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Mainframe Logical Security Engineer

Kyndryl
United Statesfull_timeVerifiedPosted 23 Jun 2026

About the role

Who We Are

At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward – always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities.

The Role

Responsibilities:

  • Administer and maintain RACF security environment across z/OS systems
  • Create, modify, and revoke:
    • User IDs
    • Groups
    • Resource profiles
    • Dataset and subsystem access permissions
  • Implement and maintain least-privilege access controls for:
    • Datasets
    • Applications (CICS, DB2, IMS, MQ)
    • System resources

 

Security Controls & Compliance

  • Configure and maintain security policies aligned with enterprise standards
  • Perform periodic access reviews, audits, and compliance checks
  • Support regulatory compliance (e.g., SOX, PCI, HIPAA where applicable)
  • Implement data protection controls and access monitoring mechanisms

 

Monitoring & Incident Response

  • Analyze security logs and reports:
    • SMF records
    • RACF reports
    • SIEM alerts
  • Investigate:
    • Access violations
    • Unauthorized access attempts
    • Security incidents
  • Troubleshoot and resolve:
    • Authorization failures
    • RACF-related abends or access issues

 

Security Architecture & Integration

  • Secure mainframe subsystems and integrations:
    • CICS, DB2, IMS, MQ, TCP/IP, USS
  • Support integration with:
    • Enterprise IAM solutions
    • Single Sign-On (SSO) / MFA (where applicable)
  • Define and maintain RACF classes, profiles, and rules for system-wide protection

 

Encryption & Advanced Security

  • Support:
    • Digital certificates
    • TLS/SSL configuration
    • ICSF (crypto services) at a high level

Ensure secure key management and encryption practices

 

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. You’ll also get the chance to share your expertise by recommending modernization options, identifying new business opportunities, and cultivating relationships with other teams and stakeholders. Does the work get challenging at times? Yes! But you’ll collaborate with a diverse group of talented people and gain invaluable management and organizational skills, which will come in handy as you move forward in your career.

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.

Kyndryl currently does not require employees to be fully vaccinated against COVID-19, however, if you are hired to work at a client, customer, or partner location, you may be required to show proof of vaccination to align with their respective C

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Company

Kyndryl

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