Customer Development Manager

Mars; Waltham on the Wolds; Hybrid; GBP 40,000 - 60,000; Full time

Job summary

A leading FMCG company in the UK seeks a Customer Development Manager/National Account Manager to manage a major grocery retail customer's growth and sales plans. This role requires proven experience, strong financial acumen, and excellent analytical skills. The successful candidate will work in a hybrid model, required onsite only 1-2 times per month, and enjoy a competitive day rate. This position offers a chance to have a direct impact on commercial strategies while working with a globally recognized brand.

Benefits

Opportunity to work with a global brand

Hybrid flexibility

Competitive day rate

Supportive working environment

Qualifications

• Proven experience as a Customer Development Manager or National Account Manager.
• Strong understanding of the Joint Business Planning (JBP) process.
• Excellent financial acumen with experience in forecasting, reporting, and invoicing.
• Strong analytical skills and the ability to interpret commercial data.
• Effective relationship builder with strong communication and negotiation capability.

Responsibilities

• Deliver against sales targets and support the execution of Joint Business Plans (JBP).
• Manage and develop the relationship with a major grocery retailer.
• Lead forecasting processes and contribute to financial planning and reporting.
• Support invoice management and customer financial reconciliations.
• Identify opportunities to grow, protect, and diversify customer business.
• Analyse performance trends and present insight-led recommendations.
• Ensure operational excellence and high-quality customer service delivery.

Skills

Customer Development Management

Joint Business Planning

Financial Acumen

Analytical Skills

Communication

Negotiation

Job description

Title: Customer Development Manager / National Account Manager

Location: Waltham on the Wolds, 1 to 2 days per month

Contract: Full-time, 6 Months (35 hours per week)

About the Role

Randstad Sourceright are recruiting on behalf of Mars for an experienced Customer Development Manager / National Account Manager to support the management and growth of a key grocery retail customer. This role plays a critical part in delivering sales plans, managing Joint Business Planning activity, and driving performance through strong commercial and analytical capability.

Key Responsibilities

• Deliver against sales targets and support the execution of Joint Business Plans (JBP).
• Manage and develop the relationship with a major grocery retailer.
• Lead forecasting processes and contribute to financial planning and reporting.
• Support invoice management and customer financial reconciliations.
• Identify opportunities to grow, protect, and diversify customer business.
• Analyse performance trends and present insight-led recommendations.
• Ensure operational excellence and high-quality customer service delivery.

Requirements

• Proven experience as a Customer Development Manager or National Account Manager.
• Strong understanding of the Joint Business Planning (JBP) process.
• Excellent financial acumen with experience in forecasting, reporting, and invoicing.
• Strong analytical skills and the ability to interpret commercial data.
• Effective relationship builder with strong communication and negotiation capability.

What We Offer

• Opportunity to work with one of the world’s most recognised FMCG brands.
• Hybrid flexibility — required onsite only 1–2 times per month.
• Competitive day rate and supportive working environment.
• A role that offers both autonomy and the ability to make a direct commercial impact.

Apply Now

If you are an experienced sales professional looking for an engaging and commercially focused role within a leading global organisation, apply today!

We are committed to providing equal employment opportunities and encourage all qualified candidates to apply.