Middleware Support Engineer

4 days ago

Toronto, Canada NPO USA Inc Full time

Key Responsibilities Middleware Administration & Support Install, configure, and maintain Apache, IBM WebSphere, Tomcat, and IIS environments across development, QA, and production. Manage application deployments, patches, upgrades, and environment refreshes. Monitor system performance and troubleshoot issues related to middleware, integrations, and application connectivity. Configure and manage clustering, load balancing, and high‑availability setups. Performance & Optimization Analyze logs, thread dumps, and performance metrics to identify bottlenecks. Tune JVMs, web servers, and application servers for optimal performance. Implement caching, connection pooling, and resource optimization strategies. Security & Compliance Apply security patches, SSL/TLS certificates, and hardening standards. Work with security teams to ensure compliance with corporate and regulatory requirements. Manage authentication/authorization integrations (LDAP, SSO, OAuth, etc.). Automation & DevOps Integration Develop scripts (Shell, Python, PowerShell, etc.) to automate deployments, monitoring, and maintenance tasks. Integrate middleware components with CI/CD pipelines (Jenkins, GitLab, Azure DevOps, etc.). Support containerization and cloud migration efforts where applicable. Incident & Change Management Provide L2/L3 support for middleware‑related incidents and service requests. Participate in on‑call rotation for critical production support. Document changes, configurations, and troubleshooting procedures. Collaboration & Communication Work closely with application developers, DBAs, network engineers, and security teams. Provide technical guidance and mentorship to junior team members. Participate in architecture discussions and contribute to middleware strategy. Required Skills & Qualifications Strong hands‑on experience with Apache HTTP Server, IBM WebSphere, Tomcat, and IIS. Solid understanding of HTTP/S, J2EE architecture, web services, and application hosting. Experience with Linux/Unix and Windows Server environments. Familiarity with load balancers, reverse proxies, and network fundamentals. Proficiency in scripting (Shell, Bash, Python, PowerShell). Experience with monitoring tools (Zabbix, etc.). Knowledge of SSL certificates, keystores, truststores, and security protocols. Strong analytical and troubleshooting skills. Soft Skills Strong communication and documentation abilities. Ability to work under pressure in mission‑critical environments. Collaborative mindset with a focus on continuous improvement. Attention to detail and commitment to operational excellence. #J-18808-Ljbffr

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