Senior Database Administrator

Senior Database Administrator

AT&T

Bratislava, Slovakia

What You’ll Do

As a Senior Database Administrator, you’ll be a key player in ensuring the reliability, scalability, and performance of our enterprise-wide database platforms. This role is ideal for experienced professionals who thrive in high-pressure environments, excel at solving complex technical challenges, and are passionate about building resilient, secure, and high-performing systems that support millions of customers and critical business operations.

• Database Reliability Engineering: Architect and implement proactive solutions to ensure high availability, fault tolerance, and optimal performance across MySQL, PostgreSQL and Oracle environments;
• Incident Response & Troubleshooting: Lead rapid response efforts for major database incidents, perform root cause analysis, and drive resolution to minimize business impact;
• Performance Tuning & Optimization: Analyze system metrics, identify bottlenecks, and implement tuning strategies to ensure fast, efficient data access and query performance;
• Database Architecture & Engineering: Design and evolve database schemas, storage strategies, and deployment models to support new applications and business growth;
• Security & Compliance: Enforce robust security controls, manage access, and ensure compliance with internal policies and external regulations;
• Technical Leadership: Promote best practices and foster a culture of operational excellence and continuous learning;
• Cross-Functional Collaboration: Partner with application, infrastructure, and security teams to deliver integrated, scalable, and secure database solutions;
• Documentation & Knowledge Sharing: Maintain detailed documentation, run-books, and post-incident reviews to promote transparency, learning, and operational maturity;
• Cover working time: 9 am - 5 pm, with occasional flexibility as per business need.

What You’ll Need

• 5+ years of hands-on experience managing and administering databases across multiple platforms;
• Deep expertise in MySQL, PostgreSQL, and Oracle;
• Industry-recognized certifications in one or more database technologies;
• Strong command of performance tuning, backup and recovery strategies, and database security best practices;
• Proven experience in designing, implementing, and managing the full lifecycle of enterprise database systems;
• Sharp analytical and troubleshooting skills with a keen attention to detail and system reliability;
• Solid academic foundation with a bachelor’s degree in Computer Science or a related field.

What You’ll Bring

• A strategic mindset with the ability to lead complex database projects from concept to execution;
• Proven experience mentoring junior team members and influencing technical decisions;
• A proactive approach to problem-solving and continuous improvement;
• Excellent communication and collaboration skills across technical and business teams;
• Passion for data integrity, system reliability, and delivering high-impact solutions.