Senior Data Center Network Architect & Cybersecurity Lead

Singtel; Singapore; On-site; Confidential; Full time

Job summary

Singtel is seeking an experienced Senior Network Engineer to design, implement, operate, and continuously improve enterprise network infrastructure across mission-critical data centre environments. You will drive secure, resilient, and scalable network solutions supporting business growth.

You will lead cybersecurity integration with OT/IT, guide data centre architecture reviews, and collaborate with Cybersecurity, Data Centre OT, Operations, IT Infrastructure, and Data Analytics teams to ensure

Qualifications

• Extensive experience designing and managing enterprise networks.
• Experience with data centre deployments and OT integration.
• Expertise in network security architecture and incident response.
• Ability to lead cross-functional teams and projects.

Responsibilities

• Design, implement, and manage secure network architectures for data centres.
• Lead Data Centre Cybersecurity team and architecture reviews.
• Oversee DWDM optical transport and backbone networks.
• Collaborate with Cybersecurity, IT Infrastructure, and OT teams.
• Drive network automation and scripting initiatives using Python/Ansible.
• Mentor engineers and manage project delivery.

Skills

Enterprise networking

Data centre networking

Cybersecurity

Network automation

DWDM

Leadership

BGP/OSPF/MPLS

Linux scripting

Tools

Cisco

Juniper

Fortinet

Arista

DWDM hardware

RADIUS/TACACS+

Job description

Singtel is seeking an experienced Senior Network Engineer to design, implement, operate, and continuously improve enterprise network infrastructure across mission-critical data centre environments. You will drive secure, resilient, and scalable network solutions supporting business growth.

You will lead cybersecurity integration with OT/IT, guide data centre architecture reviews, and collaborate with Cybersecurity, Data Centre OT, Operations, IT Infrastructure, and Data Analytics teams to ensure