Senior Mainframe z/VM & Linux Systems Engineer
delan-associates-inc · Phoenix, United States ·
- Seniority
- Senior
- Employment
- Contract
- Category
- Devops
- Experience
- 5+ years
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.