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Mainframe Systems Engineer (CICS)
Mainframe Systems Engineer (CICS)-February 2024
Cheyenne
Feb 10, 2026
About Mainframe Systems Engineer (CICS)

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

Mainframe Systems Engineer (CICS)

What does a successful Mainframe Systems Engineer (CICS) do at Fiserv?

In this role, you will provide senior-level CICS/TS technical support (installation, implementation, administration, and maintenance) for all Fiserv IBM mainframe-based CICS/TS solutions supporting the CPS, FRMS, EPAY and Optis platform in the US as well as Issuing, Acquiring, and Payments clients primarily in Argentina. This support includes working and supporting internal and external clients using IBM’s CICS/TS solutions.

What you will do:

Provide enterprise level IBM CICS/TS installations for our mainframe clients

Collaborate with Development, Operations, and other technical teams on new and existing CICS/TS project implementations

Maintain CICS/TS system options for optimum performance and availability

Assist with the development and maintenance of CICS/TS standards and roadmaps

Provide global on-call support

Work with internal and external clients in implementing CICS/TS solutions

Support and participate in Disaster Recovery exercises

Provide dump analysis and problem determination of root causes related to system problems and outages including storage violations.

Work with computer operations to quickly resolve incidents and automate operational processes such as IPLs, Cold Starts, and dump processing

Ensure High Availability and performance objectives are maintained as required by customers and management for operating systems and for software components

Administer using IBM and Independant Software Vendor products

Utilize CICSPlex and CICS Explorer

Utilize JAVA based applications including Liberty Profile.

What you will need to have:

10 years of engineering experience with CICS/TS in a large IBM z/OS Mainframe environment

6+ years of experience with mainframe software installation, maintenance and support

Bachelor's degree in a related field or an equivalent combination of education, military, and work experience

What would be great to have:

Previous experience with z/OS Connect Enterprise Edition or IBM MQ is desirable

Experience using of IBM Assembler and CICS/TS coding

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).

What you should know about us:

Fiserv is a global leader in payments and financial technology with more than 40,000 associates proudly serving clients in more than 100 countries. As one of Fortune ® magazine's "World's Most Admired Companies™" 9 of the last 10 years, one of Fast Company’s Most Innovative Companies, and a top scorer on Bloomberg’s Gender-Equality Index, we are committed to innovation and excellence.

Our commitment to Diversity and Inclusion:

Fiserv is an Equal Opportunity Employer, and we welcome and encourage diversity in our workforce that reflects our world. All qualified applicants will receive consideration for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other category protected by law.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

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 business email address. We will not hire through text message, social media, or email alone, and any interviews will be conducted in person or through a secure video call. We won’t ask you for sensitive information nor will we ask you to pay anything during the hiring process. We also won’t send you a check to cash on Fiserv’s behalf.

If you see suspicious activity or believe that you have been the victim of a job posting scam, you should report it to your local FBI field office or to the FBI’s Internet Crime Complaint Center.

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