> Markdown version of [/jobs/ext/3637142-mainframe-security-migration-specialist](https://www.wearedevelopers.com/jobs/ext/3637142-mainframe-security-migration-specialist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe Security Migration Specialist - **Company:** Pacer Group - **Location:** Weehawken Township, NJ, United States (Remote available) - **Salary:** $137,280.0 - **Contract:** Temporary contract - **Skills:** Java (Programming Language), Data Analysis, Application Integration Architecture, Cyber Security, Rexx (Programming Language), IBM Resource Access Control Facility, Pl/i, Z/OS, Information Technology, Vulnerability Analysis, Programming Languages - **Published:** October 8, 2026 - **Apply:** https://www.disabledperson.com/jobs/75861031-mainframe-security-migration-specialist ## About the Role Primary (Must-Have): * Mainframe Security | RACF | z/OS * TSS (Top Secret Security) or ACF2 to RACF Migration * IBM zSecure | RACF Utilities | Access Controls and Profiles * Security Assessments | Vulnerability Analysis | Compliance Checks Secondary (Good to Have): * Programming Languages | PL/I | Assembler | REXX | Java * AI Integration in Mainframe Security Monitoring and Automation * Project Management and Client-Facing SME Consultation ## Description The Information Technology department is seeking an expert Mainframe Security Migration Specialist to report to the Director of Cybersecurity Operations. This role solves the critical business problem of modernizing and executing complex mainframe security environment transitions with minimal downtime and impact on production systems. The incumbent will serve as the principal subject matter expert to architect seamless migrations from legacy access control tools to advanced RACF frameworks., * Lead and execute complex security migrations from TSS or ACF2 to RACF, ensuring minimal downtime and zero impact on production environments. * Perform in-depth analysis of existing security environments, identifying potential migration challenges and formulating a detailed strategy tailored to client requirements. * Manage the installation, configuration, validation, and automation of RACF profiles, rules, and access controls using IBM zSecure and related utilities. * Conduct comprehensive security assessments, vulnerability analyses, and compliance checks to eliminate gaps prior to cutover. * Collaborate with system programmers, network engineers, and application owners to ensure successful integration of RACF while providing post-migration support and team upskilling.