Middleware Administration & Operations Lead

Nasze wymagania: Expert-level multi-platform middleware administration – MS IIS, IBM WebSphere, IBM MQ, Tomcat, Apache (administration, patching, configuration, lifecycle management) Advanced performance tuning & JVM expertise – JVM settings, thread pools, garbage collection, connection pools, MQ channels & queues Security, TLS & integration – TLS, cipher suites, certificate binding, PKI, hardened configurations, access control, authentication mechanisms, integration with load balancers (NetScaler/F5), WAF, DNS Migration, observability & messaging – Observability/monitoring for middleware (logs, metrics, alerts, tracing), messaging patterns (IBM MQ, JMS), migration and consolidation, containerization (WebSphere Liberty, Tomcat on Kubernetes), cloud-based middleware Scripting, leadership & people management – PowerShell/Bash/Python/Ansible automation, mentoring L2 analysts, managing on-call rotas, vendor management, compliance and license management, collaboration with application development teams O projekcie: Are you passionate about optimizing complex middleware environments and ensuring high-performance application delivery? Join our team as a Middleware Administration & Operations Lead in Poland and be part of a fast-paced, global environment where your expertise drives real impact. We are seeking an experienced Middleware Administration & Operations Lead to manage, optimize, and protect enterprise middleware platforms that enable application deployment, integration, communication, and runtime execution. You will ensure reliable and secure application delivery, high availability, and operational stability across web servers, application servers, messaging platforms, and integration middleware, while providing technical leadership to L2 Middleware Analysts. Join us for a rewarding career in a supportive, growth-oriented environment where people and performance go hand in hand. Client presence in 190+ countries 6000+ Engineers globally 200+ Enterprise Clients We foster an open, friendly, and collaborative culture where individual achievements contribute to overall team success. From solving real-world middleware challenges to keeping enterprise applications running, we put our people first. Zakres obowiązków: Lead Middleware Platform Management & Performance Optimization Oversee deployment, patching, version upgrades, and lifecycle management of MS IIS, IBM WebSphere, IBM MQ, Tomcat, and Apache. Drive JVM, thread/heap, garbage collection, connection pool, and MQ channel tuning to ensure high availability. Own Security, Incident Response & Integration Lead incident response for outages, performance degradation, routing issues, and integration failures. Enforce TLS, hardened configurations, access control, cipher suites, certificate binding, and PKI. Manage integration with NetScaler/F5 load balancers and collaborate on WAF, DNS, and application routing infrastructure. Oversee secure decommissioning of middleware assets. Provide Technical Leadership, Governance & Automation Mentor L2 analysts, manage on-call rotas and vendor escalations. Lead migration to containerization and cloud (WebSphere Liberty, Tomcat on Kubernetes). Develop automation (PowerShell, Bash, Python, Ansible) for operations, capacity planning, and health reviews. Support audit readiness, license management, DR tests, governance, and maintain middleware documentation. Oferujemy: A collaborative and supportive work environment with clear leadership pathways Opportunities for continuous learning and career growth Exposure to diverse middleware technologies and global clients A leadership role within a global IT operations team