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
