Senior z/OS Unix & zLinux Integration Engineer

About the role

Ensono is looking for a senior engineer to lead the modernization and integration of its mainframe environment with contemporary Unix and Linux platforms. The role focuses on enhancing z/OS UNIX System Services and IBM zLinux, and on enabling DevOps and cloud‑native workflows for mainframe workloads.

Key responsibilities

• Design, implement and automate enhancements to z/OS UNIX and zLinux environments, ensuring security, scalability and performance.
• Integrate modern interfaces such as z/OSMF, Zowe and IBM Wazi to expose mainframe services through REST APIs and CLI tools.
• Implement DevOps and CI/CD pipelines for mainframe, introducing tools like Git and Ansible for automation.
• Develop and maintain cross‑platform interfaces, including secure API layers and NFS‑based file sharing.
• Provide third‑level support and advanced monitoring using SMF data, Grafana, Splunk and other observability tools.
• Lead technical discussions, present roadmaps to stakeholders and mentor team members on new tooling and practices.

Required profile

• 8‑10+ years of mainframe engineering experience with deep knowledge of z/OS UNIX System Services.
• Strong expertise in Linux on IBM Z, including installation, networking and performance tuning.
• Hands‑on experience with modernization tools such as z/OSMF, Zowe and IBM Wazi.
• Proficiency in scripting and programming (shell, REXX, Python, C/C++) for automation and integration.
• Solid understanding of SMP/E software maintenance and mainframe networking/security concepts.

Required skills

• z/OS UNIX System Services (USS)
• IBM zLinux
• z/OS Management Facility (z/OSMF)
• Zowe framework
• IBM Wazi
• Git
• Ansible
• Shell scripting
• REXX
• Python
• C/C++
• SMP/E
• Grafana
• Splunk
• NFS