Introduction
At IBM Infrastructure & Technology, we design and operate the systems that keep the world running. From high‑resiliency mainframes and hybrid cloud platforms to networking, automation, and site reliability. Our teams ensure the performance, security, and scalability that clients and industries depend on every day. Working in Infrastructure & Technology means tackling complex challenges with curiosity and collaboration. You’ll work with diverse technologies and colleagues worldwide to deliver resilient, future‑ready solutions that power innovation. With continuous learning, career growth, and a supportive culture, IBM provides the opportunities to build expertise and shape the infrastructure that drives progress.
Your Role And Responsibilities
As a SW Premium Support Professional for z/OS Communications Server – Network on mainframe, you will be part of a team that provides technical support to dedicated IBM clients assisting on problem determination, corrective actions and recommendation, collaborating with the customer as well as other IBM teams globally to drive problems to a solution, mainframe network availability, mitigating issues and aggregating resilience to the environment.
You will be responsible for recommending and implementing new improvements to the environment reviewing procedures and processes to improve reliability, uptime, and serviceability. You should exhibit strong problem‑solving skills, a desire to face new and unique challenges each day, and strong communication skills.
Preferred Education
Master's Degree
Required Technical And Professional Expertise
Bachelor’s degree in computer science, Computer Engineering, Electrical Engineering, Math, Science, or related field, and/or equivalent experience.
Excellent English communication skills (verbal and written).
Acting in a respectful and professional manner to represent IBM to its high‑profile clients.
Working in high pressure, dynamic situations with a large degree of autonomy.
Focuses on troubleshooting and supporting z/OS Communications Server software issues.
Manages and implements z/OS TCP/IP and VTAM protocols for secure communications using AT‑TLS, IPSec and IDS.
Analyze and resolve complex incidents.
Troubleshooting data collection: TCPIP traces, Packet tracing, VTAM traces e dumps. Sysplex and Parallel Sysplex. z/OS proficiency: JCL, TSO/ISPF, SMP/E, JES2, REXX, SMF/RMF.
Preferred Technical And Professional Experience
Client facing technical support professional experience.
Experiences working with a global team.
Additional and desired skill:
Configuration Assistant for z/OS Communications Server.
z/OS Container Extensions (zCX) knowledge.
IBM z Netview for managing z/OS Communications Server.
OMEGAMON for Networks on z/OS.
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