Senior Network Engineer

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 2024-2025 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.

Requirements

What you'll do

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

What you'll bring

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

Benefits

Why You'll Love Working Here

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

• Hybrid working (for majority of our roles) with team anchor days to support collaboration.
• Extensive training and development opportunities that enable continual growth as part of your career planning.
• Extensive discounts and benefits to maximise your money.
• A choice of your IT equipment to maximise your success and access to cost-price tech for your personal needs.
• Fun team events to celebrate achievements and connect with colleagues outside work as part of our engaging culture.

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.

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