Two Six Technologies is seeking a Principal Research Scientist to lead technical program delivery and drive business development in the areas of formal methods, cryptography, and high-assurance software and hardware systems. A successful candidate will shape opportunities with government and industry sponsors, win new R&D programs, and guide multidisciplinary teams to deliver rigorous, innovative solutions. Ideal candidates combine mathematical depth, the ability to explain technical concepts clearly, and a passion for applying pure mathematics and logic in mission-focused settings.