Profectus is seeking an experienced Network Engineer to support the operation and sustainment of secure networks within Defence.
You will work across connectivity states, device configuration, and node deployments, keeping critical network capability available and performing.
Working alongside peer technical teams, you will configure and troubleshoot network hardware and software under change control, maintain secure boundary interfaces, and support the delivery of collaboration services across Defence bearers.Key ResponsibilitiesPerform work on managed Defence networks, including connectivity states, device configuration, and node deploymentsConfigure routing, switching, and firewall hardware and software under change control, using technologies such as Cisco IOS and equivalentsMonitor network device and link states, identify hardware or path failures, and report on affected links, sites, and activitiesTroubleshoot diverse faults with peer teams, exhaust all fault possibilities, and take ownership of faults within your area of responsibilityMaintain secure boundary interfaces, ensuring firewalls only permit traffic using the ports and protocols approved in Authority to Operate (ATO) documentsSupport collaboration service deployments and ongoing operation across network bearers, including Network Address Translation (NAT) traversal of Voice over IP (VoIP) and Video Teleconference (VTC) protocolsGenerate Configuration Management Database (CMDB) inputs and pass Network Configuration Item (CI) state changes to the Configuration ManagerApply ITIL service management principles, including participation in Change Advisory Boards (CAB), and use IT service management toolsets for ticketing, scheduling, and prioritisationContribute technical designs and content to knowledge repositories, and provide input to policy, process, and procedures on requestProvide team leader functions where required,



with appropriate support and training providedHandle classified information in accordance with standing ADF instructions, including the Defence Security Principles Framework (DSPF) and the Australian Government Information Security Manual (ISM)Protect Commonwealth Intellectual Property and uphold Defence international obligationsIT Service Management certification5+ years of network industry IT experience, relevant military experience, or a combination of both.
Alternatively, a tertiary degree or vocational qualifications in a closely related disciplineDemonstrated experience configuring routing, switching, and firewall technologies such as Cisco IOS under change controlDemonstrated ability to troubleshoot complex network faults through to resolutionAn unrestricted ability to deploy to Australian Defence Force (ADF) military installations in support of training activities and eventsDemonstrated ability to communicate effectively with technical peers and frontline IT leadershipDemonstrated ability to conduct yourself in a manner reflective of ADF valuesExperience maintaining secure network boundaries and firewall rule sets aligned to approved ATO documentsExperience supporting collaboration services, including VoIP and VTC, across secure network bearersExperience contributing to CMDB and configuration management processesExperience working within Defence or similarly secure, highly regulated environmentsSecurity Clearance RequirementMust be an Australian CitizenMust have an AGSVA NV1 (minimum) Security ClearanceAGSVA NV2 Security Clearances preferredWorking Arrangements100% onsite in CanberraOccasional travel may be requiredWhy ProfectusProfectus partners with Defence to deliver trusted, secure ICT capability across critical environments.
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 Engineer (Canberra)
🏢 Profectus
📍 Canberra