HF Sinclair Midstream is seeking a Senior Leak Detection Engineer. This position conducts advanced Leak Detection and Hydraulic Engineering assignments for the Engineering Department under limited supervision, serving as a subject matter expert in pipeline leak detection, surge analysis, and transient hydraulic modeling. Maintains computer-based transient model leak detection systems and pipeline simulation systems for liquid petroleum pipelines. Performs steady-state and transient hydraulic analysis, surge pressure evaluations, and waterhammer mitigation design to support safe and efficient pipeline operations.