MS Core and Cloud Specialist
Skills
About This Role
Overview
Grow with us
About this opportunity:
The MS Core & Cloud Specialist is part of Managed Services deliveries in line with the Ericsson Operations Engine.
The role is responsible for providing technology leadership, expertise, operational support, and automation enablement across the full lifecycle of Create, Sustain, and Evolve within Core and Cloud domains, including CS Core, PS Core, IMS, IP Core, EPC, and Cloud environments.
The role supports operational excellence across mobile core networks by ensuring service availability, performance, capacity management, troubleshooting, automation development, and customer experience improvement activities.
The specialist will work closely with Domain Support, Automated Operations, Analytics & Automation teams, vendors, suppliers, and cross-functional operational teams.
Core & Cloud Operations
- Perform daily health checks, quarterly audits, and special events audits on Ericsson PS Core nodes including MME, SGSN, GGSN, SAPC, EPG, PCC/PCG, SMF/UPF, and related core network elements.
- Troubleshoot and resolve network faults, performance degradation issues, and capacity-related trouble tickets.
- Manage subscriber sessions, PDP contexts, bearer handling, and IMSI tracing activities.
- Implement and configure APNs, IMSI ranges, rating groups, QoS profiles, and PCC policies.
- Configure PDR/QER/FAR/URR policies and support integration with PCRF/SAPC platforms.
- Manage DNS, NAPTR, and SRV configurations for IMS and EPC services.
- Support integration and onboarding of new PS Core nodes including vEPG, vMME, and vUPF in Cloud/Kubernetes environments.
- Plan and implement software upgrades, patches, feature implementations, and capacity expansions.
- Handle all CSRs with Customer Support teams.
Assurance & Incident Management
- Perform assurance support activities including Change Introduction impact analysis, Business Requirement Impact Analysis, and complex change execution support.
- Support rollback and fallback decision processes during major changes.
- Support Incident Management activities including complex incident resolution, critical incident handling, Problem Management initiation, and 3rd level functional escalation.
- Coordinate with suppliers, vendors, partners, and field services during incidents and operational escalations.
- Define and support KPI reporting, event correlation, and filtering mechanisms.
- Conduct proactive trend analysis to identify potential failures and improve recovery processes.
Customer Experience & Fulfillment
- Support Customer Experience Management activities including customer experience analysis, issue resolution, and service improvement initiatives.
- Drive customer experience use case configuration, testing, and validation.
- Handle Service Fulfillment activities including end-to-end service requests, software/package implementation, patch management, and configuration management.
- Perform standard change handling, feature implementation, and workaround execution/removal.
- Report on Service Resource Fulfillment KPIs and operational performance.
Automation & Analytics
- Support Analytics & Automation teams by identifying automation opportunities and defining automation requirements.
- Develop, maintain, and improve automated service delivery methodologies and automation solutions.
- Develop and maintain scripts using Bash, Python, Expect, AWK, or similar technologies for log parsing, KPI analysis, reporting, and automation.
- Investigate and troubleshoot automation component issues.
- Perform validation and acceptance of developed automation use cases.
Cross-Domain Collaboration
- Build understanding of interfaces, protocols, and system parameters across multiple telecom domains to support cross-domain troubleshooting.
- Interface with E2E Service Experts and cross-domain squads to resolve service-impacting issues.
- Support Domain Support and Automated Operations teams with Core and Cloud expertise.
Technical Competencies
- Strong understanding of Mobile Core network architecture across 2G, 3G, 4G, and 5G technologies.
- Strong expertise in Ericsson PS Core nodes including MME, SGSN, GGSN, SAPC, EPG, PCC/PCG, SMF/UPF, and IMS-related systems.
- Solid understanding of telecom signaling, subscriber management, bearer management, and EPC/5GC architecture.
- Strong troubleshooting experience within multivendor telecom environments.
- Good knowledge of Cloud technologies, virtualization, Kubernetes, and containerized telecom solutions.
- Strong understanding of KPI analysis, KPI degradation, troubleshooting methodologies, and performance optimization.
- Good scripting and automation experience using Bash, Python, Expect, AWK, or similar scripting languages.
- Good understanding of AI, Machine Learning, analytics, and automation concepts within telecom operations.
- Knowledge of customer segmentation, service flows, and telecom support processes.
- Understanding of Core and access network performance/configuration parameters and their interpretation.
- Strong understanding of telecom network architecture and core node performance characteristics.
Qualification & Industry Experience
- Degree in Engineering, Telecommunications, Computer Science, Electronics, or equivalent.
- 5–10 years of experience within the telecom industry.
- Experience in Managed Services, Core Operations, Cloud Operations, or Telecom Support environments preferred.
Behavioral Competencies
- Strong leadership and cross-functional coordination capabilities.
- Excellent communication and stakeholder management skills.
- Strong analytical, troubleshooting, and problem-solving capabilities.
- Proactive and results-oriented mindset.
- Ability to work effectively under pressure in fast-paced operational environments.
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.
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