Mainframe Performance & Capacity Engineer

Every day, Global Payments makes it possible for millions of people to move money between buyers and sellers using our payments solutions for credit, debit, prepaid and merchant services.  Our worldwide team helps over 3 million companies, more than 1,300 financial institutions and over 600 million cardholders grow with confidence and achieve amazing results.  We are driven by our passion for success and we are proud to deliver best-in-class payment technology and software solutions.  Join our dynamic team and make your mark on the payments technology landscape of tomorrow. 

Summary of This Role:

In a high visibility, high pressure role; designs, develops, configures, and maintains enterprise IBM Z machine infrastructure systems as well as installed third-party systems components to ensure reliability in accordance with user needs and technical specifications while meeting defined service level agreements for availability and file delivery. Recognizes and troubleshoots problems with hardware, operating systems, and third-party software running on an IBM Mainframe; and proactively eliminates roadblocks to potential processing challenges. Maintains a  consultatively collaborative relationship with infrastructure, business, and application partners; as well as clients and vendors. Performs and supports operational processes improvements and automation across multiple environments ensuring all tasks are managed and conducted to the highest possible standards.  Establishes and documents standards and procedures (including disaster recovery procedures) for compliance and audit. As a multi discipline SME elevates technical competency while communicating with and providing technical support and metric reporting to system users as well as internal & external clients.  Seeks to drive efficiency through automation while increasing stability, reducing risk, and minimizing expense.

Essential Duties:

As part of a team, with minimal supervision while providing technical guidance to junior team members:

• Devises or modifies procedures to solve complex problems considering mainframe computer capacity and limitations, operating time and desired results

• Works closely with operations teams to ensure successful peak days processing; timely SLA delivery, and implementation of processing efficiency improvements while maintaining 100% system availability

• Prepares charts and diagrams to assist in problem analysis; driving to  recommendations for solutions

• SLA Trend analysis, Batch Performance tuning, Class & Priority tuning, initiator structure tuning

• System analysis - Ability to monitor, recognize, and escalate system issues impacting services in a rapidly evolving and dynamic environment

• Configures IBM Z machines in a complex environment of multiple Parallel Sysplex’s, maximizing performance of z/OS systems and applications, while minimizing risk and expense

• Defines, analyzes and adjusts WLM performance goals of workloads to achieve satisfactory response time and maintain SLA attainment

• Projects, recommends, and implements resource needs to support organic growth and planned software/hardware changes using SMF/RMF data, statistical modeling, zPCR, and in house developed VBA and Python tools.

• Supports disaster recovery procedures, demonstrating a thorough knowledge of disaster recovery techniques and drives to ever faster RTO’s.

• Generates concise and compelling capacity and system KPI’s,  communicating them clearly to higher levels and for executive summary.

• Enhances the automation of a large knowledge repository using SAS/MXG to process SMF & RMF data.

• Provides IBM Z infrastructure technical expertise throughout the software and hardware lifecycle including design, implementation and delivery.

• Works directly with internal and external clients translating knowledge and data analysis into impactful insight.

• Performs other duties as assigned.

Minimum Qualifications:

• In Depth knowledge of SAS, SMF, RMF, WLM, Linear Regression, MS Excel

• 4+ yrs Mainframe capacity planning and system performance experience.

• Working knowledge of JCL, SQL, SCRT, CA7, and zPCR

• Excellent communication, presentation, and documentation skills with proficiency in MS/Google Office product suites.

• Team P