Solution Design & Architecture

Why This Job Matters

To actively contribute and drive implementation of the target Solution architecture for a specific domain for a portfolio/transformation program 

What You’Ll Be Doing

•  The role bridges API-driven requirements with solution execution across Digital, OSS, and Network layers—ensuring full traceability from product model to delivery, with proven experience creating E2E architectures with business and product stakeholders.
•  Creates, owns and implements the technical solutions and inputs into the roadmaps for the respective domain 
•  Liaises with CFU and customer stakeholders, ensuring business needs are met through assurance of the design

The Skills You’Ll Need

• •    Skilled in HLD/LLD documentation, UML, and architecture tooling.
• •    API & Microservices Expertise – Strong ability to interpret REST APIs, schemas, and microservices architecture.
• •    Integration & Cloud-Native Understanding – Familiarity with EDA, API gateways, and SaaS/cloud platforms like AWS.
• •    TMF Standards Knowledge – Deep understanding of TMF SID (Product/Service domains) and TMF Open APIs used across BSS/OSS.
• •    BSS/OSS Proficiency – Awareness of telecom systems such as Product Catalog, CPQ, SOM, EPC, and their interactions.
• •    Telecom Domain Knowledge – Basic knowledge of WAN, overlay, and security products.
• •    Balances functional and non-functional requirements (scalability, resilience, security, cost)

Experience You Would Be Expected To Have

With 8+Yrs

• •  Should have deep knowledge of at least one telecommunications related technology covering either of the following areas: SDWAN/LAN/Voice/Compute 
• •  Should have prior hands-on experience on designing end-to-end solutions in the Telecommunications service domain  
• • Should have good knowledge of eTOM or ITIL or similar standards in the telecoms space 
• • Showcased expertise on a project or a specific piece of work or led a project outside of the core areas of your expertise  
• •  Made decisions in ambiguous situations using incomplete information or differing opinions (e.g. unclear deliverables)  
• •  Volunteered for extra responsibility such as project team involvement/leadership 

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.

About Us

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 transformation of our business. 
 
Over the next two years, we will complete the UK’s largest and most successful digital infrastructure project – connecting more than 25 million premises to full fibre broadband.  Together with our heavy investment in 5G, we play a central role in revolutionising how people connect with each other. 
 
While we are through the most capital-intensive phase of our fibre investment, meaning we can reward our shareholders for their commitment and patience, we are absolutely focused on how we organise ourselves in the best way to serve our customers in the years to come.  This includes radical simplification of systems, structures, and processes on a huge scale. Together with our application of AI and technology, we are on a path to creating the UK’s best telco, reimagining the customer experience and relationship with one of this country’s biggest infrastructure companies.  
 
Change on the scale we will all experience in the coming years is unprecedented.  BT Group is committed to being the driving force behind improving connectivity for millions and there has never been a more exciting time to join a company and leadership team with the skills, experience, creativity, and passion to take this company into a new era.

A Few Points To Note:

Although these roles are listed as full-time, if you’re a job share partnership, work reduced hours, or any other way of working flexibly, please still get in touch.

We will also offer reasonable adjustments for the selection process if required, so please do not hesitate to inform us.

Don'T Meet Every Single Requirement?

Studies have shown that women and people who are disabled, LGBTQ+, neurodiverse or from ethnic minority backgrounds are less likely to apply for jobs unless they meet every single qualification and criteria. We're committed to building a diverse, inclusive, and authentic workplace where everyone can be their best, so if you're excited about this role but your past experience doesn't align perfectly with every requirement on the Job Description, please apply anyway - you may just be the right candidate for this or other roles in our wider team.