Mainframe Systems Programmer – JES2 & RACF (z/OS 3.1 Migration)
About The Position
CTG is hiring a highly skilled Mainframe Systems Programmer to support a z/OS 3.1 migration, with a focus on JES2 exits, RACF security, and workload automation integration. This role is ideal for someone experienced in system-level programming, security remediation, and mainframe modernization initiatives. The duration of the role is 9 months and it is a remote position. CTG, a Cegeka company, delivers IT and business solutions that enhance clients’ digital agility, empowering them to seize new opportunities and overcome any challenge. Backed by more than 60 years’ experience and a commitment to being a reliable, results-driven partner, CTG works shoulder to shoulder with clients to shape digital together. Their vision is to be an indispensable partner to their clients and the preferred career destination for digital and technology experts. With more than 9,000 team members in over 15 countries, they combine global expertise with local insight to deliver innovative solutions, operating across the Americas, Europe, and India, working with over 3,000 clients in many of today's highest-growth industries. CTG fosters a workplace where employees are encouraged to grow, supported in their ambitions, and empowered to shape their own career journey.
Requirements
- 7+ years in z/OS Systems Programming
- Strong expertise in JES2 exits (development, debugging, enhancement)
- Deep knowledge of RACF, including SURROGAT and batch security
- Experience with IBM Workload Scheduler (IWS/OPC/IZWS)
- Solid understanding of JCL, job submission flows, and mainframe security architecture
- Proven experience supporting z/OS upgrades/migrations
- Bachelor’s degree in Computer Science, Information Systems, or a related field (or equivalent work experience)
- Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group
Nice To Haves
- Experience in large-scale enterprise mainframe environments
- Familiarity with regulated environments and change management processes
Responsibilities
- Analyze and enhance JES2 exit logic and job submission workflows
- Implement RACF SURROGAT-based submitter identity remediation
- Modify and validate JCL submission processes (USER=xxxx enforcement)
- Integrate with IBM Workload Scheduler (IWS/OPC/IZWS) environments
- Support z/OS 2.x to 3.1 migration, ensuring consistent job execution
- Perform testing, deployment, and regression validation with zero downstream impact
- Troubleshoot JES2, RACF, and scheduler-related system issues
Benefits
- a competitive benefit package is also offered
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Number of Employees
501-1,000 employees
