Summary

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Location

London, Reading

Job Type

Full Time

Posted Date

04-Aug-2026

This role sits within Technology & Platforms which is responsible for defining and maintaining the strategy and roadmap for all core technology platforms. This includes platform vision, prioritisation, and planning; financial management and investment; platform architecture design and assurance; and the definition and implementation of platform architecture standards. The function ensures platforms are robust, scalable, cost-effective, and aligned with the overall business strategy, adapting to evolving needs and driving innovation.

Technology & Platforms is split into Digital Workplace, BSS & Fixed B2B2C Wholesale, Core Engineering, Platform Engineering and Platform Innovation.

This role sits with the Core Engineering division. This division is accountable for providing oversight to core engineering platforms & their services, ensuring continual improvement.

Oversees and assures the design, build and maintenance of technology used:

by agents to interact with VMO2 customers and manage sales and service operations, including voice and chat capabilities
for apps, digital identity management (ID) and subscription video on demand (SVOD).
to manage customer communications and consent to process customer personal data.
the design, build and maintenance of microservices architecture, middleware and application programming interface (API) gateways, to allow software applications to communicate to each other.
testing across Tech & Platforms.

The Platform Architect is accountable for the technical architecture of one or more critical IT platforms. They are the technical leadership to support the capabilities and design of the platform.

For their platforms they define the technical architecture patterns, anti-patterns, capability roadmaps & sequence in alignment with the platform owner(s) and ESA / Enterprise Architecture Strategy.

The role must govern the acceptance of these capabilities through a new design authority that allows the platform architect (and owners) to make an active choice on capabilities being proposed (ahead of implementation, during the implementation and release) to ensure alignment with platform architecture.

Who we are

Who we areAt Virgin Media O₂, we connect people to the moments that matter most. Virgin Media leads the UK for broadband reliability, speed and overall performance, while O₂ keeps people connected on the move with award-winning coverage. We’re also proud to be named one of the Financial Times Top 500 Best Employers for 2026, based on one of the UK’s largest employee satisfaction surveys.

Join us and you’ll be part of a team that stays curious, positive and focused on making life easier for our customers and each other. We’re investing in the future of connectivity, from expanding next-generation 5G to exploring satellite-supported solutions that help reach rural communities and hard-to-connect places.You’ll work with people who back good ideas and give you plenty of room to grow. So if you’re looking for a place where you can feel supported, trusted and genuinely valued, you’ll feel right at home here.

We’re a flexible-first organisation, because we know people do their best work when they have choice and clarity. To support meaningful collaboration, we ask everyone to spend at least eight days a month connecting with each other in person.That doesn’t just mean time in the office – it could be team meetings, offsites, volunteering days, cross-functional projects, or away days. What matters is making those moments count – so when we come together, it benefits everyone.Accessible, inclusive and equitable for allWe believe a better tomorrow starts with the choices we make today. That means moving the dial on diversity, building equity into everything we do and putting inclusion at the heart of our business.

Virgin Media O₂ is an equal opportunities employer and we work hard to remove bias and barriers. We want every person who joins us – and everyone thinking about joining us – to feel seen, heard and supported.When you work with us, you’ll have access to our award-winning employee network groups. These communities bring people together, champion allyship and create uplifting spaces where you can learn, share and feel part of something bigger. They play a big role in helping people feel connected from day one.

The must haves

• Deep expertise in platform architecture and enterprise-scale system design
• Proven experience governing architecture through formal design authorities
• Strong technical background with the ability to assure designs, builds and sizing estimates
• Experience architecting for run services, including resilience, platform health and lifecycle management
• Demonstrable experience managing technical escalations and resolving complex blockers

The other stuff we are looking for

• Experience across multiple platforms within a core engineering or customer-facing domain
• Strong understanding of non-functional requirements and how to design for them
• Experience working closely with vendors and third-party partners
• Proven collaboration with cross-functional technical and business stakeholders
• Openness to using AI, LLMs or automation to improve architectural ways of working

What's in it for you

We know life isn’t just about work, so our benefits are built to support you in the moments that matter. You’ll get Bupa healthcare, wellbeing support, life cover, a pension and generous holiday –plus your birthday off.

And there’s more. Enjoy some extra perks on us, with optional electric vehicle lease and Cycle2Work schemes, dental insurance, neurodiversity assessments, and brilliant discounts on broadband, TV and mobile. You’ll even get access to the Virgin Family platform and the O₂ Priority app, with exclusive rewards, experiences and chances to attend events at The O₂ and beyond.

Next steps

If this feels like a place where you can belong, we’d love to see what you can do. Once you apply, the next steps might include a call with a recruiter, a video interview, an interview with the hiring manager and a task or assessment.

We’ll also ask about any adjustments you might need, and we’ll do our best to make them happen.

We review applications and interview throughout the advert window, so it’s worth applying sooner rather than later. If you’re offered the role, the offer will be subject to background checks, including a criminal record check and, for some roles, a financial background check.

LI-SB1

Platform Architect - Identity, Mobile Apps and SVOD

Key skills

About this role

Summary