L4 Engineer

Key Responsibilities :

• Perform display/screen replacement across different iPhone models.

• Perform battery replacement and battery-related diagnostics.

• Diagnose and repair hardware issues after display and battery replacement.

• Handle complete iPhone disassembly and reassembly safely and professionally.

• Perform functional testing after every repair.
  

L4 / Motherboard-Level Repair

• Diagnose and repair iPhone motherboard/logic board-level faults.

• Perform advanced troubleshooting using schematics, board views, and technical documentation.

• Identify faulty components at board level.

• Perform component-level replacement and repair.

• Handle issues involving power, charging, booting, display, touch, audio, network, Wi-Fi, Bluetooth, camera, Face ID-related systems, and other board-level faults where technically repairable.

• Perform microsoldering and precision soldering work.

• Repair damaged pads, tracks, connectors, and board-level components.

• Diagnose short circuits and power-rail-related faults.

• Perform board cleaning and corrosion-related assessment/repair where appropriate.

• Work on multiple generations of iPhone models.
  

Diagnostic Responsibilities

• Inspect devices before accepting them for repair.

• Identify the root cause rather than replacing parts unnecessarily.

• Use appropriate diagnostic equipment and testing procedures.

• Document the fault, diagnosis, repair performed, and final testing result.

• Escalate cases that require specialized equipment, parts, or management approval.
  

Required Technical Skills

The ideal candidate should have:

• Strong experience in iPhone hardware repair.

• Strong L4 / motherboard-level repair experience.

• Excellent microsoldering skills.

• Experience with hot air station, soldering station, microscope, DC power supply, multimeter, and other board-repair tools.

• Ability to read and understand board views and schematics.

• Strong troubleshooting and fault-finding skills.

• Experience working across multiple iPhone generations and models.

• Good understanding of electronic components and circuits.

• Ability to work independently on difficult repair cases.
  

Preferred Experience

• Display and battery replacement

• Charging and power-related faults

• Boot-loop/no-power issues

• Short-circuit diagnosis

• Audio and microphone faults

• Camera-related hardware faults

• Network/Wi-Fi/Bluetooth faults

• Connector and FPC-related issues

• Board damage and corrosion

• Component-level replacement

• Microsoldering and jumper/trace repair
  

• It is a Full Time Technician job for candidates with 2 - 5 years of experience.