L4 Senior Network Engineer

Join FinXL's growing Network Engineering Practice and lead a major network infrastructure delivery and modernisation programme for a Government 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 team-oriented professional services environment.

Join FinXL's growing Network Engineering Practice as an L4 Senior Network Engineer. In this engagement, you will become a key technical leader within our team, deployed to a prominent government client to drive the delivery of a high-profile enterprise network transformation project.

Responsibility

- Deliver network infrastructure components for strategic projects and initiatives.

- Produce and maintain high-quality network architecture and design documentation.

- Ensure operational readiness and performance of enterprise network services.

- Author highly technical standards, operational procedures,



and complex runbooks.

- Execute network security hardening and ensure strict compliance with standards.

- Provide technical leadership and capability uplift for L2/L3 engineering teams.

- Lead technical evaluation and adoption of SD-WAN, ACI, NSX, and SDA technologies.

Key Skills & Experience

- Extensive experience as a L4 Network Engineer or Technical Lead.

- Deep-level expertise in Cisco networking, firewalls, and F5 load balancers.

- Proven ability to produce High Level and Low Level Design (HLD/LLD) documents.

- Strong background in network security hardening and regulatory risk compliance.

- Experience evaluating and adopting SD-WAN, ACI, NSX, and SDA technologies.

- Solid ITIL knowledge for complex incident, problem, and change management.

- Excellent communication skills for vendor management and stakeholder engagement.

Why Join FinXL?

- Access FinXL's training and professional development platform for upskilling.

- Lead strategic network infrastructure delivery and modernisation initiatives.

- High-profile engagement within a prominent Federal Government organisation.

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📌 Senior Network Engineer (City of Sydney)
🏢 Finxl
📍 City of Sydney