VodafoneThree - Senior Solution Architect, CIAM

Location: London OR Newbury + Hybrid
Salary: Excellent basic salary plus bonus and Vodafone benefits
Working Hours: Full time 37.5 hours per week – Monday to Friday



Hybrid

We believe that through collaboration and connection with our colleagues we can achieve great things. Our hybrid working approach allows our people to work both in the office and at home, providing the flexibility and resources you need to succeed in your role. We don't require you to be in on specific days; instead, we ask people to come into the office 2-3 days each week, for at least 8 days per month. You should work with your line manager to understand what their expectations are for you, your specific role and your team.
  

Who We Are

We’re here to build a network the UK can count on – one that connects people, places and potential. Because no matter where you live, what your background is, or how you get online – we think everyone deserves the same chance to stay connected, and with VodafoneThree, that future’s being built – today.

We’re creating more than the UK’s best network. We’re helping close the digital divide, empower communities and drive meaningful progress.

We believe that everyone should feel they belong. Whoever you are and whatever your story, there’s space for you here. We’re building a workplace where different perspectives are welcomed, voices are heard, and everyone feels safe to show up as themselves.

You’ll join a team that genuinely cares – about each other, about our customers, and about the future we’re building. From day one, you’ll be welcomed, valued and encouraged to bring your whole self to work.



Why VodafoneThree

Join us and you’ll be at the heart of change. That means building responsibly, investing sustainably and creating opportunities that last.

We’re not just expanding connectivity; we’re reimagining what a connected nation looks like. With £11bn invested in 5G and digital infrastructure, your work will directly power businesses, services, and communities across the country.

You’ll work on real challenges, with real impact, across every corner of the country. Wherever you join us, whatever your role, you’ll be helping to build a future that works better for everyone.

We move at pace, because what we’re building matters – and we’re learning as we go. We’re proud of the progress we’ve made, but we’re just getting started.

Join our Digital teams where we harness the power of digital and embody the spirit of innovation to deliver the best solutions for our customers.
  

What you’ll do

You’ll step into a lead architect role at the heart of Vodafone UK’s digital ecosystem, shaping how millions of Consumer and Enterprise customers securely access and manage their services. Working across web, app, chatbot, and telephony channels, you’ll help create seamless, trusted login experiences while influencing the future of customer identity and authentication.

• Lead and influence the authentication product roadmap, using your end-to-end Identity and Access Management (IDAM) expertise to guide long-term architectural direction
• Shape the architectural runway to support new and evolving capabilities such as passwordless and biometric login (FIDO2), adaptive and risk-based authentication, and social sign-ins
• Evaluate and adopt modern authentication protocols and open standards to meet clear business and customer outcomes
• Partner closely with Product Owners, Technical Product Owners, UX, Engineering Managers, and senior developers to define functional and non-functional requirements and design robust end-to-end solutions
• Own impact assessments and solution blueprints, including providing VROM and ROM estimates for new business demands
• Champion incremental delivery, supporting phased planning and helping teams ship customer value early and often
• Ensure solutions align with AWS/Azure Well-Architected Framework principles, with a strong focus on security, resilience, scalability, maintainability, and cost efficiency
• Protect the integrity and reusability of authentication solutions throughout their lifecycle, keeping designs as simple and elegant as possible

Who you are

• Deep expertise in federated identity management and security concepts, and strong working knowledge of standards such as OpenID Connect, OAuth2, SAML, and related RFCs
• Proven experience designing and delivering enterprise-scale identity solutions for B2C or B2B platforms
• Strong background designing cloud-based services using microservices and micro-frontend architectures
• Hands-on experience defining and designing RESTful APIs to industry standards
• A solid understanding of AWS or equivalent Well-Architected Framework pillars, especially security, scalability, performance, maintainability, and cost management
• Ability to communicate solution designs clearly using standard modeling approaches such as UML or C4
• Confident communicator who can explain complex technical concepts clearly to both technical and non-technical stakeholders
• Practical experience working within Agile delivery methodologies such as Scrum, Kanban, or Lean
• Experience integrating enterprise-grade SaaS-based IDAM platforms

Worried that you don’t meet all the desired criteria exactly?
We know that everyone is unique, with multiple aspects to their identity and different experiences behind them. We are passionate about Inclusion for All and creating a workplace where everyone can thrive, whatever their personal or professional background. If you’re excited about this role but your experience doesn’t align exactly with every part of the job description, we encourage you to apply as you may be the right candidate for this role or another role, and our recruitment team can help you see how your skills fit in.
  

What we offer

We care about our people’s success by offering great pay, bonuses, up to 28 days off plus bank holidays, and paid time for charity work. You can personalise our benefits for you and your family, like discounts, vouchers, a pension plan and loads more. We help with your career through our amazing learning tools and top-notch parental leave policies.



Need to Know

We are regulated by the Financial Conduct Authority and all offers of employment for this role are subject to background checks, including criminal (DBS) and financial checks to meet the regulators standards.

If you require any reasonable adjustments or have an accessibility request as part of your recruitment journey, for example, extended time or breaks in between online assessments, a sign language interpreter, or assistive technology, please refer to the Accessibility section of our Careers website (https://careers.vodafone.com/uk/reasonable-adjustments/) for guidance.

We use AI in different parts of our business to boost innovation, improve efficiency, and create new opportunities. We know many candidates use AI to fine-tune their CVs or prepare for interviews, but what we really care about is your unique experiences and achievements.

During the interview, we want you to rely on your own knowledge and skills to show us who you really are—your personality, creativity, and abilities. Above all, we’re looking for authenticity and can’t wait to get to know the real you.
  

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