Network Design Specialist, Mobile IP

Location: Greater London

Location:

One Braham (4140), London, United Kingdom Salary:
Competitive with excellent benefits
** Recruiter:
Trevor Newman
**** Career Grade: D
**** Internal Closing Date: 4/03/2026
***
* Location:

Bristol or London**##
** Why this job matters
** Our internal Networks unit is responsible for designing, building and running the networks and technology platforms that BT, and our customers, rely on. Across our fibre, mobile, Wi-Fi and core networks, BT is a connectivity powerhouse, leading the world in the adoption of converged, automated, programmable network technologies. Bringing together network strategy, transformation, and the modernisation of our mobile and fixed network assets - along with direct partnering with Enterprise, Global and Consumer on leading edge, converged services and experiences – our Networks division designs, builds and runs the technology platforms that BT, and our customers, rely upon every day.##

** What you’ll be doing
*** Define and agree IP network designs for the mobile core, in line with architecture and with operational and security requirements.
* Produce high quality design documentation;
High Level and Low Level Designs.
* Liaise with vendors and suppliers to ensure delivery of solutions and alignment of roadmaps..
* Propose improvements to processes and technologies used.
* Provide technical consultancy at a platform and/or overall solution level to other teams and business units – this could be to any stakeholder within the business.
* Define test requirements and test strategy for new designs.
* Maintains standards for Mobile Core IP network infrastructure.
* Drives the implementation of core and cloud infrastructure security to manage risks and exposure.
* Undertakes routine daily activities and is accountable for system design, build, testing, validation, maintenance, and ongoing support of all network infrastructure components.
* Undertakes the implementation of new and enhanced network technology that aligns to customers’ strategic direction for enterprise and remote site connectivity.
* Manages the installation, testing, and setup of new network hardware both physical and virtual (firewalls, routers, switching, monitoring) hardware and software.
* Participates in technology lifecycle planning, including contributing to the development of the technology roadmaps and Network Health Assessments.
* Drives the implementation of core and cloud infrastructure security to manage risks and exposure.
* Provides support for problem escalations from the global network support organisation.##
** The skills you'll need
*** IP networking experience in a service provider environment
* Network Implementation, Network Delivery
* Mobile Core Network knowledge
* Ability to build business relationships, negotiating what works for both parties, in a collaborative approach.
* Vendor Management
* Network Security
* Network Configuration
* Troubleshooting* Network Integration
* Network Design
* Issue Resolution
* Network Testing
* Incident Management
* Escalation Management
* Technical Documentation
* IP networking experience in a service provider environment (desirable)##
** Our leadership standards
**** Looking in:*
* ** Leading inclusively and Safely
** I inspire and build trust through self-awareness, honesty and integrity.  
** Owning outcomes
** I take the right decisions that benefit the broader organisation.
** Looking out:*
* ** Delivering for the customer
** I execute brilliantly on clear priorities that add value to our customers and the wider business.  
** Commercially savvy
** I demonstrate strong commercial focus, bringing an external perspective to decision-making.
** Looking to the future:*
* ** Growth mindset
** I experiment and identify opportunities for growth for both myself and the organisation.  
** Building for the future
** I build diverse future-ready teams where all individuals can be at their best.

BT Group was the world’s first telco and our heritage in the sector is unrivalled.  As home to several of the UK’s most recognised and cherished brands – BT, EE, Openreach and Plusnet, we have always played a critical role in creating the future, and we have reached an inflection point in the…