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zSystems Performance Management, WLM- VP

Company: Citigroup Inc.
Location: Irving
Posted on: June 12, 2021

Job Description:

Citi's technology team is growing at lightning speed, and we're looking for talented technologists to help build the future of global banking. Our teams are creating innovations used across the globe - we're changing the way people bank and how the world does business. Citi's technology team supports business operations in 100+ countries, across multiple lines of business spanning both Institutional and retail businesses. The group works to optimize the IT environment by standardizing production platforms, reducing complexity, and introducing innovative solutions that provide new business capabilities, reduce total cost of ownership, and create a competitive advantage for Citi. Join an environment with a laser focus on growth and progress, and take your career to the next level through the power of Citi's unmatched globality and vast expertise.

The CTI Performance Management group supports the technology infrastructure of IBM System z, Systems.The Performance Analyst is responsible for maintaining and tuning the systems for optimal performance.

  • Evaluates mainframe computer performance and monitors system resource usage for capacity planning considerations.

  • These activities include zSystems capacity studies, performance analysis, resource usage analysis, configuration support, mainframe SMF/RMF data collection and reporting for problem determination, along with analysis of workload/workflow, stress testing, and analysis of all mainframe resources.

  • These activities are imperative for properly determining resource use and tuning mainframe resources for multiple zSystems mainframe computing environments.

  • Supports application development, integration testing and production using IBM z Systems processors in support of operational workloads

The role provides opportunities to work with different technical teams across our global footprint.


  • Bachelor's Degree

  • Must have US work authorization, this position is not sponsoring visas

  • 3+ years of mainframe experience

  • 3+ years experience of Workload Manager (WLM), performance analysis and tuning zSystems mainframes

  • SMF data analysis experience and experience with zSystems performance and capacity planning tools such as RMF, RMF Monitor III, Omegamon desired

  • Familiar with Capacity Provisioning Manager (CPM) a plus

  • Microsoft productivity tools including the MS-Office Suite (Outlook, Word, Excel, PowerPoint)

  • Effective analytic/diagnostic skills

  • A self-motivated individual who can work well with a team and communicate clearly.

  • Excellent time management and work prioritization skills with the ability to adapt to changes in a fast-paced and ever-changing environment.

  • Ability to employ creative thinking related to performance tuning.

  • Leadership skills without direct management

  • Very good communication skills, both written & verbal

  • Very good presentation skills

Keywords: Citigroup Inc., Irving , zSystems Performance Management, WLM- VP, Other , Irving, Texas

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