The Senior Test Engineer - System Test at Corning Optical Communications LLC is responsible for supporting system integration and end-to-end testing of 4G/5G technology systems and related protocols. This role involves performing quality assurance testing for Enterprise 4G and 5G RAN, defining test plans, designing automated test scripts, and verifying system features and protocol performance. The engineer will collaborate with teams to debug and identify root causes of system issues, support lab and field teams with issue analysis, and validate products against specifications.