Recruiter: Luke Byrne
Career Grade: D
Internal Closing Date: 25th May 2026
Locations: Birmingham or London
About the role
The role is a senior designer within the DNS team which is responsible for the design of networks supporting both our broadband services and mobile services. This role is the overall design authority for DNS solutions across BT’s, EE’s and Plusnet’s broadband and mobile services.
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 DNS 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
* Designs, tests and deploys DNS solutions
* 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 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.
* Operates as a technical expert within multiple squads and tribes, acting as a design authority whilst supporting squads and enabling increased pace in delivery.
* Develops design patterns across DNS and associated domains
Essential Skills / Experience
* Proven ability to develop complex solution designs, creating innovative solutions to new problems, including the introduction of leading 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.
* 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.
* Technical leadership.
* Aligned project plans and objectives with BT strategy and values.
* Made decisions in ambiguous situations using incomplete information or differing opinions.
* Been a spokesperson for others on issues of integrity.
* To suit the needs of a customer, colleague or client; move 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 recognized 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 solution architecture.
Desirable Skills / Experience
* Software experience (Python, Ansible, Git, Podman/Docker, VMs, CICD pipelines).
* Networking fundamentals (BGP, Vlans, IP addressing).
* We use these technologies: Java, Python, UNIX Shell scripting, Maven, Docker, Git, Jenkins, Ansible, HashiCorp orchestration products, Grafana, Kafka, Redis, Atlassian suite, Kubernetes, OpenStack.
* Roadmap, architecture or budget setting experience.
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.
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