Cybersecurity Operation Lead

Singapore 5 days agoFull-time External
43.6k - 54.5k / mo
Position Summary: 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. Responsibilities: Threat Monitoring & Incident Response • 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. Vulnerability & Patch Management • 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. Security Infrastructure & System Hardening • 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. Privileged Access Management • Govern privileged access across Active Directory domains. • Ensure segregation of duties, emergency access procedures, and periodic access reviews. Governance & Compliance • Enforce compliance with IM8 cybersecurity policies and standards. • Drive audit readiness, maintain risk registers, and track remediation progress. Team Leadership • 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 two or more tools such as SIEM (LogRhythm), Vulnerability Scanner (Nessus), IAM/PAM (BeyondTrust/CyberArk), HSM, TLS/PKI, Firewalls (Check Point, Palo Alto), IDS/IPS is a must. • CISSP, CISM, CEH or equivalent preferred. • 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.