Mainframe Migration Engineer

Role Description

We are seeking a JCL Mainframe Migration Engineer to join our dynamic team, responsible for analyzing, transforming, and migrating legacy mainframe workloads—specifically JCL (Job Control Language)-based batch processes—to modern target platforms such as Azure, distributed systems, or cloud-native architectures. This role plays a critical part in mainframe modernization and rehosting projects, ensuring functional equivalence, performance stability, and minimal disruption during transition from legacy environments (e.g., IBM z/OS) to modern platforms.

You will work independently in collaboration with cross-functional teams to align migration strategies with enterprise standards and industry best practices. The ideal candidate will demonstrate deep technical expertise, a passion for automation, and a commitment to operational excellence.

• Analyze Control-M and/or Atomic schedule on mainframe
• Perform maintenance/troubleshooting/investigation of JCL jobs on mainframe including spool and SMF
• Analyze CICS environment for loaded programs and its configuration
• Work with ISPF, GDG, PSD and MFT for migration investigation
• Support conversion of mainframe batch jobs (JCL) to PowerShell scripts for Azure
• Help configure and automate nightly, weekly, and monthly batch jobs in Azure
• Optimize batch job performance (concurrency, multi-threading, thread safety)
• Discover and document business requirements for batch jobs
• Collaborate with business stakeholders to clarify technical and operational expectations
• Develop and maintain PowerShell modules, including code signing and security practices
• Participate in daily standups, sprint planning, and troubleshooting sessions
• Work with cross-functional teams (front-end, back-end, database, mainframe experts)

Qualifications

• Expert in Mainframe JCL
• Expert in Mainframe Job scheduler, especially Control-M
• Expert in Mainframe CICS, especially familiarity with CA Ideal
• Strong experience with PowerShell scripting and automation in Azure
• Expert in mainframe batch job concepts (JCL, GDG, PDS)
• Experience with C#/.NET, SQL Server, and Azure Storage
• Understanding of thread safety, locking mechanisms, and concurrency in scripting
• Experience with migration projects (mainframe to cloud preferred)
• Ability to interpret and convert JCL scripts to PowerShell
• Strong communication and collaboration skills
• Experience with Agile methodologies and working in cross-functional teams
• Experience with operationalizing batch jobs

Company Description