Core Deployment & 5G Slice Integration Engineer

Core Deployment & 5G Slice Integration Engineer

Salary: £70,000 - £80,000 plus benefits, perks, and healthcare options!

Job Type: Permanent - Onsite

Requirements: Valid UK driving license | Right to work in the UK (visa sponsorship is not available)

Overview:

We’re looking for an experienced Core Deployment & 5G Slice Integration Engineer to join a growing telecom technology team, supporting the deployment, integration, configuration and troubleshooting of multi-vendor mobile core networks, Private 5G Core platforms and enterprise connectivity solutions.

This is a hands-on role for someone with strong experience across 4G EPC, 5G Core, network slicing, subscriber management and end-to-end core integration.

Key Responsibilities:

• Deploy and integrate mobile core network solutions for Private 5G and enterprise networks.
• Install, configure and upgrade core network software components.
• Configure core network services and management platforms.
• Manage subscriber provisioning, SIM management, APN/DNN configuration and service profiles.
• Support 5G network slicing configuration and validation.
• Integrate core networks with RAN, IP Transport networks and enterprise applications.
• Execute end-to-end connectivity, ATP and acceptance testing.
• Perform alarm validation, fault troubleshooting and root cause analysis.
• Support software upgrades, licensing activities and backup/restore procedures.
• Produce deployment documentation and technical reports.
• Support technical workshops and solution discussions.
• Translate customer requirements into effective technical solutions.
• Provide technical input into solution design, deployment planning and acceptance criteria.
• Work closely with customers, partners and internal technical teams.

What We’re Looking For:

• Hands-on experience with: 4G EPC, 5G Core, Private 5G Core, Mobile Network Architecture and Network Slicing
• Experience with major Core Network vendors: Ericsson, Nokia, Samsung, Huawei or equivalent platforms.
• Strong knowledge on: AMF, SMF, UPF, UDM, AUSF, PCF and Subscriber Management.
• Experience integrating Core with RAN and IP Transport networks.
• Good understanding of IP networking, VLANs, routing, VPNs and firewall connectivity.
• Strong troubleshooting and root cause analysis skills.
• Confident working directly with customers, partners and technical teams.
• Excellent communication and technical documentation skills.

What’s On Offer:

• Competitive salary with flexibility depending on skills and experience
• Pension contribution
• Lunch provided
• Health and business travel insurance
• Free onsite parking
• Supportive working environment where your ideas and expertise are valued
• Opportunity to work on cutting-edge 5G, Private Network and telecom technologies

Must Haves:

• Must have the right to work in the UK, as visa sponsorship is not available.
• Able to work full-time on site in Egham and commute to the location
• 5+ years' experience in Mobile Core Network Engineering.

If you’re an experienced Mobile Core Engineer looking for a hands-on opportunity working across 5G Core, Private 5G, network slicing and multi-vendor integration, we’d love to hear from you.

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