C

Network & Security Engineer (Global Investment firm)

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Job Description - Network & Security Engineer (Global Investment firm)

My client , a global investment firm , is looking for a network & security engineer to join their highly capable IT team here in Hong Kong.






Job Responsibilities

  • Lead APAC network operations, ensuring stability, performance, and security across offices and regional infrastructure.
  • Manage and maintain enterprise‑grade Cisco networking, including routing, switching, wireless, WAN/SD‑WAN, VPN, and firewall platforms.
  • Oversee network segmentation, traffic engineering, capacity planning, and incident troubleshooting.
  • Operate and support regional security tools including Rapid7 (InsightVM/InsightIDR) and Microsoft Defender (Defender for Endpoint/Servers).
  • Drive vulnerability management and remediation cycles for network and infrastructure components.
  • Support incident response efforts-network forensics, containment actions, and coordination with global security teams.
  • Contribute to network and security improvement projects, including upgrades, cloud connectivity, and regional rollout of global standards.
  • Ensure compliance with APAC regulations (SFC, HKMA, MAS) and assist with audits and security controls evidence.
  • Maintain clear documentation, network diagrams, runbooks, and operational procedures.
  • Collaborate with global engineering teams in the US and UK on design, troubleshooting, and follow‑the‑sun operations.


Job Requirements

  • 7-10+ years of hands-on experience in enterprise networking, with strong expertise in Cisco routing, switching (BGP, OSPF, STP, QoS), wireless, VPN, and firewall technologies.
  • Deep understanding of network design, high availability, segmentation, and performance tuning.
  • Experience in network troubleshooting using advanced tools (packet analysis, flow monitoring, diagnostics).
  • Practical exposure to security platforms: Rapid7, Microsoft Defender, EDR, vulnerability management, and incident response workflows.
  • Experience in regulated or highly controlled environments, ideally financial services.
  • Familiarity with ISO 27001, NIST, CIS Controls, and APAC regulatory standards.
  • Comfort working with hybrid environments and basic cloud networking (Azure preferred).
  • Scripting/automation skills (PowerShell, Python, or Ansible) beneficial but not mandatory.
  • Strong communication skills across regions and ability to operate as an independent contributor.
  • Relevant certifications preferred: CCNP/CCIE, CISSP, GIAC, Azure/AWS networking or security certifications.




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