Senior Mainframe DB2 DBA Support, Systems Administration

Who We Are At Kyndryl, we run and reimagine the mission-critical technology systems that drive advantage for the world's leading businesses. We are at the heart of progress; with proven expertise and a continuous flow of AI-powered insight, enabling smarter decisions, faster innovation, and a lasting competitive edge. For our people-Kyndryls-that means doing purposeful work that powers human progress. Join us and experience a flexible, supportive environment where your well-being is prioritized and your potential can thrive. The Role As a Senior Mainframe DB2 DBA and Systems Administrator, you will install, maintain, and upgrade internal IT hardware and software infrastructure used for product design and development, while managing user access control and system security. Responsibilities Administer, install, configure, upgrade, and maintain DB2 for z/OS database environments. Monitor database health, performance, availability, and capacity, executing regular backup, recovery, and disaster recovery procedures. Manage database objects, review designs, tune SQL queries, and assist application teams with database troubleshooting. Analyze and resolve database incidents, conduct root cause analysis (RCA), and maintain access controls and database security. Collaborate with cross-functional mainframe teams, manage ITIL-based changes, ensure audit compliance, and maintain operational documentation. Participate in on-call rotations and weekend support while driving task automation, service improvements, and junior team mentorship. Your future at Kyndryl Every position at Kyndryl offers a way forward to grow your career, from Junior System Administrator to Architect. We have opportunities for Cloud Hyperscalers that you won't find anywhere else, including hands-on experience, learning opportunities, and the chance to certify in all four major platforms. One of the benefits of Kyndryl is that we work with clients in a variety of industries, from banking to retail. Whether you want to broaden your knowledge base or narrow your scope and specialize in a specific sector, you can find your opportunity here. Who You Are You're good at what you do and possess the required experience to prove it. However, equally as important - you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused - someone who prioritizes customer success in their work. And finally, you're open and borderless - naturally inclusive in how you work with others. Required Technical and Professional Expertise 5+ years of experience supporting IBM DB2 for z/OS environments with strong knowledge of z/OS operating system fundamentals. In-depth understanding of DB2 database architecture, administration, high availability, and disaster recovery concepts. Practical experience running core DB2 utilities including REORG, RUNSTATS, COPY, RECOVER, LOAD, UNLOAD, and CHECK utilities. Proven ability to analyze and tune SQL, monitor database performance, and troubleshoot production issues using logs, traces, and dumps. Hands-on experience with incident, problem, and change management processes Preferred Technical and Professional Experience Bachelor's degree in computer science or a related field. Experience supporting large-scale enterprise mainframe environments, DB2 Data Sharing architecture, and version migrations or upgrades. Hands-on experience with performance monitoring tools like IBM OMEGAMON or Query Monitor, as well as capacity planning and SQL tuning. Knowledge of RACF security administration concepts, automated scripting, and disaster recovery planning. Proven track record working in globally distributed support teams following structured ITIL operational processes. Being You The "Kyn" in Kyndryl means kinship, which represents the strong bonds we have with each other, our customers and our communities. We focus on ensuring all Kyndryls feel included and we welcome people of all cultures, backgrounds, and experiences. Even