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Belgium : System Administrator Senior - Freelance (REF18)

Trusted Advisors.com

Office

Brussels, Belgium

Freelance

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

Belgium : System Administrator Senior - Freelance (REF18)

Office

Brussels, Belgium

Freelance

September 28, 2025

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Trusted Advisors