Security Architect

Job Description

As a Security Architect at Virgin Media O2, you’ll play a pivotal role in shaping how we protect our people, customers and technology in an increasingly complex digital world. With cyber threats evolving rapidly and our infrastructure spanning cloud, applications, networks and data, this role exists to ensure security is designed in, not bolted on. You’ll bring deep technical expertise and a strong architectural mindset to help us stay resilient, compliant and ready for what’s next.

Working closely with engineering, product, DevSecOps and business stakeholders, you’ll help define and promote a harmonised security architecture across the organisation. From influencing early design decisions to guiding long-term security strategy, you’ll balance risk, innovation and business outcomes. You’ll contribute to standards, patterns and governance, while continuously improving the effectiveness of our security controls and supporting a culture where secure-by-design thinking is part of how we work every day. Who we are At 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.

Our ways of workingWe’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 all. We 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 The must haves In order to be considered, you must have the following experience;

• Significant experience working in IT or cyber security, with strong hands-on exposure to public cloud security
• Skilled at identifying security risks and exposures as well as remedial controls and processes
• In-depth knowledge and understanding of information security risk concepts and principles as a means of relating business needs to security controls
• Detailed understanding of various security standard such as ISO27001, PCI DSS, GDPR, TSA etc and how they affect the business
• Proficient in securing applications with Zero Trust and working with Public Cloud (AWS, Azure, GCP), Docker, Kubernetes, and serverless technologies.
• Hands-on experience with cloud security architecture (IAM, VPC, Cloud KMS, Cloud Armor etc.) and other cloud-native security tools.
• Strong understanding of data security practices, including encryption, access control, and data security controls.
• Strong understanding of cloud networking, databases (Postgres, MySQL, RDS), and infra-as-code tools like Terraform and Ansible/Chef.

The other stuff we are looking for We'd also love you to bring;

• Excellent interpersonal, influencing, administrative and management skills. High integrity and emotional maturity
• Strongly self-motivated and able to present a credible and effective case for risk management and security requirements with tact and tenacity to senior executives
• Strategic orientation with ability to act tactically as required
• Strong negotiator/facilitator and consensus builder with results-oriented commitment
• Ability to interact at all levels of the organisation

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-LM1