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 Mainframe Cybersecurity Specialist, you will be responsible for securing IBM z/OS mainframe environments by implementing, administering, and maintaining enterprise security controls. The role focuses on protecting critical business systems, ensuring regulatory compliance, managing user access, and mitigating security risks across the mainframe infrastructure.
What you will do
Administer and maintain mainframe security products such as RACF, ACF2.
Manage user provisioning, access controls, authentication, and authorization processes.
Conduct security audits, compliance reviews, and risk assessments for mainframe environments.
Monitor and respond to security incidents, vulnerabilities, and unauthorized access attempts.
Implement security policies, standards, and controls aligned with organizational and regulatory requirements.
Perform security reviews of mainframe applications, databases, and infrastructure components.
Collaborate with infrastructure, operations, application, and audit teams to strengthen the organization's security posture.
Configure and maintain security monitoring, reporting, and alerting tools such as IBM zSecure.
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
7 to 10 years of hands-on experience in ACF2 security administration, identity management, and mainframe access control within z/OS environments.
Strong knowledge of mainframe security principles, compliance requirements, and industry security best practices.
Expertise in administering and maintaining ACF2 IDs, dataset rules, resource rules, and Global System Options (GSO).
Proficient in analyzing, implementing, and troubleshooting ACF2 security architecture, control mechanisms, and z/OS security frameworks.
Hands-on experience with ACF2 utilities including ACFBATCH, ACFBSYNC, ACFCOMP, ACFDCMP, ACFNRULE, ACFRGP, and ACFXREF.
Experienced in security monitoring, audit support, incident investigation, and policy compliance management for enterprise mainframe systems.
Skilled in end-to-end digital certificate deployment, PKI management, and IBM Z Pervasive Encryption implementation to strengthen mainframe cybersecurity posture.
Preferred Technical and Professional Experience
Strong proficiency in TSO, JCL, REXX, JES2, ISPF, and ACF2 utilities, with hands-on experience in mainframe security administration and troubleshooting.
Experience with zSecure, ETFA, CA Cleanup, and other security monitoring, auditing, and compliance tools; exposure to additional mainframe…