Mainframe zOS Systems Administrator

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 Your Role As a System Administrator at Kyndryl, you’ll solve complex problems and identify potential future issues across the spectrum of platforms and services. You’ll be at the forefront of new technology and modernization, working with some of our biggest clients-which means some of the biggest in the world. What You Will Do Administer, maintain, and optimize enterprise z/OS environments to ensure high availability, stability, security, and performance. Lead z/OS upgrades, migrations, and modernization initiatives, including implementation planning, testing, deployment, and rollback strategies. Install, configure, and support IBM and ISV system software, managing the full software lifecycle and SMP/E maintenance activities. Monitor system performance, analyze resource utilization, and implement tuning and capacity planning recommendations to support business growth. Design and enhance automation solutions using tools such as SA z/OS, OPS/MVS, NetView, and REXX to improve operational efficiency. Partner with security teams to strengthen platform security, support compliance initiatives, and implement industry best practices. Develop and validate disaster recovery, backup, and resiliency strategies to ensure business continuity. Provide expert support for key z/OS infrastructure components, including JES, USS, TCP/IP, WLM, RMF, SDSF, ISPF, and related technologies. Serve as the highest level technical escalation point for critical incidents, leading root cause analysis, risk mitigation, and service restoration efforts. Drive adoption of modern mainframe practices, including DevOps, CI/CD, infrastructure automation, observability, and AIOps solutions. Collaborate with vendors, stakeholders, and cross-functional teams to deliver infrastructure projects and strategic platform enhancements. Mentor and develop technical talent through coaching, knowledge sharing, documentation, and establishment of operational standards. Ensure compliance with governance, audit, risk, and service delivery requirements while continuously improving platform reliability and operational excellence. 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.