Senior Infrastructure Engineer - Mainframe
Core
Administer, maintain, and modernize IBM z/OS mainframe infrastructure across development, test, and production environments.
Role type
Senior Infrastructure Engineer (Mainframe)
Builds
Scalable, resilient mainframe platform supporting business operations and disaster recovery.
Domain
Financial Services / Mainframe Infrastructure
Required skills
z/OS administration, SMP/E maintenance, RACF security, dump analysis, root cause analysis, performance tuning, JCL, Assembler, Python, Ansible, cloud technologies
Preferred skills
Assembler programming, RACF security administration, dump analysis, performance tuning, US military experience
Technologies
Ansible, CI/CD, Cloud, IBM Support, JCL, Network, Python, Security, TSO, VSAM, DevOps
Responsibilities
Administer and maintain IBM z/OS operating system and supporting software; plan and execute z/OS upgrades and product deployments; ensure system availability, resilience, and capacity management; implement security controls and compliance requirements; troubleshoot complex production issues and lead root cause analysis; develop automation using Assembler, REXX, Python, and Ansible; mentor engineers on system design and maintenance.
Seniority
Senior, hands-on IC with mentorship responsibilities