Responsibilities: Architect and implement firewall and security solutions to safeguard our network infrastructure and data.Collaborate with teams to design and deploy monitoring platforms, ensuring proactive issue detection and quick response.Evaluate and optimize platform configurations, aligning with security protocols and performance goals.Work closely with stakeholders to integrate security requirements into infrastructure projects and solutions.Lead the setup and management of secure platforms, enhancing both network protection and operational efficiency.Conduct regular reviews of monitoring systems to refine alert settings and enhance incident response effectiveness.Qualifications: Proven experience in designing and implementing firewall and network security solutions.Strong knowledge of security protocols, monitoring systems, and platform management tools.Demonstrated expertise in managing security-focused infrastructure projects in complex environments.Familiarity with network protocols, intrusion detection, and threat monitoring systems.Experience working with cross-functional teams to integrate security practices into infrastructure design.Proficiency in configuring and optimizing platforms for both secure access and high performance.Experience in DNS will be highly regarded.Additional Information: 3 days in the office, 2 days remote – with flexible hours to suit!Inclusive paid parental leave, up to 14 weeks for the primary caregiver.All Optus employees have access to resources, webinars, and support via the 'Parents at Work portal'.Own your own growth by accessing an extensive online and facilitator-led learning catalogue – even earn an MBA micro-credential via OptusU (University).Connect at work through one of our employee-led volunteer groups: Culture Connect, Elevate Women, Disability Network, Express Yourself (LGBTQIA+), United Veterans, and Yarn Network.Vibrant campus life, variety of facilities including restaurants, cafes, gymnasium, GP, and post office.Easy travel options to Sydney Campus: Macquarie University Metro Station (every 6-8 minutes); morning and afternoon! #J-18808-Ljbffr