HR & Admin Manager

About the role

SingBuild Co., Ltd. is seeking a resilient, highly motivated HR & Admin Manager to lead HR and administrative functions for its Phnom Penh office and a construction workforce of over 500 site workers. Reporting to the Head of HR & Admin in Singapore, you will translate strategic direction into compliant, efficient daily operations in a fast‑paced, rugged environment.

Key responsibilities

• Lead, develop and coach a local HR team covering both corporate and construction sites.
• Oversee manual payroll processing and time‑attendance tracking for 500+ workers, ensuring accuracy and preparing for systematized solutions.
• Manage the full employee lifecycle: onboarding, probation, contract renewals, internal transfers and off‑boarding.
• Execute high‑volume recruitment for site workers and strategic corporate hiring.
• Maintain up‑to‑date knowledge of Cambodian labour laws and NSSF regulations to ensure compliance and audit readiness.
• Serve as the primary HR point of contact, providing clear operational advice on policies and procedures.
• Take ownership of all admin functions, including facility management, seating arrangements and workplace decorum.
• Establish and maintain administrative processes, controls and documentation standards.
• Partner with the Singapore HR lead to implement overarching HR strategies and manage major local HR initiatives.
• Handle employee relations matters, disputes, grievances and disciplinary actions typical of a large construction environment.

Required profile

• High emotional intelligence and strong conflict‑resolution abilities.
• Proven experience managing HR operations for a large, high‑volume workforce.
• Ability to enforce company policies and maintain professional workplace standards independently.
• In‑depth understanding of Cambodian labour legislation and NSSF regulations.
• Excellent communication skills and the capacity to act as a trusted partner to both employees and senior management.

Required skills

• Experience managing manual payroll for 500+ employees.
• Strong knowledge of Cambodian labour law and compliance requirements.