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 www.axiomtechnologies.com

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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 n
- 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 n
- 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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- 802.1Q 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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- Strong 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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- Solid 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