Principal Architect, Mobile Backhaul, 5G

Location: Greater London

# Principal Architect, Mobile Backhaul, 5GJob Req  Date: 30 Jan 2026

Function:
Architecture Solution and Design Unit:
Networks

Location:

1 Braham Street, London, United Kingdom Salary:
Competitive with great benefits##
** Why this role matters
** This role sets technical architecture for mobile backhaul and satellite in BT.  It drives the direction of BT/EE’s mobile transport network supporting of over 25m subscribers including the evolution of the network to harness new technologies such as xhaul and Centralised RAN. It is also provides technical leadership for integration of LEO satellite into both fixed and mobile domains.  The role provides wide ranging technical direction setting with extensive access to Networks leadership team as well as strong exposure to network vendors and wider industry.

This role can be based in London, Manchester, Ipswich or Bristol and our hybrid working model means you are expected to be in the office 3 days per week.##
** You'll have the following responsibilities
** You will have extensive technical experience building mobile networks, with particular focus on mobile transport networks and connectivity from cell sites to the network core. Key responsibilities include architecting solutions, building business cases and financial models, and investigating new technologies to drive network improvements. The role requires a technical expert who isn't afraid to operate autonomously, engaging extensively with senior management to present and sell forward-looking network improvements.

You will have a background in either equipment vendor or network provider sectors within the mobile space, with telecoms experience specifically in mobile being important.
• Architect for Mobile Xhaul architecture, including front-haul, mid-haul and back-haul – setting technical direction for connectivity to cell sites.

• Architect for use of Satellite within BT’s networks.  
• Sets technical direction and reviews/ work of development teams to ensure alignment to architecture. Drives design patterns and planning rules to deliver mobile network xhaul.  
• Owns and regularly reviews the mobile xhaul capacity requirements model.  
• Leads technical input to a joint venture providing access services to BT defining strategy/architecture.  Responsible for setting technical direction in a complex domain with multi-party relationships.

• Leads BT analysis of impact of new mobile technology areas to establish technical use cases for driving major future investment in mobile technology and define BT’s roadmap.  
• Sets technical direction for future technology areas related to mobile and satellite – driving research activity within Networks and outside BT.  
• Communicates mobile architecture widely as BT subject matter expert – including briefing to Network CEO/MD level. Communicates widely externally to representing BT to industry. Leads external engagement with industry to maintain BT presence at a number of industry fora.  
• Leads engagement with vendors on key technology areas to define BT requirements and steer capabilities of our vendors##
** You'll have the following skills and experience
**** Skills*
* • Technology expertise: extensive industry expertise in the mobile architecture and IP network domains with knowledge of technology and supplier capabilites.  Recognised as industry expert both within and outside BT.  Industry leading knowledge of mobile technologies and likely evolution of mobile networks.  
• Industry knowledge:
Detailed knowledge of telecommunications industry and strategic developments impacting mobile and xhaul domains  
• Stakeholder management: experienced at aligning views and making recommendations to MD/director level stakeholders in different parts of the business  
• Business acumen: knowledgeble in business strategy and commercial considerations of technology deployment  
• Ability to assess new technologies and recommend impact on BT infrastructure, product and services  
• Ability to analyse complex options, simplify and recommend choices for large scale complex infrastructure  
• Ability to articulate technology and strategic choices clearly for agreement at all levels of…