Senior Network Operations and Infrastructure Engineer
RingCentral
AnsibleAWSAzureCloudDNSFirewallsGoogle Cloud PlatformLinuxOraclePythonTCP/IP
Senior Mainframe Systems Programmer (z/OS)
Fiserv
full-time
Posted on:
Origin: • 🇺🇸 United States • Idaho, Ohio, Wisconsin
Visit company websiteJob Level
Senior
Tech Stack
DNSFirewallsTCP/IPUnix
About the role
- Responsible for the installation, configuration, maintenance and administration of TCP/IP, VTAM Unix System Services and portions of z/OS Install and maintain Connect:Direct (NDM), MSM and InterTest Batch utilizing SMP/E
- Work with capacity and performance teams in proactively addressing potential performance issues impacting service levels
- Design and develop utilities to streamline processes
- Support and participate in Disaster Recovery exercises and provide on call support
- Support a redundant TCPIP network for a Parallel Sysplex by making use of Dynamic VIPA and Sysplex Distributor
- Support non-shared USS file system in a Shared File system accessible by all LPARs within a Sysplex.
- Support and diagnose AT-TLS configurations
Requirements
- 7+ years of experience with the application of z/OS communications protocols and systems configuration
- 5+ years of experience with TCP/IP, DNS, DHCP, and possess a deep understanding of core networking protocols
- 5+ years of experience with JCL, UNIX Shell, IBM system utilities, Firewalls and VPNs
- Bachelor's degree in a related field or an equivalent combination of education, military, and work experience
- Strong understanding of transmission methods and software
- Experience in the financial services industry or other highly regulated industries
