Database Administrator, Solapur

About Telna Telna provides Mobile Network Operators (MNOs), Communication Service Providers (CSPs), and Original Equipment Manufacturers (OEMs) with a fully managed global cellular connectivity platform. With access to the largest 2G–5G and LTE-M coverage from over 800 radio network operators—300 of which are direct partners—across 200 countries, Telna empowers seamless, high-performance connectivity worldwide.Our global multi-network connectivity platform simplifies integration, offering localized break-out capabilities via cloud infrastructure. With a single integration into Telna’s platform, millions of devices are powered by resilient, multi-network connectivity—enabling a wide array of innovative cloud-based solutions.———————————————————— Position Overview Telna is seeking a skilled and experienced Database Administrator (DBA) to join our team. In this role, you will be responsible for the end-to-end lifecycle management of our heterogeneous database environment — spanning relational, document, wide-column, search, and in-memory data stores. You will play a pivotal role in ensuring the reliability, performance, and security of mission-critical systems that support millions of telecom subscribers.Beyond day-to-day operations, you will act as a trusted technical advisor to our software engineering teams, guiding schema design decisions that maximize query efficiency, scalability, and long-term maintainability across our data platforms.————————————————————Key Responsibilities Installation&Configuration - Install, configure and upgrade database systems across all supported platforms (MongoDB, ScyllaDB, Apache Solr, and others). - Setup and manage database clusters, replication topologies, and high-availability configurations appropriate to each platform. - Define and enforce standardized installation procedures, naming conventions, and configuration baselines.- Configure authentication, authorization, and role-based access control (RBAC) across all database instances. Maintenance&Operations - Monitor database health, performance metrics, capacity utilization, and availability using dedicated observability tooling. - Apply patches, version upgrades, and security fixes in line with change management policies and maintenance windows. - Implement, test, and maintain backup and disaster recovery (DR) strategies to meet defined RPO/RTO SLAs.- Manage database storage allocation, index maintenance, and compaction/defragmentation routines. - Investigate and resolve incidents including performance degradation, replication lag, node failures, and data inconsistencies. - Maintain detailed runbooks and operational documentation for all managed database platforms.Performance Tuning&Optimization - Continuously profile and tune database performance— including query plans, index strategies, memory settings, and I/O throughput. - Identify and resolve slow queries, hot partitions, and resource contention issues. - Design and implement caching layers and eviction policies in Redis to optimize application response times.- Tune Solr core configurations, analyzers, and query handlers to maximize search relevance and throughput. Developer Consulting&Schema Advisory - Partner with software engineering and architecture teams during system design and sprint planning to provide expert guidance on data modeling and schema design. - Advise on optimal data structures, collection/table/keyspace design, and access patterns for each database technology.- Conduct formal design reviews and provide written recommendations before new schemas are deployed to production. - Develop and maintain internal best-practice documentation, guidelines, and schema templates for each platform. Security&Compliance - Enforce data security policies including encryption at rest and in transit, auditing, and access logging. - Perform periodic access reviews and revoke unnecessary privileges in accordance with the principle of least privilege. - Ensure compliance with relevant data protection regulations (e.g., GDPR, local telecom data regulations) and internal security standards.- Participate in security audits and remediate identified vulnerabilities in a timely manner. Required Qualifications - Bachelor’s degree in Computer Science, Information Technology, or a related technical discipline (or equivalent practical experience). - 5+ years of professional experience as a Database Administrator or Database Engineer in a production environment.- Hands-on expertise with MongoDB— including replica sets, sharding, aggregation framework, and index management. - Hands-on expertise with ScyllaDB or Apache Cassandra — including CQL, compaction strategies, and partition design. - Practical experience with Apache Solr — schema configuration, SolrCloud, and query optimization.- Practical experience with Redis— cluster mode, persistence (RDB/AOF), Pub/Sub, and data structure best practices. - Knowledge of SQL databases such as MariaDB, MySQL, PostgreSQL, and Galera-based clusters — including replication, high-availability configurations, and query optimization. - Solid understanding of Linux/Unix systems administration and shell scripting (Bash/Python).- Experience with monitoring and observability platforms (e.g., Prometheus, Grafana, Datadog, or equivalent). - Strong analytical and troubleshooting skills with the ability to diagnose complex performance and reliability issues. - Excellent communication skills with the ability to translate complex technical concepts for developer audiences.Preferred Qualifications - Experience in a telecommunications or large-scale, high-throughput data environment. - Familiarity with cloud-managed database services (AWS, GCP, or Azure). - Knowledge of containerization and orchestration tools (Docker, Kubernetes, Helm). - Experience with Infrastructure as Code tools (Terraform, Ansible) for database provisioning.- Relevant certifications: MongoDB Certified DBA, DataStax (Cassandra/Scylla) Certification, or equivalent. - Exposure to streaming and event-driven architectures (Apache Kafka, Pulsar) and their interaction with database systems. - Understanding of CI/CD pipelines and DevOps practices as they relate to database change management.Why Join Us - Contribute to the advancement of cutting-edge telecom technologies and infrastructure. - Collaborate with a diverse, experienced, and multicultural team of engineers and industry professionals. - Enjoy a flexible work environment with remote work options. - Receive a competitive salary and a comprehensive benefits package.- Grow your career through professional development opportunities and technical training.