Provide 24/7 on-call rotation and support missioncritical production Ab Initio systems. Design, build, debug and optimize Ab Initio graphs and metaprograms for highvolume data processing. Architect and implement highavailability and clustered Ab Initio environments and troubleshoot and improve runtime behavior and performance of graph executions. Implement and maintain Ab Initio EME environments and associated operational processes and Integrate Ab Initio jobs with relational and NoSQL data stor