This full-time Model Based Systems Engineer role is based onsite in Boulder, Colorado, supporting high-priority U.S. Space Force defense programs within a mission-focused engineering team. The position involves applying Model-Based Systems Engineering practices to conduct requirements derivation, analysis, and documentation while contributing to critical design reviews and integration testing. Key responsibilities include developing test designs, supporting prototype development, and utilizing Agile principles to manage project workflows. The opportunity is appealing due to the expanding portfolio of space defense missions, the stability of a recent corporate acquisition offering deeper resources, and a collaborative culture that values technical ownership. The role includes flexible scheduling options and comprehensive benefits such as generous paid time off, a retirement plan with immediate vesting, and professional development funding.