Top Technology Jobs & Startup Jobs in Sydney

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.

Lead 24x7 NOC incident response across customer networks: coordinate technical/management bridges, drive recovery, manage communications, run post-incident reviews, and improve processes to minimise service impact.

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 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.

Provide IP network technical authority across routers, switches, firewalls and load balancers: monitor ITSM, analyze P0-P4 incidents, resolve faults, coordinate escalations, support service restoration and SLA/HA targets, engage OEMs, develop automation, execute complex changes, run health checks/backups, and drive continuous improvement for managed services delivery.

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.

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.

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.

Lead and coordinate change management for telecom and IS/IT infrastructure: chair CAB, record and assess change requests, manage change schedule and CMDB, ensure risk/rollback plans, drive compliance and continuous improvement, train stakeholders, and reduce incidents related to change.

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.