Axiom Technologiesis an Australia-based entity with a history of providing Managed IT solutions to medium- to large-scale enterprises globally.
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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.
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 Responsibilities
Assess 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 availability
Capacity and performance
Connectivity and routing
Management and out-of-band access
Operational and business impact
Validate 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 Designs
Network diagrams
Implementation plans
Risk and impact assessments
Validation/test plans
Rollback and backout procedures
Own network changes end-to-end through thechange-management and CAB process.
Perform hands-on configuration, troubleshooting and implementation of:Routing and switching
WAN/LAN connectivity
VLANs and trunking
Routing protocols
Network management and access services




Lead 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:IPAM
DNS
AAA
SNMP/syslog/NTP
CMDB
Asset records
Circuit and connectivity records
Monitor 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 Experience
6+ years of hands-on network engineering experience, with proven ownership of assessment, design, change and implementation activities.
Solid hands‐on experience withCisco IOS and IOS‐XE.
Strong understanding and troubleshooting experience with:OSPF
BGP
Static Routing
VRFs
VLANs
*****Q Trunking
Spanning Tree Protocol
First-Hop Redundancy Protocols
Proven experience developingtarget-state network designs and migration strategiesfor consolidation, scale-down, refresh, migration and infrastructure retirement.
Strong understanding of network resilience, capacity planning, service dependencies and business impact.
Experience working withlegacy and end‐of‐life network technologies, particularly:X.25
Serial connectivity
Terminal servers
Console servers




Good knowledge of network management and out‐of‐band access technologies, including:SNMP
Syslog
NTP
TACACS+
RADIUS
ACLs
Jump hosts
Strong troubleshooting skills, including the ability to analyse:Network configurations
Traffic flows
Logs
Monitoring alerts
Packet captures
Strong 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 projects
Refresh programmes
Technical‐debt reduction initiatives
Experience managing network circuits and working directly withthird‐party carriers and service providers.
ITIL andServiceNowexperience.
Exposure to related technologies such as:Firewalls
DDI (DNS, DHCP, IPAM)
NAC
Network automation
Enterprise monitoring platforms
The 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
📍 New South Wales