Leidos is a Fortune 500 innovation company employing 47,000 people worldwide, providing digital and mission solutions primarily focused on national security and health sectors. Founded in 1969 by J. Robert Beyster, Ph.D., as Science Applications International Corporation (SAIC), the company was established to enable employees to apply scientific expertise to the nation's most challenging technical problems. The organization serves both government and commercial customers globally, delivering technology-driven solutions to complex operational requirements.
The company's technical work spans national security, health, digital innovation, mission innovation, and science and technology domains. Leidos focuses on addressing critical challenges through advanced technology solutions, applying cutting-edge science and engineering to practical deployments. The organization maintains a technical culture rooted in its origins as a small, employee-focused venture that emphasized scientific rigor and problem-solving capability.
Currently led by CEO Thomas A. Bell and headquartered in the United States, Leidos operates across worldwide locations. The company continues its legacy of technical problem-solving, maintaining emphasis on mission-driven engineering work and the application of proven scientific methods to complex real-world systems. For engineers, the scale of operations and focus on government and commercial challenges in national security and health sectors represents opportunities to work on large-scale, consequential technical systems.