The ideal candidate is a highly skilled mainframe systems engineer who combines deep z/VM expertise and programming knowledge. The individual must be capable of leading complex infrastructure initiatives, supporting mission-critical production environments, driving disaster recovery readiness, and serving as a trusted technical advisor for IBM Z platform operations and modernization efforts.
Key Responsibilities
z/VM Systems Administration and Engineering
- Install, configure, maintain, and support IBM z/VM operating systems and associated subsystems.
- Provide expert-level support for z/VM Control Program (CP), CMS, directory management, virtualization technologies, and supporting processors.
- Plan and execute z/VM upgrades, migrations, maintenance, and performance optimization activities.
- Analyze and resolve complex system issues and provide third-level technical support.
- Develop standards, procedures, and operational documentation for z/VM environments.
Mainframe Networking
- Design, configure, and support enterprise mainframe networking solutions.
- Administer TCP/IP and VTAM environments.
- Configure and support:
- OSA Adapter Technologies
- Shared Network Adapter Configurations Across LPARs
- Enterprise Extender
- APPN Architecture
- IP Switching Infrastructure
- Troubleshoot complex connectivity and network performance issues.
- teams to ensure high availability and optimal utilization.
Security and Encryption
- Implement and maintain enterprise security standards across z/OS and z/VM platforms.
- Manage PKI certificate infrastructures and digital certificate deployment.
- Configure and support encryption technologies and secure communications.
- Support regulatory compliance, audit activities, and security remediation initiatives.
Processor Migrations and Consolidation Projects
- Lead and support IBM Z processor upgrades and migration initiatives.
- Perform workload analysis and capacity planning for consolidation projects.
- Execute CPU migrations for both z/OS and z/VM environments.
- Participate in infrastructure transformation and modernization efforts.
Required Qualifications
- Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent experience.
- 8+ years of IBM Z Systems administration and engineering experience.
- 5+ years of hands-on z/VM systems programming and administration experience.
- Strong expertise in z/OS systems programming and support.
- Extensive knowledge of IBM Z hardware architecture and supporting infrastructure.
- Experience supporting enterprise production environments with high availability requirements.
- Strong analytical, troubleshooting, and problem-solving skills.
- Excellent written and verbal communication skills.
Role & responsibilities
Preferred candidate profile
Operating Systems
Networking
- TCP/IP
- VTAM
- Enterprise Extender
- APPN
- OSA Adapters
- IP Network Architecture
Infrastructure
- IBM Z Systems
- HMC
- DASD Storage
- FICON Directors
- Storage Architecture
- Capacity Planning
Security
- RACF
- PKI Certificates
- Encryption Technologies
- Mainframe Security Controls
Preferred Qualifications
- Experience with z16 and z17 processor technologies.
- Experience supporting multi-client outsourced environments.
- Knowledge of GDPS, replication technologies, and advanced resiliency solutions.
- Experience with automation tools and scripting.
- IBM Z, z/OS, or z/VM certifications.
- Experience leading technical projects and mentoring junior engineers.
