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Weblogic Administrator

The Weblogic Administrator is part of a team supporting VA systems operating out of the VA Hines Data Center.  Candidate must possess strong technical background and experience related to the administration/architecture of BEA WebLogic server and portal, versions 8.x, 9.x, and 10.x . 

Roles/Responsibilities: 

  • Utilize Java J2EE Enterprise Architect to design, implement, and deploy scalable fault tolerant applications on WebLogic Platform.
  • Develop a Web Logic Architecture Document.
  • Utilize Java Specification Requests (JSRs) 168 Portlet Design and integration to architect WebLogic Portal Server
  • Develop design patterns for clustered high availability applications
  • Develop design patterns for reusable and scalable objects.
  • Develop design patterns for optimized data retrieval and storage.
  • Develop design patterns for efficient code and non-blocking multi-threaded applications.
  • Architect, configure, and deploy Java Message Service (JMS) Message queue transmission and reception models for high volume transitionally safe applications.
  • Provide Web Service design using Representational State Transfer (REST) and Simple Object Access Protocol (SOAP).
  • Design and deploy efficient Hibernate design Patterns.
  • Implement and deploy Spring Design Patterns.
  • Create Enterprise JavaBean (EJB) 3.0 Objects for data transaction integrity.
  • Develop with in Eclipse Development Environment.
  • Provide capability to enable team use of Version Control Systems.
  • Streamline Automated Build, Test, and Deploy environments.
  • Develop Regression Testing best practices and provide Regression Test reports.
  • Perform Audit Java Security, Authentication, and Authorization of application.
  • Audit Java performance a tuning of existing applications
  • Provide Weblogic Platform diagnostic and troubleshooting ability.
  • Identify existing issues and pro-actively recommend solutions for upcoming issues.
  • Utilize Java Virtual Machine Tuning and analysis for optimized performance on application servers.
  • Review  architecture for compliance with the Government Web Server and Network Security Requirement.
  • Perform Operating System Security Hardening.
  • Perform Oracle 9i, 10g, 11g design, integration, optimization and configuration.
  • Design and optimized SQL and PL/SQL.
  • Perform Networking configuration for Cisco hardware load balancing
  • Optimize Hardware Load Balancing when integrated with WebLogic Software clustering and load balancing.
  • Ensure IP Routing tables and the implications of high bandwidth network traffic generation from back end systems.
  • Perform optimization of the Wide Area Network (WAN) and Local Area Network (LAN) configuration and deployment topologies to maximize WebLogic J2EE system performance.
  • Provide subject matter expertise through a detailed knowledge of Java, Unix environment from a system administration and development point of view and may be in form of knowledge transfer or more formal training.
  • Optimize operating system for high performance multi-threaded applications that require high CPU and network usage and shall diagnose and traiage issues with such systems in a VA environment.
  • Provide operational support for Glassfish J2EE server implementations.

General Activities:

  • Participate in CDCO support activities such as Disaster Recovery, data replication,     infrastructure support activities such as documentation, develop architectural diagrams, and troubleshoot performance issues.
  • Lead CDCO sponsored initiatives, to include developing schedules and plans, communicating progress to management in both verbal and written formats, identifying barriers, and identifying and evaluating alternatives.
  • Track and document all system changes, problems, issues, and work tasks within CA’s Unicenter Service Desk (USD) through change orders, service requests, incident and/or problem tickets.
  • Participate and contribute at project meetings as subject matter expert (SME) for UNIX system administration related areas.
  • Communicate to project managers, team members, other technical administrators and/or end users the status and findings with tickets, incidents, and problems.
  • Use administrative tools such as CA Monitoring Suite, Nagios and/or Oracle Enterprise Operations Center (formerly Sun xVM Operations Center) for monitoring and administering Unix servers. 

General Activities:

  • Participate in CDCO support activities such as Disaster Recovery, data replication,     infrastructure support activities such as documentation, develop architectural diagrams, and troubleshoot performance issues.
  • Lead CDCO sponsored initiatives, to include developing schedules and plans, communicating progress to management in both verbal and written formats, identifying barriers, and identifying and evaluating alternatives.
  • Track and document all system changes, problems, issues, and work tasks within CA’s Unicenter Service Desk (USD) through change orders, service requests, incident and/or problem tickets.
  • Participate and contribute at project meetings as subject matter expert (SME) for UNIX system administration related areas.
  • Communicate to project managers, team members, other technical administrators and/or end users the status and findings with tickets, incidents, and problems.
  • Use administrative tools such as CA Monitoring Suite, Nagios and/or Oracle Enterprise Operations Center (formerly Sun xVM Operations Center) for monitoring and administering Unix servers. 

Qualifications/Education requirements:

  • Bachelor’s Degree in Computer Science or business related field preferred
  • 5+ years senior-level experience with Oracle database administration
  • Significant experience with Weblogic environment supporting large enterprise installations (100+ applications) across a national infrastructure.  Should have experience in monitoring software / hardware performance, integrating disparate hardware to operate within Weblogic environment

Preferred Skills:

  • Experience in Weblogic automation utilizing WLST and Python. Experience with Computer Associates/Wily’s Introscope performance monitoring application.

  • Experience in Tuning and Deploying Web Logic server and portal clustered applications. Experience in Web Logic best practices.

  • Expert knowledge on distributed systems and the support of highly distributed deployment J2EE servers.

  • Experience in configuring WebLogic Servers in a Cluster solution for High Availability, Load balancing and fail over support. Linux (Red Hat) and Solaris experience.

  • Knowledge of Web Security tools- LDAP Server, SSL Certificates.

  • Experience in profiling Java applications using tools such as; Jprobe, OptimizeIT, etc.

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