The zOS Software Developer role at IBM involves providing advanced technical support for IBM products, particularly focusing on z/OS middleware. The position requires deep technical expertise in z/OS internals and proficiency in low-level programming languages. The successful candidate will work closely with development and customer technical teams to diagnose and resolve complex issues. This role emphasizes collaboration, problem-solving, and the ability to communicate technical information effectively.

• High School Diploma or GED is required, with a Bachelor's Degree preferred.
• Strong experience with IBM z/OS operating system internals and middleware concepts.
• Proficiency in C, C++, PL/X, and IBM High Level Assembler.
• 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, and USS.

• Serve as the L3 technical support escalation point for complex customer-reported issues on z/OS middleware products.
• Perform advanced problem determination using tools such as z/OS dumps, IPCS, traces, logs, and diagnostic utilities.
• Debug product code written in C, C++, PL/X, and IBM High Level Assembler.
• Collaborate with development teams to reproduce defects, validate fixes, and create code patches where appropriate.
• Analyze system abends, performance issues, storage violations, and resource contention situations.
• Provide technical guidance to Level 1 and Level 2 support teams.
• Work with customers to gather diagnostic data and provide clear and timely updates.
• Contribute to product documentation, technical guides, and internal knowledge bases.

• IBM offers competitive compensation, healthcare coverage, retirement programs, paid parental leave, tuition assistance, wellness programs, flexible work options, and extensive learning and certification resources.