Role & responsibilities >Analyze existing and anticipated system software needs and provide recommendations to ensure alignment with the organization's evolving requirements. > Serve as the Subject Matter Expert (SME) for mainframe z/OS system programming, specializing in problem analysis and resolution. > Offer expert-level support and mentorship to team members on technical matters. > Review and propose updates to system software to ensure it supports both current operations and future organizational goals. > Demonstrates strong problem-solving abilities and customer-focused support while resolving infrastructure and application issues on z/OS systems. Preferred candidate profile We are seeking an experienced z/OS System Administrator to manage and support our mainframe infrastructure with a strong focus on work management, user administration, journal and performance management. The role requires acting as a domain expert for the z/OS operating system and its components, providing hands-on technical support during the planning, coordination, and execution of installations, upgrades, and maintenance. The candidate will be responsible for supporting assigned ISV products, troubleshooting z/OS system and product issues, performing root cause analysis, and responding to performance-related concerns from internal IT teams. In addition, the role includes participating in new product evaluations, installations, and scheduled Disaster Recovery testing activities. The ideal candidate will have validated expertise in z/OS, Unix System Services, SMP/E, REXX, Java, VSAM, BRMS, Tape Management, and ATL/VTL. Proven experience in supporting third-party/ISV products is essential. The individual should possess strong analytical skills to identify complex issues, propose effective solutions, and contribute to the development of new procedures or system enhancements. Responsibilities also include leading internal operations meetings (in absence of P1 incidents), supporting problem management trend analysis, and acting as a technical lead for projects impacting the z/OS platform. A customer-focused mindset, commitment to SLAs, and proactive approach to issue resolution are critical for success in this role.
Required Technical and Professional Expertise Minimum 7+ years of experience in z/OS System Administration environment with work management, user management, journal management and performance management Act as support and domain expert for z/OS operating system and system components; provide direct technical support as needed in the planning, coordination, installation, implementation and testing of releases, upgrades, or changes to z/OS operating system, network, and component software Primary support for assigned ISV products along with diagnose z/OS platform system and product issues and follow up with root cause analysis Analyse performance issues while providing technical consultation and inquiries from the other IT technical teams Support for new product installation and evaluation as needed Participate in Disaster Recovery planning and tests as scheduled Assume personal responsibility for resolving problems in most effective way possible within SLA reaching root cause and preventing problems Lead daily Operations meetings provided there are no P1 incidents running Aid with identifying problem management trends Validated knowledge in the following technologies: z/OS, Unix System Services, SMP/E, REXX, Java, VSAM, Third party products Proven experience in providing support for ISV products. Ability to Recognize complex problems related to functional objectives. Analyze situations and implement solutions, or develop new system elements, procedures or processes and demonstrated ability on BRMS, Tape management, ATL/VTL for Tape Libraries Can act as the technical lead on internal team projects or participate on project teams that impact the z/OS platform Preferred Technical and Professional Experience * Bachelors degree in computer science or a related field. * SME for MF ZOS system programming problem determination. * Technical guidance to the team. * Evaluate and recommend changes to current and future system software requirements to meet the organization's needs. * Excellent troubleshooting and customer service skills. * Troubleshoot Infrastructure and Application issues related to ZOS.