Full time

Operations Network Security Engineer

Posted by NS BlueScope • Cilegon, Banten, Indonesia

📍 Cilegon, Banten 🕒 March 01, 2026

About the Role

The Operations Network Security Engineer role will be involved in supporting and applying OT network assessment and design technologies, as well as BAU operations related to network infrastructure, network security, and backup and restoration activities.

This role also responsible for preparing design specifications and detailed technical documentation related to OT country projects.

Responsibilities:

Operational & Infrastructure Management

  • Maintain and support OT network, firewall, and security systems to ensure high availability and performance for manufacturing operations.
  • Administer and secure server, storage, and virtualization platforms (VMware), including patching, snapshots, and RBAC controls.
  • Perform system backup, restore, and disaster recovery testing for critical production systems.
  • Collaborate with IT and operations teams to resolve L2/L3 incidents and perform root-cause ...

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