Cybersecurity Operations Lead

ALTEN Group is a world leader in Engineering and Technology consulting services providing outsourced Engineering, R&D, and IT Services for different industries such as Transportation, Defence, Energy and Security with 55,000 engineers in nearly 35 countries. ANOTECH is the subsidiary of the Group delivering ALTEN's Engineering Services in Singapore.

As a Cybersecurity Operations Lead, you will 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.

. Certifications in CISSP,CISM, CEH or equivalent.

. 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.

. 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.

. Eligible for G50 security clearance (background checks will be conducted).