Senior Infrastructure & Security Engineer

Job description

Harris Farm is mid-transformation, and this role is right in the middle of it. We're migrating from on-premises to Azure, running one of the most ambitious AI programmes in Australian retail, and systematically hardening our security posture after our first enterprise-wide penetration test. We need someone who wants to be hands-on in all of it. Not managing from a distance, but in the console, at the store, on the phone to vendors, getting it done. What You'll Do: - Own day-to-day infrastructure operations across servers, virtualisation (VMware/Hyper-V), Active Directory, Entra ID, Microsoft 365, DNS, DHCP, and core network services across all sites - Drive the on-premises to Azure migration: assess workloads, plan waves, execute lift-and-shift and re-platform moves, and validate post-migration performance and security - Lead systematic remediation of penetration testing findings: triage by severity, build plans, execute fixes, and verify closure - Own the vulnerability management cycle: scan, prioritise, remediate, report residual risk weekly - Triage security alerts from CrowdStrike Falcon, Mimecast, Netskope, and ADAuditPlus and integrate them into ITIL workflows - Build and mai...