SRE Professional - zNetwork

At IBM Finance & Operations, we are the backbone of IBM’s transformation driving efficiency, transparency, and smart decision-making across the business. Our teams provide the insight and discipline that guide strategy, ensure financial strength, and enable IBM to invest in innovation and growth. Working in Finance & Operations means combining analytical skills with collaboration and curiosity. You’ll partner with colleagues across functions and geographies, using data, technology, and process excellence to create solutions that improve performance and deliver measurable impact. IBM offers continuous learning, career development, and a culture that values diverse perspectives. Join us and be part of a global team that keeps IBM moving forward, while building your own future in a dynamic and evolving environment.

As an SRE in IBM CIO Platform Engineering (CPE), you will maintain, support, and help to enhance multiple aspects of the Z networking environment. Some responsibilities: You will maintain, support and help to enhance the networking platform in a large Z system environment that supports IBM's internal applications.

You will use tools to monitor SAN infrastructure and keep it technically sound and updated. You'll have the opportunity to identify points of improvement in technical processes and propose new ways to do it through automation, help our customer to resolve their pain points and, through co-creation, define solutions that allow improving the efficiency of their operations. Strong expertise with IBM Communications Server on z/OS and z/VM, including VTAM, SNA/APPN/HPR, and TCP/IP. Hands-on experience troubleshooting PU/LU sessions, CP/EN/NN nodes, and multi-hop network paths. Proven experience resolving large-scale enterprise connectivity incidents involving 50–300+ LPAR environments. Deep familiarity with HiperSockets, OSA-Express adapters, XCF signaling, virtual switches, and z/VM guest networking. Advanced diagnostic skills using VTAM internal traces, packet traces, Netstat, D NET, D TCPIP, IPCS, and system logs. Solid understanding of how SAN, virtualization layers, and distributed networks interact with mainframe connectivity. Demonstrated success leading root-cause analysis and producing clear, structured Action Taken/Action Plan documentation. Experience driving configuration standardization, architecture alignment, or environment modernization initiatives. IT Service Management: Experience with IT service management principles and practices, ensuring seamless operation and minimal downtime of I/T systems. AI Proficiency: Experience with Prompt Engineering and use of LLMs to derive AI-first solutions to operational problems. Developing AI Agents is a plus. Coding Skills: Experience with coding technologies, preferably Python for developing AI and automation solutions. Brazil Infrastructure & Technology Hybrid Professional HORTOLANDIA, BR