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Technical Design Authority

United Kingdom · Job Posted June 09, 2026
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Job Description

Working within UK Technology Services, the Fixed Data Services (FDS) team supports the delivery of Vodafone core IP and data products, alongside remote access, transmission build, Layer 1, 2 and 3 testing, and customer reporting activities. The Fixed WAN Technical Design Authority helps design, implement, and continuously improve low-level designs (LLDs) for Vodafone UK enterprise WAN solutions. This role works closely with customers and with colleagues across architecture, sales engineering, delivery, and operations to develop service designs that meet technical requirements and business needs. The role focuses on delivering secure, scalable, and high-performing WAN services that integrate effectively into existing customer environments.

Job Responsibility

  • Produce detailed low-level design documentation for fixed WAN services, including technologies such as MPLS, IPVPN, SD-WAN, and Dedicated Internet Access (DIA)
  • Design network solutions that integrate with existing WAN environments, aiming to minimise disruption and maximise compatibility for customers
  • Develop supporting design materials, such as network diagrams where needed, configuration templates, and integration workflows, to support service delivery and operational teams
  • Design WAN architectures that meet client needs, focusing on performance, redundancy, security, and scalability
  • Work on routing protocols like BGP, OSPF, and MPLS VPN
  • Design connectivity between customer sites, data centres, and cloud platforms, ensuring optimal traffic flow and redundancy
  • Collaborate with internal stakeholders (network architects, sales teams, and project managers) to align design with business needs
  • Engage with clients to gather technical requirements and provide WAN design consultancy
  • Work with third-party vendors to ensure integration of hardware and software for WAN deployment
  • Maintain comprehensive department documentation on design standards, technical solutions, and best practices
  • Ensure designs align with industry standards and comply with security, privacy, and regulatory requirements
  • Maintain and update technical LLD templates to reflect new technologies and best practices
  • Assist the operations team in the handover of LLDs, providing technical guidance for deployment and troubleshooting
  • Support network performance analysis and recommend optimisations to enhance WAN service delivery
  • Provide technical advice and support during incident resolution and post-incident reviews
  • Keep abreast of emerging networking technologies, particularly in the WAN space (e.g. SD-WAN, cloud networking)

Requirements

  • Degree, HND, relevant certifications, or equivalent practical experience in computer networking, telecommunications engineering, or a related field
  • Relevant Cisco and/or Juniper professional certifications are desirable
  • Equivalent hands-on experience in enterprise WAN design, implementation, and support will also be considered
  • Cisco Certified Internetwork Expert (CCIE) or equivalent advanced technical expertise is advantageous

Nice to have

Cisco Certified Internetwork Expert (CCIE) or equivalent advanced technical expertise is advantageous

What we offer

  • Excellent basic salary plus bonus and Vodafone benefits
  • Great pay, bonuses, up to 28 days off plus bank holidays, and paid time for charity work
  • Discounts, vouchers, a pension plan
  • Amazing learning tools and top-notch parental leave policies

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