NTT Ltd. logo

Cross Technology Managed Services Engineer (L3)

NTT Ltd.

SingaporeFull-timeHybrid

Posted 22 Jun 2026

About this role

Manage day-to-day operations and L3 troubleshooting for Zscaler ZIA and ZPA services to ensure secure user connectivity. Responsible for policy administration, forwarding architecture maintenance, and integration with identity and security tools. Requires strong working knowledge of ZIA, ZPA, and Zero Trust concepts, with expertise in troubleshooting endpoints, networks, and identity flows. Proficiency in ITSM tools like ServiceNow and experience with IdP integrations is essential.

What they're looking for

Zscaler Internet Access (ZIA)Zscaler Private Access (ZPA)Secure Access Service Edge (SASE)Zero TrustIncident ManagementChange ManagementSAML/SSODNS

Frequently asked questions

What does a Cross Technology Managed Services Engineer (L3) at NTT Ltd. do?

Manage day-to-day operations and L3 troubleshooting for Zscaler ZIA and ZPA services to ensure secure user connectivity. Responsible for policy administration, forwarding architecture maintenance, and integration with identity and security tools. Requires strong working knowledge of ZIA, ZPA, and Ze…

What skills does this Cross Technology Managed Services Engineer (L3) role need?

Key skills for this role include Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), Secure Access Service Edge (SASE), Zero Trust, Incident Management, Change Management.

How much does a Cross Technology Managed Services Engineer (L3) at NTT Ltd. pay?

The employer did not list a salary for this role. Most similar Singapore roles publish their band on the job page.

Is this Cross Technology Managed Services Engineer (L3) role remote, hybrid, or on-site?

This role is hybrid, based in Singapore.

How do I apply for this Cross Technology Managed Services Engineer (L3) role?

You can apply directly on NTT Ltd.'s careers page. ApplyLah can tailor your résumé and cover letter to this exact role in seconds first.