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