Sandra Marcel

Sandra Marcel has a diverse professional background with experience in various roles across different organizations. Beginning as an agent de production at La Poste TELECOM, Sandra progressed to positions such as assistant chef de projet and chargée d'opérations bâtiment at Communauté d'agglomération de Cergy Pontoise, following an alternance contract related to a degree in general engineering with a focus on ecological transition obtained from ei.CESI. Other notable roles include community manager at Jam, chargée d'études CVC at CD CONSEIL, and responsable de boutique at Gustave during a sabbatical year. Sandra later worked as agent d'escale at SNCF and accumulated additional experience in risk management at ISOR. Currently, Sandra serves as responsable énergie at COMMUNE DE FOS SUR MER and as ingénieure CVC / GTB at Siemens, with a recent position as ingénieure énergie at Groupe Snef starting in June 2025.