SME Database AdministratorCozzera • Delhi, India

SME Database Administrator

Cozzera • Delhi, India

7 days ago

Job description

Job Title : SME Database Administrator

Experience : 10+ Years

Location : Onsite – Hyderabad

About the Role

We are seeking an experienced Database SME (Oracle + MongoDB / MariaDB) with deep expertise in administering mission-critical, high-volume, distributed database environments—ideally in the telecom domain. This role requires mastery of SQL / NoSQL systems, performance tuning, automation, and building highly available architectures across hybrid or cloud-native infrastructures.

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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Database Administrator • Delhi, India

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