Mountain Warehouse
Assistant Management Account – Supply Chain & Online
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Application Deadline: 6 July 2026
Department: Finance
Location: London
Description
We’re looking for an ambitious Assistant Management Accountant to join our Finance team and support our Supply Chain & Online functions. This is a fantastic opportunity for someone who enjoys combining strong management accounting fundamentals with commercial insight, analysis, and continuous improvement.
Key Responsibilities
What you’ll be doing
- Prepare and post period-end journals, ensuring accurate and timely recording of Supply Chain and Online costs.
- Complete robust balance sheet reconciliations, investigating and resolving reconciling items promptly.
- Analyse variances against budget and prior year, and help produce clear commentary on financial performance.
- Support preparation of reporting packs and performance updates for management stakeholders.
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Business partnering and analysis
- Produce weekly reporting across Supply Chain costs to support timely and informed decision-making.
- Accurately capture and code supplier costs and operational metrics to support reporting and analysis.
- Provide ad hoc analysis to identify trends, risks, and opportunities across the cost base.
- Build strong relationships with stakeholders across Finance and Supply Chain, supporting budgeting and forecasting activity.
Controls and continuous improvement
- Support the year-end process, including audit deliverables and liaising with auditors when required.
- Help strengthen the control environment by identifying opportunities to improve finance processes, reporting, and systems.
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We Would Like To Meet Someone Who Is
- At least 3 years’ experience in a finance role within a fast-paced, high-volume environment.
- Retail, ecommerce, or supply chain experience would be advantageous.
- Studying towards an accountancy qualification, or keen to continue progressing professionally.
- Strong Excel and analytical skills, with a high level of accuracy and attention to detail.
- A proactive mindset, with the confidence to challenge, improve processes, and work collaboratively with stakeholders.
Benefits
- Competitive salary and benefits package
- Hybrid working, 3 days in London based office & 2 working from home
- Holiday allowance
- 50% staff discount & 25% for family and friends
- Pension scheme
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