zOS Software Developer

Introduction At IBM Software, we transform client challenges into solutions. Building the worldu2019s leading AI-powered, cloud-native products that shape the future of business and society. Our legacy of innovation creates endless opportunities for IBMers to learn, grow, and make an impact on a global scale. Working in Software means joining a team fueled by curiosity and collaboration. Youu2019ll work with diverse technologies, partners, and industries to design, develop, and deliver solutions that power digital transformation. With a culture that values innovation, growth, and continuous learning, IBM Software places you at the heart of IBMu2019s product and technology landscape. Here, youu2019ll have the tools and opportunities to advance your career while creating software that changes the world. Your role and responsibilities We are seeking an experienced Technical Engineer to provide advanced technical support for the IBM this role, you will act as the highest escalation point for complex product issues, working closely with development, system programmers, and customer technical teams to diagnose, analyse and resolve challenging problems in production and test environments. This position requires deep technical expertise in z/OS internals, strong diagnostic capabilities, and proficiency across lowu2011level languages used in mainframe product development.u00b7 Serve as the L3 technical support escalation point for complex customeru2011reported issues on z/OS middleware products.u00b7 Perform advanced problem determination using tools such as z/OS dumps, IPCS, traces, logs, and diagnostic utilities.u00b7 Debug product code written in C, C++, PL/X, and IBM High Level Assembler.u00b7 Collaborate with development teams to reproduce defects, validate fixes, and create code patches where appropriate.u00b7 Analyze system abends, performance issues, storage violations, and resource contention situations.u00b7 Provide technical guidance to Level 1 and Level 2 support teams.u00b7 Work with customers to gather diagnostic data and provide clear and timely updates.u00b7 Contribute to product documentation, technical guides, and internal knowledge bases.u00b7 Participate in onu2011call rotations (if applicable). Required technical and professional expertise Strong experience with IBM z/OS operating system internals and middleware concepts. Proficiency in: C, C++, PL/X, IBM High Level Assembler (HLASM). Ability to interpret and analyze system dumps, SVC dumps, IPCS reports, diagnostic traces and logs. Understanding of z/OS subsystems such as JES2/JES3, VTAM, RACF, WLM, USS. Experience working with z/OS debugging and profiling tools. Excellent analytical and debugging skills with a methodical approach. Strong written communication skills, ability to explain complex technical issues clearly and ability to work collaboratively across teams. Preferred technical and professional experience Experience with IBM mainframe middleware (CICS, MQ, DB2, IMS, etc.). Knowledge of modern DevOps or build automation tools. Customeru2011facing support experience.IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

Created: 2026-04-04