Senior Network & Security Expert

TDCX Malaysia; Kuala Lumpur; On-site; MYR 80,000 - 120,000; Full time

Job summary

A leading technology solutions provider in Kuala Lumpur is seeking a Network and Security Specialist with over 5 years of experience to design and manage network infrastructures. The ideal candidate should have expertise in architecting complex network solutions and maintaining security policies. This role offers a competitive salary and benefits, including medical and miscellaneous allowances, and opportunities for lifelong learning.

Benefits

Medical allowance

Miscellaneous allowance

Dental benefit

Vision benefit

Incentive, bonus and commission plan

Life-long learning opportunity

Qualifications

• Possess at least a Diploma or higher in Information Technology or related fields.
• 5+ years of experience architecting complex networks and leading projects.
• Hands-on experience with WLAN configuration and troubleshooting.

Responsibilities

• Design, configure, implement, and support various network environments.
• Manage and maintain network firewalls and security policies.
• Conduct root cause analysis for network-related incidents.

Skills

Ability to architect complex networks

Strong knowledge of IPv4/IPv6

Problem-solving skills

Excellent verbal and written communication skills in English

Education

Diploma or higher in Information Technology or related fields

Tools

Firewalls

Routers and switches

VPN systems

Job description

Responsibilities

• Design, configure, implement, and support LAN, WAN, MAN, and SD-WAN network environments.
• Manage and maintain network firewalls, including security policies, rules, and compliance requirements.
• Support network security operations, including VPN, IDS/IPS, and alignment with security best practices.
• Perform network performance monitoring, tuning, and capacity planning.
• Conduct root cause analysis and provide permanent solutions for network-related incidents.
• Document network architecture, configurations, diagrams, and technical reports.
• Collaborate with internal teams to ensure stable, secure, and scalable network operations.
• Any other duties and responsibilities that may be assigned to you by the management from time to time, within your category of employment in the organization and the effective implementation, maintenance and continual improvement of the Quality Management System of TDCX.

Qualifications

• Possess at least a Diploma, Advanced/Higher Diploma, Bachelor’s Degree, Postgraduate Diploma, Professional Degree, or Master’s Degree in Information Technology or related fields.
• Senior (5+ years): Ability to architect complex networks, lead network projects and mentor junior engineers.
• Strong knowledge of IPv4/IPv6, switching technologies, routing protocols, TCP/IP, DNS, DHCP, ARP, VLAN, and subnetting.
• Familiar with routers, switches, firewalls, access points and load balancers.
• Exposure to firewalls, VPN, IDS/IPS systems, and security best practices.
• Hands‑on experience with WLAN configuration/troubleshooting and SD‑WAN technologies.
• Strong problem‑solving, analytical, documentation, and reporting skills.
• Experience in firewall security management.
• Excellent verbal and written communication skills in English and the requisite supporting market language.

Perks and Benefits

• Medical allowance
• Miscellaneous allowance
• Dental benefit
• Vision benefit
• Incentive, bonus and commission plan
• Life‑long learning opportunity

Application Process

Your application will include the following questions:

• Which of the following statements best describes your right to work in Malaysia?
• How many years' experience do you have as a Network and Security Specialist?
• Which of the following types of qualifications do you have?