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Network Security Engineer

5-7 Years
SGD 4,000 - 7,000 per month
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  • Posted 22 hours ago
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Job Description

Responsibilities

  • Design, implement, operate, and maintain enterprise and security network infrastructure supporting electronic security systems and customer environments.
  • Manage and administer network and security infrastructure, including firewalls, VPNs, intrusion detection systems, access control networks, and monitoring platforms.
  • Support deployment and maintenance of electronic security systems such as CCTV, Access Control, Intrusion Detection, and Integrated Security Management Systems.
  • Monitor security events, system logs, and alerts using monitoring tools to detect, analyze, and respond to incidents.
  • Perform troubleshooting, root cause analysis, and incident resolution for network and security system issues.
  • Ensure secure network configurations, system hardening, and compliance with cybersecurity best practices across customer installations.
  • Conduct vulnerability assessments, coordinate remediation activities, and support system security improvements.
  • Manage firewall policies, rule reviews, network segmentation, and secure remote access configurations.
  • Support system integration, installation, testing, commissioning, and handover of security and network solutions.
  • Collaborate with project, engineering, and technical teams to ensure secure and reliable solution deployment.
  • Maintain documentation including network diagrams, system configurations, SOPs, maintenance reports, and incident records.
  • Support preventive maintenance, firmware upgrades, system updates, and service improvement activities.
  • Coordinate with vendors and subcontractors for technical support, equipment replacement, and solution deployment.
  • Ensure compliance with internal security policies, customer requirements, and industry standards.
  • Provide technical support and guidance to customers and internal teams when required.

Requirements

  • Bachelor's Degree or Diploma in Information Technology, Computer Science, Electronics, Electrical Engineering, Telecommunications, or related field.
  • Minimum 5 years of experience in network engineering, IT infrastructure, or electronic security systems environment.
  • Strong knowledge of IP networking concepts including TCP/IP, VLANs, routing, switching, and wireless networks.
  • Hands-on experience with firewall and network security devices such as Fortinet, Palo Alto, Cisco, or equivalent platforms.
  • Experience supporting CCTV systems, Access Control Systems, Intrusion Detection Systems, and integrated security solutions.
  • Good understanding of VPN technologies such as IPsec and SSL VPN.
  • Experience in system installation, configuration, troubleshooting, and commissioning activities.
  • Familiarity with network monitoring, log analysis, and incident troubleshooting.
  • Knowledge of cybersecurity principles and secure network design practices.
  • Ability to perform preventive maintenance and handle multiple site support activities.
  • Strong problem-solving skills and ability to work in fast-paced operational environments.
  • Good communication and coordination skills for working with customers, vendors, and project teams.
  • Willingness to work on-site and support after-office hours or emergency maintenance when required.
  • Fortinet NSE, PCNSE, or equivalent certifications will be an added advantage.
  • Security certifications such as Security+, CISSP, or CISM will be an added advantage.

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Job ID: 149885057

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Skills:

access control systems RoutersConfigurationSwitchesCybersecurityVlansNetwork InfrastructureFirewallsTestingSystem InstallationCommissioningIntercom SystemsWireless NetworksDocumentationTechnical SupportCCTV SystemsVisitor Management SystemsIntrusion Detection Systems