The Software Systems Engineer will apply an understanding of aeronautical vehicle systems and/or airborne or related ground systems avionics Operational Flight Program capabilities to support the core engineering tasks as they relate to software engineering. The Engineer will have knowledge of software engineering in support of the design, development, testing and evaluation, and implementation of new and/or existing software systems. The engineer will apply knowlege of systems acquisition, systems and subsystems level hardware and software integration, systems requirements analysis and allocation, computer systems architecture, and systems and subsystems testing and evaluation. The engineer will review, develop, and update applicable program documentation for software engineering relevant requirements. The engineer will support the development of a software development strategy and software development plan (SDP).