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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
Education and experience
- Experience: 15+ years in telecom Value Added Services (VAS) or related network services, supporting large-scale carrier-grade environments
Mandatory technical skills
- Strong 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?Click Here to find all you need to know about what our typical hiring process looks like.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. learn more.
Primary country and city: Australia (AU) || Sydney
Req ID: 788220
