ManTech International Corporation provides technology solutions and services for U.S. defense, intelligence community, and federal civilian agencies worldwide.

The company offers cyber solutions and services, including security operations, threat intelligence, incident response and forensics, boundary defense, security systems engineering, infrastructure security, and computer forensics and exploitation.

It also provides IT and digital modernization, cloud solutions, managed and integrated services management, IT-as-a services, edge computing, user engagement, and experience and digital workplace transformation; and data collection and management, predictive analytics, analytics automation, data science, and data fusion and visualization services.

In addition, the company offers requirements analysis; planning, design, implementation, integration, and enhancement; testing, deployment, maintenance, and quality assurance; application migration and modernization; application development; and documentation and configuration management services, as well as intelligent systems engineering services, including platform innovation and modernization, digital and models-based systems engineering, reliability and maintainability, modeling, simulation and analysis, systems lifecycle support, human factors and safety engineering, systems architecture, and engineering and test and evaluation.

Further, it provides professional and technical solutions, and mission support services; command-and-control infrastructure, intelligence, and surveillance and reconnaissance platforms and sensors, as well as the communication, dissemination, and analysis of data; and mission solutions, including C5ISR, training, logistics, supply chain management and sustainment, consulting, and mission planning and execution.

The company was founded in 1968 and is headquartered in Herndon, Virginia.

As of September 14, 2022, ManTech International Corporation was taken private.