Profectus is seeking multiple experienced Lead Network Security Engineers to support the operation, maintenance and uplift of important network infrastructure within an Australian Government agency. You will plan, implement and operate network services and systems across hardware and virtual environments, and assess complex information systems for protection against advanced threats. The work covers network design and configuration, device configuration review, security architecture assessment and system hardening advice.
Key Responsibilities
Plan, implement and operate network services and systems across hardware and virtual environments
Test and maintain network infrastructure, including software and hardware devices
Configure and manage protection components, including hardware firewalls, servers and routers
Assess network security architectures and recommend improvements
Review network device configurations and recommend changes to improve security
Apply defence in depth principles in network design and configuration
Secure network communications across the setting
Assess critical infrastructure systems using current security toolsets and knowledge of malicious actor techniques, tools and processes
Provide advice on hardening and defending systems against advanced threats
Provide feedback on network requirements, architecture and infrastructure
Analyse network traffic patterns using network management tools
Explain technical findings to technical and non-technical stakeholders
Required Experience




Minimum 5 years experience in a cyber security role
Experience implementing, maintaining and assessing established network practices and recommending improvements
Experience configuring and using hardware firewalls, servers, routers and other protection components
Experience assessing network security architectures and applying defence in depth
Experience reviewing network device configurations and recommending security improvements
Demonstrated experience securing network communications
Experience working at a lead or EL1 equivalent level
Strong knowledge of networking concepts, protocols and network security methods
Knowledge of IT security principles and methods, including firewalls, demilitarised zones and encryption
Experience using network management tools to analyse and interpret network traffic
Experience explaining technical concepts to non-technical audiences, in writing and verbally
Experience securing networks within Defence or national security environments
Relevant certifications such as CCNP Security, CISSP or GIAC
Security Clearance Requirements
Must be an Australian Citizen
Must hold a current AGSVA NV1 Security Clearance
Working Arrangements
Onsite
Why Profectus
Profectus partners with Australian Government agencies to deliver trusted ICT capability across complex delivery programs. We take a long term, relationship driven approach, supporting our people across the full lifecycle of their engagement while contributing to outcomes of national importance.
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📌 Network Security Engineer (Canberra)
🏢 Profectus
📍 Canberra