System Administrator

• Plan, develop, deploy, and continuously execute technical support activities for ICT users and infrastructure support services
• Guide users, answer questions, receive, record, analyze, diagnose, and address customer requests
• Resolve issues, implement services, perform migrations, and conduct knowledge transfers
• Execute periodic procedures and control and update ICT infrastructure support documentation
• Configure and tune JBoss and Tomcat servers integrated with OpenShift, including JVMs, inter-instance communication, datasources, and authentication/login modules
• Apply performance tuning and design scalability configurations for applications supporting the Judiciary
• Propose and implement security patches and version migrations for middleware platforms
• Conduct capacity studies and propose high-availability architectures using clusters, load balancing, and redundancy
• Monitor intermittent issues, failures, and slowdowns, and issue technical reports identifying root causes and definitive solutions
• Administer Linux systems, including permissions, secure SSH, files, processes, services, and apt packages
• Develop Bash scripts and schedule tasks using crontab
• Architect, centralize, and manage structured logs via Syslog, including filtering, routing, retention, and forensic auditing
• Manage configuration and infrastructure version control using Git
• Participate in IT projects, contributing to application server sizing and architecture
• Produce technical articles and documentation to support training for the court’s internal teams

Explore Senior Operating Systems Administrator – Application Servers at Lanlink Informática Ltda.. Review requirements and application details.

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