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Network Security engineer

4-7 Years
SGD 4,000 - 7,000 per month
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  • Posted 20 hours ago
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Job Description

Responsibilities

  • Design, implement, operate, and maintain the organization's Security Management System (SMS) in alignment with ISO 27001 and other applicable security frameworks.
  • Manage and administer security infrastructure, including next-generation firewalls, IDS/IPS, NAC, VPN solutions, and security management platforms.
  • Develop, implement, and enforce information security policies, standards, procedures, and guidelines.
  • Monitor security events, logs, and alerts using SIEM and security monitoring tools to detect, analyze, and respond to threats.
  • Investigate security incidents, perform root-cause analysis, and lead incident response and remediation activities.
  • Ensure system hardening, secure configurations, and compliance with security baselines across network and infrastructure components.
  • Coordinate vulnerability assessments, penetration testing activities, and remediation tracking.
  • Support firewall policy management, security rule reviews, log analysis, and continuous security tuning.
  • Oversee access control mechanisms, authentication systems, and NAC solutions to ensure secure network access.
  • Collaborate with network, infrastructure, presales, and project teams on secure design and implementation of new systems and services.
  • Support Data Center and Disaster Recovery (DR) security implementations, audits, and compliance reviews.
  • Maintain security documentation, including risk assessments, asset registers, SOPs, incident reports, and audit evidence.
  • Manage vendor coordination related to security tools, licensing, renewals, RMA cases, and security product evaluations.
  • Support internal and external audits, regulatory requirements, and compliance initiatives.

Requirements

  • Bachelor's degree in information security, Computer Science, Engineering, Information Technology, or a related field.
  • Minimum of 4 years of hands-on experience in information security, security operations, or security management systems.
  • Strong understanding of Security Management Systems (SMS) and information security frameworks such as ISO 27001, ISO 27002, NIST, or similar.
  • Proven experience in network and infrastructure security across LAN, WAN, Data Center, and DR environments.
  • Hands-on experience with next-generation firewalls (Palo Alto, FortiGate, Cisco FTD, Juniper SRX).
  • Solid knowledge of routing, switching, and secure network design concepts.
  • Practical experience with VPN technologies (IPsec, SSL VPN, GRE, DMVPN).
  • Experience with SIEM platforms, log management, and security monitoring tools.
  • Familiarity with vulnerability management tools such as Nessus or equivalent.
  • Experience with NAC solutions such as Cisco ISE or FortiNAC.
  • Understanding of risk assessment, threat modeling, and security controls implementation.
  • Experience performing OS upgrades, firmware updates, configuration backups, and security maintenance activities.
  • Strong documentation skills with experience in policy writing, procedures, and audit reporting.
  • Experience in banking, telecommunications, cloud, or enterprise environments is preferred.
  • Ability to manage multiple tasks and respond effectively in a fast-paced environment.
  • Willingness to work 24/7 shifts, including nights, weekends, and public holidays, if required.
  • CCNA/CCNP Certificate is must.
  • Preferred who is certified in PCNSE and Fortinet NSE
  • CISSP, CISM, or equivalent security certifications (added advantage)


LiangSyeh Wei (Shevy) - R:R22108807

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Job ID: 145560785

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