Mainframe Systems Programming Manager

About the role

Ensono is seeking an experienced Mainframe Systems Programming Manager to lead a large team responsible for the operation, modernization and reliability of its mission‑critical mainframe environment.

Key responsibilities

• Lead and mentor a team of 25+ mainframe system programmers and technical staff.
• Establish operational standards, SLAs and drive continuous improvement initiatives.
• Manage complex z/OS Parallel Sysplex, Coupling Facility and disaster‑recovery configurations.
• Design, implement and maintain automation solutions using REXX, CLIST and other scripting tools.
• Oversee capacity planning, performance optimization and high‑availability strategies across multi‑CEC environments.
• Lead modernization projects, cloud integration and DevOps adoption.
• Coordinate release management, change control and stakeholder communications.

Required profile

• 15+ years of mainframe system programming and infrastructure management.
• 10+ years of experience leading technical teams of 20+ members.
• Strong verbal and written communication skills for diverse audiences.
• Proven ability to work with geographically distributed, culturally diverse teams.
• Client‑facing experience with executive‑level reporting.

Required skills

• Advanced proficiency in REXX and CLIST scripting.
• Deep knowledge of z/OS, Parallel Sysplex, Coupling Facility and DR strategies.
• Experience with performance and capacity tools such as RMF, SMF, WLM, SCRT.
• Expertise in CICS, MQ, IWS/TWS, z/OS UNIX and zLinux.
• Project management using Microsoft Project and Agile/Scrum methodologies.