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HCLTech

Network Engineer

HCLTech
Singapore · Full-time · Mid-Senior

Key Responsibilities:

  • Design, implement, and maintain secure web gateway solutions using Zscaler and Blue Coat technologies.
  • Configure and manage Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) environments.
  • Administer and troubleshoot Blue Coat ProxySG and Content Analysis Systems.
  • Monitor, analyze, and improve the performance and security of the network and proxy infrastructure.
  • Work closely with the security and infrastructure teams to enforce security policies and ensure compliance.
  • Perform root cause analysis on proxy and internet access-related issues.
  • Manage change requests and incident resolution following ITIL processes.
  • Document architecture, configurations, and standard operating procedures.
  • Provide technical support and guidance to users and IT teams on Zscaler and Blue Coat-related issues.


Job Requirements:

  • Bachelor’s degree in Computer Science, Information Technology, or related field.
  • 5+ years of experience in network security engineering or a similar role.
  • Proven experience with Zscaler technologies (ZIA, ZPA).
  • Strong expertise in Blue Coat/Symantec ProxySG, including policy configuration and troubleshooting.
  • Knowledge of network protocols (TCP/IP, HTTP, SSL, DNS).
  • Familiarity with firewalls, routing, switching, and other security appliances.
  • Experience with security incident handling and response.
  • Scripting knowledge (Python, PowerShell, or Bash) is a plus.
  • Strong analytical, communication, and documentation skills.


Nice-to-Have:

  • Zscaler Certified Professional (ZCP) or Symantec Blue Coat certifications.
  • Experience with SD-WAN, VPN technologies, and cloud networking.
  • Familiarity with SIEM tools and logging systems (Splunk, QRadar, etc.).

Key Skills

Ranked by relevance

network security powershell firewalls python qradar splunk cloud bash itil siem vpn wan ssl
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Posted
Sep 02, 2025
Type
Full-time
Level
Mid-Senior
Location
Singapore
Company
HCLTech

Industries

IT Services IT Consulting

Categories

Information Technology

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