Axiom Technologies is an Australia-based entity with a history of providing Managed IT solutions to medium- to large-scale enterprises globally.
Please visit our website for more information about what we do at are looking for an experiencedSenior Network Engineerto join our team and take ownership of the design, optimisation, migration, implementation and lifecycle management of a large, multi-site network environment.The ideal candidate will have strong hands-on expertise inCisco routing and switching, combined with experience managing complex, legacy and poorly documented network environments.
You will be responsible for taking initiatives fromcurrent-state assessment and target-state design through change approval, implementation, validation and closure.This is a hands-on engineering role that requires strong technical judgement, structured problem-solving and the ability to deliver safe, resilient changes across business-critical networks.Key ResponsibilitiesAssess existing network infrastructure, services, traffic patterns, utilisation and dependencies across multiple sites.Analyse existing network architecture and make recommendations toretain, consolidate, scale down, migrate, refresh or retireinfrastructure.Develop target-state network designs and detailed migration strategies, considering:Network resilience and availabilityCapacity and performanceConnectivity and routingManagement and out-of-band accessOperational and business impactValidate technical requirements, assumptions and dependencies with platform owners, service owners, project managers and other stakeholders.Produce high-quality technical documentation, including:High-Level and Low-Level DesignsNetwork diagramsImplementation plansRisk and impact assessmentsValidation/test plansRollback and backout proceduresOwn network changes end-to-end through thechange-management and CAB process.Perform hands-on configuration,



troubleshooting and implementation of:Routing and switchingWAN/LAN connectivityVLANs and trunkingRouting protocolsNetwork management and access servicesLead or support the migration and retirement of legacy technologies, includingX.25, serial connectivity, terminal servers and console servers.Coordinate implementation activities with field engineers, remote-hands teams, network carriers and third-party service providers.Ensure all operational records are accurately maintained, including:IPAMDNSAAASNMP/syslog/NTPCMDBAsset recordsCircuit and connectivity recordsMonitor implementation progress and provide senior-level technical escalation and troubleshooting support during critical changes.Analyse network configurations, traffic flows, monitoring data, logs and packet captures to identify root causes and design improvements.Identify opportunities to simplify network architecture, reduce technical debt, improve resilience and optimise operational costs.Provide technical guidance and mentoring to network engineers and implementation teams.Required Technical Experience6+ years of hands-on network engineering experience, with proven ownership of assessment, design, change and implementation activities.Strong hands‐on experience withCisco IOS and IOS‐XE.Strong understanding and troubleshooting experience with:OSPFBGPStatic RoutingVRFsVLANs*****Q TrunkingSpanning Tree ProtocolFirst-Hop Redundancy ProtocolsProven experience developingtarget-state network designs and migration strategiesfor consolidation, scale-down, refresh, migration and infrastructure retirement.Solid understanding of network resilience, capacity planning, service dependencies and business impact.Experience working withlegacy and end‐of‐life network technologies,



particularly:X.25Serial connectivityTerminal serversConsole serversGood knowledge of network management and out‐of‐band access technologies, including:SNMPSyslogNTPTACACS+RADIUSACLsJump hostsStrong troubleshooting skills, including the ability to analyse:Network configurationsTraffic flowsLogsMonitoring alertsPacket capturesStrong experience withITIL/change‐management processes, including impact assessment, implementation planning, rollback planning and CAB presentations.Understanding of physical network infrastructure, includingcabling, patching, circuits, rack infrastructure and carrier connectivity.Experience using network monitoring, documentation, diagramming,IPAM and CMDBtools.Excellent stakeholder communication, technical decision‐making and risk‐management skills.Experience working in alarge enterprise, service‐provider, carrier or multi‐site network environment.CCNP certificationor equivalent hands‐on technical expertise.Network automation experience usingPython, Ansible or similar technologies.Migration projectsRefresh programmesTechnical‐debt reduction initiativesExperience managing network circuits and working directly withthird‐party carriers and service providers.ITIL andServiceNowexperience.Exposure to related technologies such as:FirewallsDDI (DNS, DHCP, IPAM)NACNetwork automationEnterprise monitoring platformsThe successful candidate will demonstrate:Strong analytical and problem‐solving ability.Excellent understanding of enterprise network architecture.Confidence working incomplex, undocumented or legacy environments.Strong technical ownership and accountability.Ability to make sound engineering decisions while balancingrisk, cost, resilience and business impact.Excellent written and verbal communication skills.Ability to work effectively with technical and non-technical stakeholders.Ability to work independently while coordinating multiple technical teams and third parties.A proactive approach to identifying network improvements and reducing technical debt.
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📌 Senior Network Engineer- Sydney, New South Wales, Australia
🏢 Axiom Technologies
📍 Sydney