Senior Internal Auditor - London, Greater London

Everyone is welcome at M&S. No exceptions. It’s your background, abilities and differences that make you, uniquely you. And when you’re part of M&S, that individuality has the potential to make waves.

This is a fantastic opportunity to join the Internal Audit & Risk (IA&R) team at M&S, where you’ll be at the heart of shaping how we do business. You’ll work across a wide range of areas in the UK and internationally, giving you real breadth and variety in your role. As a trusted advisor, you’ll review and challenge how the business operates, support improvements to the control environment, and make a tangible impact during an exciting period of transformation.

What makes this role stand out is the mix of traditional audit delivery with cutting-edge data analytics, giving you exposure to every corner of the business from commercial operations to group functions. If you’re looking for a role that blends challenge, variety, and the chance to influence a leading brand’s journey, this is it.

To stay close to customers, our support teams are in the office three days a week as we believe that skills are developed through collaboration, and that spending time together makes us more creative and connected.

Due to high interest, this role may close earlier than advertised. We recommend applying as soon as possible.

Your key accountabilities will include:

• Lead and support audits across the business, delivering clear risk assessments and practical recommendations.
• Use data analytics to enhance audit insight, including SQL, Python, and Power BI.
• Engage stakeholders at all levels, presenting findings and driving improvements.
• Contribute to audit planning, methodology evolution, and continuous improvement.
• Coach and mentor junior auditors, supporting their development.

Your skills and experience will include:

• Internal Audit experience, ideally with a professional qualification (ACA, ACCA, or IIA).
• Strong understanding of risk and control methodologies.
• Experience or interest in data analytics and tools like SQL, Python, R, and Power BI.
• Background in retail, programme assurance, or multi-channel environments is a plus.
• Willingness to travel occasionally (5–10%).

What’s in it for you?

Working at M&S means being part of something bigger - helping to deliver quality, value and service to millions of customers every day. We’re inclusive, fast-moving and always evolving, with a strong sense of purpose and a focus on doing the right thing.

Here are just a few of the benefits that make working here even more rewarding:

• 20% colleague discount on all M&S products and many third-party brands for you and someone in your household, available once you’ve completed your probation.
• Competitive holiday allowance with the option to buy more.
• Discretionary bonus schemes linked to your performance and ours.
• Strong pension and life assurance to help plan for the future.
• Tailored induction and training to support your development from day one.
• Exclusive perks and savings through our M&S Choices portal.
• Market-leading family policies, including parental, adoption and neonatal leave.
• 24/7 wellbeing support, including virtual GP access and mental health services.
• One paid volunteer day a year to support a cause that matters to you.

We are ambitious about the future of retail. We’re disrupting, innovating and leading the industry into a more conscientious, inspiring digital era. We’re transforming how we work together and offering our most exciting opportunities yet. Marks & Spencer strives to be an inclusive organisation, trusted and admired by our colleagues, customers and suppliers. Join us and make change happen.

We are committed to building diverse and representative teams, where everyone can bring their whole selves to work and be at their best. We support each other and work together to win together.

If you feel you’d benefit from any support or reasonable adjustments during any stage of the recruitment process, please don’t hesitate to let us know when completing your application. This information will be picked up by our team, so we can try and put steps in place to help you be at your best through this process.