The Construction and Commissioning Mechanical Engineer III is an experienced-level role responsible for providing technical support to Gas Turbine driven power generation projects, with a primary focus on Gas Turbine installation, alignment, mechanical systems integration, commissioning support, and resolution of field technical issues. The engineer works with a high level of independence to coordinate with site teams, TFAs (Technical Field Advisors), Engineering, Quality, and Suppliers, ensuring that issues are resolved efficiently and in alignment with OEM requirements, contract specifications, and field conditions.