Specialist Solution Architect (Voice & Messaging) (New Bailey, Manchester, United Kingdom)

Security Clearance (SC) is required for this role—either currently held or with SC eligibility confirmed prior to the start date.

Hybrid 3 days a week together out of our Manchester, Bristol or Leeds offices (flexible 2 days remote wherever).

Why this job matters

At BT, our Solution Architects play a vital role in shaping the future of secure, connected communications. This role is central to delivering infrastructure designs that power voice and messaging services—ensuring our customers benefit from seamless, modern experiences.

As a Solution Architect Specialist , you’ll independently lead the design and delivery of technical solutions that are fit for purpose and aligned with business needs. You’ll translate customer requirements into scalable, secure architectures and guide them through BT’s governance and security sign-off processes.

This is a role for someone who thrives on both technical depth and strategic thinking—delivering solutions that make a real difference to customers and the wider industry.

What you’ll be doing

As a Solution Architect Specialist , you’ll play a key role in designing and delivering secure, scalable infrastructure solutions that support BT’s voice and messaging services. You’ll work across teams to ensure our solutions are technically sound, repeatable, and aligned with customer needs.

Your responsibilities will include:

• Designing infrastructure for voice communication services (VoIP) and messaging platforms (e.g. SMS, with a view to evolving toward WhatsApp-style messaging)
• Supporting future expansion into video calling capabilities
• Contributing to federated login systems for government clients—enhancing security and reducing the need to store user credentials
• Leading the delivery of robust, repeatable technical solutions that meet customer requirements and drive positive outcomes
• Partnering with business and operational stakeholders to conduct technical discovery and align solutions with strategic goals
• Producing clear, actionable recommendations, proposals, and scopes of work—identifying critical dependencies and risks
• Creating innovative solution architectures that address complex challenges and meet agreed requirements

The skills you'll need

We’re looking for someone who combines strong technical expertise with a collaborative, customer-focused mindset. Ideally, you’ll bring experience in:

• Designing and delivering solution architectures that meet both functional and non-functional requirements
• Presenting solution options to customers and guiding them through governance and security processes
• Infrastructure design for voice and messaging systems, including VoIP and SMS
• Applying cybersecurity principles to solution design
• Working directly with customers, particularly on large or complex accounts
• Navigating regulatory frameworks such as NIST CSF, ISO 27002, and CIS Controls
• Developing scalable, compliant solutions across cloud platforms
• Integrating systems using APIs and web services
• Gathering requirements and translating them into technical outcomes
• Aligning solutions with product roadmaps and strategic objectives

It would be great if you also have:

• Experience working with public sector or business clients
• A background in consumer environments, such as identity and access management, where core architectural skills were applied

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.

Benefits

• An annual bonus of up to 10% (company & personal performance dependent)
• BT Pension scheme; minimum 5% employee contribution, BT contribution 10%
• Life Assurance
• Exclusive colleague discounts on our latest and greatest BT broadband packages
• 50% off EE mobile pay monthly or SIM only plans and 50% discount for friends and family on EE SIM only plans
• BT TV, including TNT Sport and the NOW Entertainment membership, and 25% off NOW Sport, Cinema and Kids
• Great support for working parents including pay whilst on maternity, adoptive, and paternity leave
• Option to join the Healthcare Cash Plan or other benefits such as dental insurance, gym memberships etc.
• 25 days annual leave (not including bank holidays), increasing with service
• Volunteering days so you can give back to your local community
• Brand new electric vehicle salary sacrifice arrangement, known as ‘My EV’

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.