Network Security Assurance Specialist - London

  • London, UK
  • Full-time

Company Description

Fascinated by the future and captivated by technology?

Smart, driven and want to make a difference in the world?

You’ll fit right in.

Join a diverse team at Visa, where your individuality fits right in. We can provide the opportunity to shape the payments experience globally. Together, let’s transform the way the world pays.


Think you know us?

Our mission is to connect the world through the most innovative, reliable and secure digital payment network that enables individuals, businesses and economies to thrive.

Individuality fuels our brand and our global team – we’re proud that we are a talented team of 15,000 individuals with unique backgrounds, perspectives and experiences. Therefore, we understand that you are much more than your day job. We encourage quality of life outside of the office, whether it’s taking advantage of agile work schedules or our wellness programs, Visa respects and encourages meaningful work/life balance for everyone. In addition, we offer market leading salary and have a fantastic benefits offering.

So, if you’re not satisfied with the status quo, we can satisfy your desire to explore new territory, giving you the runway to really make an impact, whilst connecting you with teams around the world in a truly inclusive culture that celebrates our uniqueness.

Job Description

What’s it all about? 

Cybersecurity is at the beating heart of our business. Our diligence and expertise is what makes us the undisputed leader in electronic payments. We've made it our priority to create a top-tier Engineering team dedicated to Cybersecurity. We are the 'engine room', where the opportunities to work with cutting edge technologies and increase the effectiveness of Cyber detection and prevention are as wide as your imagination.

We're looking for those of you who are inherently driven and fascinated by the art and science of cybersecurity. We'll equip you with the very best tools and tech so that you can deliver top notch results.

Continuous self-development underpins job fulfilment at Visa. As a Network Security Assurance Engineer you'll be enthused by getting stuck into various defence and security sector related projects, as well as the chance to work with top notch professionals to learn with and from


What we expect of you, day to day.

  • To support the global firewall rule review and approval process and to continually assure security effectiveness across the global network infrastructure

  • To support the existing, and contribute to development of new, technologies that ensure the attack surface of the organisation is pro-actively protected. To act as a primary point of contact for firewall compliance technologies, to support other Cybersecurity teams, and to drive effectiveness and continual improvements of security technologies

  • The ability to support and contribute across other security technologies to complement the Cyber Engineering function

  • To act as a specialist champion to further the direction and strategy; to work closely with all security stakeholders to continuously improve the Cybersecurity services provided


What we’re after…

  • You will need demonstrable experience and knowledge of firewall rule management

  • You will need to be passionate about learning technologies and understanding the strengths and weaknesses of each

  • You will need to be driven by understanding the emerging threat landscape and how to translate threats into protection

  • You’ll need to understand how further capability can be leveraged from existing tools and identifying opportunities for integration with other toolsets to increase the layers of defence.

  • Significant and demonstrable network knowledge/experience

  • Demonstrable experience of Security Threat Feeds and security implementation

  • Experience in one or more of the following areas:
    • Distributed systems/cloud computing security

    • Protocols and network security

    • Cryptography

    • Data and application security

    • User and data privacy

    • Security assurance

    • Scripting / programming and working with API’s


Think you have what it takes?

If you are interested in a career that will challenge and inspire you – we’d love to hear from you!

Additional Information

Diversity & Inclusion

Universal acceptance for everyone, everywhere, is not only our brand promise, it’s the foundation of our company culture. We foster a feeling of connectedness in the workplace, support diversity of thought, culture and background, fight for important initiatives like Equal Pay and actively work to eliminate unconscious biases that hold us all back.

By leveraging the diverse backgrounds and perspectives of our worldwide teams, Visa is a better place to work and a better business partner to our clients.

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