Belgium : System Administrator Senior - Freelance (REF18)

Description of tasks:

• Support and administration of JAVA Enterprise (J2EE) applications.
• Create and maintain incidents/requests in our ticket system and follow ITIL best practices
• Create and update knowledge articles for known issues and processes
• Installation and deployment of Java applications on Weblogic in different environments (Acceptance, Production and others)
• Implement application monitoring in the different environments to ensure availability
• Provide L1, L2 support and troubleshoot application and infrastructure components involved
• Set up the monitoring scripts and automate the tasks performed by support team
• Send out the notifications to the users in case of Downtime during business hours
• Trigger investigations (registration of problems) in order to identify root causes and prevent potential impacts on the application
• Provide Stand by support when required

Knowledge and skills required:

• Strong written and interpersonal communication skills, with both technical and non-technical audiences
• Excellent writing and training skills
• Understanding of network protocols TCP/IP, HTTP/S
• Understanding of Jana Enterprise, XML, Web services SOAP and REST
• Good Knowledge of application servers (Weblogic, Wildfly, Tomcat) as well as Apache HTTP server
• Good knowledge of Database Management systems (MySQL, Oracle RDBMS)
• Good Knowledge of GNU/Linux toolset, shell scripting in mandatory
• Good knowledge of Splunk monitoring platform
• Good knowledge of ITIL best practices
• English is mandatory and other European languages are nice to have

Preferred skills:

• Experience with large scale J2EE deployment and operational support
• Cloud experience, preferably in Azure environments
• Understanding of Docker and application containers
• Good knowledge of SOA Architecture and Web services (SOAP and REST)
• Experience with SoapUI and free API test tool
• SSL certificate management knowledge is nice to have (keytool, openssl)
• Knowledge of SQL
• ITIL foundation certification