Senior Network Engineer

Job Description

At Centorrino Technologies (CT), we’re more than just tech—we’re a community that goes beyond expectations. We’ve been recognised as a Great Place to Work in and one of the Best Places to Work Medium & Large Size in Australia for 2025, with an outstanding eNPS score of 68. And we’re not stopping there. We're on a mission to redefine the customer experience, and we need a passionate Senior Network Engineer to join our team in Australia. As a fast-growing company, we're looking for someone who is passionate about technology and eager to take on new challenges.

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What you'll do:

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• Lead and contribute to network infrastructure projects, including the deployment and optimisation of switching, routing, and application-level firewall solutions.
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• Deliver network solutions within secure government environments, ensuring all activities align with strict access controls, compliance frameworks, and approved change management processes.
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• Design, implement, and optimise BGP routing configurations, managing peering relationships to achieve high availability and efficient traffic routing.
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• Develop and maintain secure site-to-site connectivity through the design and monitoring of IPsec VPNs, addressing encryption, authentication, and tunnel stability throughout project lifecycles.
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• Manage project deliverables related to incident resolution and network restoration, performing detailed root cause analysis and implementing preventative measures.
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• Plan and execute network change and upgrade projects, covering areas such as firewall policy design, routing updates, wireless access point rollouts, and infrastructure modernisation.
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• Conduct performance assessments using monitoring tools to inform network enhancement initiatives, capacity planning, and security patching projects.
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• Create and maintain comprehensive project documentation, including network architecture diagrams, configuration baselines, and operational standards.
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• Oversee wireless infrastructure projects to ensure consistent coverage, performance optimisation, and adherence to security and compliance requirements.
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• Collaborate with cross-functional teams and government stakeholders to deliver secure, scalable, and compliant network solutions aligned with organisational and regulatory objectives.
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What you'll bring:

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• Experience as a Senior Network Engineer
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• In-depth knowledge of Cisco Routers, Aruba switches, Fortinet, Juniper and Palo Alto firewalls
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• Thorough understanding of switching protocols including VLANs, Spanning Tree, HSRP/VRRP, LAG, and other switching protocols used in Enterprise Networks.
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• Experience configuring Firewalls, Wireless Controllers, and Access Points.
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• Experience with Voice and SIP call flow troubleshooting.
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• Experience with Microsoft Teams and SBCs - Audiocodes experience is a bonus.
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• In-depth understanding and experience of routing protocols.
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• Experience configuring and troubleshooting IPSec Site to Site VPN's is a must.
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• Strong troubleshooting and problem-solving skills.
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• Excellent communication and interpersonal skills.
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• Ability to work independently and take ownership of assigned tasks.
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• A quick learner with the willingness to learn and study in your own time to further your career.
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Why You'll Love Working Here:

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Our company is more than just a workplace, it's a hub of inspiration and creativity where employees love to work! Here's why:

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• Hybrid working (for majority of our roles) with team anchor days to support collaboration.
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• Extensive training and development opportunities that enable continual growth as part of your career planning.
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• Extensive discounts and benefits to maximise your money.
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• A choice of your IT equipment to maximise your success and access to cost-price tech for your personal needs.
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• Fun team events to celebrate achievements and connect with colleagues outside work as part of our engaging culture.
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CT celebrates diversity and enables every voice to be heard as we drive to create the world we want. Apply today and be part of a team that values innovation, inclusivity, variety and diverse backgrounds.

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Note: A valid Vulnerable People / Working with Children Check (WWCC) and Police Check are required.