Job Description

We operate a hybrid model of 3 days in the office and 2 days working from home, please only apply if you are comfortable with this arrangement.

About the role

As Principal Architect, you’ll take on the most senior technical leadership role supporting one of BT Business’s largest and most complex UK banking customers. You’ll shape enterprise architecture across a critical technology environment, working closely with senior customer stakeholders and BT teams to create a clear multi-year technology strategy and roadmap. This is an opportunity to act as a trusted adviser at CIO level, influencing strategic technology decisions and delivering secure, resilient solutions that support the customer’s evolving business needs.

What you’ll be doing

• Lead the technical relationship with the customer, acting as a trusted adviser to senior stakeholders up to CIO level and contributing to the account leadership team.
• Develop a multi-year technology and solution roadmap with key customer stakeholders, bringing together their strategic priorities, industry developments and BT’s technology portfolio.
• Manage architectural and technical governance, identifying risks and ensuring issues are understood, mitigated and resolved effectively.
• Provide technical leadership across virtual and operational teams, particularly during major incidents or situations where customer service is at risk.
• Partner with commercial and delivery teams to create customer value, support sustainable revenue and EBIT growth, and improve delivery quality and customer experience.

Essential Skills / Experience

• Enterprise architecture leadership: Strong experience developing complex enterprise architectures, technology strategies and roadmaps, with the ability to turn business requirements into practical solutions.
• Senior stakeholder leadership: Excellent communication, influencing and relationship-management skills, including the ability to advise and present complex technology decisions clearly to senior and C-suite stakeholders.
• Technical and commercial judgement: Broad technology knowledge combined with experience of solution delivery, architectural governance and risk management, enabling you to balance customer, technical and commercial priorities.

Desirable Skills / Experience

• Enterprise networking, including WAN, LAN, Wi-Fi, SD-WAN, segmentation and software-defined networking.
• Cyber security technologies and approaches such as Zero Trust, IAM, IDS/IPS, SASE, firewalls and secure access.
• Proxy and network security technologies from providers such as Palo Alto, Broadcom/Blue Coat, Ivanti or Cisco.
• Collaboration, voice and contact centre solutions, including Microsoft Teams, Cisco, Avaya or Genesys.
• Public and private cloud platforms such as Azure, AWS or Google Cloud.
• Infrastructure as Code and network tooling, including Terraform or NetBrain.
• Architecture and service methodologies such as TOGAF, MBSE, ITIL or DevOps.
• Experience within policing, government, critical national infrastructure or another highly regulated environment.

Our Package

Tailored benefits make a real difference. That’s why we offer a comprehensive range to support your growth, wellbeing, and everyday life.

You can design the package to suit you and your lifestyle. Your core benefits include:

• 15% on target annual bonus
• Car Allowance
• 25 days Holiday
• Private Health Care
• Market-leading paid carers leave with up to 2 weeks off
• Equalized maternity, paternity, and adoption leave – 18 weeks’ full pay and 8 weeks’ half pay
• Discounted EE and BT products, including mobile and broadband
• Market leading Pension scheme – 5% from you and 10% from us
• Holiday purchase scheme

You can select additional benefits, including healthcare, dental, gym memberships and more when you’re ready.

Ready to connect for good and help shape the future? Apply now.

Join us at a pivotal moment for BT Business. We are executing a multi-year transformation to restore growth, modernise at scale and unlock new markets beyond connectivity. Our ambition is clear – return to sustainable revenue and EBITDA growth, strengthen our market position, and deliver meaningful shareholder value through disciplined execution and bold reinvention.

We are fundamentally reshaping the business – simplifying our portfolio, digitising our customer experience and building market-leading capability across cyber, AI and managed services, all powered by the UK’s leading fixed and mobile networks. This is a shift from a legacy connectivity provider to a modern, solutions-led, AI-first business that can truly differentiate in a competitive and fast-moving market.

With execution momentum building and a clear path to growth, the opportunity now is to scale what works, accelerate performance and fully realise our potential. This is about delivering against ambitious financial outcomes while transforming how we operate – creating a business that is simpler, faster, more innovative and easier to do business with.

If you want to be part of the team shaping the turnaround of a multi-billion-pound business – and building a stronger, more competitive BT for the future – this is your moment.