Senior Data Center & Network Security Architect

NXERA SG PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

NXERA SG PTE. LTD. in Singapore seeks a Senior Network Engineer to lead design, deployment, and operation of critical data centre networks. You will drive scalable, secure architectures across IT and OT domains, including DWDM and cyber security governance.

You will collaborate with Cybersecurity, Data Centre OT, IT Infra and Analytics teams to deliver resilient, low-latency networks, implement automation with Python/Ansible, and mentor engineers through architecture reviews and project delivery.

Qualifications

• Senior-level network engineering experience in data centre environments.
• Proven ability to design, deploy and secure large-scale enterprise networks.
• Experience with DWDM, OT security, and cybersecurity governance.

Responsibilities

• Design, implement, and operate enterprise WAN/LAN/WLAN, DWDM and security infrastructure.
• Lead network architecture reviews for new data centres and regional deployments.
• Mentor engineers and drive automation initiatives using Python, Ansible, REST APIs.

Skills

Networking

Security leadership

Automation

Team leadership

Education

Bachelor's degree in IT or related field

Tools

Cisco

Juniper

Fortinet

Arista

Job description

NXERA SG PTE. LTD. in Singapore seeks a Senior Network Engineer to lead design, deployment, and operation of critical data centre networks. You will drive scalable, secure architectures across IT and OT domains, including DWDM and cyber security governance.

You will collaborate with Cybersecurity, Data Centre OT, IT Infra and Analytics teams to deliver resilient, low-latency networks, implement automation with Python/Ansible, and mentor engineers through architecture reviews and project delivery.