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Security Engineer (Network)

Ensign InfoSecurity • Cybersecurity • Information Security • 7 days ago
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Salary
≈ $70k – $170k per year (Estimated)
Location
In office (Indonesia)
Seniority
Middle · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 7, 2026. Ensign InfoSecurity scores B on the Alion truth index.

Overview
Company
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Profile match

Ensign InfoSecurity

Ensign InfoSecurity is a Singaporean cybersecurity firm described as one of the largest pure play cybersecurity companies in Asia, formed by combining the security businesses of Singtel and Certis. It provides consulting, managed security operations, threat intelligence and incident response, and hires security engineers, threat hunters and client success consultants. The company is headquartered in Singapore.
ensigninfosecurity.com • HQ: Singapore • Threat Intelligence • Managed Security • Information Security • 1001-5000 employees • Est. 2018
Tech stack of Ensign InfoSecurity

Ensign is hiring !

Domain Security Engineer - Network

Location: Jakarta (onsite) | Reports to: Security Engineering Manager

Role Summary

Owns implementation and operation of the network security across a predominantly cloud environment.

Key Responsibilities

  • Operate Network Cybersecurity solution
  • Run VM (Tenable) scanning, prioritization and remediation tracking
  • Operate Email Security Gateway (Proofpoint): policies, quarantine, phishing response
  • Tune correlation rules and reduce false positives across network/cloud sources
  • Support incident detection and investigation for network-layer threats
  • Maintain network domain documentation and detection content

Requirements

  • 3-5+ years in network security operations/engineering
  • Hands-on with network security solutions
  • Comfortable in cloud-native network environments (not traditional on-prem networking)
  • Strong analytical and engineering skills
  • cloud network security certification a plus
  • Jakarta-based; onsite
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