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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
Bash
Microsoft Sql Server
MongoDB
MySQL
Postgres
Powershell
Python
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