Senior Database Administrator

Senior Database Administrator (DBA)

Key Responsibilities

• Administer, maintain, and optimize databases (

  Oracle, MySQL, PostgreSQL, SQL Server, or NoSQL systems

  ).
• Ensure

  database availability, reliability, performance, and scalability

  for production and enterprise systems.
• Design and implement

  backup, recovery, disaster recovery (DR), and high availability (HA) strategies

  .
• Monitor and troubleshoot performance bottlenecks; apply tuning techniques for queries, indexes, and overall system performance.
• Plan and execute

  database upgrades, migrations, and patching

  with minimal downtime.
• Collaborate with application developers to design efficient schemas, queries, and data access strategies.
• Implement and enforce

  security standards, access controls, and compliance requirements

  (GDPR, HIPAA, SOX, etc.).
• Automate routine DBA tasks using scripting (Shell, Python, PowerShell, etc.).
• Provide mentorship and guidance to junior DBAs and cross-functional teams.
• Stay updated with emerging database technologies, cloud-native solutions, and industry best practices.

Required Skills & Qualifications

• Bachelor’s/Master’s degree in Computer Science, Information Systems, or related field.
• 7+ years of experience as a DBA, with expertise in at least one major RDBMS (

  Oracle, MySQL, PostgreSQL, SQL Server

  ) and exposure to

  NoSQL databases (MongoDB, Cassandra, etc.)

  .
• Proven experience with

  performance tuning, replication, partitioning, sharding, and clustering

  .
• Hands-on knowledge of

  cloud databases (AWS RDS/Aurora, Azure SQL, GCP Cloud SQL/Spanner)

  .
• Strong skills in

  backup/recovery tools, monitoring platforms, and automation frameworks

  .
• Proficiency in

  SQL and scripting languages

  for automation and troubleshooting.
• Deep understanding of

  data security, encryption, and compliance frameworks

  .
• Excellent problem-solving and communication skills; ability to manage complex projects independently.