Key Responsibilities: This role involves leading oil and gas field developments, conducting commerciality assessments, and performing economic evaluations. The ideal candidate will have expertise in long-term reservoir development, depletion planning, investment decision analysis, and portfolio analysis. - Provides expert advice on techno-economic feasibility studies and ensures alignment with upstream strategy - Specifies design criteria for new oil and gas projects - Participates in project technical reviews and reviews proposals for new or changed operating procedures - Conducts economic screening calculations and life cycle economic review to select optimal options and value creation - Provides guidance on upstream investment opportunities - Performs impairment assessment on upstream assets - Conducts field portfolio management and projects ranking - Leads the process of building and updating guidelines for upstream economics evaluation - Evaluates and helps develop new work processes and best technical practices