Flight Engineer job description includes monitoring aircraft systems including engines and other critical flight systems; diagnose and rectify or eliminate problems that may arise; set and adjusts engine power during takeoff, climb, cruise, and go-around or at any time the pilot flying requests a specific power setting to be set during the approach phase; monitor and adjust fuel, pressurization and air conditioning, hydraulic, electric, ice and rain protection, oxygen, fire and overheat protection, and powered flying controls; take on pre-flight and post-flight inspections.