Work options: On-Site Security Clearance Required for this role: Must have at least Negative Vetting 1 (NV1) security clearance, NV2 preferred. Must be an Australian Citizen Mon to Fri - office hours We are seeking an experienced Senior Cisco Network/Security Engineer to join our dynamic team. Responsibilities: Design, implement, and maintain complex networks that ensure the security and reliability of our systems. Configure and optimize Cisco networking equipment, including Catalyst C8300, C9400, and Nexus 9300 series switches. Expertise in design and configuration of Cisco Secure Firewall 3130 ASA Appliance. Collaborate with cross-functional teams to plan network upgrades and enhancements. Troubleshoot network issues promptly and document solutions. Ensure all new security products are installed correctly, configured accurately, and thoroughly tested before production deployment. Make informed decisions regarding network security measures, data protection, and encryption. Provide technical assistance to end-users experiencing network-related problems. Conduct training sessions for employees on the company’s secure networking infrastructure. Create detailed reports and diagrams to document network security operations. Stay up-to-date with the latest developments in network security technology. Requirements: Bachelor’s degree in Computer Science, Information Technology, or a related field. Proven experience as a Cisco Network/Security Engineer, with expertise in IP routing, switching, and wireless access points. Strong knowledge of Cisco Catalyst C8300, C9400, Nexus 9300 series switch, and Cisco Secure Firewall 3130 ASA Appliance. Excellent problem-solving skills and the ability to work well under pressure. Effective communication skills to collaborate with various teams and stakeholders. Cisco certifications (e.g., CCNA, CCNP, CCIE) are highly desirable.