Senior Mainframe z/VM & Linux Systems Engineer

• Install, configure, administer, and maintain IBM z/VM environments.

• Provision and manage Linux on IBM Z (s390x) virtual servers.

• Perform system upgrades, migrations, patching, and capacity planning.

• Monitor system performance and optimize resource utilization.

• Support high-availability and disaster recovery solutions.

• Configure and maintain virtual networking, storage, and security components.

• Troubleshoot operating system, virtualization, and infrastructure issues.

• Implement automation for provisioning, monitoring, and system administration tasks.

• Collaborate with application, database, storage, and network teams.

• Develop and maintain technical documentation and operational procedures.

• Participate in on-call support and production incident resolution.

• 5+ years of experience supporting IBM Mainframe environments.

• Strong hands-on experience with:

o z/VM

o Linux on IBM Z (RHEL, SUSE, or Ubuntu for s390x)

o IBM Z hardware platforms

o Virtual machine provisioning and administration

• Experience with:

o DIRMAINT

o RACF or equivalent security administration

o TCP/IP networking

o Shared File System (SFS)

o CMS

o CP commands and system management

• Strong Linux administration skills:

o User management

o Storage management

o System tuning

o Shell scripting

o Performance troubleshooting

• Experience supporting virtualized enterprise workloads.

• Experience with:

o IBM z16, z15, z14, or z13 platforms

o LinuxONE environments

o IBM Wave for z/VM

o OpenShift on IBM Z

o Kubernetes

o Docker / Podman containers

o Ansible automation

o Git and DevOps tools

• Familiarity with:

o Db2

o WebSphere

o MQ

o CICS integration

o Hybrid cloud architectures (AWS, Azure, OCI)

• Experience with security and compliance frameworks in financial services environments.

• Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent experience.

• Strong analytical and troubleshooting skills.

• Excellent verbal and written communication abilities.

• Ability to work independently and within cross-functional teams.

• Experience supporting large-scale banking, insurance, or government environments is highly preferred.

• IBM Certified z/VM System Programmer

• Red Hat Certified Engineer (RHCE)

• SUSE Certified Administrator

• Experience with Mainframe Modernization and Linux workload migration initiatives.