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The Senior Database Administrator will design, implement, and maintain the database infrastructure, ensuring optimization, high availability, and security. Responsibilities include managing large-scale databases, developing backup and disaster recovery protocols, automating tasks, and providing on-call support, while mentoring junior staff.
We are seeking an 8+years experienced Senior DBA with expertise in PostgreSQL (primary stack), Cassandra, and MongoDB to join our team. The ideal candidate comes from a product-based company and has managed high-scale environments (1M+ requests/sec) with a strong focus on performance, scalability, and automation.
Key Responsibilities
- High-Scale DB Management: Experience handling databases at scale (1M+ requests/sec).
- Zero Downtime Migrations: Expertise in Blue-Green Deployments and planning seamless database migrations.
- Database Architecture & CAP Theorem: Deep understanding of CAP theorem to recommend the right database for different use cases.
- Autonomous Scaling: Ability to design auto-scaling strategies for databases while optimizing cost.
- Performance Optimization: Proactively identify and resolve slow queries in staging before they impact production.
- Database Automation: Implement automated workflows for updates and deletions, while ensuring proper approval mechanisms.
- IAM & Access Management: Transition database access from traditional access keys to role-based authentication for enhanced security.
- Instrumentation across various open source and paid tools to get the required metrics
Required Skills & Experience
- From product based companies
- Proven experience in PostgreSQL (main stack), Cassandra, and MongoDB.
- Strong background in high-traffic, large-scale environments.
- Hands-on experience with performance tuning, query optimization, and indexing strategies.
- Expertise in database security, IAM roles, and access control.
- Familiarity with CI/CD for database deployments and automation tools.
- Ability to collaborate with developers and DevOps teams for efficient database operations.
Soft Skills
- Strong problem-solving and analytical abilities
- Excellent communication skills, both written and verbal
- Ability to work effectively under pressure and manage multiple priorities
- Strong documentation skills and attention to detail
- Team player with the ability to work independently when needed
- Experience mentoring junior team members
Education
- Bachelor's degree in Computer Science, Information Technology, or related field
- Master's degree preferred but not required if compensated by equivalent experience
Work Environment
- Full-time position
- Hybrid work environment with some on-site presence required
- Participation in on-call rotation
- May require occasional weekend work for major deployments or upgrades
Top Skills
Apache Cassandra
Aws Rds
Azure Database
Bash
Docker
GCP
Grafana
Kubernetes
Microsoft Sql Server
MongoDB
MySQL
Postgres
Powershell
Prometheus
Python
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