Principal Reservoir Engineer   Job Summary Applies intensive and diversified knowledge of engineering and geological principles to plan, design, construct and maintain gas storage capacity and deliverability to meet market demands. Make decisions independently utilizing advanced techniques and the modification and extension of current theories and practices, to resolve unique, complex technical issues. Applies diversified knowledge to determine gas reserves, contents and flow rates, preserve stored gas inventory as well as enhancing and/or protecting corporate cash flow and earnings. Extensive computer modeling is utilized to obtain results for the preceding responsibilities. The knowledge and expertise required for this level usually results from progressive experience. Incumbents frequently assist on the projects of others or assist others in data evaluations.   Key Accountabilities Maintains storage field and well deliverability to meet peak day requirements, many...