Top Technology Jobs & Startup Jobs in Sydney

Support 5G Core and Cloud Core solutions for carrier-grade customer networks. Lead L2/L3 incident investigations, fault isolation, service restoration, root-cause analysis, and stability improvements across UDM, UDC, Kubernetes, and cloud-native platforms. Collaborate across product, project, service delivery, IMS, EPC, RAN, and BSS teams while providing customer updates, technical guidance, RCAs, automation, documentation, mentoring, and continuous improvement.

Operate and maintain telco cloud infrastructure and SDN in a 24x7 environment. Support Ericsson cloud products, OpenStack and Kubernetes/OpenShift workloads, hyperscale hardware, storage (Ceph/ScaleIO/Nexenta), datacenter networks, load balancers and firewalls. Monitor systems, perform capacity and health checks, automate tasks with Bash/Python/Ansible, and collaborate with cross-functional teams to ensure stable, secure virtualized network functions.

Operate, maintain and evolve Ericsson IMS and Nokia CS Core nodes across Sydney data centers. Perform fault management, incident resolution, upgrades, capacity planning, KPI monitoring, configuration/provisioning, change MOP development, Level 3 support and vendor escalation, and maintain documentation and knowledge-base.

Provide L2 operational support and administration for multi-vendor telecom VAS platforms (messaging, charging, roaming, API gateway, voicemail, eSIM, IoT). Perform advanced troubleshooting across application, platform, and network layers, manage incidents/changes, execute upgrades and maintenance, conduct RCAs, optimize performance and capacity, support DR/BCP and backups, develop runbooks and automation, and mentor junior engineers to meet SLAs.

Senior Packet Core engineer responsible for operating, maintaining and upgrading Ericsson PS Core and Amdocs PCF/PCRF nodes across Sydney data centers. Duties include fault and capacity management, KPI monitoring, configuration/provisioning with ENM/OneFM, software patching, MOP development, cross-domain incident collaboration, Level 3 support and vendor escalation, and maintaining documentation and runbooks.

Operate, maintain and evolve Ribbon/GENBAND fixed-voice switching across Australian data centers. Perform fault management, incident resolution, software upgrades, SBC provisioning, KPI monitoring, change MOPs, cross-team incident collaboration, Level 3 vendor escalation, and maintain network documentation and knowledgebase.

Operate and maintain Ericsson Telco Cloud (CEE/CNIS) and SDN infrastructure on Linux/OpenStack and Kubernetes/OpenShift. Manage hyperscale hardware, storage (Ceph/ScaleIO/Nexenta), switches/routers, load balancers, and firewalls. Monitor systems, perform capacity and health checks, and automate operations with Bash, Python and Ansible in a 24x7 environment.

Senior engineer to operate, maintain and evolve Ericsson PS Core and Amdocs PCF/PCRF nodes across Sydney data centers. Deliver L3 support, incident and fault management, software upgrades, capacity expansions, KPI monitoring, configuration/provisioning via ENM/OneFM, change MOPs, vendor TAC escalation, cross-domain collaboration, and maintain documentation.

Operate, maintain and evolve Ericsson IMS and Nokia CS Core nodes in Sydney data centers. Perform fault management, upgrades, capacity planning, KPI monitoring, configuration/provisioning via ENM/OneFM, produce MOPs, provide L3 support and vendor TAC escalation, and maintain network documentation and knowledge-base.

Lead PMO governance and program controls for large-scale telecommunications transformation programs. Own integrated schedules, milestones, forecasting, risks, issues, dependencies, readiness tracking, reporting, and executive governance. Coordinate cross-functional and third-party workstreams, support change and baseline control, maintain audit records, and drive process improvements. Serve as a key contact for customer governance and program control teams across 5G, cloud, network modernization, and digital transformation initiatives.