Senior Network Engineer

Job details

• Posted05 June 2026
• SalaryNegotiable
• LocationSydney
• Job type Contract
• Discipline Cloud & Infrastructure
• Reference90M0708269_1780622586

Senior Network Engineer

Lead a major network migration for core banking technology!

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've been delivering high-value ICT services across government, finance, telecommunications, and enterprise sectors.

FinXL is seeking a Senior Network Engineer to join our consulting team and be deployed with a leading banking client on a core-banking application migration project. In this key role, you will design, implement, and hand over critical networking constructs to support large-scale migration phases. FinXL is also able to take over existing visas and provide sponsorship for consultants.

Responsibilities

• Deploy and configure complex networking constructs across Cisco ASA and ACI.
• Translate high-level design specifications into concrete firewall configurations.
• Execute passive and canary deployments and validate rule sets.
• Configure and manage F5 GTM and LTM appliances for traffic distribution.
• Prepare and execute rigorous change control and rollback procedures.
• Ensure high availability and disaster recovery compliance via F5 integration.
Monitor post-deployment performance and maintain documentation for handover

Key Skills & Experience

• Strong hands-on experience with Cisco ASA, Cisco ACI, and APIC environments.
• Proven track record in enterprise firewall policy deployment and troubleshooting.
• Expertise in configuring and supporting F5 GTM and LTM appliances.
• Solid understanding of network capacity planning and performance monitoring.
• CCNP / CCIE or equivalent industry certifications are highly regarded.
• Experience working within large-scale migration or data centre projects.
Familiarity with foundational automation tools like Python, Ansible, or Terraform is highly desirable.

Why Join FinXL?

• Core infrastructure focus on a major banking migration project.
• Work extensively with Cisco ASA, Cisco ACI, APIC, and F5 systems.
Visa sponsorship and existing visa takeover opportunities available

Next Steps

If you would like to apply for this opportunity, please submit your CV via SEEK.

Please note that due to the volume of responses, only shortlisted consultants will be contacted.