Cross-Domain XMPP Security Engineer (Hybrid)

FinXL Professional Services is seeking a Network Security Engineer (Cross-Domain / XMPP) to join our Defence practice. You will be deployed with a national security sector organisation on a high-profile transformation project, implementing secure network boundaries and cross-domain messaging.

The role requires hands-on XMPP and XML guard experience, traffic filtering knowledge, Australian citizenship, and ideally an NV1 or NV2 clearance; sponsorship considered for highly skilled uncitizens.