Join our Team About this opportunity Ericsson is seeking a highly skilled MS Core Cloud Specialist – VAS to join our team in Sydney, NSW. This role focuses on multi-vendor VAS platforms including messaging, charging, roaming, API gateway, voicemail, eSIM, and IoT services, supporting mission‑critical value‑added services for Australian customers.

What you will do

Provide L2 operational support for VAS platforms, ensuring high availability and service continuity

Perform advanced troubleshooting and fault isolation for application, platform, and network‑related incidents

Restore services within agreed SLA/OLA targets by identifying and resolving technical issues

Analyze application, system, and network logs to determine root cause and implement corrective actions

Execute planned maintenance, software upgrades, patching, and configuration changes as per approved Change Requests

Prepare, review, and execute Method of Procedure (MOP) documents, including rollback and validation activities

Perform preventive health checks, capacity monitoring, and performance optimization of VAS platforms

Support Incident, Problem, Change, and Major Incident Management processes in line with best practices

Perform Root Cause Analysis (RCA) for recurring or critical incidents and recommend permanent fixes

Coordinate with L1 Operations, L3 Engineering, OEM vendors, and customer teams for issue resolution

Support platform administration including application services, interfaces, databases, certificates, and system configurations





Troubleshoot telecom protocols and interfaces such as SIP, SMPP, SS7, Diameter, HTTP/HTTPS, and REST APIs

Validate service functionality after maintenance activities and ensure successful post‑implementation verification

Monitor platform performance, identify potential risks, and proactively mitigate service‑impacting issues

Support Disaster Recovery (DR), Business Continuity (BCP), backup, and restoration activities

Develop and maintain technical documentation, SOPs, knowledge articles, and operational runbooks

Drive automation and process improvement initiatives to enhance operational efficiency and reduce manual effort

Participate in technical bridge calls, customer meetings, and OEM discussions during critical incidents and planned activities

Ensure compliance with security policies, operational standards, and audit requirements

Provide technical guidance and knowledge transfer to L1 teams while mentoring junior engineers

Support multi‑vendor VAS platforms including Ericsson, Nokia, Mavenir, Mobileum, Ribbon, Agnity, Apigee, Movius, and NVP technologies

Ensure accurate incident documentation, timely stakeholder communication, and adherence to Ericsson Managed Services operational processes





You will bring

Experience: 15+ years in telecom Value Added Services (VAS) or related network services, supporting large‑scale carrier‑grade environments

Mandatory technical skills

Robust hands‑on experience with telecom VAS platforms: SMSC, MMSC, OCS, IN, IVR, API Gateway, Voicemail, Roaming, eSIM, IoT

Solid OS administration skills in Linux / Unix environments

Experience supporting multi‑vendor VAS platforms including Ericsson, Nokia, Mavenir, Mobileum, Ribbon, Agnity, Apigee, Movius, and NVP

Why join Ericsson? At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

What happens once you apply? Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer.

Primary country and city: Australia (AU) || Sydney Req ID: 788220

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📌 Mc Core Cloud Specialist Vas (Haymarket)
🏢 Ericsson
📍 Haymarket