Cabling Engineer

About the role

JLL is hiring a Cabling Engineer for an on-site position in Busan, Korea. The role covers planning, coordinating and supervising the installation and maintenance of telecommunication systems, including structured cabling, fiber optics and copper cabling, and acting as the main link between clients, subcontractors, IT teams and vendors.

Key responsibilities

• Plan, coordinate and supervise day-to-day site installation and maintenance of telecommunication systems (MDF/IDF, IT rack, cable containment, cross-connection, patching and structured cabling)
• Run, lace, pull and terminate high-density fiber optic and copper cables through overhead cable trays, under raised floors and into server racks
• Mount network switches, patch panels and servers, and connect inter-rack and intra-rack cross-connects
• Prepare and update As-built drawings, schematic diagrams and containment layouts using AutoCAD or similar software, and keep cabling, patching and IT asset records up to standard
• Review site requirements and cable routes, ensuring compliance with technical specifications and local electrical and telecom standards
• Maintain labeling and patching schedules according to ANSI/TIA-606-C and update Infrastructure Management (DCIM) software
• Test cables end-to-end with a Fluke tester, check signal integrity, attenuation and bandwidth, and resolve connectivity tickets within SLAs
• Conduct physical layer audits, trace faulty links and identify signal loss
• Enforce safety regulations and manage airflow and cable density in high-heat spaces
• Develop technical guides and site procedures, and train the field team

Required profile

• Valid working status in the local region
• Minimum 5 years' experience in structured cabling in data centres
• Experience with continuous improvement initiatives and report preparation
• Good communication skills and fluency in English

Required skills

• Structured cabling and fiber optic termination
• Cable testing with a Fluke tester
• AutoCAD or similar drafting software
• Preferred: BICSI (RCDD, NTS), CompTIA Network+, or OEM cabling installer credentials (e.g., CommScope, Corning)