ENSEA) is a graduate school (grande école) of electrical engineering and computer science, located in Cergy (in Val d'Oise department) close to Paris in France.

Future engineers are recruited after a centralized and selective country-wide specific entrance examination ("Classes Préparatoires") or laterally into final or pre-final year after a bachelor's degree in electronics or relevant scientific fields (physics, chemistry, electronics, computer science, etc.).

Courses spread over three years cover all aspects of electrical, electronics and computer science and engineering, e.g.: signal processing, microelectronics, embedded systems, software engineering, networking, control and power electronics besides some important non-engineering courses such as economics, management, business communications and foreign languages.

ENSEA and ITIN offer also an MS Specialized Master labelled by the Conférence des grandes écoles[1] and named TIM (Mobile IT and Telecommunication)[2] The school presently offers 8 specialisations: The school has international links with universities from all over the world, especially in the United States, Germany, Spain and UK.

ENSEA is also a member of the n+i network[3] of engineering schools and admits 10 students from around the world every year through the N+i program.