Perform requirements analysis, develop source data for requirements, generate requirements verification, and help prepare test plans and procedures Create and maintain SysML and UPDM models logical and physical architecture in Cameo EA; interface with subject matter experts, analysts, architects, designers, system engineers and specialty engineers to capture Payload Systems Sentinel structure and behavior using accurate UPDM/SysML representations according to OMG standards Apply the principles of engineering to design components and systems using applicable standards and specifications Verify specifications and designs through modeling and simulation, test data processing, and performance analysis Support all phases of the systems lifecycle including concept, design, fabrication, test, installation, operation, maintenance and disposal Participate in technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for mechanical, electrical and integrated systems This requisition may be filled at either the Principal Systems Engineer level (T-03) or Sr. Principal Systems Engineer level (T-04). Principal Systems Engineer:

Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and 5 years of experience with Bachelor's degree, 3 years of experience with Master's degree, 1 year with a PhD Minimum 2 year of experience with MBSE tools 2 years of experience with ICBM Weapon Systems Mastery experience with Cameo, DoDAF, UML, SysML, and DOORS 5 years of experience in Systems Engineering and any of the following areas: * Requirements Management:

MBSE, Functional Block Diagrams, Specification Trees **Systems and end item requirements validation and verification **Design:

Systems Design, Systems Architecture, Systems Integration, N2 Analysis, Trade Studies **General knowledge of multiple engineering disciplines:

Safety, Nuclear Hardness, Nuclear Surety, Material Science, Environmental, Parts and Logistics, etc