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CDN Design Specialist
CDN Design Specialist
Req ID: 58570
Job Function: Engineering
Posting Start Date: 03/07/2026
Posting End Date: 20/07/2026
Division: Networks
Job Location: GBR Bristol - Assembly, GBR Ipswich - Adastral Hub, GBR-Birmingham-Three Snowhill
Advertised Salary: Competitive with great benefits
Recruiter: Luke Byrne
Career Grade: D
Internal Closing Date: 20th July 2026
About The Role
The role is a senior designer within the IP Networks team which is responsible for the design of networks supporting both our broadband services and specialist services for media and broadcast companies, as well as supporting BT’s Consumer TV services. This role is the overall design authority for CDN solutions across BT’s, EE’s and Plusnet’s broadband and mobile services and the distribution of content across all ISPs. The role holder is responsible for complex design and working with wider BT teams to create new products and services, maintain and improve customer experience, simplify and consolidate our CDN functions and deliver strategic transformation using cloud technologies and agile methodologies.
You will also be expected to share your expertise and learning with other teams, offering consultancy to spread transformational “wins” within your team to other teams in the organization.
What You’ll Be Doing
- Delivers resolutions to problems that tend to be complex, cross-domain or of high impact to customers.
- Identifies opportunities to improve standards of practice within a project, continuously enhancing ways of working.
- Provides sound technical expertise to consult on significant component(s) of a technical solution within a specific domain or cross domain.
- Provides technical quality assurance over work of other engineers through matrix team structure.
- Creates and implements technical solutions for a domain or cross domains / portfolios of work within a specific technology area autonomously, understanding how solutions impact systems internally and/or externally and assessing impact of change.
- Designs, tests and deploys CDN solutions for BT’s own TV and third party content, including software development and additional innovative capabilities.
- Operate as a technical expert within multiple squads and tribes, acting as a design authority whilst, supporting squads and enabling increase pace in delivery.
- Develops design patterns across CDN and associated domains.
Essential Skills / Experience
- Systems thinking - You provide technical expertise to evaluate the impacts and links between structure, people, process and technology. You think through the whole systems context, new perspectives and insight before taking on projects.
- Technology design - You partner with the business to understand and analyze user requirements and inform the architecture design for software, systems and networks.
- Technology excellence - You build and apply insight into emerging technology to develop and deliver new digital solutions. You break complex information down into understandable language.
- Be agile - You identify opportunities to use collaborative approaches and continuous improvement. You contribute to projects as a subject matter expert or content owner.
- Proven the ability to develop complex solution designs, creating innovative solutions to new problems, including the introduction of cutting-edge technologies for the first time and spanning multiple domains in a critical service provider environment.
- Expertise across a range of disciplines including software development, IP networking, cloud/server infrastructure, broadband, mobile and TV distribution technologies. Able to develop both end-to-end solution designs and detailed designs for specific CDN/edge compute capabilities.
- Knowledge and experience of on-premise and public cloud deployments.
- Commercial acumen including appreciation of capital and operational budgets and ability to develop effective business cases.
- Strong communication skills and proven ability to influence others across the business to agree Solutions which deliver excellent customer experience and margin for BT.
- Taught your team how to do their roles more effectively.
- Aligned project plans and objectives with BT strategy and values.
- Made decisions in ambiguous situations using incomplete information or differing opinions (e.g. divided team loyalties or unclear deliverables).
- Been a spokesperson for others on issues of integrity.
- To suit the needs of a customer, colleague or client; moved outside of expected process or practice.
- Actively participated in strategy setting sessions.
- Showcased expertise on a project or a specific piece of work or led a project outside of the core areas of your expertise.
- Collaborated on a new project with a recognised expert.
- Experience of leading design communities in complex carrier/service provider/web scale networks.
- Experience of agile ways of working, for example as a squad member, scrum master or product owner.
- Experience of supporting RFPs, Vendor Selection and business case development.
- Experience of project management and/or solution architecture.
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Desirable Skills / Experience
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Desirable Skills
- Knowledge of TCP/IP protocol stack, including RADIUS and SNMP.
- Software experience (Python, Ansible, Git, Podman/Docker, VMs, CICD pipelines).
- Networking fundamentals (BGP, Vlans, IP addressing).
- Presentation of ideas to external audience.
We use these technologies: Java, Python, UNIX Shell scripting, Maven, Docker, Git, Jenkins, Ansible, HashiCorp orchestration products, Grafana, Kafka, Redis, Atlassian suite, Kubernetes, OpenStack.
Our Package
- 10% on target bonus.
- BT Pension scheme, minimum 5% Employee contribution, BT contribution 10%.
- From January 2025, equal family leave: receive 18 weeks at full pay, 8 weeks at half pay and 26 weeks at the statutory rate. It’s for all parents, no matter how your family is made up.
- Enhanced women’s health support: including help with menopause symptoms, cancer screenings, period care and more.
- 25 days annual leave (not including bank holidays), increasing with service.
- 24/7 private virtual GP appointments for UK colleagues.
- 2 weeks carer’s leave.
- World-class training and development opportunities.
- Option to join BT Shares Saving schemes.
About BT Group
BT Group is the UK’s leading communications group and the holding company behind some of the country’s most recognised brands – including BT, EE, Openreach and Plusnet. Our purpose is as simple as it is ambitious: we connect for good. Our customers include consumers, small, medium and large businesses, public sector organisations and other communications providers.
BT Group’s role is about setting direction, unlocking value and creating the conditions for our brands and businesses to thrive.
Having come through the most capital-intensive phase of our fibre investment, our focus now is on what comes next – simplifying how we operate, using technology and AI to work smarter, and organising ourselves to serve customers better and grow sustainably. Group teams shape strategy, policy, brand, capital allocation and transformation, helping the whole organisation perform at its best.
We have a singular culture that unites all our people: we are customer-first challengers, who are committed, clear and connected. These behaviours unite us as one team to deliver for our colleagues, our customers, our stakeholders and the country. Joining BT Group means working at the heart of a business that matters to the UK, with the opportunity to shape decisions, influence outcomes and help set the future course of one of the country’s most important companies.
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