VodafoneThree
VodafoneThree - Senior Engineer - Gateway Functions
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Senior Engineer - Gateway Functions
Location: Newbury + Hybrid Working Hours: Full time, 37.5 hours per week (Mon–Fri)
We believe connections make the extraordinary possible. Our hybrid working approach lets our people thrive – through collaboration in-person and independently. You’ll work 2–3 days a week in the office, designing these to suit your manager, team, and role.
About VodafoneThree
We’re building the UK’s most reliable network – one that connects people, places, and potential. Fairness for all means ensuring everyone, no matter where they are or how they access services, stays connected. Beyond just infrastructure, we close the digital divide, empower communities, and drive progress.
We’re a workplace where you belong, where every voice matters. Differences are celebrated, voices are heard, and everyone feels safe to share who they are. Join a team that works not just hard, but together for each other and our customers.
Why VodafoneThree? Your work drives meaningful change. With £11bn invested in 5G and digital infrastructure, you’ll transform industries, communities, and lives. Progress starts here – because progress belongs to everyone.
The Role: Packet Services & Gateway Functions
You’ll lead the cutting-edge engineering of gateway platforms responsible for subscriber mobility, secure interconnections, and high-capacity data transport. This includes signalling, mobility, policy/charging, and packet core services – the backbone of 4G, 5G, IoT, and enterprise connectivity.
As Head of Gateway Functions, you’ll set the engineering direction for platforms such as:
- GGSN / PGW / UPF
- Gi-LAN
- Internet peering gateways
- Roaming gateways
- Security gateways
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Key Responsibilities
- Strategic leadership: Collaborate with senior managers and technology direction architects (TDAs) to define and roadmap the lifecycle of GGSN, PGW/UPF, peering/IPX/GRX gateways, Gi/SGi-LAN, carrier-grade NAT, and security gateways.
- Evolution planning: Drive the transition from legacy gateways to cloud-native, software-defined, and virtualised 5G core architectures.
- Technical ownership: Manage the design, implementation, integration, and acceptance testing of gateway platforms into the live network.
- Performance and reliability: Ensure gateways meet business and regulatory requirements for scalability, performance, and security.
- Innovation: Streamline operations through automation, traffic optimisation, and policy-driven architectures.
- Stability assurance: Partner with Operations to monitor stability, resilience, and proactive risk management.
- Performance tracking: Establish and monitor KPIs including session success rates, throughput, latency, roaming performance, and security compliance.
- Problem resolution: Participate in incident investigations and problem management, with a focus on long-term fixes.
- Cross-functional collaboration: Work closely with leaders from signalling, IP, cloud, and security domains.
- Vendor management: Lead relationships with key partners to influence product roadmaps and secure best-in-class solutions.
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About You
Industry certifications (e.g., 3GPP standards) or cloud qualifications are highly advantageous.
Essential Technical Knowledge
- Deep experience in GGSN/PGW/SGW/UPF, IPX/GRX, Gi/SGi-LAN, NAT, DPI.
- Extensive working knowledge of 3G, LTE, and 5G-SA (Individual Packet Core & SMF) data networks from end-to-end.
- Understanding of 5G core 3GPP standards with familiarity of both legacy evolution and future-ready architectures.
We Believe in Inclusion for All
We celebrate diversity in background and experience. If you’re passionate about this role and your journey doesn’t tick every box, apply anyway! Our recruitment team will help connect your skills to the right opportunity.
Our Commitment to You
Career Growth
- Competitive compensation, bonuses, and a benefits package you can customise for your needs.
- 28 days paid leave plus public holidays.
- Paid time for charity work.
- Professional development through top-tier learning tools and mentorship.
Flexibility
- Parent Leave policy.
- Personalised benefits for family and personal well-being (e.g., discounts, vouchers, pension plan).
Next Steps
You’ll undergo background checks to meet regulatory standards. To request reasonable adjustments for interviews (e.g., assistive tools, extended time), reach out directly to:
Investing in authentic you is what drives us forward. Let’s build the future together.
#VodafoneThree | #BuildingAConnectedNation | #InclusionForAll
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