Subsurface Development Lead — Reservoir Strategy & Value

INEOS USA Oil & Gas LLC in Denver is seeking a seasoned Subsurface Manager to lead development, reservoir engineering, and capital budgeting for the US onshore program. You will own key development tracking, oversee capital forecast/submission, and drive value through disciplined development plans. The role requires hands-on leadership, strong communication, and the ability to translate subsurface insights into investment decisions across a lean team and multiple stakeholders.