Senior Mainframe Systems Programmer (z/OS-Network)

Fiserv

Actively hiring
Annapolis, MD Posted 40 days ago $109,000–$152,000 / year
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At a glance

AI generated

TL;DR

As a Senior Mainframe Systems Programmer on the z/OS team, you will oversee the installation, configuration, and maintenance of TCP/IP, VTAM Unix System Services, and portions of z/OS. Your daily tasks include installing Connect:Direct (NDM), MSM, and InterTest Batch using SMP/E, designing REXX utilities to streamline processes, and supporting a redundant TCPIP network for a Parallel Sysplex with Dynamic VIPA and HiperSockets. You will also manage non-shared USS file systems accessible by all LPARs within a Sysplex, troubleshoot network issues, apply ciphers, and diagnose AT-TLS configurations. This role requires extensive experience in z/OS mainframe communications, TCP/IP, DNS, DHCP, JCL, UNIX Shell, IBM system utilities, and network monitoring tools, along with familiarity with cloud networking and hybrid cloud environments. Ideal candidates have a background in the financial services industry or other highly regulated sectors.

Skills

zOS TCP/IP VTAM Unix_System_Services SMP/E REXX Dynamic_VIPA Sysplex_Distributor HiperSockets AT-TLS IPCS JCL UNIX_Shell IBM_system_utilities network_monitoring_tools Cisco_routers_and_switches firewalls VPNs Cloud_networking hybrid_cloud

What you'll do

  • Install and maintain Connect:Direct (NDM), MSM, and InterTest Batch.
  • Design and develop REXX utilities to streamline processes.
  • Support a redundant TCP/IP network for Parallel Sysplex using Dynamic VIPA.
  • Diagnose and resolve AT-TLS configurations and network connection issues.
  • Troubleshoot started task abends using IPCS tools.

What we're looking for

  • 9+ years of z/OS mainframe communications experience
  • 7+ years each in TCP/IP, DNS, DHCP, and core networking protocols with hands-on Cisco skills
  • Expertise in configuring secure data transmissions with firewalls and VPNs
  • Proficiency in JCL, UNIX Shell, IBM system utilities, and network monitoring tools
  • Experience supporting redundant TCPIP networks for Parallel Sysplex environments
  • Troubleshooting and diagnosing network issues using packet traces and IPCS
  • Familiarity with cloud networking in hybrid cloud environments integrated with Z

Market check

Salary context

This $109,000–$152,000 range sits above 7% of similar postings on FindRole.

Peer median band

$117,000–$207,650

Median floor and ceiling across peers.

Typical midpoint (25–75%)

$140,075–$193,562

Middle half of comparable postings.

Based on 240 comparable postings.

* 240 is the maximum number of comparable postings sampled.

Employer

About Fiserv

Fiserv is a global leader in financial services technology, providing core banking platforms, payment processing, digital banking, and merchant acquiring solutions to financial institutions and businesses. Industry: Financial Technology & Payments

Fiserv currently has 87 open roles on FindRole.

Listed pay typically runs $110,000–$186,000 across 58 roles with salary data.

Most-posted roles

View all roles at Fiserv

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