Assistant O&M Manager (Site Supervisor Level)

About the role

JLL is hiring an Assistant Operation & Maintenance Manager (site supervisor level) based in Wonseom, Gyeonggi-do, Korea. The role supports the O&M Manager in day-to-day facility operations and acts as deputy when needed, covering site operations, preventive maintenance, vendor management, compliance, reporting and technical issue resolution across the Korea portfolio.

Key responsibilities

• Support the O&M Manager in overall facility operations and maintenance management, and act as deputy when absent or delegated.
• Coordinate preventive and corrective maintenance for HVAC, electrical, fire protection, plumbing and other building systems.
• Carry out regular site inspections, identify risks and ensure timely corrective action.
• Manage and monitor vendors and contractors on quality, safety, schedule and service performance.
• Support maintenance planning, annual budget, repair and replacement planning and lifecycle management.
• Review technical issues and propose practical solutions to minimise operational disruption.
• Support incident response, emergencies and business continuity activities.
• Ensure compliance with client, EHS and regulatory requirements.
• Work with Workplace, EHS, Security, Finance, Project teams, landlords and clients.
• Support multiple Korea sites and travel to remote sites when required.

Required profile

• 5+ years of experience in facilities management, maintenance, mechanical, electrical or building services.
• Experience managing vendors, maintenance programmes and technical facility issues.
• Good knowledge of HVAC, electrical, fire protection and general building systems.
• Strong sense of ownership, coordination, problem-solving and reporting skills.
• Able to communicate effectively with client stakeholders and internal teams.
• English communication skills preferred; relevant technical licence or certification preferred.

Required skills

• Excellent MS Office skills
• Knowledge of HVAC, electrical, fire protection and building systems