Arthur Schaff

Provided tactical execution of mainframe security projects, focusing on vulnerability management and security standards for z/OS hardening. Acted as a subject matter expert on Mainframe Security Systems, including ACF2 and RACF, and facilitated communication between engineering and security teams.

Assisted in developing technical solutions for security architecture and RACF engineering. Designed and assessed proposals for authentication and authorization initiatives, while interacting with various technology and business teams to ensure compliance with security best practices.

Managed security administration across various platforms, ensuring compliance with access control policies. Supported audit activities and participated in security-related projects, while providing customer support and maintaining relationships with business lines.

Responsible for RACF database security in a z/OS environment, ensuring compliance with audit standards. Managed user accounts and provided 24x7 on-call support for corporate issues.

Part of a team focused on RACF re-engineering, responsible for auditing issues and creating JCL in a z/OS environment. Collaborated with offshore teams to clean up RACF databases.

Ensured audit compliance across multiple accounts, managing user accounts and resolving integrity issues. Supported Active Directory Group Policy and maintained access administration performance reports.

Managed mainframe accounts and dataset access in a z/OS RACF environment. Provided problem and change management support while ensuring seamless transitions to support teams.

Managed Exchange account creation and data access for employee transitions. Handled authorization and firewall management while resolving access-related issues.

Monitored and supported multi-image mainframe processing schedules, resolving problems and providing primary on-call support for batch and Unix environments.

Supervised operations and system support, providing performance evaluations and training personnel. Coordinated communications between management and staff.

Supervised operators and scheduled batch jobs while maintaining the RMDS database. Ensured efficient scheduling of staff.

Supervised the computer room operations, trained operators, and managed disaster recovery planning. Responsible for resolving JCL errors and network troubleshooting.

Supervised JCL in an MVS/TSO environment, coordinating production scheduling and resource allocation for internal financial institution files.

Sole operator of OS/VS1 system, monitoring batch jobs and assisting online customers with inquiries on the VM System.

Completed coursework in COBOL programming language, gaining foundational skills in programming and software development.

Studied Pascal programming language, enhancing programming skills and understanding of software development principles.

Pursued studies in Computer Technology, focusing on the fundamentals of computer systems and technology applications.