
The Principal Security Consultant (Online) is a senior, hands-on security specialist supporting the secure design and delivery of online and digital platforms. The role provides expert security assurance, design review, and DevSecOps guidance across web, mobile, API, and cloud-native services hosted primarily on Microsoft Azure.
The role works closely with the Business Information Security Officer (BISO) for the online domain to ensure security risks are identified early, assessed pragmatically, and managed in line with business priorities and enterprise risk appetite.
What you'll do
Who you are
What’s in it for you
Being a part of M&S is exactly that – playing your part to bring the magic of M&S to our customers every day. We’re an inclusive, dynamic, exciting, and ever evolving business built on doing the right thing and bringing exceptional quality, value, service to every customer, whenever, wherever and however they want to shop with us.
Everyone’s welcome
We’re ambitious about the future of retail. We’re innovating, disrupting, and leading the way into a more inspiring, digital era. It’s an exciting time to be part of M&S.
To support us on our journey, we’re building inclusive, diverse teams where everyone can be themselves, do their best work, and make change happen. We support each other and succeed together.
Don’t worry if you don’t meet every single requirement of the job description. It’s more of a guide to what’s possible within the role. If you’re passionate, ready to work hard, and think the role feels right for you, we’d love to hear from you. #hybridrole #LI-OT1 #LI-Hybrid

At M&S, we're dedicated to being the most trusted retailer, prioritising quality and delivering value. Every day, we bring the magic of M&S to our customers, whenever, wherever and however they want to shop with us.
For over a century, we've set the standard, doing the right thing and embracing innovation. Today, with over 65,000 colleagues serving 32 million customers globally, we're putting quality products at the heart of everything we do.
Tomorrow holds boundless opportunities with us. We're pioneering digital innovation and shaping the future of retail where our values drive every action.
We stay close to customers and colleagues, always curious and connected. Our decisions are bold, our actions ambitious. Transparency is paramount, with straightforward, honest communication. We're constantly innovating, always striving for the best. Our focus is on aiming higher and winning together, combined with wise financial decisions to secure our future.
Join us at M&S to shape the future of retail.