Zscaler Deployment & L3 Support Engineer_Contract

NTT SINGAPORE PTE. LTD.Singaporemycareersfuturepublished 10/29/2026
Must-have:Security

Your tasks

Seeking a hands-on Zscaler Deployment & L3 Support Engineer responsible for implementation, migration, testing, and Day-2 operations support across Zscaler security solutions.

  • Deploy, configure, and support ZIA, ZPA, and ZCC environments.
  • Implement GRE/IPsec tunnels, ZCC, and App Connectors.
  • Configure and troubleshoot SWG, DNS, Firewall, SSL Inspection, and ZTNA policies.
  • Perform application onboarding, PAC/forwarding configuration, and SAML/SSO troubleshooting.
  • Conduct migration activities, implementation testing, UAT support, and production cutovers.
  • Analyze issues using Wireshark, PCAP, HAR files, and Zscaler logs.
  • Provide L3 incident troubleshooting, root cause analysis (RCA), and operational documentation.

Requirements

Required Skills

  • Strong hands-on experience with Zscaler ZIA, ZPA, and ZCC.
  • Expertise in GRE/IPsec tunnels, SSL inspection, and security policy management.
  • Experience with ZTNA, SAML/SSO, and application access troubleshooting.
  • Proficiency in packet and log analysis using Wireshark, PCAP, and HAR tools.
  • Excellent troubleshooting, documentation, and stakeholder communication skills.