System Administrator-Middleware

Innova Digital Solutions Pte Ltd; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

De ion is seeking a skilled System Administrator specializing in middleware technologies to join our Southeast Asia team. The ideal candidate will manage Java applications, middleware servers, and various integration techniques.

You will handle JBOSS and WebSphere, REST/SOAP service integrations, messaging with IBM MQ and Connect Direct, and automation in Shell on Linux/Unix. Collaboration with development teams will optimize CI/CD and ensure reliable deployment pipelines.

Qualifications

• 3–5 years of system administration experience focused on middleware technologies.
• Proficiency in Java and middleware like JBOSS and WebSphere.
• Strong understanding of REST/SOAP web services, with XML/JSON experience.

Responsibilities

• Manage and maintain middleware applications including JBOSS and WebSphere.
• Implement and support REST/SOAP web services integrations.
• Handle messaging with IBM MQ and Connect Direct.
• Develop and maintain scripts for automation in Shell on Linux/Unix environments.
• Collaborate with development teams to optimize CI/CD processes.
• Perform database tasks with SQL Server, including query optimization.
• Troubleshoot middleware and integration issues.

Skills

Java middleware

JBoss

WebSphere

REST/SOAP

IBM MQ

Connect Direct

SQL Server

Linux/Unix

CI/CD

XML/JSON

Job description

De ion

We are seeking a skilled System Administrator specializing in middleware technologies to join our team in Southeast Asia. The ideal candidate will have a strong background in managing Java applications, middleware servers, and various integration techniques.

Responsibilities

• Manage and maintain middleware applications including JBOSS and WebSphere.
• Implement and support REST/SOAP web services integrations.
• Handle message queuing using IBM MQ and Connect Direct.
• Develop and maintain s for automation in Shell on Linux/Unix environments.
• Collaborate with development teams to ensure continuous integration and deployment (CI/CD) processes are optimized.
• Perform database management tasks using SQL Server, including query optimization and performance tuning.
• Troubleshoot and resolve system issues related to middleware components and integrations.

Skills and Qualifications

• 3-5 years of experience in system administration with a focus on middleware technologies.
• Proficiency in Java and Java-based middleware like JBOSS and WebSphere.
• Strong understanding of REST and SOAP web services, with experience in XML and JSON data formats.
• Experience with IBM MQ and Connect Direct for messaging solutions.
• Solid knowledge of SQL Server database management and query optimization.
• Familiarity with Linux/Unix operating systems and shell ing.
• Experience with CI/CD tools and methodologies to support automated deployments.