RouteSync Mid-Level Systems Engineer Company: The Boeing Company The Boeing Company is seeking a Mid-Level Systems Engineer with expertise in datalink, flight management systems (FMS), flight planning, airplane systems integration, and aircraft performance to join BGS Engineering in Seattle, WA or Everett, WA. The team develops Flight Efficiency and Sustainability products within Boeing Digital Services and supports Boeing Commercial Airplanes' future capabilities. RouteSync is a flight-effic