Leidos operates as a Fortune 500 digital and mission innovator headquartered in Reston, Virginia, providing scientific, engineering, systems integration, and technical services across defense, aviation, IT, and biomedical research markets.

Leidos significantly expanded its federal IT and systems integration footprint through the merger with Lockheed Martin's Information Systems & Global Solutions (IS&GS) business in 2016, creating one of the largest defense IT services providers.

Leidos promotes itself as delivering digital and mission solutions at the intersection of national security, health, and critical infrastructure, emphasizing offerings in areas such as UAS, cyber, digital modernization, and critical infrastructure protection on its corporate site.

The company maintains a substantial online presence through a modern corporate website, an 'Insights' content hub explaining its mission and capabilities, and active branding around helping customers leverage science and technology to make the world safer, healthier, and more efficient.

Leidos is characterized as a technology, engineering, and consulting firm serving government and commercial customers with science-driven solutions, positioning itself as an industry and technology leader in its markets.

Leidos is recognized as a leading consulting and technology company in profiles of top consulting firms, reflecting strong market positioning among federal and defense-oriented service providers.

As a large defense technology integrator with global operations and a broad engineering and systems integration portfolio, Leidos maintains ongoing hiring for technical, engineering, and program roles to support government and commercial contracts, as indicated by its scale and Fortune 500 status.