Unisys is looking for a z/OS Migration Expert to lead or support a major mainframe modernization initiative involving the migration of legacy z/OS applications and third-party systems. You will provide deep technical expertise in z/OS environments and hands-on experience with large-scale migrations.
What You'll Do
- Lead or support the migration of applications, batch jobs, and system utilities from legacy z/OS, including codebase analysis, JCL conversion, and workload scheduler integration.
- Participate in the creation and cloning of 'Golden Image' LPARs for Dev, Test, and Prod environments on z/OS v3.1.
- Oversee or assist with the installation and configuration of IBM software suites (e.g., Auto Binary Optimizer, Migration Utility, Workload Scheduler, Enterprise COBOL, Security Server with RACF/zSecure).
- Analyze and assist to remediate legacy code (Assembler, COBOL, FORTRAN, RPG, Easytrieve) for compatibility and performance on z/OS.
- Support the conversion of FORTRAN and RPG modules to COBOL v6.4.
- Collaborate with application teams to identify and retire redundant code and batch jobs.
- Assist with migration of security rules from Broadcom’s ACF2 and Top Secret to IBM RACF, including rule rewrites and RBAC alignment.
- Assist with migration of batch scheduling from PCS and Control-M to IBM Workload Scheduler (IWS).
- Support the transition to a CI/CD pipeline using GIT and IBM-based tools, including the decommissioning of Panvalet and CONDOR.
- Assist with SMF data analysis to optimize performance and resource utilization on z/OS.
- Document migration processes, best practices, and lessons learned.
- Participate in post-migration hypercare, troubleshooting, and stabilization activities for each division’s cutover.
What We're Looking For
- 7+ years of hands-on experience with IBM z/OS mainframe environments.
- Strong proficiency in COBOL, JCL, Assembler, and experience with FORTRAN, RPG, and Easytrieve.
- Deep knowledge of IBM mainframe utilities, LPAR management, and SMPE.
- Experience with IBM RACF, ACF2, Top Secret, and security migrations.
- Familiarity with IBM Workload Scheduler, batch scheduling, and CI/CD pipelines.
- Excellent troubleshooting and analytical skills.
- Strong documentation and communication abilities, both written and verbal.
- Collaborative team player who works effectively with cross-functional teams and external partners.
- Ability to mentor and train others, sharing knowledge and best practices.
- Adaptable and flexible in a dynamic project environment.
- Strong organizational skills and attention to detail.
- Proactive problem-solver with a commitment to quality and continuous improvement.
- Must be eligible to work in the United States and pass background checks as required.
- Willingness to participate in onsite and remote work as project needs dictation.
- Commitment to knowledge transfer and mentoring of IT staff.
- Must be located in Texas to get to client site when needed.
Nice to Have
- Experience with z/VSE highly desirable.
- Experience with DOCET/EV, Panvalet, CONDOR, and third-party mainframe tools.
- Prior involvement in large-scale mainframe modernization or consolidation projects.
- Exposure to regulatory compliance in insurance or financial services environments.
Technical Stack
- z/OS, IBM z/OS mainframe environments
- Languages: COBOL, JCL, Assembler, FORTRAN, RPG, Easytrieve
- Tools: IBM mainframe utilities, SMPE
- Security: IBM RACF, ACF2, Top Secret
- Scheduling: IBM Workload Scheduler (IWS), PCS, Control-M
- CI/CD: GIT, Panvalet, CONDOR
- IBM Software Suites: Auto Binary Optimizer, Migration Utility, Enterprise COBOL, Security Server with RACF/zSecure
- Data: SMF data
Benefits & Compensation
- Unlimited paid time off
- 401(k) plan
- Comprehensive healthcare
- HSA matching
- Ongoing learning opportunities
Work Mode
This is a hybrid position. You must be located in Texas, United States, to be able to get to the client site when needed.
Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.
