Position: Database Administrator (DBA) – Performance & Security Specialist
Length: Contract Base
Experience: 5+ years Type: Full-time
Location: Office 801, 8th Floor, Cerebrum IT Park- B3, Kalyani Nagar, Pune, 411014
Qualification: Any Graduate or Above
Work Hours: GMT shift (3:30 PM to 12:30 AM) – Fixed shift (Mon-Fri) – Work from office

About Valasys Media

Valasys Media Pvt Ltd is a premier provider of integrated marketing and sales process outsourcing services. We specialize in helping companies build sales pipelines, reduce sales cycles, and improve market visibility. Our solutions empower businesses to create awareness and establish valuable relationships within new markets.

Job Overview

We are hiring a Senior Database Administrator (DBA) with 5+ years of experience and deep expertise in PostgreSQL, MySQL, and MongoDB. The ideal candidate will specialize in query optimization, performance tuning, and database security across multiple platforms. This role also includes ensuring data is secure, encrypted, and access-controlled in accordance with best practices and compliance requirements.

Key Responsibilities:

• Optimize complex queries across PostgreSQL, MySQL, and MongoDB to improve application performance and reduce load times.
• Analyze and tune database performance using indexing, query refactoring, schema optimization, and caching techniques.
• Work closely with development teams to guide efficient data modelling, query design, and schema architecture.
• Implement and maintain security best practices including encryption, access controls, and auditing policies.
• Monitor system performance, identify bottlenecks, and implement preventative measures.
• Handle database backup, recovery, replication, and high availability configurations.
• Write and maintain complex stored procedures, functions, triggers, and views in SQL-based systems.
• Maintain documentation for database configurations, optimizations, and security protocols.
• Evaluate and implement database tools and utilities for better automation and observability.

Required Skills & Experience:

• 5+ years of experience as a DBA with a focus on performance and security.
• Deep expertise with:
• PostgreSQL: indexing, query plans, partitions, extensions (e.g., PostGIS)
• MySQL: performance schema, tuning, replication
• MongoDB: document modelling, aggregation pipelines, indexing, sharding
• Strong SQL skills and deep understanding of query performance optimization.
• Experience with database security, including data encryption, RBAC, and compliance (GDPR, HIPAA, etc.).
• Proficient in database monitoring and diagnostics tools.
• Scripting skills (Python, Shell, or equivalent) for automation and maintenance tasks.
• Experience working with cloud-based DBs (AWS RDS, Azure Database, etc.) Preferred

Qualifications:

• Experience with DevOps tools (CI/CD, Git, Docker, etc.)
• Familiarity with infrastructure as code (Terraform, Ansible) for DB provisioning.
• Certifications in PostgreSQL, MongoDB, MySQL, or relevant cloud platforms.
• Experience with NoSQL performance tuning and data lifecycle management.