Senior IT Infrastructure & Security Engineer

Akraya Group; Jakarta Selatan; On-site; IDR 350,000,000 - 600,000,000; Full time

Job summary

PTESSA Industries Indonesia Tbk in Jakarta is seeking an experienced IT Infrastructure & Security professional to support secure, reliable, high‑performing IT infrastructure across the ESSA Group. The role covers cloud, network, security, virtualization, Microsoft 365, and multi‑site connectivity.

The position is based at the Head Office in South Jakarta, with hands‑on responsibilities across Azure, Palo Alto, and hybrid environments.

Qualifications

• Bachelor’s degree in IT, CS, CE, or related field.
• 8+ years hands-on IT infrastructure experience.
• 5+ years Azure and enterprise firewall administration (Palo Alto preferred).
• Strong Azure skills: VMs, VNet, NSG, Storage, Backup/Recovery, Monitor, hybrid connectivity.
• Experience with Palo Alto Firewall: policies, NAT, routing, VPN, logging, troubleshooting.
• Strong Cisco networking, Ruckus Wireless, Hyper‑V, LAN/WAN, VLAN, routing, switching, VPN.
• Experience with Microsoft 365, Entra ID, AD, Windows Server, identity integration.
• Experience with SentinelOne EDR, endpoint security, patching, vuln remediation.

Responsibilities

• Administer and troubleshoot Azure, Hyper‑V, Windows Server, and hybrid/multi‑cloud infrastructure.
• Manage Palo Alto Firewalls, Cisco networks, Ruckus Wireless, VPN, and multi‑site connectivity.
• Administer Microsoft 365, Active Directory, and Entra ID, including access/integration.
• Manage SentinelOne EDR, endpoint security policies, alert investigation, remediation.
• Perform infrastructure security hardening, patching, access control, vulnerability remediation.
• Execute backup, restore, replication, and disaster recovery procedures.
• Monitor infrastructure performance, security logs, alerts, and SIEM/SOC integration.
• Troubleshoot incidents across cloud, network, firewall, VPN, virtualization, identity, endpoint, M365 environments.
• Maintain documentation, diagrams, configurations, SOPs, inventories.
• Coordinate with vendors and service providers for escalations.

Skills

Fluent English

Communication skills

Coordination skills

Education

Bachelor's Degree in IT/CS/CE

Tools

Azure

Palo Alto Firewall

Cisco Networking

Hyper-V

Microsoft 365

Entra ID

Active Directory

SentinelOne EDR

Job description

PTESSA Industries Indonesia Tbk in Jakarta is seeking an experienced IT Infrastructure & Security professional to support secure, reliable, high‑performing IT infrastructure across the ESSA Group. The role covers cloud, network, security, virtualization, Microsoft 365, and multi‑site connectivity.

The position is based at the Head Office in South Jakarta, with hands‑on responsibilities across Azure, Palo Alto, and hybrid environments.