Manager, GT-Network Engineering & Operations (Network Security Specialist)

Job Purpose *

To provide reliable and secure network security infrastructure support by managing and maintaining enterprise firewall environments across data centres and campus sites. The role is responsible for ensuring the availability, performance, and security of network services through effective firewall administration, incident resolution, technology refresh initiatives, and continuous compliance with CIMB's security and regulatory requirements.

Key Responsibilities *

Manage and support enterprise firewall infrastructure

• Perform daily administration, monitoring, and operational support of firewall environments across Bangi Data Center, Strateq Data Center, and campus sites.
• Ensure firewall services are operating optimally and meeting agreed service levels, availability, and performance standards.
• Conduct regular health checks and proactive maintenance activities to ensure infrastructure stability.

Implement and govern firewall security policies

• Review, implement, and maintain firewall rules and security policies in compliance with Information Technology Security Requirements (ITSR) and internal security standards.
• Validate change requests and ensure all firewall configurations are properly documented, approved, and implemented according to change management procedures.
• Support security audits, compliance reviews, and risk mitigation initiatives.

Incident management and problem resolution

• Investigate, troubleshoot, and resolve network and firewall-related incidents within agreed service levels.
• Perform root cause analysis for recurring issues and recommend preventive measures to improve service reliability.
• Work closely with application, infrastructure, cybersecurity, and vendor teams to coordinate incident resolution activities.

Firewall lifecycle and vulnerability management

• Support firewall software upgrades, patch management activities, and security vulnerability remediation.
• Ensure timely remediation of end-of-support (EOS) and end-of-life (EOL) firewall platforms to maintain a secure and supported environment.
• Maintain documentation of firewall inventory, software versions, and support status.

Technology refresh and infrastructure enhancement

• Participate in firewall technology refresh initiatives and project implementations.
• Assist in planning, testing, migration, and deployment activities for new firewall platforms and security technologies.
• Provide technical recommendations to improve network security architecture, resilience, and operational efficiency.

Disaster Recovery and Business Continuity Support

• Support Disaster Recovery (DR) exercises and business continuity initiatives involving network and firewall infrastructure.
• Ensure firewall configurations, policies, and network connectivity are appropriately replicated and tested in DR environments.
• Participate in post-DR reviews and implement identified improvement actions.

Stakeholder and vendor coordination

• Collaborate with internal technology teams, cybersecurity teams, project managers, and external vendors to support operational and project requirements.
• Provide technical consultation and support on firewall-related matters during project implementation and infrastructure changes.

24x7 Operational Support

• Participate in standby and on-call rotations to provide 24x7 support for critical network and security infrastructure.
• Respond promptly to major incidents and service disruptions to minimize business impact.
• Maintain operational documentation, knowledge repositories, and standard operating procedures to ensure effective support coverage.

Job Specification *

Qualifications

(Basic Degree/Diploma etc)

Minimum Qualification

• Bachelor degree in Computer Science
• Bachelor degree in Information System

Professional Qualification and/or Regulatory, Licensing requirements

Relevant certifications (e.g.,Cisco CCNA/CCNP, CheckPoint, Fortigate) are a plus.

Relevant Work Experience

• Network Engineer, Project Engineer

Required Competencies and Skills *

Competencies/Skills

(Essential to succeed in this job)

Technical Competency

• Technical knowledge in IT Infrastructure area
• Business knowledge in Financial industrial
• Project Management

Personal skills (Soft Competencies [Core/Leadership])

• Good presentation and influencing skills, a good team player and able to inspire trust among colleagues.
• Able to lead and guide other team when necessary.

Travel Requirements (if any)

Frequency

(Incl typical Destinations and Duration) As and when there is a demand