Johnathan Mathis Email & Phone Number

Adamsville, Alabama, United States

San Diego County, California, United States

*Must have the ability to read and comprehend Technical Manuals in English.*Must read and understand blueprints, mechanical drawings, hydraulic and pneumatic schematics.*Must start and secure shipboard systems or equipment.*Initial light from shipboard systems and conduct testing in accordance with test procedures and technical manuals.*Ability to troubleshooting and repair equipment when not operating according to specifications.*Ability to work closely with… Show more *Must have the ability to read and comprehend Technical Manuals in English.*Must read and understand blueprints, mechanical drawings, hydraulic and pneumatic schematics.*Must start and secure shipboard systems or equipment.*Initial light from shipboard systems and conduct testing in accordance with test procedures and technical manuals.*Ability to troubleshooting and repair equipment when not operating according to specifications.*Ability to work closely with others.*Ability to use calculators to solve standard mathematical formulas.*Ability to safely use hand tools, power tools, portable drilling, boring and milling tools to install, maintain and repair machinery.*Ability to go to sea for up to five days for sea trials testing (Up to twice per year) and occasionally work night shifts for short durations.*Commissions, operates, installs, maintains, and repairs ship's main propulsion and auxiliary systems including, but not limited to Steam, Gas Turbine, Diesel propulsion, propulsion shafting, propellers, rudders and steering engines. Commissions, operates, installs, maintains ship's fluid systems including, but not limited to, pumps, compressors, purifiers, refrigeration units, heat exchangers, hydraulic motors actuators and valves. Tests installed equipment to ensure systems meet specifications. Installs and tests various shop equipment. May perform responsibilities solely in the Test & Trials department. Performs other related tasks as assigned, some of which may become essential to the position Show less

San Diego, California, United States

*Perform maintenance and repairs on the following:- 19 Bally walk-in coolers and freezers, that was water-cooled condensers. Using 507a and 404a.- 70 reach-in, under reach-in, and portable units. Using 134a, Nu22/R22, and 410a refrigerant.- 45 Manitowoc ice machines

Tucker, Georgia, United States

*Preventative Maintenance on 138 rooms*Electrical*HVAC*Plumbing*Painting*Pool maintenance

Dekalb County, Georgia, United States

*Installed numerous blower motors, contactors, relay, and run or start capacitors.*Preventive maintenance (changing filters, checking for Superheat and Subcooled)*Carpentry training (changing over 100 light bulbs, ceiling tile installation, and installing sheet rock)*Electrical training (installing wall outlets, light fixtures, running electrical cable to create power for new HVAC unit)*Troubleshooted the manufactures: Lennox, Comfort Maker, and Goodman. Using my… Show more *Installed numerous blower motors, contactors, relay, and run or start capacitors.*Preventive maintenance (changing filters, checking for Superheat and Subcooled)*Carpentry training (changing over 100 light bulbs, ceiling tile installation, and installing sheet rock)*Electrical training (installing wall outlets, light fixtures, running electrical cable to create power for new HVAC unit)*Troubleshooted the manufactures: Lennox, Comfort Maker, and Goodman. Using my Clap/Voltmeter and the Schematics or Pictorial wire diagram.*Installed duct work, for accurate air flow, throughout commercial buildings Show less

Atlanta, Georgia, United States

*Drove a company van to customers' homes; containing company tools, and refrigerant cylinders (R134a, R22, and R410a)*Perform over 15 compressor changes, doing proper recover and vacuum procedures. In addition, I have conducted multiple brazing connections, on installing new compressors.* Familiar with reading schematics diagrams, and I have tested over 50 Main Circuit Board for the component's proper voltage or resistance. I have experience with DC and AC voltage

San Diego, California, United States

Associate Of Science - As, Heating, Air Conditioning, Ventilation And Refrigeration Maintenance Technology/Technician

Some College, Electrician

Education record