VodafoneThree
VodafoneThree - Senior Engineer
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Senior Engineer (Packet Core Services) – Vodafone Three
Location: Newbury (+ Hybrid) Working Hours: Full-time (37.5 hrs/week, Mon–Fri) Flexible Office Attendance: 2–3 days per week
About VodafoneThree
We’re shaping the UK’s most robust network – connecting communities, bridging the digital divide, and driving progress through innovation. Our hybrid workplace model empowers collaboration, fostering an inclusive culture where everyone thrives.
Part of Vodafone’s UK Networks team, we deliver giga-fast connectivity, automate operations, and pioneer responsive solutions for millions across the country.
The Role: Senior Engineer (Packet Core Services)
The Network Engineering function ensures secure, scalable, and high-performance connectivity for VodafoneThree’s consumer and enterprise services through core network design, delivery, and lifecycle management.
You’ll lead as a Senior Engineer in Packet Core Services, responsible for:
Key Responsibilities
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Strategic Leadership & Technology Roadmaps
- Define long-term lifecycle management roadmaps for packet core platforms (e.g., MME/AMF, GGSN, PGW/UPF, IPX/GRX, NAT, DNS).
- Drive adoption of cloud-native, software-defined, and virtualised 5G core architectures.
- Evolve legacy systems (e.g., radio access networks, signalling) toward modernised infrastructures.
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Core Network Design & Implementation
- Segment 2G, 4G, and 5GC architectures, aligning with business demand for:
- IoT and enterprise solutions
- Private networks and Multi-access Edge Computing (MEC)
- Work cross-functionally with stakeholders to deliver compliant, scalable solutions.
- Oversee KPI monitoring and performance excellence (e.g., session setup success, latency, security, resilience).
- Segment 2G, 4G, and 5GC architectures, aligning with business demand for:
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Integration & Assurance
- Lead design-for-build (DFB), integration, and acceptance testing for live network deployment.
- Guarantee security and compliance across core-IP transport, signalling móhimity Toll-free (including roaming/GRX, interconnects).
- Support incident/issue resolutions in collaboration with Operations teams.
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Innovation & Operational Excellence
- Champion automation (e.g., Ansible, CI/CD pipelines).
- Secure optimal data plane performance (e.g., QoS, DPI).
- Proactively manage risks for elastic scalability and zero-downtime services.
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Commercial & Regulatory Alignment
- Partner with roaming/internet/exchange teams on features like data offload, MEC attachejšáιάς and GDPR compliance.
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Team Collaboration
- Work directly with Senior L4 L5 to align end-to-end engineering.
- Manage multidisciplinary engagements (architects, developers, network ops).
Qualifications & Experience
We’re looking for senior expertise in 5G/4G/LTE core networks:
Core Requirements
- Proven track record designing core network stacks (MME/AMF, GGSN, SGSN, PGW/SGW/UPF).
- Hands-on experience with:
- ** IPv6, Northbound APIs** (e.g., PMIP) for interoperability.
- Automation (container orchestration, CI/CD workflows, NFV).
- Traffic steering, policies, and DPI optimisation.
- Understanding of IMS,-ch الاتفاقية으며 ف materiais, peer/connect frameworks, and Telekom ETSI standards.
- Regulatory/roaming architecture knowledge for multi-operator ecosystems.
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Technical Depth
- 2G/3G/LTE/5GC software (GTPv2, CGR, Interactive-Diameter).
- DNS, security gateways, and carrier-grade NAT.
- Troubleshooting, RFC-compliance, and vendor solutions (ERICSSON, Vivo, and Nokia).
Why Join Us?
- Hybrid work: Shape the future of UK networks from office or home.
- Impact: Your work expands connectivity for millions—from rural connectivity to mission-critical IoT.
- Growth: Skilled learning paths with unparalleled training budgets.
- Inclusivity: Your story is welcome here—let’s build a future where everyone belongs.
About Your Candidate Fit
📌 What if your experience doesn’t match every bullet? Our diversity focus means you might fit another role. Reach out—we’re here to see your potential.
Our Commitments
🔒 Background checks: Part of joining includes DBS, FCA compliance. 🚀 AI transparency: We value your authenticity over AI-framed candidate assets.
Able to apply? Message jobs@three.co.uk to discuss reasonable adjustments in advance—we’re committed to equity at every step. Let’s connect.
#VodafoneThree
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