Job Description

**Calling all innovators - find your future at Fiserv.** We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv. **Job Title** Senior Mainframe Performance Engineer (z/OS) **About your role:** You will be responsible for analyzing, monitoring, and optimizing the performance of mainframe systems. This role involves identifying performance bottlenecks, implementing improvements, and ensuring the efficient operation of critical business applications meet SLAs and KPIs. **What you'll do:** + Conduct detailed analysis of mainframe performance metrics to identify areas for improvement as well as generating detailed reports on system performance and present findings to management while interpreting performance data and identify bottlenecks or problems + Continuously monitor mainframe systems to ensure optimal performance and reliability + Develop and implement strategies to enhance system performance, including tuning and configuration adjustments + Work closely with systems programmers, administrators, and other IT staff to troubleshoot and resolve performance issues while maintaining comprehensive documentation of performance issues, solutions, and system changes + Conduct regular system audits to ensure compliance with performance standards and identify potential issues. + Participate in disaster recovery planning and testing to ensure system resilience + Work collaboratively with systems programmers, system administrators, development programmers and other IT staff to ensure efficient operation of the mainframe system + Document mainframe capacity and performance issues and implement procedures for system performance optimization **Experience you'll need to have:** + 10+ years' experience with the Mainframe + 6+ years of experience in mainframe performance analysis and optimization. + Strong analytical skills, proficiency in performance monitoring tools (e.g., RMF, OMEGAMON, SYSVIEW, MAINVIEW), and excellent problem-solving abilities. + Bachelor's degree in a related field or an equivalent combination of education, military, and work experience **Experience that would be great to have:** + Knowledge of key subsystems such as DB2, CICS, MQ, HSM, DASD and Tape devices, Catalogs, Coupling Facilities, and Sysplexes + Relevant certifications in mainframe technologies and performance management + In-depth knowledge of mainframe architecture, operating systems (e.g., IBM z/OS), and job control languages (e.g., JCL) + Mainframe languages such as Assembler, Cobol, SAS, REXX + Linux, z/OCF and CP4D is a plus **How you'll work:** + This role requires use of a computer and audio equipment \#mainframe \#mainframecomputing \#zOS \#IBM \#WeAreMainframe **Salary Range** $114,000.00 - $195,400.00 _These pay ranges apply to employees in Illinois, California and District of Columbia. Pay ranges for employees in other states may differ._ It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran. For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company's sole discretion. Thank you for considering employment with Fiserv. Please: + Apply using your legal name + Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable). **Our commitment to Equal Opportunity:** Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com . Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information. **Note to agencies:** Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions. **Warning about fake job posts:** Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

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