Under the general direction of the Manager, applies test engineering and product knowledge in the design of tests and testing strategies for the validation and quality assessment of CAISO production software products. Applies technical and process knowledge to ensure testing processes are aligned to the CAISO quality practices, including security, performance, integration and functional testing (for adapters). Responsible for establishing and maintaining the Software Test Automation and Performance Test Engineering code base, the integration and security testing posture, and assessing the appropriate level and depth of testing needed for ISO software releases, with input from the Quality Assurance Lead as necessary. Leads technical improvements for CAISO Enterprise Test Methodology, procedures, guidelines, and tools to ensure continued operational excellence. Provides technical or process training to other staff as required.