System & Data Engineer (Linux / SQL area)

Our client is a rapidly growing IT company specializing in providing comprehensive IT infrastructure solutions. Since its establishment in 2017 in Łódź, the company has continuously expanded its offer, including virtualization, backup, LAN networks, servers and storage, cybersecurity, and cloud solutions. Thanks to a team of experienced specialists, the company ensures audits, consultations, design, construction, implementation, and maintenance of IT systems, also offering IT outsourcing services. We are looking for talented IT professionals who want to join our team and support us in creating innovative solutions for medium and large enterprises from various industries. If you are a network administrator, backup specialist, virtualization, IT security expert, or an information systems engineer, we invite you to apply. Join us and develop your skills in a company that focuses on continuous development and innovation.

System & Data Engineer (Linux / SQL area)

location: Łódź

Key Duties

• Maintenance and development of Linux (mainly) and Windows server environments - configuration, monitoring, updates, troubleshooting.
• Administration of database environments (e.g. PostgreSQL, MSSQL, Apache Doris, MySQL/MariaDB) - installation, configuration, performance optimization.
• Design and maintenance of data warehouses (Data Warehouse) - loading, transformation, and integration processes of data from various sources.
• Maintenance and development of real-time data processing systems (Apache Flink, Kafka, CDC, Zookeeper).
• Participation in IoT projects - creating and developing data collection systems from devices (MQTT, Modbus).
• Collaboration with BI and development teams in designing data structures, SQL queries, and reports.
• Creation and updating of technical documentation (pre- and post-implementation).
  
  

Skills / Knowledge / Experience

• Very good knowledge of Linux systems (RHEL/Debian and derivatives) - installation, configuration, hardening, administration, security.
• Basic, practical knowledge of Windows Server administration.
• Experience with virtualization (e.g. Proxmox, VMware vSphere, Hyper-V).
• Very good knowledge of SQL.
• Practical knowledge of databases: PostgreSQL, MSSQL, Apache Doris, MySQL/MariaDB.
• Understanding of basic networking concepts (TCP/IP, routing, VLAN, firewall).
• Experience in automation and scripting (Bash, Python, PowerShell).
• Communicative knowledge of the English language (reading technical documentation, communication with external services).
• Good organizational skills and ability to solve problems independently or as part of a team.
• Category B driving license.
  
  

Will Be Considered As a Major Plus

• Knowledge of automation and monitoring tools: Ansible, Grafana, Zabbix, Docker, Kubernetes, GitLab.
• Understanding of data modeling principles in analytical environments (DWH).
• Familiarity with Apache Flink, Kafka, CDC, Zookeeper
  
  

We Offer

• Attractive salary (b2b contract)
• Exposure to new technologies
• Work fully in the office in Łódź
• Implementation and maintenance of multiple projects
• Getting to know various IT environments and infrastructures
• Access to internal and external training
• Integration meetings and work in a casual atmosphere (you can check on social media what we mean)
• Perspective of promotion to Team Leader position - for individuals showing commitment, initiative, and leadership skills
• Subsidies for training and courses
• Integration meetings
• Company phone for private use
• No dress code
• Coffee / tea
  
  

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