GSE Technician: Advanced Diagnostics & Repairs

Unifi Aviation, LLC; Philadelphia (Philadelphia County); On-site; USD 36,000 - 52,000; Full time

Benefits offered by this job

Flight privileges after 30 days

Paid time off

Medical/Dental/Vision insurance (full‑

401k

Discounts and wellness programs

Job summary

Unifi Aviation, LLC is seeking a GSE Technician to independently perform complex diagnostics, troubleshooting, and repairs on Ground Support Equipment. This advanced role requires interpreting wiring diagrams and hydraulic schematics, and resolving high-impact issues with minimal supervision.

You will contribute to reliability and safety for daily operations, mentor junior technicians, and document work following CCC standards.

Qualifications

• High School diploma or equivalent.
• 2–5+ years of experience in automotive, diesel, heavy equipment, or GSE maintenance preferred.
• Ability to independently diagnose and repair complex mechanical, electrical, and hydraulic issues.
• Strong proficiency with diagnostic tools including multi-meters, scan tools, pressure gauges, and electrical testing equipment.
• Ability to read and interpret wiring diagrams, schematics, and OEM technical manuals.
• Strong understanding of PM programs, predictive indicators, and reliability centered maintenance principles.
• Ability to mentor and support less experienced technicians.
• Excellent communication and documentation skills.

Responsibilities

• Perform advanced troubleshooting and diagnostics on mechanical, electrical, hydraulic, and electronic systems across all GSE types.
• Complete complex repairs including engine work, hydraulic system rebuilds, electrical harness repairs, brake system overhauls, and major component replacements.
• Interpret and apply OEM manuals, wiring diagrams, hydraulic schematics, and diagnostic flowcharts.
• Perform root cause analysis (RCA) on repeat or high impact failures and recommend corrective actions to improve reliability.
• Mentor and support Technician I and II employees by demonstrating proper repair techniques, safety practices, and documentation standards.
• Perform advanced electrical testing including voltage drop analysis, continuity testing, load testing, and charging system diagnostics.
• Conduct advanced hydraulic diagnostics including pressure testing, valve troubleshooting, and cylinder performance evaluation.
• Document all work performed using the company’s CMMS (AssetWorks) following CCC standards and reliability focused documentation practices.
• Ensure all repairs meet OEM specifications, safety requirements, Unifi, EPA and OSHA regulatory standards.
• Assist with parts identification, inventory control, and verification of correct components for complex repairs.
• Communicate effectively with Leads, Management, and Operations regarding equipment status, repair timelines, and reliability concerns.
• Support shop organization, tool control, and continuous improvement initiatives.
• Represent our team culture that empowers employees to succeed through our leadership engagement and company support.

Skills

Diagnostics

Electrical testing

Mechanical repair

Reading schematics

Communication

Education

High School diploma or equivalent

Tools

Multimeters

Scan tools

Pressure gauges

OEM manuals

Job description

Unifi Aviation, LLC is seeking a GSE Technician to independently perform complex diagnostics, troubleshooting, and repairs on Ground Support Equipment. This advanced role requires interpreting wiring diagrams and hydraulic schematics, and resolving high-impact issues with minimal supervision.

You will contribute to reliability and safety for daily operations, mentor junior technicians, and document work following CCC standards.