Mode Talent Pty Ltd is seeking a senior Network Security Engineer with Fortinet expertise to lead OT/industrial security projects for a major enterprise. The role is client‑facing and will design and deliver secure network solutions across enterprise and OT environments, including Fortinet firewalls and related platforms. This hybrid Sydney role offers a 3‑day onsite pattern, an initial 6‑month contract with view to permanency, and solid career development support with training and