Senior Oracle Administrator Oracle Administration,PostgreSQL,MYSQL, MS SQL

Job description

Database Administrator / Engineer (L2) with 6+ years of experience in enterprise database administration and production support across relational and NoSQL database platforms. Responsible for administration, monitoring, performance tuning, backup/recovery, patching, incident resolution, access management, and operational support of Oracle, PostgreSQL, Amazon Aurora, MongoDB, and Amazon DynamoDB environments across on-premises and cloud infrastructure. Key Responsibilities Administer and support Oracle, PostgreSQL, Amazon Aurora, MongoDB, and DynamoDB database environments. Monitor database availability, health, performance, capacity, and resource utilization. Perform database installation, configuration, patching, upgrades, and maintenance activities. Troubleshoot database connectivity, performance, locking, query, storage, and availability issues. Perform backup, restore, recovery, and database refresh/clone activities. Support database High Availability (HA), replication, and Disaster Recovery (DR) operations. Perform SQL/query performance analysis, indexing, and database performance tuning. Manage database users, roles, privileges, and access in accordance with security requirements. Support AWS managed database services, including Aurora and DynamoDB. Support database migrations, maintenance activities, and approved production changes. Perform database capacity monitoring and proactively identify utilization or performance issues. Support vulnerability remediation, database patching, and security-hardening activities. Handle L2 incidents, service requests, problems, and changes within defined SLAs. Coordinate with Application, Cloud, Infrastructure, Cybersecurity, and Development teams. Maintain SOPs, operational runbooks, configuration documentation, and knowledge articles. Skill Requirements Strong hands-on experience in Database Administration and Production Support. Experience administering Oracle and PostgreSQL databases. Hands-on knowledge of Amazon Aurora (PostgreSQL/MySQL compatible) and AWS database services. Experience supporting MongoDB databases and NoSQL environments. Working knowledge of Amazon DynamoDB administration and monitoring. Strong knowledge of SQL, query analysis, indexing, and performance tuning. Experience with database backup, recovery, replication, HA, and DR. Understanding of database security, user/role administration, and access controls. Knowledge of Linux/Unix environments and Shell scripting. Experience with database monitoring and performance-management tools. Knowledge of AWS cloud infrastructure and database connectivity. Familiarity with scripting/automation using Python, Shell, Ansible, or equivalent tools. Knowledge of Incident, Problem, Change, and Release Management processes. Strong troubleshooting, analytical, documentation, and communication skills. Relevant Oracle, PostgreSQL, MongoDB, or AWS certifications preferred. Other Requirements Apply now 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 230,000 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 September 2026 totaled $14.8 billion. Disclaimer Privacy Statement Terms of use Sitemap Raise a Grievance We use cookies on our site. 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