Twincat PLC Programming for Battery Test Cell

I need a Twincat software application modifying to perform controls and interfaces for an environmental test cell. Key requirements: - Modify existing control logic - Integrate with existing test cell hardware - Ensure safety and reliability in operations - Provide commissioning support Ideal Skills and Experience: - Proficiency in Twincat control and HMI - Experience Safety functions (Estop) within TwinCAT - Ability to simulate prior to commissioning - Good documentation practices