CHENNAI · FULLTIME
Manager - Cloud Operations
Tata Communications
Chennai · onsite · Posted 29d ago
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Undisclosed10–15 yrsfulltimeChennai
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Section · 01
About this role
Job Summary
OpensourceDBA (L3 Level Support)
Primary MySQL DB Support- 10+ years of experience as a MySQL DBA (as primary)
- Secondary database knowledge of Postgres database preferred
- A good knowledge of MySQL database replication
- Sound knowledge on MySQL InnoDB cluster configuration/troubleshooting
- Sound knowledge on Percona Tools / cluster configurations and troubleshooting
- Sound knowledge on MEM and MEB
- Optimize MySQL database performance
- Responsible for database integrity, security
- Sound knowledge in MySQL backup and Recovery
- Responsible for MySQL DB build, HA Build and Replication configurations
- Estimate MySQL database capacities; develop methods for monitoring database capacity and usage
- Establish mechanisms for data backup/restore of relational databases provide restoration services as needed
- Develop and optimize physical design of MySQL database systems
- Develop application-specific fault-tolerant distributed database mechanisms
- Knowledge of MongoDB or MariaDB or PostgreSQL would be plus
- Able to prioritize and execute tasks in a high-pressure environment
- Experience working in a team-oriented, collaborative environment
- Good written and oral communication skills
- MySQL cluster technologies experience is also preferred
- Installing and Configuring PostgreSQL from source or packages on Linux machines.
- Tuning autovacuum parameters to ensure up to date table stats and reclaim space consumed by dead tuples
- Implementing backup and recovery (Logical and Online).
- Setup and maintenance of postgres master-slave clusters utilizing streaming replication (BDR)
- Performing schema management, database sizing, maintaining privileges.
- Data migration while upgrading database versions.
- Extensive experience with Warm Standby (PostgreSQL 9.x and later), and Hot Standby (PostgreSQL 9.x and greater).
- Performance monitoring and optimization
- Installing and configuring Object level replication like Slony etc.
- Installing and configuring connection pooling tools like Pgbouncer and pgpool etc.
- Configuring log analyzation tools like pgtune and pgbadger etc.
- Removing the Index bloat Concurrently to improve the performance.
- Scheduled maintenance activities to vacuum, analyse to improve the query response time.
- Maintaining custom vacuum strategies at table and db level.
- DB optimization and troubleshooting
- Bachelors/Maters degree (BSc/BE/BTech)(MCA/MSc/MS/MTech)
- MySQL Administrator Certified (Preferred)
- ITIL (desirable)
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Section · 02
Skills
Mysql DatabaseCloud OperationsPostgresqlphysical designdata backupdbabackup and recoveryPerformance monitoringMongoDBMySQLData MigrationcloudCommunication SkillsoperationsmaintenanceLinux
Section · Company
About Tata Communications

Tata Communications
Telecom
5.9k+
employees
1986
40 years old
Mumbai, Maharashtra
India
About
Tata Communications facilitates digital transformation for enterprises worldwide, enhancing connectivity, cloud solutions, and operational efficiency through advanced services.
Industries
Telecom
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4,031 reviews
3.9/ 5
Culture
3.8
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3.0
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3.9
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