Earl Jaime Rangel Jr
Edinburg,TX
Summary
Highly skilled, multi-disciplined Trades Professional with over a decade of comprehensive experience executing construction, rehabilitation, and preventive maintenance across federal facilities, public lands, industrial utility plants, and wildlife management properties. Expert in diagnosing, troubleshooting, and repairing complex mechanical, electrical, structural, and plumbing (MEP) systems under strict compliance with OSHA, USDA, and Department of the Interior safety regulations. Formally trained with a Bachelor of Science from Texas A&M University and backed by an active EPA Universal HVAC certification. Proven proficiency in operating heavy construction and agricultural machinery, managing public lands infrastructure, executing vehicle/fleet repairs, and leading emergency response efforts. Demonstrated ability to perform the full range of multi-craft maintenance tasks independently and safely without more than normal supervision.
Overview
1
1
Certification
11
11
years of professional experience
Work History
Maintenance Worker (WG-4749 Equivalent)
USDA APHIS – Facility Management Services
Edinburg,TX
05.2026 - Current
- Troubleshoot, isolate, and repair facility electrical networks including lighting grids, commercial switches, standard receptacles, circuit breakers, backup generators, and Uninterruptible Power Supply (UPS) arrays.
- Conduct routine mechanical inspections, component troubleshooting, filter and belt changes, and diagnostic adjustments on multi-zone heating, ventilation, and air conditioning units.
- Diagnose and repair plumbing infrastructure, including structural water supply lines, primary control valves, industrial fixtures, and complex drainage systems.
- Read and interpret comprehensive blueprints, structural schematics, and manufacturer technical manuals to calculate material layouts and exact dimensions for construction updates.
- Safely transport, deploy, and operate heavy construction machinery including backhoes, skid steers, forklifts, and aerial boom lifts to perform excavation, site grading, material loading, and building repairs.
- Serve as a primary technical first responder for urgent facility calls involving utility blackouts, mechanical disruptions, or structural threats. Close out detailed work orders using automated digital systems.
Construction Worker (Parallel / Intermittent Experience)
Residential Construction & Remodeling
Pharr, TX
06.2016 - Current
- Read building blueprints to square, frame, and build structural walls, install drywall sheets, lay wood/tile flooring, and hang finished exterior doors, windows, and cabinetry.
- Safely routed building-wide utility line drops, residential breaker boxes, and copper/PVC water line supply runs during construction and structural renovations.
Laborer / Tractor Operator
USDA APHIS – Facility Management Services
Edinburg,TX
05.2024 - 05.2026
- Independently operated industrial wheeled agricultural tractors paired with 10-to-20-foot batwing mowers to maintain path clearings, firebreaks, and safety perimeters across 940 acres of public federal property.
- Executed field-level preventative maintenance, fluid flushing, belt changes, and tune-ups on diesel engines, hydraulic equipment arrays, portable pumps, commercial trailers, and utility vehicles.
- Routed electrical conduit, pulled wiring, and replaced commercial switches and circuit breakers
- Executed concrete removal, structural excavation, tree trimming, and technical chemical/herbicide applications to protect federal habitat boundaries from invasive overgrowth.
Plant Protection Technician
USDA APHIS
08.2023 - 05.2024
- Conducted thorough field inspections across diverse terrain throughout South Texas. Managed accurate boundary documentation and specimen collection via advanced GPS tracking gear.
- Accurately processed and uploaded sensitive field inspection and land security metrics into highly secure federal databases.
- Dispatched rapidly to California as part of a specialized federal emergency response team to assist with resource logistics and containment efforts for the Queensland Fruit Fly.
Agricultural Field Representative
Pictsweet
Monte Alto, TX
09.2022 - 12.2022
- Coordinated field harvesting crews, operated heavy utility tractors, maintained and repaired vehicles. Diagnose small engine repairs, replaced parts and completed preventative maintenance duties
Technical Field Specialist
Apeel Sciences
City, State
09.2020 - 07.2022
- Collaborated directly with project engineering teams to assemble, precisely align, calibrate, and launch complex industrial processing machinery lines.
- Trained and mentored employees on safe work practices and proper protocols of tool use, equipment and protective gear
Industrial Systems Operator
Artesia EcoScience
Monahans, TX
08.2018 - 03.2020
- Fabricated, laid out, and maintained heavy fluid transport systems, including high-pressure pipelines, multi-valve distribution manifolds, and chemical injection loops.
- Disassembled, troubleshot, and rebuilt heavy mechanical assets including industrial fluid pumps, electric drive motors, mechanical gearboxes, and control instrumentation.
Safety Technician
Safety Solutions
City, State
10.2017 - 08.2018
- Deployed, calibrated, and maintained vital emergency response arrays, structural SCBA gear, and Hydrogen Sulfide (H2S) gas monitoring loops.
- Ran comprehensive facility risk audits and served as an active monitor over energy isolation Lockout/Tagout (LOTO) field procedures.
Nursery Supervisor / Post-Harvest Technician
Wonderful Citrus
City, State
08.2015 - 09.2017
- Directed, scheduled, and supervised a team of 16 maintenance and production workers to complete complex property and greenhouse operations under tight schedules.
- Conducted routine maintenance overhauls on structural irrigation loops, large-scale greenhouse ventilation fans, fluid pumps, and industrial production conveyor systems.
Education
Bachelor of Science - Wildlife And Fisheries Sciences
Texas A&M University
Certification
EPA Universal HVAC Certification
Electrical and mechanical codes
Electrical safety
Intro into electrical troubleshooting
National electric code
Timeline
Maintenance Worker (WG-4749 Equivalent)
USDA APHIS – Facility Management Services
05.2026 - Current
Laborer / Tractor Operator
USDA APHIS – Facility Management Services
05.2024 - 05.2026
Plant Protection Technician
USDA APHIS
08.2023 - 05.2024
Agricultural Field Representative
Pictsweet
09.2022 - 12.2022
Technical Field Specialist
Apeel Sciences
09.2020 - 07.2022
Industrial Systems Operator
Artesia EcoScience
08.2018 - 03.2020
Safety Technician
Safety Solutions
10.2017 - 08.2018
Construction Worker (Parallel / Intermittent Experience)
Residential Construction & Remodeling
06.2016 - Current
Nursery Supervisor / Post-Harvest Technician
Wonderful Citrus
08.2015 - 09.2017
Bachelor of Science - Wildlife And Fisheries Sciences
Texas A&M University