Cybersecurity Engineering - Mainframe Security Lead

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 The Mainframe Security is responsible for safeguarding enterprise mainframe environments by managing access controls, monitoring security events, and ensuring compliance with organizational and regulatory standards. This role involves close collaboration with IT operations, audit teams, and business stakeholders to maintain a secure and resilient mainframe infrastructure. Key Responsibilities Administer and maintain RACF (or equivalent tools such as ACF2, Top Secret) to enforce logical access controls. Define, review, and update user profiles, groups, and permissions in z/OS environments. Monitor and analyze SMF records, logs, and reports to detect unauthorized access or anomalies. Support audits and compliance initiatives (SOX, ISO 27001, GDPR, LGPD). Implement and maintain encryption, digital certificates, and secure communication protocols on mainframe systems. Collaborate with cross-functional teams to resolve security incidents and strengthen preventive measures. Provide documentation and training on mainframe security policies and procedures. 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 va...