Infrastructure Architect - Network & Core Services Sydney based / Permanent role I'm partnering with a long-standing client to hire a Infrastructure Architect to modernise and secure their core tech environment. This is a hands-on architecture role, perfect for someone who still enjoys being in the detail, thrives on designing and securing infrastructure, and brings deep knowledge across on-premise, cloud and network platforms. Why this role? Lead the design, maintenance and security of infrastructure for a medium enterprise with a national footprint Partner with operations, and project delivery teams to drive modernisation and uplift capability Shape foundational architecture across AD, DNS, DHCP, PKI, firewalls, and hybrid identity Supportive team culture with ongoing transformation and investment in technology Responsibilities include: Designing and maintaining the organisation's core infrastructure services with a strong security lens Driving improvements across identity and access, secure network architecture and system configurations Leading the technical delivery of infrastructure projects (migrations, upgrades, integration) Acting as a senior escalation point and SME across Windows Server, networking, backup/DR, and authentication Contributing to the documentation, life cycle management, and disaster recovery planning Supporting the adoption of zero-trust principles and secure connectivity across sites and platforms What we're looking for: 6 years' experience as an Infrastructure Engineer including 3 years in a senior/architectural role Experienced with Microsoft technologies such as AD, GPO, DNS, DHCP, Azure AD Strong understanding of authentication protocols Experienced with a secure network environment such as VPNs, VLANs, firewalls, routing, switching Good understanding of disaster recovery, backup processes, and ensuring systems stay online across on-prem and cloud environments. Familiarity with security frameworks such as Essential Eight or CIS Benchmarks If you're someone who enjoys being hands-on and delivering outcomes with strategic improvement, I'd love to hear from you!
