Wrocław, Dolnośląskie, Poland
IT Specialist focused on systems reliability, infrastructure monitoring, and observability 📊🚀
• Managing and optimizing a large-scale, distributed monitoring stack (Zabbix, Grafana), ensuring high availability for 4,400+ hosts across 7 nationwide logistics centers. • Established operational monitoring for critical message flows within the WMS by integrating Zabbix with Oracle databases via ODBC. • Engineered a full Zabbix-Jira REST API integration using custom webhooks to automate the incident lifecycle management. • Migrated Grafana authentication workflows from LDAP to OAuth (Azure AD), enforcing strict Role-Based Access Control (RBAC).
• Administered a large-scale Zabbix environment; optimized templates, trigger prototypes, and SQL queries to eliminate database timeouts. • Engineered and deployed comprehensive Grafana dashboards visualizing business-critical data flows and providing real-time monitoring of KPIs. • Executed Zabbix Agent reconfiguration and host standardization for 30+ critical production servers within the monitoring environment. • Investigated connectivity and reachability issues by filtering traffic in Wireshark and auditing access logs in Palo Alto Panorama and Cisco ISE.
• Administered Active Directory (users/groups/OU) and managed privileged roles via Azure PIM. • Managed technical incidents in Jira, ensuring SLA compliance and authoring technical documentation for the internal knowledge base. • Provided technical support and configuration for critical logistics systems: WMS, TMS, YMS, ECM, SAP.