Technical Specialist

Job description

Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions. The role is a senior network security expert responsible for designing, governing, and managing secure network architectures and platforms, while ensuring compliance with security standards and best practices. It involves close collaboration with engineering, cyber security, and operations teams to design and approve secure solutions such as firewalls, segmentation, and encryption technologies. The position also drives security improvements, provides technical leadership and mentorship, and supports risk assessment, incident response, and continuous enhancement of network security. Your day to day will consist of What makes you perfect for the role - Lead PIR and rep CSE across all problem management related engagements - Design, implement, and maintain firewall solutions using Fortinet (FW, Proxy, VPN) and Check Point platforms - Provide Tier‑3 technical support to resolve complex and critical network security incidents - Translate business, security, and network requirements into scalable and secure firewall designs...