Technical Authority CS Core

Grow with us

The Technical Authority Expert – CS Core is part of Managed Services deliveries in line with the Ericsson Operations Engine. The role is 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, Business Requirement Impact Analysis, and support for complex change execution
• 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

Join our Team

The skills you bring

Technical Competencies

• 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.

Qualification & Industry Experience

• 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.
• Experience supporting large-scale telecom operator networks is preferred.

Behavioral Competencies

• Strong leadership and cross-functional coordination capabilities.
• Excellent communication and stakeholder management skills.
• Strong analytical, troubleshooting, and problem-solving abilities.
• Proactive and results-oriented mindset.
• Ability to work effectively under pressure in critical operational environments.
• Flexible and adaptable to changing operational demands.
• Strong collaboration and knowledge-sharing mindset.
• Fluent in English.

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: Saudi Arabia (SA) ||

Req ID: 785977

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