Overview

Network Security Engineer

Date: 13 Jun 2025

Location:

Singapore, Singapore

Company:
Singtel Group

Be a Part of Something BIG! 

Make An Impact By

  • Design and Deployment of Security Solutions:
  • Design and implement Firewall solutions including Checkpoint, Fortinet and Cisco Firepower.
  • Implement Network Access Control (NAC) solution using leading technologies such as Forescout & Cisco ISE,
  • Implement and manage VPN solution for secure remote access.
  • Network Security Management:
  • Handle network security for both on-premise and cloud environments.
  • Design and deploy Intrusion Detection/Prevention Systems (IDS/IPS).
  • Understanding & troubleshooting encryption technologies and protocols, including SSL/TLS, IPsec, and PKI.
  • Design and Solution Implementation:
  • Collaborate with network, storage, and application teams to design and implement secure network architectures.
  • Develop Low-Level Design (LLD) and High-Level Design (HLD) documents for network security projects with the team.
  • Infrastructure Management:
  • Configure and troubleshoot network infrastructure components such as Cisco Nexus, Catalyst switches, and routers.
  • Security Compliance and Best Practices:
  • Ensure network security solutions comply with industry standards.
  • Perform regular security & vulnerability assessments.
  • Conduct penetration testing and security audits to identify and mitigate risks.
  • Incident and Change Management:
  • Experience in managing security incidents, including detection, response, and mitigation.
  • Work on Change Management and Problem Management to ensure secure deployment of network changes.
  • Security Governance:
  • Develop and implement security policies, procedures, and guidelines to ensure comprehensive security governance.
  • Drive cleanups for Firewall rules, VPN profiles and User access.
  • Monitor and report on compliance with security policies, providing recommendations for improvement.

Skills for Success: 

  • Degree in computer science/ Information Technology
  • Network Industry certification (e.g CCNA, CCNP)
  • Professional Network Security certification is preferred.
  • 3-5 years of working experience in Corporate Network Security.
  • Experience and knowledge in area of Network (CISCO), Firewalls (Checkpoint, Fortinet), Security Orchestration (Algosec), IPS (Palo Alto), Load balancers (F5), VPNs and Authentication Systems.
  • Knowledge of LAN, WAN and Data Centre network & Security industry standards relevant to data communications / networking and computing.
  • Knowledge of Software Defined Networking (SDN) on Cisco ACI will be advantageous.
  • Knowledge on Security best practices and experience in Network solutioning, Operations and Project Management.
  • Experience in working with vendors on technology and services.

Rewards that Go Beyond

  • Full suite of health and wellness benefits 
  • Ongoing training and development programs 
  • Internal mobility opportunities

 

Are you ready to say hello to BIG Possibilities?

Take the leap with Singtel to unlock new opportunities and accelerate your growth. Apply now and start your empowering career!

 


About Singtel

Headquartered in Singapore, Singtel has 140 years of operating experience and played a pivotal role in the country’s development as a major communications hub. Optus, our subsidiary in Australia, is a leader in integrated telecommunications, constantly raising the bar in innovative products and services.

We are also strategically invested in leading companies in Asia and Africa, including Bharti Airtel (India, South Asia and Africa), Telkomsel (Indonesia), Globe Telecom (the Philippines) and Advanced Info Service (Thailand). We work closely with our associates, leveraging our scale in networks, customer reach and extensive operational experience to lead and shape the communications industry.

Together, the Group serves over 700 million mobile customers around world. Singtel is one of the largest listed Singapore companies on the Singapore Exchange by market capitalisation.

The Group has a vast network of offices throughout Asia Pacific, Europe and the USA, and employs more than 23,000 staff worldwide.