AT&T este o companie de telecomunicații și tehnologie care oferă servicii de comunicații mobile, internet și fibră optică pentru consumatori, companii și organizații din sectorul public. Activitatea sa acoperă inovarea rețelelor, inclusiv colaborări axate pe Open RAN, precum și conectivitate pentru siguranța publică prin FirstNet, recuperare în urma dezastrelor, dispozitive pentru consumatori și protecția datelor. Compania pune, de asemenea, accent pe sustenabilitate, incluziune culturală, responsabilitate corporativă și politici publice. Cu o forță de muncă numeroasă și o istorie îndelungată de activitate, AT&T oferă oportunități de carieră legate de infrastructura comunicațiilor, tehnologia digitală, serviciile pentru clienți și inovarea responsabilă.
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.
Descriere
- 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.
Cerințe
- 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.
Beneficii
- 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.