Core Network Support Authority

In this role you will lead and support Ericsson CSDB Core and Nokia One-DS/3DS nodes to ensure high availability and performance of voice and multimedia services. You will work with cross-functional teams and vendors, perform proactive fault handling, and drive improvements through automation and incident resolution. You’ll be a key owner for platform reliability, operating 24x7 on-call support and contributing to service excellence. This position offers a chance to shape core network operations in a global, innovative telco environment.

• Discretionary yearly bonus: 10%
• Annual leave: 28 days + bank holidays + carry over
• Charity days: 5 days
• Maternity/adoption leave: 52 weeks
• Paternity leave: 16 weeks
• Private pension with 2:1 matching from Vodafone

• Support CSDB network elements (Ericsson CCDM, CCSM, HSS, CUDB, HLR, vUPG, EIR, USSD, EDA2) and Nokia One-DS/3-DS to ensure availability and performance
• Participate in 24x7 on-call rotation for incident response and proactive assistance
• Automate daily and complex tasks to improve efficiency
• Incident & Problem Management: perform RCA and implement workarounds, collaborate across teams
• Performance & Availability Management: act as system owner, analyze KPIs, contribute to changes
• Proactive Service Assurance: regular health checks, KPI reviews, engage vendors for improvements
• Network Configuration Work: configure number ranges, GTs, APNs, Roaming Realms; manage certificates
• Supplier & Third-Party Management: monitor SLAs, assist in audits and compliance
• Change Management & New Service Introduction: manage changes with testing and documentation
• Software Rollout (LCM): load software in lab and rollout to live after testing

• Bachelor’s degree in Telecommunications/Electronics/Computer Engineering
• 7 years+ of experience in CSDB operations
• Strong knowledge of CSDB architecture (Ericsson CCDM, CCSM, HSS, CUDB, HLR, vUPG, EIR, USSD, EDA2) and Nokia One-DS/3-DS
• Hands-on experience with Kubernetes
• Proficiency in troubleshooting using node logs and Wireshark traces
• Ability to work under pressure in 24x7 environments
• Strong collaboration and communication skills
• Adaptability to NFV, SDN, and Cloud

• Collaborative mindset
• Strong communication
• Ability to work under pressure
• Kubernetes
• Wireshark
• CSDB operations