Senior IT Infrastructure Engineer: Cloud, Security

ANTINA PTE. LTD.; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

ANTINA PTE. LTD. in Singapore seeks an experienced IT infrastructure engineer with 8+ years in design, deployment, and support of on-premises and cloud-integrated networks. You will manage security, virtualization, and storage components across complex environments.

The role requires hands-on Palo Alto firewall skills, VPN/NAT troubleshooting, and strong RCA abilities, plus experience with Zabbix, Grafana, PRTG, Nagios, and Microsoft 365. On-site work in Singapore offered.

Qualifications

• Degree in IT, Computer Science, or related field.
• 8+ years of experience in IT infrastructure and/or network engineering.
• Hands-on Palo Alto firewalls experience and VPN/NAT troubleshooting.
• Experience across networking, systems, enterprise technologies, and monitoring.

Responsibilities

• Design, implement, and support end-to-end on-premises IT infrastructure.
• Operate enterprise network infrastructure (VPN, NAC, load balancers, firewall).
• Deploy, configure, and support Windows Server, Linux, virtualization, and storage.
• Support Microsoft 365 and hybrid identity environments.
• Perform RCA and security hardening, patching, and vulnerability management.
• Manage monitoring platforms and optimize alerts (Zabbix, Grafana, PRTG, Nagios).
• Support ITSM processes and on-call operations.
• Maintain asset inventory and technical documentation; manage vendors and SLAs.

Skills

Palo Alto firewalls

Root cause analysis

Stakeholder management

Communication skills

Education

Degree in IT or Computer Science

Tools

Zabbix

Grafana

PRTG

Nagios

Veeam

ITSM tools

Job description

ANTINA PTE. LTD. in Singapore seeks an experienced IT infrastructure engineer with 8+ years in design, deployment, and support of on-premises and cloud-integrated networks. You will manage security, virtualization, and storage components across complex environments.

The role requires hands-on Palo Alto firewall skills, VPN/NAT troubleshooting, and strong RCA abilities, plus experience with Zabbix, Grafana, PRTG, Nagios, and Microsoft 365. On-site work in Singapore offered.