About this role
Job Title: Sr Specialist Database Administration Experience: 8–15+ Years Location: Hyderabad / Bangalore Job Summary We are seeking an experienced Senior Database Administrator (DBA) to manage and support mission-critical Oracle database environments across Production, Disaster Recovery, and Non-Production platforms. The ideal candidate will possess deep expertise in Oracle Database Administration, Performance Tuning, High Availability, Backup & Recovery, Security Compliance, and Database Modernization initiatives. Having experience in PostgreSQL and Snowflake will be added advantage. The role requires hands-on experience with Oracle RAC, Data Guard, GoldenGate, RMAN, Oracle Enterprise Manager, and cloud-based database deployments. The candidate will work closely with application, infrastructure, security, and development teams to ensure database reliability, scalability, performance, and compliance. Key Responsibilities Database Administration
• Install, configure, upgrade, patch, and maintain Oracle databases (11g/12c/19c/23ai). • Manage Oracle RAC, ASM, CDB/PDB, and Enterprise Database environments. • Perform database provisioning, cloning, refreshes, migrations, and capacity planning. • Ensure 24x7 database availability and production support. Performance & Optimization
• Monitor and optimize database performance using: • AWR • ASH • ADDM • SQL Tuning Advisor • SQL Profiles
• Analyze execution plans and troubleshoot performance bottlenecks. • Optimize SQL, PL/SQL, indexes, partitioning, and storage structures. High Availability & Disaster Recovery
• Administer Oracle Data Guard environments. • Manage Oracle GoldenGate replication and troubleshoot replication issues. • Execute disaster recovery exercises and validate recovery procedures. • Maintain defined RTO and RPO objectives. Backup & Recovery
• Design and manage RMAN backup and recovery strategies. • Perform database recovery testing and restore validations. • Ensure backup compliance and retention standards. Security & Compliance
• Implement Oracle database security best practices. • Support vulnerability remediation and database patching activities. • Manage database access controls, encryption, password policies, and auditing. • Support SOX, PCI, RIM, CCDR, and other compliance requirements. Automation & DevOps
• Develop automation scripts using Shell, Python, SQL, and PL/SQL. • Support CI/CD database deployments and release activities. • Automate monitoring, reporting, health checks, and maintenance tasks. • Partner with DevOps teams for infrastructure and deployment automation. Production Support
• Participate in on-call support rotation. • Troubleshoot critical production incidents and perform root cause analysis. • Support major releases, migrations, and infrastructure modernization initiatives.
Required Skills: PostgreSQL
• PostgreSQL 12+ • Streaming Replication • Logical Replication • pgAdmin • pgBackRest • Performance Tuning • Partitioning • High Availability Solutions
Snowflake
• Snowflake Architecture • Virtual Warehouses • Snowpipe • Time Travel • Zero Copy Cloning • Secure Data Sharing • RBAC & Security • SnowSQL • Cost & Performance Optimization
Oracle Technologies
• Oracle Database Administration (11g/12c/19c/23ai) • Oracle RAC • ASM • Data Guard • RMAN • GoldenGate • Multitenant Architecture (CDB/PDB) • Oracle Enterprise Manager (OEM) Performance Tuning
• SQL Tuning • PL/SQL Optimization • AWR/ASH/ADDM Analysis • SQL Profiles and Execution Plans • Database Capacity Planning Operating Systems
• Linux (RHEL / Oracle Linux) • Unix Shell Scripting Scripting & Automation
• Shell Scripting • Python • SQL / PL/SQL Cloud Platforms (Preferred)
• Oracle Cloud Infrastructure (OCI) • Microsoft Azure • AWS Tools
• GitHub/Git • Control-M • ServiceNow • Jira • Monitoring and Automation Platforms Preferred Qualifications
• Oracle Certified Professional (OCP) • Oracle RAC and Data Guard Certifications • Cloud Certifications (OCI/Azure/AWS) • ITIL Foundation Certification Soft Skills
• Strong analytical and troubleshooting skills • Excellent communication and stakeholder management • Ability to handle multiple priorities in a fast-paced environment • Experience leading critical incidents and mentoring junior DBAs Nice to Have
• Exadata Administration • Database Migration Projects • Kubernetes / Containers Exposure • PostgreSQL or SQL Server Administration • AI-assisted Database Operations and Automation
Executive Hiring Summary Seeking a senior Oracle DBA with strong expertise in Oracle RAC, Data Guard, GoldenGate, RMAN, Performance Tuning, Security Compliance, Automation, and Cloud Database Platforms to support enterprise-scale mission-critical database environments and drive database modernization initiatives. Having experience in PostgreSQL and Snowflake will be added advantage.
Weekly Hours: 40 Time Type: Regular Location: IND:AP:Hyderabad / Argus Bldg 4f & 5f, Sattva, Knowledge City- Adm: Argus Building, Sattva, Knowledge City It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.