Maintenance Engineer (Security Systems) | Up to $5000

HRNET VENTURES PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

HRNET VENTURES PTE. LTD. in Singapore is seeking a security systems engineer to maintain and troubleshoot mission-critical CCTV and access control infrastructure on-site.

You will handle first and second-level escalations, perform on-site diagnostics, apply root cause analyses, and ensure system reliability across multiple platforms. The role requires 4–5 years of hands-on experience with CCTV and access control systems, strong networking and Windows server knowledge, and relevant

Qualifications

• Diploma or Nitec in IT or related engineering field.
• Technical CCTV and Access Control certifications recommended.
• 4–5 years hands-on experience.
• Strong understanding of: network connectivity, SQL databases, Windows Server, virtualization, door hardware, identity and access management, and video management software.

Responsibilities

• Serve as escalation point for maintenance-related issues.
• On-site troubleshooting, diagnosis, and resolution of hardware, software, and network faults.
• Conduct root cause analysis (RCA) and implement corrective actions to prevent recurring issues.
• Replace faulty hardware, perform firmware upgrades, software patching, and system optimization.
• Coordinate with vendors for advanced technical support, bug fixes, and system updates.
• Configure, maintain, and optimize access control and video management systems.
• Support controller configurations, card readers, credential management, biometric authentication, and access permissions.
• Troubleshoot integrations between security subsystems and enterprise platforms.
• Ensure systems remain secure, stable, and operational in mission-critical environments.
• Execute preventive maintenance schedules and maintain detailed technical documentation.

Skills

LenelS2 OnGuard

HID / Mercury-based Access Control

Genetec

Suprema

ZKTeco

Axis Communications

Milestone VMS

Education

Diploma / Nitec in IT, Computer Engineering, Electrical/Electronics Engineering, or related field

Tools

LenelS2 OnGuard

HID / Mercury-based Access Control Systems

Genetec

Suprema

ZKTeco

Axis Communications

Milestone Video Management Systems

Job description

Key Responsibilities

System Maintenance & Troubleshooting

• Serve as the first and second-level technical escalation point for maintenance-related issues.

• Perform on-site troubleshooting, diagnosis, and resolution of hardware, software, and network-related faults.

• Conduct root cause analysis (RCA) and implement corrective actions to prevent recurring issues.

• Replace faulty hardware, perform firmware upgrades, software patching, and system optimization.

• Coordinate with vendors for advanced technical support, bug fixes, and system updates.

Security Systems Support

• Configure, maintain, and optimize access control and video management systems.

• Support controller configurations, card readers, credential management, biometric authentication, and access permissions.

• Troubleshoot integrations between security subsystems and enterprise platforms.

• Ensure systems remain secure, stable, and operational in mission-critical environments.

Preventive Maintenance & Documentation

• Execute preventive maintenance schedules and routine system health checks.

• Recommend upgrade strategies and lifecycle management plans.

• Prepare detailed service reports and maintain accurate technical documentation.

• Update system design documentation whenever hardware or software changes are implemented.
  

Preferred Technical Experience

Experience with one or more of the following platforms:

• LenelS2 OnGuard

• HID / Mercury-based Access Control Systems

• Genetec

• Suprema

• ZKTeco

• Axis Communications

• Milestone Video Management Systems (VMS)

Requirements:

• Diploma / Nitec in IT, Computer Engineering, Electrical/Electronics Engineering, or related field.

• Technical certifications in CCTV and Access Control systems are highly recommended.

• 4 – 5 years of hands-on experience

• Strong understanding of:

  • Network connection

  • SQL databases, Windows Server, virtualized environments

  • Door hardware (maglocks, strikes, sensors, interlocks)

  • Identity and access management principles

  • Video Management Software

• Exceptional analytical and problem-solving skills, with the ability to diagnose both software and hardware issues.

• Able to perform standby or after-hours support upon fault call activated on rotation basis