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Join to apply for the Network Engineer - 6 month contract (Hybrid) role at C2 Group
Network Engineer – IMS & Core Network Migration
Location: Sydney
Type: 6-month contract + extensions
Role Overview
As a Network Engineer for our Telco client, you will be responsible for designing, implementing, and optimising IMS-based voice and multimedia services, leading complex core network migrations, and supporting cloud-native deployments. You'll work in a dynamic, multi-vendor environment and collaborate with cross-functional teams to ensure seamless service delivery.
Network Engineer – IMS & Core Network Migration
Location: Sydney
Type: 6-month contract + extensions
Role Overview
As a Network Engineer for our Telco client, you will be responsible for designing, implementing, and optimising IMS-based voice and multimedia services, leading complex core network migrations, and supporting cloud-native deployments. You'll work in a dynamic, multi-vendor environment and collaborate with cross-functional teams to ensure seamless service delivery.
Key Responsibilities
* Engineer and maintain IMS core network components, with a focus on Ericsson architecture (CSCF, HSS, TAS, MRF, SBC).
* Rapidly adapt to Nokia IMS platforms (Cloud Native Communication Suite, TAS, CFX, SBC, MRF).
* Lead planning and execution of large-scale live core network migrations, including vendor swaps, rollback strategies, and cutover procedures.
* Support and troubleshoot 4G/5G voice services including VoLTE, VoNR, VoWiFi, and RCS.
* Design and secure IP networks using BGP, OSPF, QoS, VPNs, and SBCs (Ribbon, Metaswitch).
* Deploy and manage VNFs/CNFs on cloud platforms (OpenStack, Kubernetes, VMware).
* Use orchestration tools to automate and scale IMS deployments.
* Perform diagnostics and root cause analysis in multi-vendor environments.
* Communicate effectively with technical and non-technical stakeholders.
Required Skills & Experience
* Minimum 5 years in IMS core network engineering within a Telco or equipment vendor.
* Strong understanding of 3GPP IMS standards (SIP, Diameter, RTP, SDP, ISUP, H.248, Megaco).
* Proven experience with Ericsson IMS products and architecture.
* Nokia IMS experience highly desirable; candidates without it must demonstrate rapid learning ability.
* Hands-on experience with VoLTE, VoNR/5G Voice, VoWiFi, and IMS-based multimedia applications.
* Solid IP networking knowledge and experience with interconnect SBCs.
* Familiarity with cloud-native technologies and orchestration tools.
* Excellent troubleshooting, communication, and documentation skills.
* Ability to work independently and thrive in high-pressure environments.
Express your interest by following the online prompts.
Seniority level
* Seniority level
Mid-Senior level
Employment type
* Employment type
Contract
Job function
* Job function
Information Technology
* Industries
IT Services and IT Consulting
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