Senior Network Security Engineer - CISCO Firewall

ANOTECH ENERGY SINGAPORE PTE. LTD. • singapore, singapore • Posted June 18, 2026

About the Role

As a Senior Network Engineer, you will produce detailed network architecture designs and implement network systems to meet the data communication needs as required.

Responsibilities
  • Design and Document Preparation:
    • Provide networking expertise, revise solution architecture drawings and diagrams
    • Prepare the design documents including Low Level Design (LLD) documents for OPS Network and SMRC Network, firewalls configuration, IDS/IPS and hardening states.
    • Prepare ITD (Test procedure) document for OPS Network and SMRC Network
    • Prepare new or update all the relevant documents (e.g. Maintenance or User Manual, Config / Rollback / Troubleshoot Procedure) required for the OPS Network (FMC, FTD (firewalls)) and SMRC Network (OFL+ONL)
  • Integration Support:
    • Support configuration changes to system platforms in factory and customer sites.
    • Work on the configurations of interface...