Open invitation to tender, deadline 21/12/2023, for maintenance of IT networks, applications and cybersecurity of the Frejus tunnel. For tender documents click here, where tenders must be sent. Duration of the contract is 12 months. Contact Groupement d exploitation du frejus, Modane, tel +33 479202600, fax +33 479202610, email marchespublics@tunneldufrejus.com. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=699364-2023. Ref.n. GEF202303. 46/23.