Job Description
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

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We 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.
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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.
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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.
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Key Responsibilities
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Assess existing network infrastructure, services, traffic patterns, utilisation and dependencies across multiple sites.
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Analyse existing network architecture and make recommendations toretain, consolidate, scale down, migrate, refresh or
retireinfrastructure.
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Develop target-state network designs and detailed migration strategies, considering:n
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Network resilience and availability
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Capacity and performance
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Connectivity and routing
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Management and out-of-band access
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Operational and business impact
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Validate technical requirements, assumptions and dependencies with platform owners, service owners, project managers and other stakeholders.
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Produce high-quality technical documentation, including:n
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High-Level and Low-Level Designs
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Network diagrams
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Implementation plans
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Risk and impact assessments
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Validation/test plans
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Rollback and backout procedures
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Own network changes end-to-end through thechange-management and CAB process.
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Perform hands-on configuration, troubleshooting and implementation of:n
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Routing and switching
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WAN/LAN connectivity
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VLANs and trunking
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Routing protocols
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Network management and access services
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Lead or support the migration and retirement of legacy technologies, includingX.25, serial connectivity, terminal servers and console servers.
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Coordinate implementation activities with field engineers, remote-hands teams, network carriers and third-party service providers.
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Ensure all operational records are accurately maintained, including:n
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IPAM
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DNS
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AAA
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SNMP/syslog/NTP
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CMDB
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Asset records
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Circuit and connectivity records
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Monitor implementation progress and provide senior-level technical escalation and troubleshooting support during critical changes.
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Analyse network configurations, traffic flows, monitoring data, logs and packet captures to identify root causes and design improvements.
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Identify opportunities to simplify network architecture, reduce technical debt, improve resilience and optimise operational costs.
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Provide technical guidance and mentoring to network engineers and implementation teams.
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Required Technical Experience
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6+ years of hands-on network engineering experience, with proven ownership of assessment, design, change and implementation activities.
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Strong hands‐on experience withCisco IOS and IOS‐XE.
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Strong understanding and troubleshooting experience with:n
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OSPF
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BGP
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Static Routing
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VRFs
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VLANs
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*****Q Trunking
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Spanning Tree Protocol
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First-Hop Redundancy Protocols
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Proven experience developingtarget-state network designs and migration strategiesfor consolidation, scale-down, refresh, migration and infrastructure retirement.
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Strong understanding of network resilience, capacity planning, service dependencies and business impact.
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Experience working withlegacy and end‐of‐life network technologies, particularly:n
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X.25
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Serial connectivity
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Terminal servers
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Console servers
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Good knowledge of network management and out‐of‐band access technologies, including:n
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SNMP
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Syslog
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NTP
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TACACS+
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RADIUS
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ACLs
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Jump hosts
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Solid troubleshooting skills, including the ability to analyse:n
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Network configurations
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Traffic flows
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Logs
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Monitoring alerts
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Packet captures
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Strong experience withITIL/change‐management processes, including impact assessment, implementation planning, rollback planning and CAB presentations.
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Understanding of physical network infrastructure, includingcabling, patching, circuits, rack infrastructure and carrier connectivity.
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Experience using network monitoring, documentation, diagramming,IPAM and CMDBtools.
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Excellent stakeholder communication, technical decision‐making and risk‐management skills.
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Experience working in alarge enterprise, service‐provider, carrier or multi‐site network environment.
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CCNP certificationor equivalent hands‐on technical expertise.
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Network automation experience usingPython, Ansible or similar technologies.
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Migration projects
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Refresh programmes
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Technical‐debt reduction initiatives
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Experience managing network circuits and working directly withthird‐party carriers and service providers.
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ITIL
andServiceNowexperience.
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Exposure to related technologies such as:n
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Firewalls
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DDI (DNS, DHCP, IPAM)
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NAC
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Network automation
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Enterprise monitoring platforms
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The successful candidate will demonstrate:
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Strong analytical and problem‐solving ability.
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Excellent understanding of enterprise network architecture.
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Confidence working incomplex, undocumented or legacy environments.
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Strong technical ownership and accountability.
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Ability to make sound engineering decisions while balancingrisk, cost, resilience and business impact.
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Excellent written and verbal communication skills.
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Ability to work effectively with technical and non-technical stakeholders.
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Ability to work independently while coordinating multiple technical teams and third parties.
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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
📍 New South Wales