Database Lead

3 days ago

Chennai, Tamil Nadu, India Tata Consultancy Services (TCS) Full time ₹ 12,00,000 - ₹ 36,00,000 per year

1

ORACL DBA & RAC

Expert Troubleshooting & Resolution: Act as the final escalation point (L3/L4) for all

critical, complex, and high-impact production issues related to Oracle Database, Oracle

RAC, ASM, and Data Guard. Perform root cause analysis (RCA) and implement

permanent solutions.

  • High Availability & Disaster Recovery (HA/DR):

  • Design, implement, and manage complex HA/DR solutions using Oracle RAC,

Data Guard (Physical and Logical), and Active Data Guard.

  • Perform multi-node cluster configuration, maintenance, and advanced

troubleshooting for Oracle RAC.

  • Lead disaster recovery planning, testing, and execution.

  • Performance Tuning & Optimization:

  • Perform advanced SQL and PL/SQL tuning, query optimization, and

application-level performance analysis.

  • Proactively monitor and tune database parameters, memory structures (SGA/PGA),

and I/O to ensure peak performance for VLDBs (Ver y Large Databases).

  • Utilize tools like AWR, ASH, and OEM for in-depth performance diagnostics.

  • Database Management & Strategy:

  • Lead major database upgrade and migration projects (e.g., cross-platform,

version upgrades).

  • Develop and enforce database security policies (e.g., encryption, auditing,

user/role management).

  • Design and implement capacity planning and storage strategies for future growth.

  • Mentorship & Automation: Mentor L1/L2 DBA teams. Drive the automation of complex

and routine DBA tasks using scripting (Shell, Python, Ansible) and Oracle management

tools.

  • Architecture & Design: Collaborate with Solution Architects and Development teams on

new database deployments and architectural standards.

2

SQL DBA, MSSQL

High Availability & Disaster Recovery (HA/DR):

  • Design, configure, and manage high-end HA/DR solutions, including Always On

Availability Groups (AGs), Failover Cluster Instances (FCIs), Replication, and

Log Shipping.

  • Expertly troubleshoot complex AG and FCI failovers, synchronization issues, and

network dependencies.

  • Performance & Query Optimization:

  • Perform deep-dive performance analysis, including analyzing execution plans,

identifying bottlenecks, and optimizing highly complex T-SQL queries and stored

procedures.

  • Manage and optimize indexes, statistics, and buffer pool configurations.

  • Tune SSIS packages and SSRS reports for efficiency.

  • Database Strategy & Security:

  • Plan and execute major SQL Server upgrades, patching, and migrations (cloud

and on-premise).

  • Implement and audit security controls, including encryption (TDE), authentication

modes, and granular permission management.

  • Develop and maintain standards for database design and configuration hardening.

  • Automation & Scripting: Develop advanced PowerShell and/or Python scripts to

automate monitoring, maintenance, capacity reporting, and patching processes.

  • Cross-Functional Leadership: Partner with infrastructure, development, and application

teams to define database standards, provide technical guidance, and ensure optimal

resource utilization.

Location

Chennai

Job Function

TECHNOLOGY

Role

Lead

Job Id

380512

Desired Skills

MS SQL Server | Oracle | PostgreSQL | My SQL DBA

Desired Candidate Profile

Qualifications : BACHELOR OF ENGINEERING

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