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Senior Mainframe z/VM & Linux Systems Engineer

Delan Associates
Location
Phoenix, Arizona, United States
Workplace
Employment
Contract
Salary
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Posted 2mo ago

Experience: 10+

Contract: Long Term

‼️Only GC, USC‼️

Key Responsibilities

  • 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.

Required Skills & Experience

  • 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.

Preferred Qualifications

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.

Education

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

Desired Soft Skills

  • 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.

Nice to Have

  • IBM Certified z/VM System Programmer
  • Red Hat Certified Engineer (RHCE)
  • SUSE Certified Administrator
  • Experience with Mainframe Modernization and Linux workload migration initiatives.

Skills

  • Linux
  • RHEL
  • Ubuntu
  • TCP/IP
  • Shell
  • OpenShift
  • Kubernetes
  • Docker
  • Podman
  • Ansible
  • Git
  • DB2
  • AWS
  • Azure
  • OCI

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