Senior database administration

 I.  PURPOSE

The Senior Database Administrator (Senior DBA) is responsible for the design, implementation, maintenance, security, performance tuning, and high availability of the organization's database systems. The role ensures that database operations comply with company policies and ISO standards, particularly in the areas of information security, quality management, risk management, and service continuity.

The Senior DBA also provides technical leadership, ensures adherence to change management procedures, and supports audit and compliance requirements.

II. DUTIES AND RESPONSIBILITIES

• Administer and maintain database platforms, including SQL Server, Oracle, MySQL, and PostgreSQL.
• Ensure database security, access control, and compliance with company policies and ISO standards.
• Monitor database performance and implement optimization and tuning strategies.
• Manage database backup, recovery, and disaster recovery (DR) processes.
• Support change management activities, incident resolution, and root cause analysis.
• Maintain database documentation, standard operating procedures (SOPs), and audit requirements.
• Collaborate with IT teams and stakeholders to support business and technical objectives.
• Provide technical leadership, guidance, and mentoring to junior team members when required.

III. QUALIFICATIONS

• Bachelor's Degree in Information Technology, Computer Science, or a related field.
• Minimum of 5–8 years of database administration experience, including senior-level responsibilities.
• Strong knowledge of database security, performance tuning, high availability, and disaster recovery solutions.
• Experience working in ISO-compliant environments is an advantage.

Technical Skills

Advanced proficiency in:

• Database installation, configuration, administration, tuning, and troubleshooting.
• SQL query optimization and performance tuning.
• Backup, recovery, and disaster recovery (DR) strategies.
• High availability, clustering, and replication technologies.
• Linux and Windows Server administration.
• Command-line tools and scripting using PowerShell and Bash.
• Automation and database administration scripting.

• Experience with cloud database services such as Azure SQL, AWS RDS, and Google Cloud SQL.
• Familiarity with DevOps tools and CI/CD pipelines, including Jenkins, GitLab CI/CD, and GitHub Actions.
• Experience with containerized database deployments using Docker and Kubernetes.
• Relevant professional certifications, such as:
• Microsoft SQL Server (MCSA, MCSE, DP-300)
• MySQL Database Administrator (DBA)
• PostgreSQL Professional Certification
• Linux and/or Windows Server Administration Certifications

• Strong analytical and problem-solving skills.
• High attention to detail and accuracy.
• Ability to work under pressure and manage multiple priorities effectively.
• Excellent communication, collaboration, and documentation skills.
• Strong sense of ownership, accountability, and proactive initiative.

• May be required to work beyond normal business hours, including evenings, weekends, and holidays, to meet project deadlines, perform maintenance activities, or address critical production incidents and urgent business requirements.
• May participate in on-call support rotations for critical database systems and infrastructure.