WebSphere App Server and WAS Liberty administration for zOS - Zyagulf Software Solutions
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Salary Not Disclosed
1 Vacancy
Job Description
Key Responsibilities:
- WebSphere Application Server Administration: Manage and configure WebSphere Application Server (WAS) and WAS Liberty environments on z/OS including installation configuration and maintenance.
- Environment Management: Build and manage multiple WAS and Liberty profiles and environments ensuring high availability and scalability of applications.
- Performance Tuning: Analyze and optimize WebSphere environments to ensure optimal performance memory utilization and transaction throughput.
- Middleware Integration: Work closely with teams to ensure smooth integration of WebSphere with other middleware such as DB2 MQ and other enterprise systems.
- Monitoring & Troubleshooting: Use tools like IBM Tivoli Performance Viewer (TPV) IBM Monitoring and other thirdparty tools to monitor application servers detect performance issues and troubleshoot production issues in WebSphere environments.
- Security Management: Implement security configurations and policies for WAS and Liberty profiles including SSL certificates authentication and authorization mechanisms.
- Automation & Scripting: Develop automation scripts (Jython JACL REXX etc.) to streamline administrative tasks such as deployments backups and environment monitoring.
- Application Deployment: Manage application deployments to WebSphere environments working with development teams to ensure smooth deployments patches and updates.
- Patching & Upgrades: Apply patches updates and upgrades to WebSphere Application Server and WAS Liberty environments to ensure systems are uptodate and secure.
- Backup & Recovery: Develop and implement backup and recovery procedures for WebSphere environments ensuring minimal downtime in case of failures.
- Problem Resolution: Troubleshoot and resolve complex issues within WAS and Liberty environments collaborating with application developers infrastructure teams and external vendors as necessary.
- Documentation: Maintain detailed documentation of WAS and Liberty configurations environments processes and troubleshooting guides.
Technical Skills:
- Expertise in WebSphere Application Server (traditional and Liberty) on z/OS.
- Strong knowledge of z/OS USS (Unix System Services) JCL and RACF.
- Familiarity with application servers JVM tuning connection pool management and thread management.
- Experience with integration between WAS/WAS Liberty and DB2 MQ or other middleware on z/OS.
- Scripting proficiency (e.g. Jython JACL Shell REXX) for automation.
- Proficiency in monitoring and troubleshooting using tools like IBM Tivoli Performance Viewer (TPV) OMEGAMON or similar.
- Experience managing SSL certificates TLS configurations and security policies in WebSphere environments.
Experience: 5 years of handson experience administering WebSphere Application Server and WAS Liberty on z/OS.
Job Type: Contract
Contract length: 12 months
Pay: KD1800.000 KD2000.000 per month
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