople during electrical installations and construction projects.
  • Loaded and unloaded construction materials, ensuring proper handling techniques.
  • Collaborated with team members to complete tasks efficiently and on schedule.
  • Cleared job sites of debris and hazardous materials to promote safety standards.
  • Performed routine maintenance on tools and equipment to ensure optimal performance.
  • Followed blueprints and project specifications to support construction activities effectively.
  • Operated a variety of hand and power tools to complete tasks such as sawing, drilling, hammering, and excavating.
  • Carried tools and equipment between job sites as required.
  • Performed general clean-up activities onsite including sweeping and disposing of debris.
  • Used picks and shovels to dig, spread, and level dirt and gravel.
  • Mixed cement with sand or water to create mortar for bricklaying applications.
  • Set up ladders or temporary platforms used in construction projects.
  • Assisted in the installation of doors, windows, drywall, roofing systems, and other structural components.
  • Provided support to skilled tradespeople including carpenters, masons, plumbers, electricians.
  • Built forms for pouring concrete foundations and slabs.
  • Installed insulation into walls before applying drywall panels.
  • Erected scaffolding according to job specifications.
  • Used laser measuring tools to calculate lengths, widths, and heights.
  • Measured dimensions for foundations or other structures prior to pouring concrete or erecting walls.
  • Performed lock-out-tag-out procedures on equipment prior to service work to promote workplace safety.
  • Gained independent working skills and guided and mentored less experienced team members.
  • Tended pumps, compressors or generators to provide power or heat or move materials.
  • Learned and mastered skilled trade specialties under guidance of expert mentors.

Commercial Electrician Apprentice

Metro Services Group
Hattiesburg
05.2015 - 09.2016
  • Assisted in installing electrical systems under supervision of licensed electricians.
  • Maintained tools and equipment to ensure optimal performance and safety standards.
  • Followed blueprints and technical diagrams to complete wiring tasks accurately.
  • Participated in on-site training sessions to enhance technical skills and knowledge.
  • Supported the testing of electrical systems for functionality and compliance.
  • Installed conduit for wiring installations.
  • Tested continuity of wires using multimeters or other electronic testing devices.
  • Worked closely with electricians to learn proper techniques for installing electrical systems.
  • Identified faulty wiring conditions that could cause accidents or fires.
  • Read blueprints and diagrams to determine layout of electrical systems.
  • Measured, cut and bent wire conduits using various hand tools.
  • Connected power supply wires to circuit breakers, transformers or other components.
  • Demonstrated a strong understanding of Ohm's Law principles related to electricity.
  • Followed safety protocols when working with high voltage electricity.
  • Assembled lighting fixtures, outlets and switches according to code requirements.
  • Assisted in the installation of electrical systems, including wiring, fixtures and outlets.
  • Maintained inventory of supplies needed for jobsite operations.
  • Observed experienced electricians while they performed their duties in order to gain knowledge about the trade.
  • Completed minor repairs such as replacing fuses, light bulbs, switches and receptacles.
  • Assisted with the troubleshooting and repair of electrical circuits and systems.
  • Kept work areas clean, neat, and free of hazards.
  • Dug trenches and created holes to pull conduit and install supports.
  • Examined and tested electrical systems to locate loose connections or other faults and make proactive repairs.
  • Collaborated with more knowledgeable professionals to grow understanding of principles and construction standards.
  • Verified measurements and made accurate cuts to avoid wasting materials on job sites.
  • Listened to directives of senior electrical professionals to complete efficient tasks.
  • Completed semi-skilled and skilled work under supervision of fully qualified professionals.
  • Followed relevant electrical and building codes for each job.
  • Led teams and delegated tasks to install, maintain, or repair electrical systems and wiring.

Education

Associate of Applied Science - HVAC & Plumbing

Southwest Mississippi Community College
Summit, MS
08.2018 - 05.2020

Tylertown High School
Tylertown, MS

Skills

  • A/C troubleshooting
  • HVAC system design
  • Electrical circuit diagnostics
  • Refrigerant recovery
  • Equipment maintenance
  • Safety compliance
  • Team collaboration
  • Problem solving
  • Attention to detail
  • Time management
  • Variable frequency drives
  • Analytical thinker
  • Focused on safety
  • Diagnostic techniques
  • Commercial installation
  • EPA requirements
  • Soldering
  • Preventative maintenance
  • Variable speed drives
  • Piping systems
  • Adaptable
  • Blueprint reading
  • Blueprint interpretation
  • Dedicated team player
  • Quality assurance
  • Project coordination
  • Technical troubleshooting
  • Fault tracing

Certification

  • EPA 608 Certification Type, 1,2,3, and universal, Ebsco Institute, April 11,2019.

Languages

English
Native/ Bilingual

Affiliations

  • Gardening
  • Camping
  • Cooking
  • Working Out

References

References available upon request.

Timeline

Associate of Applied Science - HVAC & Plumbing

Southwest Mississippi Community College
08.2018 - 05.2020

HVAC Technician

Jefferson & Son’s electric and construction
10.2015 - Current

Construction Laborer

Jefferson & Son’s electric and construction
08.2015 - 10.2017

Commercial Electrician Apprentice

Metro Services Group
05.2015 - 09.2016

Tylertown High School

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