Senior Offensive Security Engineer

Company: Experian Group

Location: Nottingham

Posted: April 17th, 2026

Experian's Offensive Security team charges itself with improving the organisation's security posture through clarifying risk and verifying the efficacy of our technical, people, physical and process controls from an attacker perspective. The team perform regular Adversary Simulation (Red Team) testing and a range of Ad-Hoc and Tactical Assessments based on changes to the threat landscape and organisational needs.

To succeed in this role, you have breadth and depth of knowledge in security. This knowledge will include operating systems, networking and protocols, firewalls, databases, and middleware applications. Additionally, you will have expertise in forensics, scripting and programming, vulnerabilities, and the usage of GenAI / social engineering techniques.

This is a fully remote, UK-based position reporting to the Head of Offensive Security.

Responsibilities

About Experian

Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create marketing solutions, and gain deeper insights into the automotive market, all using our unique combination of data, analytics and software. We also assist millions of people to realize their financial goals and help them save time and money.

We invest in people and new advanced technologies to unlock the power of data. As a FTSE 100 Index company listed on the London Stock Exchange (EXPN), we have a team of 22,500 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at experianplc.com.

Experience and Skills

What your core background is

Specialist skills

Benefits package includes

Experian is proud to be an Equal Opportunity and affirmative action employer. Innovation is an important part of Experian's DNA and practices, and our diverse workforce drives our success. Everyone can succeed at Experian and bring their whole self to work, irrespective of their gender, ethnicity, religion, colour, sexuality, physical ability or age. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.

Experian Careers - Creating a better tomorrow together

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