Subject Matter Expert (Support&Ops)
India
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Job Description
Subject Matter Expert (Support&Ops)
Others, Tamil Nadu

Job Summary

L3 Oracle DBA An L3 Oracle Database Administrator is a senior-level professional responsible for maintaining, optimizing, and securing Oracle databases, providing expert-level support, mentoring teams, and ensuring high availability, disaster recovery, and performance across complex database environments. Key Responsibilities Database Administration & Maintenance: Install, configure, upgrade, and maintain Oracle databases (10g, 11g, 12c, 18c, 19c) across Unix/Linux and Windows environments. High Availability & Disaster Recovery: Configure Oracle RAC clusters, Data Guard, Grid Control, and implement backup/restore procedures using RMAN to ensure minimal downtime. Performance Tuning & Optimization: Monitor and tune database performance, perform SQL and system-level optimizations, conduct capacity planning, and manage table/index reorganization. Security & Standards Compliance: Implement and maintain security patches, configure user roles, and enforce corporate DBMS security policies. Technical Leadership & Support: Provide 2nd and 3rd level support, guide development teams on database best practices, and participate in design discussions for new or upgraded applications. Documentation & Procedures: Develop and maintain operational manuals, disaster recovery plans, and database architectural documents. Cross-Technology Expertise: Support additional database technologies like MSSQL, DB2, or Sybase, and administer applications integrated with database systems (Weblogic, OBIEE, Tableau, Informatica) if applicable. Mentoring & Team Management: Lead junior DBAs, provide status updates to management, and ensure adherence to service level agreements (SLA).

Key Responsibilities

L3 Oracle DBA An L3 Oracle Database Administrator is a senior-level professional responsible for maintaining, optimizing, and securing Oracle databases, providing expert-level support, mentoring teams, and ensuring high availability, disaster recovery, and performance across complex database environments. Key Responsibilities Database Administration & Maintenance: Install, configure, upgrade, and maintain Oracle databases (10g, 11g, 12c, 18c, 19c) across Unix/Linux and Windows environments. High Availability & Disaster Recovery: Configure Oracle RAC clusters, Data Guard, Grid Control, and implement backup/restore procedures using RMAN to ensure minimal downtime. Performance Tuning & Optimization: Monitor and tune database performance, perform SQL and system-level optimizations, conduct capacity planning, and manage table/index reorganization. Security & Standards Compliance: Implement and maintain security patches, configure user roles, and enforce corporate DBMS security policies. Technical Leadership & Support: Provide 2nd and 3rd level support, guide development teams on database best practices, and participate in design discussions for new or upgraded applications. Documentation & Procedures: Develop and maintain operational manuals, disaster recovery plans, and database architectural documents. Cross-Technology Expertise: Support additional database technologies like MSSQL, DB2, or Sybase, and administer applications integrated with database systems (Weblogic, OBIEE, Tableau, Informatica) if applicable. Mentoring & Team Management: Lead junior DBAs, provide status updates to management, and ensure adherence to service level agreements (SLA).

Skill Requirements

L3 Oracle DBA An L3 Oracle Database Administrator is a senior-level professional responsible for maintaining, optimizing, and securing Oracle databases, providing expert-level support, mentoring teams, and ensuring high availability, disaster recovery, and performance across complex database environments. Key Responsibilities Database Administration & Maintenance: Install, configure, upgrade, and maintain Oracle databases (10g, 11g, 12c, 18c, 19c) across Unix/Linux and Windows environments. High Availability & Disaster Recovery: Configure Oracle RAC clusters, Data Guard, Grid Control, and implement backup/restore procedures using RMAN to ensure minimal downtime. Performance Tuning & Optimization: Monitor and tune database performance, perform SQL and system-level optimizations, conduct capacity planning, and manage table/index reorganization. Security & Standards Compliance: Implement and maintain security patches, configure user roles, and enforce corporate DBMS security policies. Technical Leadership & Support: Provide 2nd and 3rd level support, guide development teams on database best practices, and participate in design discussions for new or upgraded applications. Documentation & Procedures: Develop and maintain operational manuals, disaster recovery plans, and database architectural documents. Cross-Technology Expertise: Support additional database technologies like MSSQL, DB2, or Sybase, and administer applications integrated with database systems (Weblogic, OBIEE, Tableau, Informatica) if applicable. Mentoring & Team Management: Lead junior DBAs, provide status updates to management, and ensure adherence to service level agreements (SLA).

Other Requirements

L3 Oracle DBA An L3 Oracle Database Administrator is a senior-level professional responsible for maintaining, optimizing, and securing Oracle databases, providing expert-level support, mentoring teams, and ensuring high availability, disaster recovery, and performance across complex database environments. Key Responsibilities Database Administration & Maintenance: Install, configure, upgrade, and maintain Oracle databases (10g, 11g, 12c, 18c, 19c) across Unix/Linux and Windows environments. High Availability & Disaster Recovery: Configure Oracle RAC clusters, Data Guard, Grid Control, and implement backup/restore procedures using RMAN to ensure minimal downtime. Performance Tuning & Optimization: Monitor and tune database performance, perform SQL and system-level optimizations, conduct capacity planning, and manage table/index reorganization. Security & Standards Compliance: Implement and maintain security patches, configure user roles, and enforce corporate DBMS security policies. Technical Leadership & Support: Provide 2nd and 3rd level support, guide development teams on database best practices, and participate in design discussions for new or upgraded applications. Documentation & Procedures: Develop and maintain operational manuals, disaster recovery plans, and database architectural documents. Cross-Technology Expertise: Support additional database technologies like MSSQL, DB2, or Sybase, and administer applications integrated with database systems (Weblogic, OBIEE, Tableau, Informatica) if applicable. Mentoring & Team Management: Lead junior DBAs, provide status updates to management, and ensure adherence to service level agreements (SLA).
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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 226,300 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 December 2025 totaled $14.5 billion.
23 Benefits At HCLTech, we believe in empowering our employees with comprehensive benefits that support their professional growth and enhance their well-being. When you sign up for a career with us, you gain access to: https://rmkcdn.successfactors.com/147eb21f/a701dca9-f32d-4fc9-9447-6.svg Industry-benchmarked compensation https://rmkcdn.successfactors.com/147eb21f/b0c54381-ddcc-4a33-9b35-9.svg Best-in-class healthcare benefits https://rmkcdn.successfactors.com/147eb21f/b73027be-7aae-4d36-a090-4.svg Personal time off https://rmkcdn.successfactors.com/147eb21f/d5b4fdfd-2e99-4e26-9878-9.svg Maternity and paternity benefits https://rmkcdn.successfactors.com/147eb21f/3d42b0fc-4652-435a-9ece-c.svg Access to skills / higher education programs/resources https://rmkcdn.successfactors.com/147eb21f/aeddeaf2-9e25-4584-ad11-d.svg Discounts on products and services via Benefit Box https://rmkcdn.successfactors.com/147eb21f/a9609a3b-2700-4b3c-9d90-a.svg Participate in CSR programs and live life with a purpose https://rmkcdn.successfactors.com/147eb21f/c6e33851-710f-4634-bd69-f.svg Opportunities to grow and advance your career Note: The benefits listed above vary depending on the nature of your employment and the country where you work. Some benefits may be available in some countries but not in all.