Develops and maintains master test plan for software project releases. Manages the overall test process per the testing methodology, and ensures the testing methods meet the specifications. Specifies and coordinates the creation and maintenance of relevant test environments and infrastructure. Uses script checks to verify a healthy test environment. Designs, develops and executes software test plans for assigned area or application(s). Develops, maintains and upgrades manual test scripts, utilities, simulators, data sets and other programmatic test tools required to execute test plans.