| Roles | Contact name | Deputy contact |
| Assistant to the Department Head (ADH) | Emeline Dolmazon | Sevda Budun |
| Coordinator non-staff requests (GRAD, TECH, TEMC, etc) | Emeline Weymaere | |
| Data Protection Officer (DPPC) | Gyorgy Balazs | |
| Departmental Administrative Officer (DAO) | Sevda Budun | Emeline Dolmazon |
| Departmental Planning Officer (DPO) | Emeline Weymaere | Sevda Budun |
| Departmental Safety Officer (DSO) | Marc Vadon | David Challoin |
| Departmental Space Manager (DSM) | Cecile Pinto | Isabelle Cusato |
| Departmental Training Officer (DTO) | Cecile Pinto | Maria Llorente |
| Departmental Records Officer (DRO) | Sevda Budun | Emeline Dolmazon |
| Departmental Computing Security Officer | Gyorgy Balazs | |
| Departmental Inventory Manager (DIM) | Maria Llorente | |
| Departmental Travel Manager (DTM) | Isabel Cusato | |
| Departmental Keys Manager (DKM) | Cecile Pinto | |
| Departmental Car Fleet Coordinator | CERN Mobility Service | |
| Diversity & Inclusion Officer (DIO) | Vincent Gilquin, Lucy Lockwood, Emeline Weymaere | |
| Flammable Gas Safety Officer (FGSO) | Gabriel Genamy | |
| GAO SCE-DOD | Maria Llorente | SCE-DEP-D-P-Admin-hub@cern.ch |
| GAO SCE-PPM | Maria Llorente | SCE-DEP-D-P-Admin-hub@cern.ch |
| GAO SCE-SAM | Justine Sofia | SCE-DEP-D-P-Admin-hub@cern.ch |
| GAO SCE-SMS | Isabelle Cusato | SCE-DEP-D-P-Admin-hub@cern.ch |
| GAO SCE-SSC | Isabelle Cusato | SCE-DEP-D-P-Admin-hub@cern.ch |
| Human Resources Adviser (HRA) | Lieven Vernimmen | Muriel Colson |
| HR Coordinator | Lenka Thomas Bajbarova | |
| Human Resources Officer (HRO) | Emeline Weymaere | Emeline Dolmazon |
| MERIT Coordinator | Isabel Fernandez | Sevda Budun |
| Radiation Safety Officer | Marc Vadon | Sylvain Chaigneau, Elsa Clerc |
