Senior Microsoft SQL DB Engineer – Hybrid Poland

Qualco Group; Warszawa; Hybrid; PLN 180,000 - 300,000; Full time

Job summary

Quento Technologies S.A., ICT arm of Qualco Group, seeks a highly motivated Microsoft Database Administrator to design, deploy, and optimize SQL Server environments across distributed deployments. You will implement ETL processes, BI solutions, and Always On availability while ensuring regulatory compliance.

The role requires 5+ years IT experience, MS SQL, Azure DB, Fabric, and strong communication skills. Hybrid work in Poland with English proficiency (B2+). CVs in English preferred.

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, Engineering, or a related field.
• Minimum 5 years of IT experience, including at least 3 years in a related domain.
• Microsoft Certified: Azure Database Administrator Associate and Microsoft Certified: Fabric Data Engineer Associates
• Experience administering complex Microsoft SQL Server environments deployed across distributed environments.
• Strong expertise in database optimization, performance tuning, capacity planning and bottlenecks using SQL Profiler, Execution Plans, and Dynamic Management Views (DMVs).
• Hands-on experience with SQL scripting, ETL processes, data transformation, and cloud-based data services.
• Experience designing, implementing, and maintaining Microsoft Business Intelligence (BI) solutions and services
• Experience designing solutions across cloud, on-premises, serverless, containerized, and hybrid environments.
• Experience designing, implementing, and maintaining Microsoft Fabric tools and services.
• Solid experience with database monitoring, including performance monitoring tools such as DBPlus Performance Monitor.
• Expertise in creating and managing Always On deployments and recovery models, backup strategies.
• Hands-on experience administering virtualized infrastructures and a good understanding of other Microsoft technologies and platforms.
• Proactive, self-motivated team player with strong customer orientation, excellent communication skills, and the ability to adapt quickly to evolving technologies and explain technical concepts to both technical and non-technical audiences.
• Eligibility to obtain an EU Personal Security Clearance, at a later stage is required.
• Very good command of English (minimum B2 level).

Responsibilities

• Administer, monitor, and maintain Microsoft SQL Server database environments.
• Provide second-line support for database-related incidents, requests, and operational issues.
• Troubleshoot and resolve database performance, availability, and reliability issues.
• Deploy, configure, and maintain database solutions.
• Perform data extraction, transformation, and loading (ETL) activities to support business and operational needs.
• Plan database capacity and availability, ensuring optimal performance, scalability, and resilience.
• Monitor, tune, and optimize database performance through proactive maintenance and performance analysis.
• Implement changes in accordance with ICT change management processes and procedures.
• Maintain and update technical documentation, operational procedures, and knowledge base materials.
• Manage database incidents and contribute to problem resolution and root cause analysis.
• Prepare and deliver reports on database operations, performance, and support activities.
• Carry out additional duties as assigned by the supervisor.
• Ensuring that all activities and duties are carried out in full compliance with regulatory requirements and supporting the continued implementation of the Group Anti-Bribery and Corruption Policy.

Skills

SQL scripting

ETL processes

Performance tuning

Capacity planning

DMVs

BI solutions

Cloud data services

Hybrid environments

Communication skills

Regulatory compliance

Education

Bachelor’s degree in IT/CS/Engineering or related field

Tools

DBPlus Performance Monitor

Microsoft Fabric tools

SQL Profiler

Job description

Quento Technologies S.A., ICT arm of Qualco Group, seeks a highly motivated Microsoft Database Administrator to design, deploy, and optimize SQL Server environments across distributed deployments. You will implement ETL processes, BI solutions, and Always On availability while ensuring regulatory compliance.

The role requires 5+ years IT experience, MS SQL, Azure DB, Fabric, and strong communication skills. Hybrid work in Poland with English proficiency (B2+). CVs in English preferred.