At a Glance
- Tasks: Deploy and integrate cutting-edge 5G mobile core network solutions.
- Company: Join a growing telecom technology team in Egham.
- Benefits: Competitive salary, pension contributions, free lunch, and health insurance.
- Other info: Supportive environment where your ideas are valued and career growth is encouraged.
- Why this job: Work hands-on with innovative 5G technologies and make a real impact.
- Qualifications: 5+ years in Mobile Core Network Engineering and strong troubleshooting skills.
The predicted salary is between 67500 - 82500 £ per year.
Salary: £70,000 - £80,000 plus benefits, perks, and healthcare options!
Location: Egham
Job Type: Permanent - Onsite 5 days per week in the office
Requirements: Valid UK driving licence | 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. Please send your CV to.
Core Deployment & 5G Slice Integration Engineer in Egham employer: 83zero Ltd
At 83zero Ltd, we pride ourselves on being an exceptional employer that fosters a collaborative and innovative work culture. Our remote-first approach allows for flexibility while still providing opportunities for meaningful engagement through occasional travel to London for key meetings. We are committed to employee growth, offering continuous learning and development opportunities, making us an ideal choice for professionals looking to advance their careers in enterprise transformation.
