Desired skills: Experience with CORESIM Experience with flight software development and autocode to C++ and Python Experience with kinematics using Euler Angles and Quaternions Experience with autopilot design and linear stability analysis Familiarity or experience with missile defense systems or fire control Experience with C++ development, Linux and Gitlab Experience with Docker/Container and Kubernetes deployment Experience with FORTRAN and 6DOF simulation Knowledge/experience with GN&C control theory and physical modeling related to spacecraft and/or missile systems Familiarity with a GN&C hardware suite for space or missile applications Experience going through a spacecraft or missile program life cycle encompassing requirements generation, design, analysis, integration, verification, and testing of the GN&C subsystem for missile or space applications Ability to work in a fast-paced, dynamic, collaborative team environment Demonstrated good communication skills with the ability to articulate complex technical issues to peers, management, subcontractors, and customers. Software GNC Engineer OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for Software GNC Engineer to support our customer in Huntsville, AL.Summary The successful candidate will have experience and/or knowledge of guidance, navigation, & control, as well as, programming languages such as C or C++.