What are the responsibilities and job description for the Mainframe Operator position at Centurion?
Key Required Skills:
Strong knowledge of Mainframe environment including CICS, DB2, MQ and ITM products.
Position Description:
- Work with advanced technical principles, theories, and concepts.
- Challenge with working on complex technical problems and providing innovative solutions.
- Work with highly experienced and technical resources
- All other duties as assigned or directed
Skills Requirements:
- Required Qualifications 5 or more years of technical experience with mainframe demand, capacity, and performance management
- 2 or more years of Tivoli Enterprise tools, DB2 and CICS region management and maintenance experience.
- Experience integrating new technologies with existing technologies
- Experience implementing technologies with enterprise-wide impact
- Must be passionate about contributing to an organization focused on continuously improving consumer experiences
- Experience managing major projects from end to end
- Analyze and debug CICS and WebSphere MQ series performance problems using Tivoli Enterprise Portal (TEPS), Introscope, etc.
- Analyze and debug WebSphere Application Server (WAS) problems including heap usage, garbage collection, CPU response, EC3 abends and backend systems.
- Troubleshoot other WebSphere related issues using EJES to check logs, TEPS, and Omegamon.
- Respond to Hot Terminal, SSA Alerts and email messages identifying problems.
- Identify and report Z/OS, JES3, Top Secret and other underlying system software problems.
- Identify and troubleshoot CICS and database problems.
- Download CICS system and application dumps.
- Perform CICS system dump analysis and provide recommendations.
- Troubleshoot DB2, Oracle and IDMS problems.
- Demonstrate CICS programming experience using, Java, Common Business Oriented Language (COBOL), or assembly to identify and isolate problems.
- Upon determination and resolution of a problem, ensure that all members of the monitoring room staff, management, developers and customers are briefed on the problem including how the problem was detected, resolution alternatives and reasoning for the course of action taken.
- Monitor WebSphere MQ and WebSphere Application Server (WAS) applications using various monitoring tools including Omegamon/Omegaview, Tivoli ITCAMS, CICSplex, Introscope, Dynatrace and ABEND Aid to identify and isolate problems.
- Monitor more than 700 CICS regions in production, training and integration environments using various monitoring tools including Omegamon/Omegaview, Tivoli ITCAMS, CICSplex and ABEND Aid to identify and isolate problems.
- Update all troubleshooting databases as needed via SMAB's internal reporting mechanism (the Greenbook) detailing event and actions taken, and opening and closing associated CAPRS tickets as requested, publicly documenting problem or resolution information.
Desired Skills:
- Maintain operating system performance parameters
- Performs mid-level troubleshooting
- Monitor critical system resources
- Real-time performance monitoring
- Supports operating system upgrades
- Review workload delay data to determine root cause and effect on system throughput
- Provide On-call 7 x 24 rotation, weekend work, etc.
- Works through differences of opinion with others in an objective and constructive manner to achieve results while maintaining composure when dealing with difficult people and challenging situations
- Speaks effectively, clearly communicating thoughts in person and in writing, ideas, and information in groups and/or in one-on-one discussions
- Demonstrates enthusiasm, concern, and a sense of urgency for issues that are important to others
- Actively involved in the team process by making suggestions, proposing solutions, and researching problems
Education:
- Bachelors degree with 3 years of experience
- Must be able to obtain a Public Trust Clearance
