SME Database Administrator

2 days ago

Hyderabad, Telangana, India Cozzera Full time ₹ 12,00,000 - ₹ 36,00,000 per year

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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