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Senior Cybersecurity Operation

Singapore, Singapore · Job Posted April 24, 2026
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Job Description

We are seeking an experienced Cybersecurity Operations Lead to oversee mission-critical security operations in a 24×7 environment. This role is responsible for threat monitoring, incident response, vulnerability management, and ensuring compliance with IM8 governance standards. You will lead a team of cybersecurity engineers, manage security infrastructure, and drive continuous improvement in operational security practices.

Job Responsibility

  • Oversee day-to-day security monitoring using SIEM and endpoint protection tools
  • Lead incident response, containment, eradication, and root cause analysis for cybersecurity events
  • Ensure clear incident classification, escalation workflows, and communication protocols
  • Lead vulnerability assessments and penetration testing programs
  • Manage remediation of vulnerabilities across servers, network devices, middleware, and containers
  • Ensure timely patching cycles across all environments
  • Implement, configure, and maintain security technologies (firewalls, IDS/IPS, HSM, PAM)
  • Oversee OS, application, and network hardening (RHEL, Windows Server, Kubernetes)
  • Review and approve security architecture designs for new components and projects
  • Govern privileged access across Active Directory domains
  • Ensure segregation of duties, emergency access procedures, and periodic access reviews
  • Enforce compliance with IM8 cybersecurity policies and standards
  • Drive audit readiness, maintain risk registers, and track remediation progress
  • Liaise with cross function teams
  • Ensure clear documentation, SOPs, and knowledge transfer for all security activities
  • Drive continuous training and certification for team members

Requirements

  • Bachelor's degree in Information Security, Computer Science, Engineering, or related discipline
  • Minimum 5 years of proven experience in cybersecurity or information security roles supporting mission-critical operations, preferably in the public sector
  • Strong competency in operating system security (RHEL, Windows Server), network security, and Kubernetes security
  • Hands-on experience with tools such as SIEM (LogRhythm), Vulnerability Scanner (Nessus), IAM/PAM (BeyondTrust/CyberArk), HSM, TLS/PKI, Firewalls (Check Point, Palo Alto), IDS/IPS
  • CISSP, CISM, CEH or equivalent
  • Security principles (CIA, defense in depth, least privilege)
  • Networking and OS fundamentals
  • Identity & Access Management, cryptography basics
  • Application security fundamentals (OWASP Top 10, secure coding principles)
  • Incident response and IM8 compliance knowledge
  • Strong composure under pressure and ability to lead during incidents
  • Excellent communication skills (written and spoken)
  • High integrity, attention to detail, and accountability
  • Proactive, collaborative, and able to manage cross-functional coordination

What we offer

  • Hybrid working mode
  • Work-from-Abroad benefits
  • 18 days of Annual leave
  • Comprehensive coverage including General Practitioner, hospitalization, dental, and optical
  • Annual bonus based on individual performance
  • Training programs
  • Certification opportunities
  • Training incentives
  • Regular team-building activities and social events

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