Database Administrator (MongoDB, MySQL, PostgreSQL)

Role: Database Administrator (MongoDB, MySQL, PostgreSQL)

Location: Across India

Type: Full-time

Job Description:

“We are seeking an experienced and versatile Database Administrator (DBA) to manage and optimize our database systems across MongoDB, MySQL, and PostgreSQL platforms. The ideal candidate will be responsible for ensuring database availability, performance, security, and scalability while supporting business and application needs. This role requires expertise in all three database technologies and the ability to collaborate effectively with development and operations teams.

Key Responsibilities:

Database Administration:

  • Install, configure, and upgrade MongoDB, MySQL, and PostgreSQL database systems on various platforms.
  • Manage database instances, schemas, and objects (e.g., tables, indexes, views, collections).
  • Implement and enforce database standards and guidelines.
  • Monitor and tune database performance for all three platforms, including query optimization, indexing strategies, and resource utilization.
  • Design, implement, and manage backup and recovery solutions for each database system.
  • Develop and test disaster recovery plans to ensure data integrity and availability.
  • Configure and maintain replication, clustering, and sharding setups for MongoDB, MySQL, and PostgreSQL.
  • Plan and implement solutions to ensure database scalability and high availability.
  • Implement database security measures, including user authentication, access controls, and encryption.
  • Regularly apply updates and patches to address vulnerabilities.
  • Diagnose and resolve database-related issues, including connectivity, performance, and data integrity problems.
  • Provide support for database operations in development, testing, and production environments.
  • Collaborate with developers to design efficient database schemas and support application integration.
  • Review and optimize SQL and NoSQL queries to ensure performance.
  • Set up and manage database monitoring tools and dashboards.
  • Develop automation scripts for routine maintenance tasks using scripting languages (e.g., Bash, Python).
  • Maintain detailed documentation for database configurations, processes, and best practices.
  • Generate regular reports on database health, performance, and usage metrics.

Qualifications and Skills:

Required Skills:

  • MongoDB:

o             Expertise in installation, sharding, replication, and monitoring.

o             Proficiency with MongoDB Compass, Atlas, or similar tools.

o             Familiarity with NoSQL concepts and BSON data structures.

  • MySQL:

o             Experience with MySQL replication (master-slave, master-master) and clustering.

o             Proficiency with MySQL Workbench and related tools.

o             Strong understanding of InnoDB and MyISAM storage engines.

  • PostgreSQL:

o             Deep understanding of PostgreSQL architecture, including partitioning and parallel query execution.

o             Experience with extensions like PostGIS, PL/pgSQL, or logical replication.

o             Proficiency with tools like pgAdmin and psql.

  • Strong skills in database query optimization, performance tuning, and index design.
  • Experience with database backup, recovery, and disaster recovery solutions.
  • Knowledge of Linux/Unix systems and basic shell scripting.

Preferred Skills:

  • Experience with database management in cloud environments (AWS RDS, Azure Database, GCP).
  • Experience with DevOps practices and infrastructure-as-code (e.g., Terraform, Ansible).

Education and Experience:

  • Bachelor’s degree in Computer Science, Information Technology, or a related field.
  • 6+ years of hands-on experience as a DBA managing MongoDB, MySQL, and PostgreSQL.
  • Relevant certifications (e.g., MongoDB Certified DBA, MySQL Database Administrator, PostgreSQL Professional Certification) are a plus.

Preference to ISSS trained professionals

Please send me your resumes to jobs@isss.org.uk

Mention “Database Administrator – Across India” in the subject.

Mention your

Current CTC

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