Systems Engineer, Sr - Mainframe

Company: Fiserv
Location: Marietta
Posted on: August 28, 2020

Job Description:

What does a great Systems Engineer, Sr do?The primary purposes of the Sr Systems Engineer in z/OS Performance are analyzing the performance and capacity of z/OS systems, performance of services and application processes, preparing capacity forecasting reporting on a monthly basis for z/OS Mainframe systems, and providing global z/OS Performance support for all of Fiserv's mainframe installations.As a Systems Engineer, Sr you can look forward to

• Estimating and recommending the resource needs to support planned software/hardware upgrades.
• Verifying the correct operation of z/OS operating system and subsystems.
• Validating correct performance of features supporting the Data Center's Parallel Sysplex.
• Analyzing the Sysplex configuration for proper performance by studying appropriate RMF reports.
• Identifying the workload delayed, and the reason for the delay.
• Identifying performance problems, evaluating appropriate cost-effective changes, predicting the effect of those changes, and then implementing them.
• Defining and adjusting WLM performance goals of workloads based on business needs.
• Analyzing I/O configuration and subsystems considering the performance implication of the interactions of the components.
• Defining and implementing WLM service definitions based on SLA and following Change Control process.
• Customizing RMF facilities to monitor workload performance and resource utilization.
• Analyzing WLM and adjusting WLM service policy following Change Control process to ensure server level agreements are reached.
• Using RMF III Interactive Performance Analysis to isolate and fix system degradation problems.
• Analyzing CICS, WebSphere, IIB, MQ, and other online subsystems transactions to ensure Service Level Agreements (SLAs) are met.Basic Qualifications for Consideration
  • 6--years' hands-on experience supporting z/OS Capacity and Performance processes and solutions such as WLM, RMF, RMF Monitor III, and RMF Post Processor
  • At least five years working knowledge of internal working knowledge of z/OS and systems such as DB2, CICS, MQ, and CFs
  • Associates degree in Computer Science/Management or related fieldPreferred Skills, Experience, and Education:
    • Bachelors degree in Computer Science or related field
    • Working knowledge of JCL, SAS/WPS and REXX or Python highly desirableLearn more about Fiserv: Life moves fast. And as it does, we know most people aren't thinking about "financial services" But we are. We help people and businesses move money and information every minute of every day. Our solutions connect financial institutions, corporations, merchants and consumers to one another, millions of times a day, behind the scenes, reliably and securely. We're Fiserv, a global leader in Fintech and payments enabling innovative financial services experiences that are in step with the way people live and work today. The company's approximately 44,000 associates proudly serve clients in more than 100 countries, so their customers, members and consumers can move money when and where they need it, at the point of thought. Our Aspiration is to move money and information in a way that moves the world. As a FORTUNE--- 500 company and one of FORTUNE Magazine World's Most Admired Companies for the sixth consecutive year, we are committed to excellence and purposeful innovation. Explore the possibilities of a career with Fiserv and Find Your Forward with us.We welcome and encourage diversity in our workforce. Fiserv is an equal opportunity employer/disability/vet

Keywords: Fiserv, Marietta , Systems Engineer, Sr - Mainframe, IT / Software / Systems , Marietta, Georgia