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Sr Administrator (Support & Operations)

India

Job Description

Sr Administrator (Support & Operations)

Chennai, Tamil Nadu

Job Summary

- Implementing and maintaining OCI WAF, OCI Firewall & OCI CloudGuard.
- Provisioning WAF for custom applications, based on consultation with customer.
- Providing on-going support & Troubleshooting infrastructure problems on WAF, Firewall & CloudGuard.
- Troubleshooting firewall & WAF related problems as reported by customers.
- Minimum of 5 years of experience in designing, implementing, and/or assessing Oracle Cloud security and SOD controls related to multiple versions of the Oracle Cloud application product suite.
- Regularly review and refine security configurations, staying abreast of Oracle's product roadmaps, especially concerning security enhancements.

Key Responsibilities

The key responsibility is to manage and administrate core security components like Firewalls, Cloudguard and Proxy solution. Monitoring of all services is important to ensure all services are up and running. Faster troubleshooting skill to analyze and provide fix at the earliest to user reported incidents.

Skill Requirements

- Experience with OCI native Firewall & OCI WAF, such as Policy administration, NAT implementation & DMZ management.
- Ensure all network security rules are configured according to least privileged access and best practices following standards. Access controls and firewall rulesets must be in place to ensure that users and Services only have access to the Networks they are authorized to use.
- Remediation of network security compliance reports generated daily, including the deviation of security standards configurations on a global scale.
- Performing device replacements and firmware upgrades when required as part of troubleshooting.




- Troubleshooting customer authentication incidents mostly related to WAF/Firewall & Cloud guard.
- Deployment of network firewall in production setting.
- Monitoring performance and availability of firewall devices using Customer Network Monitoring Tools
- Advise Web/App Developer to customize website to eliminate/avoid repeated learnings

Other Requirements

Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.

Copyright © 2026 HCL Technologies Limited

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📌 Sr Administrator (Support & Operations) (India)
🏢 HCLTech
📍 India