Mainframe system Manager (Manhattan)

12 years of experience managing enterprise infrastructure operations, including system monitoring, troubleshooting, and operational support.12 years of experience supporting complex IT infrastructure environments, including datacenter or enterprise systems operations.8 years of experience with project planning, coordination, and implementation for infrastructure-related initiatives.8 years of experience performing infrastructure performance analysis, monitoring, and capacity planning.8 years of experience creating and maintaining technical documentation, procedures, and operational standards.8 years of experience working with cross-functional technical teams and coordinating enterprise support activities.Ability to provide off-hours and 24/7 support for enterprise infrastructure operations and incident response.Preferred Qualifications20 years of experience working as an infrastructure manager within large-scale enterprise environments.10 years of experience working with enterprise mainframe technologies, subsystems, and infrastructure operations.10 years of experience supporting IBM z/OS environments, including operating system administration, security, and performance management.10 years of experience supporting enterprise AIX, Linux, or Unix infrastructure environments.10 years of experience managing enterprise storage systems and datacenter infrastructure.10 years of experience performing infrastructure problem determination, root cause analysis, and issue resolution.10 years of experience leading technical teams and coordinating enterprise-wide infrastructure projects.Strong interpersonal, organizational, verbal, and written communication skills.Ability to quickly learn and implement emerging technologies and infrastructure solutions.