AT&T is a telecommunications and technology company serving consumers, businesses, and public-sector organizations through wireless, internet, and fiber services. Its work spans network innovation, including collaborations focused on Open RAN, as well as FirstNet public-safety connectivity, disaster recovery, consumer devices, and data privacy. The company also emphasizes sustainability, cultural inclusion, corporate responsibility, and public policy. With a large workforce and a long operating history, AT&T offers career opportunities connected to communications infrastructure, digital technology, customer services, and responsible innovation.
Senior Database Administrator – Hyderabad, India
Manage AT&T’s PostgreSQL, Oracle, SQL Server, and MySQL environments, supporting high availability and cloud databases. Own database security, automation, and round-the-clock operations.
Description
- Maintain enterprise PostgreSQL, Oracle, SQL Server, and MySQL platforms through installation, configuration, patching, upgrades, and ongoing administration.
- Handle backups, recovery, restore validation, and capacity planning.
- Monitor performance, troubleshoot database issues, and apply tuning and optimization.
- Design and operate high-availability and disaster-recovery solutions, including replication and failover.
- Manage database security controls such as access, encryption, auditing, and compliance support.
- Administer cloud database environments on Azure and AWS.
- Create and maintain scripts to automate database operations, monitoring, maintenance, and deployment.
- Provide 24/7 on-call coverage and take part in incident, change, and problem management.
- Remediate vulnerabilities, harden configurations, and advance compliance initiatives.
Requirements
- At least 10 years of hands-on database administration experience.
- Strong background administering Oracle, PostgreSQL, and SQL Server in highly available environments.
- Strong SQL, index, and query optimization skills, including performance tuning.
- Strong troubleshooting and incident management abilities.
- Experience managing active-active GoldenGate replication across multiple data centers.
- Experience with PostgreSQL, SQL Server, Oracle, and MySQL.
- Experience with Microsoft Azure and Amazon Web Services (AWS).
- Experience using database administration tools such as pgAdmin, SSMS, DBeaver, Toad, MySQL Workbench, Oracle Enterprise Manager (OEM), and GGSCI.
- Knowledge of high-availability and disaster-recovery technologies, including Oracle Active Data Guard, SQL Server Always On, PostgreSQL Streaming Replication, and MySQL Replication.
- Knowledge of replication and data integration technologies, including Oracle GoldenGate, SQL Server Replication, PostgreSQL Logical Replication, and MySQL Binary Log Replication.
- Knowledge of Oracle Data Guard with GDS-integrated architectures, partitioning, connection pooling, read replicas, and sharding concepts.
- Knowledge of monitoring and performance tools, including Oracle AWR, ASH, ADDM, OEM, SQL Trace, TKPROF, EXPLAIN PLAN, PostgreSQL EXPLAIN and EXPLAIN ANALYZE, vacuum, pg_stat_statements, auto_explain, pgBadger, Azure monitoring, Grafana, SQL Server Query Store, SQL Profiler, Extended Events, Database Engine Tuning Advisor, and MySQL EXPLAIN.
- Knowledge of role-based access control, auditing, encryption, privileged access controls, and authentication integration.
- Knowledge of scripting with Shell, Python, PowerShell, SQL, and Bash.
- Knowledge of Oracle RMAN, Data Pump, pg_dump, pg_restore, mysqldump, MySQL Enterprise Backup, and SQL Server Backup and Restore.
- Experience with Linux and Windows.
- Preferred: experience with managed cloud database services.
- Preferred: hands-on automation experience with Python, Shell, or PowerShell.
- Preferred: relevant Oracle, Microsoft, or AWS certifications.
Benefits
- Participation in 24/7 on-call support.
- Equal employment opportunity.
- Reasonable accommodations for qualified individuals with disabilities.
- Fair chance hiring, with background checks beginning after an offer is made.