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Mark Tajnai, PE/PMP, is an experienced civil engineer with a diverse background in engineering and project management. Currently serving as Replacement Engineer V at Washington Gas since August 2009, Mark specializes in system replacement projects and coordinates efforts in Virginia and Washington, D.C. Previously, Mark worked as a Civil Engineer-Planner at The Onyx Group, and prior to that held senior project management roles at Urban, Ltd. and Patton Harris Rust & Associates. Mark began their career with positions in traffic engineering and software testing, ultimately earning a degree in Civil Engineering from California State University, Chico.