Senior / systems engineer

Fiserv
Lansing, MI

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 z/OS Systems Engineer

What does a successful Senior z/OS Systems Engineer do at Fiserv?

You will be responsible for designing and implementing automated solutions in the z/OS environment, supporting opportunities coming from customer requests or as opportunities that present themselves to the engineer. As a senior engineer, your focus will include saving our customers time, enhancing their daily experience, and improving the overall quality of data captured. Customers include the Mainframe organization, as well as any other Fiserv business unit that performs tasks on the z/OS platform. You will work and deliver on multiple projects simultaneously.

What you will do:

  • Utilize REXX, TSO, ISPF, DB2, batch JCL etc. to create interactive utilities and perform batch processing

  • Support existing in-house solutions that the team has implemented over the years.

  • Provide customer support for vendor provided applications, like JCK, Infoman, etc.

  • Perform Proof of Concept exercises for potential vendor provided applications

  • Seek opportunities to help other Fiserv associates and departments, by finding processes and tasks that can benefit by automation

  • Respond to customer requests as received

  • Work with customers to gain an understanding of their requirements, develop a proposed solution, and build the agreed upon utility or batch process

What you will need to have:

  • 8+ years of experience with z/OS, in BMC Mainview Autooperator/CSM, Broadcom's OPS/MVS, TSO, ISPF, Microsoft Office products

  • 5+ years of experience with REXX, TSO commands, ISPF Dialog Tag Language, DB2, JCL, and SAS/WPS

  • 5+ years of experience with CA7, Control-M, Endevor, IDz, ADDI

  • Bachelor's degree in computer science, or an equivalent combination of education, military, and work experience

What would be great to have:

  • Working knowledge of z/VM and IBM z Virtualization, and OMVS segment/ z/OS UNIX shell

  • Visual Studio and Mainframe DevOps tools and concepts

  • Ansible, Linux, CI/CD architecture and methodology, Ansible, Kubernetes, containerization

  • Repository experience using GitLab and scripting experience with Shell or Python

  • Experience leading project teams, preferably on large scale modernization projects

Important info about this role:

  • Due to contractual obligations, you must be a U.S. Citizen and not require sponsorship

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.

#LI-AB1

Salary Range

$90,000.00 - $158,400.00

These pay ranges apply to employees in Colorado, Hawaii, Illinois, Nevada, Rhode Island and Washington. Pay ranges for employees in other states may differ.

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.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

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 [email protected] . 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.

Posted 2025-11-08

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