L3 Technician – Roles & Responsibilities
1. Advanced Technical Repairs
Handle complex hardware and software issues escalated from L1 & L2 technicians
Perform board-level repairs (IC replacement, micro-soldering, jumper work)
Diagnose intermittent, dead, boot failure, network, and power issues
Work on high-value and critical customer devices
2. Technical Escalation & Support
Act as the final technical escalation point within the service center
Provide root cause analysis (RCA) for repeated or unresolved issues
Support L1/L2 technicians with troubleshooting guidance and live assistance
3. Quality Control & First-Time-Fix
Ensure high First Time Right (FTR) / First Time Fix (FTF) ratio
Reduce repeat repairs and customer complaints
Validate repairs before delivery for critical cases
4. Training & Skill Development
Train and mentor L1 & L2 technicians on:
Advanced diagnostics
Recent models & technologies
Repair best practices
Prepare technical notes, SOPs, and repair tips
5. Tools, Equipment & Software Handling
Operate and maintain advanced tools:
Microscope
Hot air rework station
Multimeter, DC power supply
Programming & flashing tools
Handle OEM diagnostic software and firmware updates