Senior DBA

B2Tech is looking for a Senior Database Administrator/Engineer to take technical ownership of our database environments and ensure they remain reliable, secure, scalable, and high-performing.

You’ll work closely with Development, Architecture, and DevOps teams to solve complex database challenges, lead operational improvements, and shape database design, deployment, and automation practices. This is a hands-on senior role with responsibility for production reliability, technical guidance, and continuous improvement.

RESPONSIBILITIES:

• Own the operation, maintenance, and continuous improvement of Microsoft SQL Server production environments.

• Proactively monitor database health, performance, availability, and capacity, identifying risks and addressing issues before they affect production.

• Lead the investigation and resolution of complex database incidents, perform root cause analysis, and implement lasting improvements.

• Drive performance optimization through query tuning, indexing strategies, execution plan analysis, and database configuration improvements.

• Design, implement, and regularly test backup, recovery, High Availability, and Disaster Recovery solutions against agreed recovery objectives.

• Manage database security, permissions, and access controls, applying least-privilege principles and maintaining clear access procedures.

• Plan and execute database upgrades, deployments, schema changes, and migrations, including validation and rollback strategies.

• Review T-SQL, pull requests, and migration scripts for performance, security, maintainability, and production readiness.

• Partner with Development and Architecture teams on database design, data access patterns, and scalability.

• Work with DevOps teams to strengthen database CI/CD, release processes, and infrastructure automation.

• Improve database observability, alerting, and automation to reduce manual work and operational risk.

• Define and promote database engineering standards, and mentor colleagues through technical guidance and knowledge sharing.

• Maintain clear documentation, operational procedures, and runbooks, and ensure they reflect tested practices.

REQUIREMENTS:

• 5+ years of experience in database administration, database engineering, or a similar role, with substantial hands-on Microsoft SQL Server production experience.

• Advanced T-SQL skills, including writing, reviewing, and optimizing complex queries and stored procedures.

• Strong understanding of SQL Server performance, including execution plans, indexing, statistics, locking, blocking, and deadlocks.

• Proven ability to independently troubleshoot complex production issues and lead incidents through resolution and follow-up.

• Hands-on experience implementing and maintaining backup, restore, and HA/DR solutions, including recovery testing.

• Strong knowledge of database security, access management, and operational best practices.

• Experience planning and delivering database deployments, upgrades, schema changes, and migrations.

• Practical experience with source control, pull request reviews, and database CI/CD processes.

• Experience automating database operations using T-SQL, PowerShell, or similar tools.

• Strong analytical skills and the ability to evaluate technical trade-offs, prioritize risks, and drive improvements.

• Clear communication skills, with experience collaborating across technical teams and mentoring colleagues.

PREFERENCES:

• Experience with PostgreSQL and/or MongoDB.

• Experience with AWS or another cloud platform, including managed database services.

• Experience with Grafana or similar monitoring and observability tools.

• Familiarity with Terraform and Infrastructure-as-Code.

• Experience working in a DataOps or DevOps environment.

• Experience supporting large-scale, high-throughput, or business-critical database platforms.

BENEFITS:

• Annual Discretionary Performance Bonus 💵

• Annual Salary Review 📈

• 21 Days of Paid Leave 🏖️

• Hybrid Working Model 🏠

• Semi-Flexible Working Hours 🕒

• Provident Fund 💰

• Medical Insurance Coverage ❤️‍🩹

• Subsidized Sports Benefits App Subscription 🏋️

• €100 Monthly Lunch Allowance, Plus €9 per In-Office Day 🍽️

• Friday Breakfasts 🥐

• Biweekly Lunches 🍴

• Biweekly Happy Hours 🍻

• Monthly Welfare Events 🎉

• Exciting Career Paths 🎯

• Personalized Learning and Development Programs 🎓

• Birthday Leave 🎂

• Marriage Leave 💍

• Service Awards Gifts 🏅

• A Variety of Employee Perks 🎁