SQL Server Administrator – DR/HA, Azure & 24/7 Performance

summ-it; Poznań; Hybrid; PLN 120,000 - 180,000; Full time

Job description

If you want to learn new technologies and then work on projects for globally recognized brands, yet still within a non-corporate structure, this is the perfect place for you!

At summ-it, we create space for you to share your ideas and care about your development. Our employees participate in industry conferences and events related to the broad field of IT, and also improve their skills through various trainings and workshops.

At summ-it, we create space for your ideas and prioritize your growth. Our team members participate in industry conferences and IT events, continuously honing their skills through various training sessions and workshops.

We work with databases totaling petabytes (PB) and optimize systems where every millisecond counts. Currently, we manage over 10,000 database systems for our clients.

What do we offer:

• B2B agreement
• Work in an atmosphere of camaraderie and trust – in a satisfaction survey, over 92% of employees agree with this statement
• Excellent support and teamwork – in a satisfaction survey, 100% of employees agree with this statement
• Possibility to work from an office in the center of Poznań
• Access to the latest IT technologies
• Career growth opportunities in an international company
• Company events: Summer Party, Winter Party, AllHands, Talk to C-level, and summ-it breakfasts
• Employee appreciation programs: summ-it heroes and kudos awards
• Employee referral programs
• Option to join benefit programs (medical care, Multisport card, group insurance)

Main responsibilities:

• Administration of on-premises SQL Server databases (2008–2025), including configuration, troubleshooting, optimization, and ensuring 24/7/365 operational continuity
• Implementing and maintaining Disaster Recovery and High Availability solutions
• Maintaining up-to-date technical documentation
• Identifying and resolving performance issues
• Securing data through backup & recovery solutions
• Administration of databases over 1TB
• Participating in SQL Server environment audits and recommending configuration best practices
• Monitoring database environments
• Executing projects within the SQL Server database domain
• Supporting development and analytical teams with server configuration and SQL queries
• Supporting data warehouses
• Participating in migration projects, SQL Server version upgrades, and deployment of new environments
• Readiness for on-call duties (a few days per month)

Requirements:

• Higher education in computer science or a related field
• Minimum 2 years of experience in administration and optimization of SQL Server databases
• Experience in administering IT systems
• Knowledge and practical application of SQL Server Profiler, Query Store, and Extended Events
• Knowledge of DR and HA solutions for SQL Server
• Readiness for occasional presence in the Poznań office (a few times a year) for team integration and relationship building
• Knowledge of ITIL standards
• English proficiency at a min. B2 level
• Experience in managing databases in the Microsoft Azure cloud
• Experience in configuration and administration of SSIS, SSAS, and SSRS
• Microsoft certifications (preferably DP-300, MCSA)
• Knowledge of PowerShell
• Familiarity with Windows Server and Linux operating systems
• Experience in administering Oracle database systems and knowledge of PL/SQL
• Knowledge of Zabbix, SCOM, or other tools used in system monitoring