The Infrastructure Engineer Sr –z/OS (z/OS System Programmer) at PNC is responsible for maintaining the mainframe platform, troubleshooting software problems, and implementing DevOps methodologies on z/OS. Responsibilities include installation and support of mainframe infrastructure software, providing technical support, and collaborating with other technical teams and service partners. The role also involves planning, leading, and coordinating technology projects across teams for deployment. The engineer ensures compliance with technology risk management standards and enhances service partner satisfaction.