Network Security Engineer - Zscaler

TCS is Hiring ZScaler For Noida location

Experience : 4 - 12 years

Mode of interview: Walkin

Location : Noida

Please apply only if you can attend a in person drive at TCS NOIDAoffice on 22nd February 2025 (Saturday).

JOB DESCRIPTION:

Must have:

• Maintain Content Filtering / Proxy configurations
• Implement, Test and Validate Content Filtering configuration changes.
• Perform testing of necessary web filtering policies.
• Troubleshoot Content Filtering/ Proxy policy configurations.
• Provide web filtering reports when requested through Service Management
• Submit Service Management requests for blacklisting/ whitelisting or modifying web filtering policies.
• Processes request(s) tickets that are assigned to the content filtering support groups in Service Management.
• Resolve incident ticket(s) to restore service within specified Service Level Agreements (SLAs).
• Work on action tasks for Problem Management process.
• Implement configuration and system changes following Service Management change management process.
• Provide and maintain documentation for Web content filtering services.
• Manage the Zscaler Internet Access minor and major patches by working closely with Zscalar team who will be applying patches on Zscalar cloud based ZIA
• ZPA
• Daily review of Client ZPA dashboard
• Review Dashboard for errors and issues
• Log tickets for unexpected errors as they may be symptoms of larger errors (i.e. a server is down)
• Provide checks in dashboard to monitor for discovered servers
• Ensure log are forwarded to Client SIEM
• Monitor for unexpected blocks and errors
• Monitor for connector usage (500mps/connector)
• Review access related tickets from end users
• Assist in implementing micro-segmentation of policy
• Ensure that Connectors update every week, primary then secondary by working closely with Zscaler
• Confirm connectors are receiving update as scheduled (ZPA connector dashboard) by following up with Zscaler
• Consider restarting any connectors stuck in update process or not updating
• Monitor for individual connectors not updating
• Check release notes of new Zapp versions for impact on ZIA
• Review logs with internal security team
• Deploy Posture Profiles to limit who can access ZPA
• Checking Zapp version and policy assignments
• Checking ruleset for traffic blocks
• Daily review of Client Zapp dashboard for new versions
• Log tickets for unexpected errors as they may be symptoms of larger errors (i.e. a server is down) with Zscaler
• Assign users to be added to different group policies including the pilot user test group for Zapp
• Consider updating to the latest Zapp version at least bi-annually by working closely with Zscalar to do the upgrade

Good to have:

• Good interpersonal skills in managing client.
• Good coordination with client & offshore team.
• Team spirit
• Good written skills
• Good problem-solving techniques
• Ability to work with little to no supervision