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Cozzera
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Database Administrator

Database Administrator

Cozzera

10 years

0 Lacs

hyderabad telangana india

Posted:9 hours ago| Platform:

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Skills Required

database oracle mongodb sql nosql tuning automation mysql mariadb aws installation configuration patching indexing sharding replication clustering failover versioning docker automate ansible terraform monitoring constraints kafka redis rabbitmq security encryption auditing compliance documentation architecture engineering linux scripting communication troubleshooting certifications azure management

Work Mode

On-site

Job Type

Full Time

Job Description

Job Title:

Experience:

Location:

About the Role

Database SME (Oracle + MongoDB/MariaDB)

Key Responsibilities

Database Administration & Optimization

Administer
Oracle DBA
, MySQL, MariaDB, MongoDB, and AWS RDS environments.
Handle installation, configuration, patching, upgrades, and version migration.
Optimize performance including slow queries, indexing, sharding, replication tuning, and resource usage.

High Availability & Recovery

Set up and manage
clustering, replication, failover, multi-region DR
, and backups.
Ensure HA using Oracle RAC, MongoDB ReplicaSets, MariaDB Galera clusters, etc.

Automation & DevOps

Implement schema versioning automation using
Liquibase
.
Deploy and manage DB workloads in
Docker/Kubernetes
.
Automate operations through
Ansible, Terraform, and CI/CD pipelines
.

Monitoring & Troubleshooting

Monitor using
New Relic, Grafana, Prometheus, CloudWatch
, and APM tools.
Troubleshoot replication failures, bottlenecks, memory issues, IOPS constraints, connection pool saturation, etc.

Distributed Systems Integration

Integrate DB systems with
Kafka, Redis, RabbitMQ, ETCD, Elastic Cache
.
Work in real-time, high-throughput systems typical in telecom domains.

Security & Compliance

Implement RBAC, encryption, auditing, TLS certificates, password rotation, compliance controls.

Operational Support

Participate in
24x7 on-call
rotation for critical incidents.
Create documentation, dashboards, SOPs, and architecture diagrams.

Requirements

10+ years
of expertise in database engineering and administration.
Deep experience with
Oracle DBA
(mandatory) +
MongoDB or MariaDB
(mandatory).
Strong understanding of SQL, NoSQL, replication, and performance tuning.
Strong Linux systems expertise.
Proficiency in scripting languages:
Shell, Python
.
Experience with
CI/CD
, containerized databases, and infra automation.
Excellent communication and troubleshooting abilities.

Nice to Have

Experience with
Elastic Stack
, Kafka pipelines, or internal tooling.
Cloud certifications (AWS/Azure/GCP).
Experience building automated database management tools.

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