Senior Network Architect: Data Center & Cybersecurity

Nxera; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Nxera in Singapore seeks an experienced Senior Network Engineer to lead design, implementation, operation, and improvement of enterprise network infrastructure for mission-critical data centres.

You will oversee the backbone networks, security governance, and automation, collaborating with Cybersecurity, Data Centre OT, Operations, IT Infrastructure, and Data Analytics to deliver secure, resilient, and scalable solutions.

Qualifications

• Extensive enterprise networking and data centre experience.
• Proven leadership of technical teams across networking and cybersecurity.
• Experience with DWDM, OT/IT architectures, and security governance.

Responsibilities

• Lead design, implementation, and operation of enterprise network infrastructure for data centres.
• Oversee data centre cybersecurity, governance, and incident response.
• Design secure network segmentation between IT and OT environments.
• Manage WAN/LAN/WLAN, firewalls, and zero-trust/network access controls.
• Mentor engineers and drive automation using Python, Ansible, and APIs.

Skills

Data Centre OT

Cybersecurity

Network design

Leadership

Python

Ansible

Linux

Networking protocols

BGP/OSPF

Tools

Cisco

Juniper

Fortinet

Arista

DWDM

Data Diodes

Job description

Nxera in Singapore seeks an experienced Senior Network Engineer to lead design, implementation, operation, and improvement of enterprise network infrastructure for mission-critical data centres.

You will oversee the backbone networks, security governance, and automation, collaborating with Cybersecurity, Data Centre OT, Operations, IT Infrastructure, and Data Analytics to deliver secure, resilient, and scalable solutions.