Senior Nuclear Mechanical Structural Analysis Engineer System OneSenior Nuclear Mechanical Structural Analysis EngineerCranberry, PennsylvaniaNuclear Component Design & QualificationSupport design, modification, and qualification of Reactor Vessel Internals (core support structures, lower/upper internals, baffle-former assemblies, hold-down springs, fuel alignment components). The Senior Nuclear Mechanical/Structural Analysis Engineer is responsible for performing advanced structural, thermal, and seismic analyses in support of nuclear reactor components—particularly Reactor Vessel Internals (RVI).