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Page 1 of 104
London, Greater London (Hybrid)
£34,116 - £38,115 per year
Full-time
Permanent
Job description

Do you want to make the first step in your fundraising career, working for a leading homelessness charity?

We’re looking for a Philanthropy Assistant to join the St Mungo’s fundraising team. You’ll support our Philanthropy function, which drives engagement and income from more than 300 individual philanthropists.

This is an exciting time to join us, with a renewed focus on identifying new supporters and securing donations that make our ambition of ending homelessness a possibility.

As Philanthropy Assistant, you will help the High Value and Major Donor team grow our portfolio, strengthening relationships with existing supporters, inspiring increased giving, and working with engaged donors to connect us with their networks.

Key responsibilities include:

  • Creating tailored communications for philanthropy supporters, including email updates, content planning, and high‑quality donor materials.
  • Maintaining accurate CRM records in Raiser’s Edge NXT, logging activity, extracting data, and liaising with wider teams.
  • Supporting donor stewardship through effective administration, donor journey activity, and delivery of our philanthropic supporter programmes.
  • Managing essential administrative processes such as donor records, income processing, mail merges, and major- gift due diligence.
  • Building strong internal relationships, sharing insights, and representing the Philanthropy Team across the organisation.

Where you’ll work

In this role you will be required to work flexibly for at least 2 days per week from our Central Office in London. This allows for training, in person collaboration, team building, line management and other relationship building opportunities. We support a flexible approach to work with opportunities for agile working for the rest of your week; from home, or other St Mungo’s London or regional locations.

While our Central Office is currently based in Tower Hill, London we plan to relocate in the summer of 2026 to a new space in Farringdon, London.

About you

We are looking for someone with a proactive approach to learning and a passion for making a difference. This is a great role if you are starting out in your career or have some experience in administration or fundraising, either way, if you have a willingness to learn and want to get stuck into a new challenge, we encourage you to apply, if you can bring:

  • Good organisational and prioritisation skills, with the ability to manage your own time, multiple tasks and priorities. 
  • Interest in joining a creative and innovative team with a willingness to get hands-on with a variety of different activities.
  • Great written and verbal communication skills, with the ability to build relationships with a variety of different people, and engage with partners.
  • Good admin skills and working knowledge of Microsoft Office, IT software and database systems.

You will be coached and supported to develop high value and major donor fundraising skills, making this role an ideal first step for someone looking to go into relationship-based fundraising.

How to apply

To view the job description and guidance on completing your application form, please click on the ‘document’ tab on the advert page on our website.

To find out more and apply please go to the St Mungo’s careers page on our website.

Closing date: 10am on Monday 16 March 2026

Interview and assessments on w/c 31 March 2026

St Mungo's are committed to creating a diverse and inclusive workplace. We strongly encourage applications from all under-represented groups.

What we offer

  • Excellent Development and Growth Opportunities
  • A Diverse and Inclusive Workplace
  • Great Pay and Other Benefits
Organisation
St Mungo's View profile Organisation type Registered Charity Company size More than 1000
Posted on: 02 March 2026
Closing date: 16 March 2026 at 10:00
Tags: Administration, Fundraising, Housing, Homelessness, Community Fundraising, Corporate Fundraising, Regional Fundraising, Digital Fundraising