Under the general direction of the Branch Chief, the Senior Transportation Engineer (Supervisor) is responsible for supporting programming and project management efforts to deliver state highway safety countermeasures and enhancements through the HM-4 Safety Program and other HM programs. The incumbent coordinates and monitors headquarters' functional management of HM-4 Safety Program projects, serving as an assistant liaison to district HM-4 managers. Additionally, the incumbent assists in managing various maintenance assets on the State Highway System (SHS), including but not limited to overhead signs, pavement markers and markings, delineators, roadside signs, and other highway traffic control and safety devices. Key responsibilities include monitoring maintenance production and expenditures related to traffic control devices, as well as assisting in the delivery of annual statewide signing and striping training for district maintenance staff. The incumbent ensures that training materials and other mandated maintenance programs comply with federal regulations and state policies and procedures. The incumbent also plays a critical role in overseeing, operating, and maintaining service contracts related to stripe retroreflectivity, asset collection, and other maintenance services, including striping, markings, signs, guardrail, guardrail end treatments, attenuators, crash cushions, safety barriers, and other transportation-related facilities.