Linux Middleware Admin

1 week ago


Singapore STRATXT PTE. LTD. Full time

Linux OS level Requirements (primary skill):

- Vulnerability fixes.
- Ability to troubleshoot system level issues related to OS.
- Have hands-on experience in a REDHAT Satellite server.
- Experienced in setting up, administering servers and its configurations.
- Configure DNS, Iptables and support SMTP services as required.
- Regularly monitor and maintain a log of the critical services, performance of servers including monitoring of CPU, disk space, memory utilization.
- Strong knowledge on Filesystem and logical volume management.
- Participate in the implementation of project and additionally provide post-project support to customers.
- Strong knowledge on writing shell scripts and Ansible for automation.
- Provide break-fix solutions on hardware/software when needed.
- Participate in “On Call” weekly shift supporting off hours and weekend activity. This is rotating assignment shared with other members of the team.

Middleware support Requirements (secondary skills)
- solid relevant experience in (Jboss EAP, EWS, JON, Apache) is preferred
- Experience with JDBC, JMS, MQ and integration of multiple messaging service
- practices/troubleshooting/performance tuning for JBoss EAP (Redhat) 6.1 & above
- Jboss Enterprise Web server /Apache Experience, JDBC/JMS configuration and code deployment on JBOSS
- Experience with Standalone, domain mode Jboss and experiencing in building out HA, clustered environment.
- Involve in ongoing research, development and testing of WebSphere, IBM HTTP Server and Security Vulnerability. This includes configuration of DMZ environment
- Performance tuning WAS, WPS by configuring caching, queuing, pooling, heap size and optimizing other JVM parameters.
- Writing JACL/Jython, Unix shell Scripting for administration.

Hands-on experience required on the below Tools (Must):

- Jenkins
- Nagios
- EG monitor/Dynatrace
- Zabbix


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