Technical Authority CS Core
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Key skills for this role
About the Role
Ericsson seeks a Technical Authority Expert for CS Core to provide technology leadership and domain expertise within Managed Services. The role involves daily operations, incident management, configuration, performance optimization, and security compliance for CS Core network elements.
Key Skills for This Role
Responsibilities
- Provide technical authority and domain expertise for CS Core platforms and services
- Perform daily operation and maintenance activities for CS Core network elements
- Perform Daily Health Checks, Quarterly Audits, and Special Event Audits
- Provide Incident Management support including complex incident resolution and critical incident handling
- Manage, implement, and verify configurations across all CS Core nodes
- Analyze KPI trends, degradation indicators, and performance metrics
- Ensure all CS Core nodes comply with security requirements and regulatory obligations
- Support Analytics & Automation teams by identifying automation opportunities
- Perform end to end tracing across protocols and interfaces for fault isolation
Requirements
- Degree in Engineering, Telecommunications, Computer Science, Electronics, or equivalent
- 5–10 years of experience within the telecom industry
- Strong expertise in CS Core technologies including MSC, MGW, HLR, IP STP, HSS, UDC, DSC/EIR
- Strong understanding of telecom network architecture across 2G, 3G, 4G, and 5G
- Experience with protocol tracing and end to end troubleshooting
- Strong analytical and problem solving capabilities
- Fluent in English
Full Job Posting
Grow with us
- The Technical Authority Expert – CS Core is part of Managed Services deliveries in line with the Ericsson Operations Engine
- Responsible for providing technology leadership, domain expertise, operational support, and automation enablement within Core domain
CS Core Operations & Technical Authority
- Provide technical authority and domain expertise for CS Core platforms and services
- Perform daily operation and maintenance activities for CS Core network elements including MSC, MGW, HLR, IP STP, HSS, UDC, DSC/EIR/PG/UPG, Backup Servers, CCDM, CCRC, CCSM, SC, EDA2, NeLS, and related platforms
- Perform Daily Health Checks, Quarterly Audits, and Special Event Audits across all managed CS Core nodes
- Ensure smooth operation of CS Core services through proactive monitoring, troubleshooting, and performance optimization
Assurance & Incident Management
- Perform assurance support activities including Change Introduction Impact Analysis and Business Requirement Impact Analysis
- Support change rollback and fallback decision making
- Provide Incident Management support including complex incident resolution, critical incident handling, and service restoration
- Initiate Problem Management activities and third level functional escalations
- Perform root cause analysis and drive corrective/preventive actions
- Coordinate with vendors, suppliers, field services, and customer teams during incident resolution
Configuration & Change Management
- Manage, implement, and verify configurations across all CS Core nodes to ensure consistency, reliability, and compliance
- Support software lifecycle management including software upgrades, patch management, and package implementation
- Analyze software update impacts and provide implementation recommendations
- Support standard change execution, feature implementation, and configuration management activities
Performance & Customer Experience Management
- Maintain on demand performance of core network components and services
- Analyze KPI trends, degradation indicators, and performance metrics
- Drive customer experience improvement initiatives through operational analysis and service optimization
- Support activities including KPI analysis, service quality improvements, and issue resolution
Security & Compliance
- Ensure all 5GC and CS Core nodes comply with customer security requirements, regulatory obligations, and operational standards
- Perform configuration and security audits to verify compliance with internal policies and external regulatory requirements
- Define and coordinate preventive maintenance and security maintenance activities
Analytics & Automation
- Support Analytics & Automation teams by identifying automation opportunities and operational improvement initiatives
- Assist in defining automation requirements and validating developed automation use cases
- Support development and maintenance of automated service delivery methodologies
- Perform trend analysis to proactively identify potential failures and improve restoration
Troubleshooting & Protocol Analysis
- Perform end to end tracing across protocols and interfaces to support fault isolation and troubleshooting activities
- Analyze signaling flows, network traces, and service behavior across CS Core environments
- Support inter domain troubleshooting activities involving Core, IMS, PS Core, IP, and Cloud domains
The skills you bring
- Strong expertise in CS Core technologies including MSC, MGW, HLR, IP STP, HSS, UDC, DSC/EIR, and related network elements
- Strong understanding of telecom network architecture across 2G, 3G, 4G, and 5G technologies
- Deep knowledge of mobile core networks, telephony switching principles, signaling, call control, digit analysis, and voice services
- Experience performing protocol tracing and end to end troubleshooting across telecom interfaces and services
- Strong understanding of KPI formulas, KPI degradation analysis, and troubleshooting methodologies
- Knowledge of software lifecycle management, patching, upgrades, and configuration management
- Experience with multivendor telecom environments and operational support models
- Good understanding of automation, analytics, Machine Learning, Artificial Intelligence, and Cloud technologies
- Strong analytical and problem solving capabilities
- Degree in Engineering, Telecommunications, Computer Science, Electronics, or equivalent
- 5–10 years of experience within the telecom industry
- Strong operational experience within CS Core, Mobile Core, or Managed Services environments
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