Wamik Khan

AWS Certified Data Engineer and Oracle Database Administrator with hands-on production experience supporting Oracle RDBMS 11g/12c/19c environments on Linux (RHEL) and Windows at Tata Consultancy Services. Proficient in the full lifecycle of Oracle DBA operations — installation, configuration, migration, cloning, backup and recovery using RMAN and Data Pump, space and user management, performance tuning, security patching, and DR drill execution. Experienced in ITIL-aligned incident and change management processes, event and alert monitoring, and cross-team collaboration to maintain high availability of business-critical database environments.

Adaptable to 24x7 shift support with strong written and verbal English communication skills and a growth-oriented, customer-focused mindset aligned with Kyndryl's culture.

Oracle Database Administrator - Tata Consultancy Services (TCS) - Mumbai, India

(2025-02)

Support Oracle 19c production database environments on Linux (RHEL) — performing database administration tasks independently including installation, configuration, migration, cloning, and lifecycle management (creation, setup, and decommissioning) across development and production environments for banking application support.

• Define, implement, and support database backup and recovery policies using RMAN — executing full, incremental, and archivelog backups, performing database restoration and point-in-time recovery in event of failures, conducting DR drills, and maintaining backup/recovery documentation aligned with business continuity requirements.
• Perform event and alert monitoring, space management, and user management — monitoring database health via OEM/Cloud Control and alert logs, responding to incidents within SLA timelines, managing tablespace utilisation, and administering user roles, privileges, and security configurations.
• Manage and coordinate software upgrades, patches, and hotfixes using OPatch/PSU/RU under change control — implementing security best practices including SSL/TLS listener hardening, auditing, and access controls, and participating in internal compliance audits to showcase IT compliance status.
• Perform performance tuning using AWR/ASH/ADDM and execution plan analysis — identifying bottlenecks, optimising slow-running queries, conducting capacity planning and growth projections, and collaborating with application, infrastructure, and DevOps teams following ITIL incident/change/problem management processes.

Bachelor of Engineering - Computer Science - Sant Gadge Baba Amravati University (2020 - 2024)