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Marble Mayne Recruitment

Customer Relationship Management Administrator

On site

London, United kingdom

£ 36,000 /year

Freelance

07-01-2026

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Skills

Communication Salesforce Microsoft 365 Problem-solving CRM Research Attention to detail Database Management

Job Specifications

Interim Development Administration Officer

Location: Central London

Contract Type: Contract - 6 month fixed term

Working hours: Part-time - 4 days per week (0.8 FTE)

Salary: £36,000 FTE / pro-rata

Support an award-winning charity undergoing digital transformation with ambitious growth plans
Manage donor relationships and CRM data for a mission-driven arts and social impact organisation
Work within a small, collaborative team that values attention to detail and proactive problem-solving

Our client is a well-established small arts charity and museum in central London with a compelling mission to inspire change and transform lives through creative practice. They are seeking a Temporary Development Administration Officer to join their growing team and support their fundraising and donor engagement activities.

Position Overview

You will manage day-to-day administration and donor communications, maintaining data integrity across their CRM system whilst supporting fundraising campaigns and grant applications. Your work will directly enable the charity to grow its supporter base and secure funding for its award-winning programmes and social impact initiatives.

The role is offered on a 4 day per week basis for a 6 month fixed term contract. The role is hybrid, with approximately 2 days per week required onsite.

Responsibilities

Serve as first point of contact for donors and supporters
Process donations, grants, and maintain accurate CRM records
Support data migration projects and database management
Write thank-you letters and donor communications
Produce financial reports and fundraising campaign materials
Research and assist with trust and foundation grant applications
Support fundraising events and campaigns

Requirements

Proven experience with not-for-profit CRM systems such as Beacon, Raiser's Edge, Salesforce etc
Strong proficiency in Excel and Microsoft 365
Excellent written and verbal communication skills
Solid financial administration and analytical abilities
Strong organisational skills with meticulous attention to detail
Experience in a fundraising environment (desirable)

Benefits

25 days annual leave plus bank holidays and birthday leave
Contributory pension scheme and volunteering leave
Free or discounted access to partner museums and galleries
Employee Assistance Programme and online learning platform access

How to Apply

CVs will be accepted on a rolling basis, so please send your CV ASAP to apply for the role.

About the Company

Marble Mayne Recruitment is a specialist Finance & IT recruiter for the not for profit sector. We offer interim, fixed term and permanent recruitment solutions across all levels from junior positions to senior level hires, including retained search services for executive level positions. We recruit for a range of Charities, NGOs, Membership & Awarding Bodies, Think Tanks and Arts Organisations. Typical roles include: Finance Director, Head of Finance, Finance Manager, Management Accountant, Finance Business Partner, Finance ... Know more