Entarian is a Greenbelt, Maryland-based engineering and federal technology firm serving space, defence and federal civilian missions with systems engineering, cybersecurity and secure mission IT.
Entarian is a diversified engineering and federal technology solutions firm, providing science, engineering and technology services to space, defence and federal civilian missions. Its work spans the connection of space systems, data modelling and analysis, and the delivery of secure enterprise and mission environments, from the enterprise level out to the tactical edge.
The company's technical capabilities cover digital engineering, systems engineering, IT modernisation, cybersecurity, satellite mission operations, data modelling and analysis, and space systems integration. It operates in support of government customers in the space, defence and federal civilian sectors, including national security and mission support work. It employs approximately 1,600 people and is headquartered in Greenbelt, Maryland.
Entarian is a recent creation. The name was adopted in April 2026, following ERT's acquisition of Sev1Tech, bringing the two organisations together as an integrated mission solutions provider. The firm describes its culture as mission-focused, with an emphasis on reliability, innovation and performance in high-stakes operating environments.
