Infrastructure & Security Lead – IT Networking

Celestica Inc.; Penang; On-site; MYR 180,000 - 280,000; Full time

Job summary

Celestica Inc. in Penang, Malaysia seeks a Technical Lead for IT Infrastructure to oversee SONiC-based network infrastructure, security tooling, and secure data operations.

The role requires strong Linux administration, virtualization, and hands-on experience with Check Point, Zscaler, and CyberArk in a multitenant lab setting. The candidate will manage VLANs, firewall policies, and secure remote sessions while ensuring compliance, maintenance windows, and steady service delivery for global

Qualifications

• Bachelor's degree in Network Administration, Information Technology, Computer Science, or equivalent hands-on experience.
• 4+ years of network administration or system administration experience, preferably in secure/lab environments.
• Strong knowledge of Linux administration, networking, and security concepts.

Responsibilities

• SONiC infrastructure management: monitor, configure, and maintain health and uptime of Celestica switches running SONiC.
• Configure VLANs, IPs, and switch ports to isolate multi-tenant projects within SONiC.
• Perform hardware diagnostics, cabling checks, and SONiC firmware updates per SOPs.
• Support legacy devices including Check Point, Silver Peak, and Cisco switches as needed.
• Administer Zscaler ZTNA and AppConnectors to enforce internal firewalling.
• Manage Linux-based jump hosts: local users, permissions, and access controls.
• Operate CyberArk vPAM for secure remote sessions and credentials.
• Conduct weekly audits of active sessions and ACL configurations.
• Secure data transfers across air-gapped environments and verify package integrity.

Skills

SONiC

Zscaler ZTNA

CyberArk

Linux

VMware

Nutanix AHV

Hyper-V

SFTP

SCP

Networking

Education

Bachelor's degree in Network Administration / IT

Tools

Check Point

Cisco Catalyst

Aruba Wireless

CyberArk

Job description

Celestica Inc. in Penang, Malaysia seeks a Technical Lead for IT Infrastructure to oversee SONiC-based network infrastructure, security tooling, and secure data operations.

The role requires strong Linux administration, virtualization, and hands-on experience with Check Point, Zscaler, and CyberArk in a multitenant lab setting. The candidate will manage VLANs, firewall policies, and secure remote sessions while ensuring compliance, maintenance windows, and steady service delivery for global