Job Description:
The Enterprise Infrastructure (EI) Operations Services team is looking for an extremely motivated z/OS Capacity Planner and Performance Engineer (Principal level). You will work in a team focused on providing stability through solving and preventing performance problems and providing capacity planning services at the hardware, software, and business application levels. In this role, you will be responsible for providing monitoring, analysis and reporting of utilization levels and business volumes as well as provide forecasting and recommend provisioning of resources for mainframe processor and peripheral hardware components. You will also be responsible for monitoring, tuning, and reporting on z/OS performance and efficiency.
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As a Mainframe Capacity and Performance Engineer on the team, you will be expected to use standard industry methods and tools to solve complex performance and capacity issues and innovate new methods and reports to provide value to the mission.
This responsibility includes collaborating and partnering across the entire organization and with vendor partners. As a member of the Enterprise Infrastructure and Operations team, the Capacity Planner and Performance Engineer is both technically competent and business oriented. Our team supports internal customers spread across a variety of business and technical units.
The Expertise You Have
- Strong working experience as a Capacity & Performance Engineer providing performance improvements and evaluating capacity needs, both present and future, in a complex enterprise
- Ability to work under minimal supervision
- Ability to report, analyze and solve systems performance tuning issues.
- Solid knowledge IBM zEnterprise server hardware and of RMF, SMF, SAS, MXG, Intellimagic and other tools.
- Deep understanding, analysis skills of RMF, SMF, CICS, DB2 and MQ subsystems' SMF data to trouble shoot application and system related performance problems on the zOS platform
- Ability to generate ad-hoc reports and data processing workflows using MXG PDBs and other machine generated data of the zOS platform. Automating such workflows using SAS, R, Python and Power BI programming languages.
- Extensive and varied knowledge of usage of MXG to process SMF data into PDBs using SAS. Knowledge of statistical analysis of SMF data to interpret existing state of the system, and to forecast the possible future states would be desirable.
- Ability to design complex SYSPLEX configurations
- Extensive history creating metrics reports for daily operations, projects, and ad hoc requests with demonstrable ability to analyze data to identify trends and process enhancement opportunities
- Experience working in an Agile environment
- Ability to interpret WLM policies, fine tune the policies for performance.
- Ability to understand both GP & zIIP PR/SM Weighting Factor & Logical CP Configuration Optimization methods
- Ability to understand zIIP SMT1 vs SMT2 Performance Tuning & Capacity Planning optimization methods
- Planning, baselining and quantifying of application and system performance for doing a before and after analysis in a variety of scenarios.
- Deep knowledge and expertise in using real time monitoring tools like Broadcom SYSVIEW especially for CICS, DB2 and MQ subsystems.
- Plan and optimise capacity of CICS and MQ subsystems in response to changing business and application demands of the individual business units.
- Knowledge of resource charge back models on the zOS platform. Experience
The Skills You Bring
- Committed to advancing our tools, technology, and ways of working to better serve our clients and their evolving business needs.
- Experience and confidence working with all levels of leadership; excellent written and verbal skills with ability to connect with senior leadership, quickly and concisely, relaying technical summaries in non-technical terms.
- Self-motivated and collaborative in your approach.
The Value You Deliver
- Provides technical support and reporting for other EI teams/users and other mainframe BU partners for performance related issues.
- Reviews MIPS consumption at the CPC, LPAR, and ASID level and adjusts where necessary to meet business needs.
- Plan, forecast, monitor, and tune capacity and performance of hardware, operating systems, storage devices, and applications to address applications and user service requirements.
- Review mainframe batch cycle runs to ensure timely ends and adjust capacity to meet the SLAs.
- Provides projected mainframe capacity studies for new mainframes and/or capacity increases.
- Reviews and actively manages system memory usage for both LPARs and Coupling Facilities and submits changes to effectively utilize those resources more efficiently.
- Understand and analyze Batch Performance with recommendations to help meet batch SLOs/SLAs.
- Understand and recommend optimal DR Performance/Capacity configuration.
Certifications:
Category:
Information Technology
Fidelity's hybrid working model blends the best of both onsite and offsite work experiences. Working onsite is important for our business strategy and our culture. We also value the benefits that working offsite offers associates. Most hybrid roles require associates to work onsite every other week (all business days, M-F) in a Fidelity office.