Dev Sec Engineering Sr Level 3 Ts Sci Herndon Va

About Lockheed Martin

lockheedmartin.com

Lockheed Martin is a global security, defense, and aerospace company headquartered in Bethesda, Maryland, with roughly 116,000 employees and 370+ facilities worldwide. It designs, develops, and manufactures integrated systems and technologies — from fighter and rotary-wing aircraft to missile systems, missile defense, space and satellite platforms, sensors, and cyber/ISR solutions — for governments and allied partners. The company emphasizes advanced R&D, systems integration, and production to deliver mission-ready capabilities across air, land, sea, space, and cyberspace, supported by a broad domestic and international supplier base. Customers rely on Lockheed Martin for large-scale engineering expertise, program management, and lifecycle sustainment of complex defense and space programs.