Network Security Engineer (XMPP)

Network Security Engineer (Cross-Domain / XMPP) Join FinXL's growing Defence Practice and engineer secure network boundaries for a major secure cloud capability rollout within a prominent national security sector organisation!

FinXL Professional Services is a leading IT consultancy that partners with clients to bridge the gap between business needs and technology capabilities. Since 2003, we have been delivering high-value ICT services across government, finance, telecommunications, and enterprise sectors. Working with FinXL gives consultants access to high-impact client engagements, our dedicated training platform for continuous upskilling, and a collaborative professional services environment.

FinXL is seeking an experienced Network Security Engineer (Cross-Domain / XMPP) to join our Defence consulting practice. In this engagement, you will become a key member of our team and be deployed with a national security sector organisation on a high-profile transformation project.

An active NV1 or NV2 security clearance is highly preferred.

This position can be based from either of the following cities: Canberra ideally - Sydney, Melbourne, Brisbane also considered (Hybrid).

Responsibility

• Implement secure network boundaries and cross-domain messaging solutions.
• Support a major secure cloud capability rollout within the National Security Sector.
• Manage and configure XML cross-domain guards for controlling and filtering traffic.
• Travel to specific base or city locations for a few weeks during project initiation.
• Collaborate with engineering teams to ensure stringent security compliance across the programme.

Key Skills & Experience

• Hands-on engineering experience with secure network boundaries.
• Proven expertise working with Extensible Messaging and Presence Protocol (XMPP).
• Familiarity with XML cross-domain guards, such as Isode M-Guard or similar technologies.
• Solid understanding of traffic filtering mechanisms.
• Australian Citizenship is a strict requirement for this engagement.
• An active NV1 or NV2 security clearance is highly preferred, though highly skilled uncleared citizens willing to undergo sponsorship will be considered.

Why Join FinXL?

• Access FinXL's dedicated training platform for ongoing upskilling.
• Deliver high-impact secure cloud capability and cross-domain solutions.
• Partner with a prominent national security sector organisation.