Senior z/OS Systems Engineer jobs in United States
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Fiserv · 10 hours ago

Senior z/OS Systems Engineer

Fiserv is a global leader in Fintech and payments, connecting financial institutions, corporations, merchants, and consumers. The Senior z/OS Systems Engineer will design and implement automated solutions in the z/OS environment, focusing on enhancing customer experience and improving data quality while managing multiple projects.

Financial ServicesFinTechInformation ServicesInformation Technology
badNo H1BnoteU.S. Citizen Onlynote

Responsibilities

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

Qualification

Z/OSREXXDB2JCLSAS/WPSCA7Control-MIDzADDIMicrosoft OfficeAnsibleLinuxCI/CDKubernetesGitLabShell scriptingPython

Required

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

Preferred

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

Benefits

Annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards

Company

Fiserv is a provider of technology solutions to the financial services industry.

Funding

Current Stage
Public Company
Total Funding
$2.48B
Key Investors
BlackBird Financial LP
2026-01-06Post Ipo Equity
2025-04-29Post Ipo Debt· $2.48B
1986-10-03IPO

Leadership Team

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Michael Lyons
President and CEO-Elect, Fiserv
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Robert Hau
EVP, CFO
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Company data provided by crunchbase