Welcome to the ESA's website for the Science System Engineering Environment - S2E2

S2E2 supports system engineering activities and processes across teams at ESA’s European Space Astronomy Center (ESAC). S2E2 is a service provided by the Science and Operations IT Unit (SITU). S2E2 supports two complementary methodologies: 

  • Common Mission - tailored for Mission Development/Operations activities (under SCI-SX Mission Support Office governance)
  • SOCCI - tailored for general Software Engineering activitites (following ECSS standards) and Industrial Contract Management

You can access S2E2 applications with the following links:


SOCCI methodology supports the following types of activities:

  • Project Management
  • Requirements Management
  • Design Management
  • Test Management
  • Procedure Management
  • Problem and Change Management
  • Source Code Management
  • Document Management 
  • Release Management

SOCCI eco-system is fully modular and can be adapted to project requirements. SOCCI reuses state-of-the art tools, configured and enhanced as needed to minimise ad-hoc development. SOCCI's tooling selection and customisations have been driven by ESA and Industry standards.