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Network Engineer (Zscaler ZTNA)


HCL SINGAPORE PTE. LTD.
8 days ago
Posted date
8 days ago
N/A
Minimum level
N/A
Full-timeEmployment type
Full-time
ITJob category
IT
Overview

We are seeking a skilled Zscaler ZTNA Specialist to support, operate, and enhance our Zscaler security ecosystem. The ideal candidate will have hands-on experience in designing, deploying, and maintaining secure internet access and Zero Trust Network Architectures (ZTNA) using Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA).

Responsibilities
  • Provide Day 2 operational support for ZIA and ZPA to ensure secure and efficient internet and application access aligned with client security standards.
  • Design, implement, and support Zero Trust Network Access (ZTNA) solutions using the Zscaler platform for remote and on-premises users.
  • Configure, tune, and optimize Zscaler services to protect users, devices, and applications against internet threats while maintaining seamless access to resources.
  • Identify, diagnose, and resolve complex issues in Zscaler deployments and integrations with enterprise infrastructure.
  • Monitor Zscaler performance, manage policies, and ensure compliance with security standards and regulatory frameworks.
  • Support integration of Zscaler logs and alerts with SIEM platforms and automate routine processes using APIs where applicable.
  • Maintain technical documentation, update the security risk matrix in alignment with network security standards, and contribute to continuous improvement initiatives such as AppViz functionality development.
  • Collaborate with IT, network, and security teams as well as third-party vendors to ensure successful implementation and support of Zscaler solutions.

Requirements
  • Bachelor's degree in Computer Science, Information Technology, or a related field.
  • 4 years of experience in network or cloud security, with at least 2 years focused on Zscaler technologies.
  • Strong hands-on experience with Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA).
  • Solid understanding of Zero Trust Network Access (ZTNA) architecture and cloud security principles.
  • Experience in network security operations, including firewalls, VPNs, proxies, and DNS filtering.
  • Familiarity with SIEM tools, log analysis, and incident response workflows.
  • Experience with API integration, automation scripting, and configuration management tools is an advantage.
  • Excellent troubleshooting, analytical, and problem-solving skills.
  • Strong communication and stakeholder management abilities.
  • Relevant certifications (e.g., Zscaler Certified Cloud Professional (ZCCP-PA/ZCCP-IA), ZIA/ZPA Specialist) preferred.
Related tags
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JOB SUMMARY
Network Engineer (Zscaler ZTNA)
HCL SINGAPORE PTE. LTD.
Singapore
8 days ago
N/A
Full-time

Network Engineer (Zscaler ZTNA)