Core Network Support Authority
Confirmed on the employer's own hiring board on Nov 9, 2026. First seen by Alion on Oct 22, 2026. Vodafone Group scores C on the Alion truth index.
Join Us
At Vodafone, we’re not just shaping the future of connectivity for our customers - we’re shaping the future for everyone who joins our team. When you work with us, you’re part of a global mission to connect people, solve complex challenges, and create a sustainable and more inclusive world. If you want to grow your career whilst finding the perfect balance between work and life, Vodafone offers the opportunities to help you belong and make a real impact.
What you’ll do
The 3rd Line CSDB Voice Core Specialist is responsible for leading, managing and supporting Ericsson CSDB Core network elements and Nokia One-DS and 3DS nodes to ensure high availability, performance, and reliability of voice and multimedia services. This role involves proactive fault finding, incident troubleshooting and resolution, configuration management, 24x7 On-call incident support, upgrades, re-deployment and collaboration with cross-functional teams and vendors.
Responsibilities:
Core Network Support
- Support CSDB network elements: Ericsson CCDM, CCSM, HSS, CUDB, HLR, vUPG, EIR, USSD, and EDA2 and Nokia One-DS and 3-DS.
- Ensure service availability and performance through maintenance and incident resolution.
- Participate in 24x7 On-Call rotation for incident and proactive assistance.
- Automating the daily and complicated tasks.
Incident & Problem Management
- Respond promptly to service failures and major issues.
- Conduct root cause analysis and implement workarounds.
- Collaborate across teams to resolve problems effectively.
Performance & Availability Management
- Act as system owner for platform support.
- Check KPIs and analyse performance trends.
- Contribute to improvement meetings and ensure changes protect service availability.
Proactive Service Assurance
- Perform regular health checks and KPI reviews to protect network integrity.
- Conduct resilience failure analysis and performance management.
- Engage with vendors for continuous service improvements.
Network Configuration Work
- Configure new number ranges, GT’s, APNs and Roaming Realms onto the VF network.
- Certificate management.
Supplier & Third-Party Management
- Assist in vendor issue resolution and monitor performance against SLAs.
- Participate in audits and maintain compliance.
Change Management & New Service Introduction
- Ensure network changes are implemented without unplanned outages.
- Follow change management processes including testing and documentation.
Software Rollout (LCM)
- Load new software onto the lab and rollout to live once tested.
Who you are
Core competencies, knowledge and experience:
- Strong knowledge of CSDB architecture Ericsson CCDM, CCSM, HSS, CUDB, HLR, vUPG, EIR, USSD, EDA2 and Nokia One-DS and 3-
- Knowledge on upgrades, re-deployment of VNFs, of above-mentioned nodes.
- Hands-on experience with Kubernetes.
- Proficiency in troubleshooting using nodes logs, and Wireshark traces,
- Ability to work under pressure in 24x7 environments.
- Strong collaboration and communication skills.
- Adaptability to emerging technologies (NFV, SDN, Cloud).
Must have technical/professional qualifications:
- Bachelor’s degree in Telecommunications/Electronics/Computer Engineering.
- 7 years+ of experience in CSDB operations.
Not a perfect fit?
Worried that you don’t meet all the desired criteria exactly? At Vodafone we are passionate about empowering people and creating a workplace where everyone can thrive, whatever their personal or professional background. If you’re excited about this role but your experience doesn’t align exactly with every part of the job description, we encourage you to still apply as you may be the right candidate for this role or another opportunity.
What's in it for you
- Discretionary yearly bonus: 10%
- Annual leave: 28 days + bank holidays + the opportunity to buy/carry over 5 days/year
- Charity days: 5 days/year
- Maternity/adoption leave: 52 weeks out of which the first 13 weeks are fully paid followed by 26 weeks of half pay and 6 months - working 4 days, getting paid 5
- Paternity leave: 16 weeks fully paid
- Private pension: You can contribute up to 5% of your basic pay with 2:1 matching from Vodafone up to 10%.
- Access to: private medical, private dental, free health assessments, share save scheme
- Additional discounts: Vodafone retail, gym, cinema, cycle to work, season ticket loan
Who we are
We are a leading international Telco, serving millions of customers. At Vodafone, we believe that connectivity is a force for good. If we use it for the things that really matter, it can improve people's lives and the world around us. Through our technology we empower people, connecting everyone regardless of who they are or where they live and we protect the planet, whilst helping our customers do the same.
Belonging at Vodafone isn't a concept; it's lived, breathed, and cultivated through everything we do. You'll be part of a global and diverse community, with many different minds, abilities, backgrounds and cultures. ;We're committed to increase diversity, ensure equal representation, and make Vodafone a place everyone feels safe, valued and included.
If you require any reasonable adjustments or have an accessibility request as part of your recruitment journey, for example, extended time or breaks in between online assessments, please refer to https://careers.vodafone.com/application-adjustments/ for guidance.
Together we can.