4g/5g Network Support Engineer

Colonial Group; City of Melbourne; Hybrid; AUD 90,000 - 130,000; Full time

Job summary

Colonial Group is seeking a hands-on 4G/5G Network Support Engineer based at our Mitcham Datacentre in Victoria, Australia. You will deliver Tier I/II operational support for our private wireless environment, ensuring reliability, performance, and availability of mobile core, radio networks, and connectivity platforms.

You will troubleshoot incidents, support deployments, monitor performance, and contribute to continuous improvement of operations and customer experience, working with vendors,

Qualifications

• Degree in Telecommunications, Computer Science, Information Technology, or equivalent practical experience.
• Experience in a Tier I or Tier II telecommunications, network operations, or technical support role.
• Strong understanding of 4G/LTE network architecture.
• Experience working with Linux-based operating systems.
• Strong analytical and problem-solving skills.
• Excellent communication and stakeholder engagement abilities.
• Ability to work independently and collaboratively in a fast-paced environment.

Responsibilities

• Provide first and second-level technical support across mobile core, radio access, transmission, connectivity, and user equipment environments.
• Investigate, diagnose, and resolve network incidents, escalating complex issues to specialist engineering teams as required.
• Troubleshoot and support key mobile network functions including eNB/gNB, MME, SGW, PGW, HSS, AMF, SMF, UPF, and UDM.
• Analyse and resolve Layer 2 and Layer 3 networking issues (OSPF, BGP, VLANs, NAT, DNS, DHCP).
• Support deployment, configuration, maintenance, and optimisation of telecommunications infrastructure.
• Monitor network and service performance and address issues before customer impact.
• Record incidents, resolutions, and configuration changes in ticketing systems.
• Produce regular operational reports and maintain technical documentation.

Skills

Troubleshooting

Analytical thinking

Communication

Independence

Customer focus

Education

Degree in Telecommunications/Computer Science/IT

Tools

Wireshark

SSH

Traceroute

IPSec

Linux

Job description

The Opportunity

As a 4G/5G Network Support Engineer based in our Mitcham Datacentre location, you will provide Tier I and Tier II operational support across Vocus' Private Wireless environment, ensuring the reliability, performance, and availability of our mobile core, radio networks, and associated connectivity platforms.

Working closely with senior engineering teams, vendors, and customers, you'll troubleshoot network issues, support new deployments, proactively monitor network performance, and contribute to the continuous improvement of our operations and customer experience.

What you'll be responsible for

• Provide first and second-level technical support across mobile core, radio access, transmission, connectivity, and user equipment environments.
• Investigate, diagnose, and resolve network incidents, escalating complex issues to specialist engineering teams as required.
• Troubleshoot and support key mobile network functions including:
  • eNB / gNB
  • MME, SGW, PGW, HSS
  • AMF, SMF, UPF and UDM
• Analyse and resolve Layer 2 and Layer 3 networking issues, including:
  • OSPF
  • BGP
  • VLANs
  • NAT
  • DNS
  • DHCP
• Support the deployment, configuration, maintenance, and optimisation of telecommunications infrastructure.
• Monitor network and service performance, proactively identifying and addressing potential issues before customer impact occurs.
• Configure and support SIMs, modems, routers, and other customer user equipment.
• Record incidents, resolutions, and configuration changes within ticketing and operational systems.
• Produce regular operational reports, including performance metrics and incident trend analysis.
• Maintain technical documentation, operational procedures, and knowledge base articles.
• Coordinate with vendors, carriers, and technology partners to resolve service issues and improve operational outcomes.
• Participate in an on-call roster and provide after-hours support when required.
• Ensure compliance with operational standards, security requirements, and industry best practices.

What you'll bring to the role

You are passionate about telecommunications technology, thrive in a hands-on support environment, and enjoy solving complex technical challenges.You bring strong troubleshooting skills, a customer-first mindset, and a desire to continuously learn and develop your expertise in mobile networking technologies.

Essential:

• Degree in Telecommunications, Computer Science, Information Technology, or equivalent practical experience.
• Previous experience in a Tier I or Tier II telecommunications, network operations, or technical support role.
• Sound understanding of 4G/LTE network architecture.
• Experience working with Linux-based operating systems.
• Strong analytical and problem-solving skills.
• Excellent communication and stakeholder engagement abilities.
• Ability to work independently and collaboratively in a fast-paced environment.

Highly Regarded:

• Experience troubleshooting LTE EPC and/or 5G Core networks.
• Knowledge of IP networking and routing technologies.
• Experience with network diagnostic and troubleshooting tools such as:
  • SSH
  • Wireshark
  • Traceroute
  • IPSec
• Experience delivering remote technical support.
• Cisco certifications such as CCNA, CCNP, or equivalent.
• Exposure to private wireless, enterprise mobility, or critical communications networks.