Senior Philanthropy Manager

Senior Philanthropy Manager
Permanent 
Full time (34.5 hours) 
Split between home and our London Office 
Salary: £54,000 - £59,000

About the Role

At Macmillan, we do whatever it takes to ensure everyone affected by cancer gets the best possible support today—and we’re committed to driving a revolution in cancer care for the future.

This is an exciting opportunity to join our ambitious Philanthropy team, a major growth area within the charity. In this role, you’ll play a pivotal role in bringing philanthropists into the heart of Macmillan, unlocking significant support to drive our ambitions for growth and impact - enabling us to tackle some of the most complex challenges facing people living with cancer, and reshaping the wider cancer care system for generations to come.

The role sits within our new-look Partnerships Directorate, created to build impactful, long-term relationships with philanthropists, corporate partners and healthcare leaders.

Join us at a pivotal moment – with a bold new strategy, exciting funding opportunities and a renewed sense of purpose, there’s never been a better time to make an impact.

We’re looking for a strategic and driven Senior Philanthropy Manager to lead on some of Macmillan’s highest-value philanthropic relationships. You’ll manage a portfolio of ultra-high-net-worth individuals and families, securing 6- and 7-figure+ gifts that deliver life-changing impact for people living with cancer.

What You’ll Be Doing:

• Cultivating and managing a portfolio of major donors, building long-term, high-impact relationships.
• Securing new business through strategic networking and cross-team collaboration.
• Creating bespoke cultivation plans and compelling donor communications.
• Leading senior stakeholder engagement and leveraging networks to deepen donor relationships.
• Delivering exceptional stewardship experiences that inspire and retain support.
• Supporting leadership in co-canvassing prospects with 7- and 8-figure capacity.
• Mentoring colleagues and contributing to a culture of innovation in major gift fundraising.

What We’re Looking For:

• Proven success in securing 6- or 7-figure philanthropic gifts or equivalent experience.
• Exceptional interpersonal skills and gravitas to engage senior stakeholders.
• Outstanding written and verbal communication, with a flair for storytelling.
• Entrepreneurial mindset with a results-driven approach.
• Strong influencing and negotiation skills across complex stakeholder groups.
• Experience working with senior leadership in a fundraising or similar environment.
• Excellent project management and CRM (ideally Raiser’s Edge) skills.
• A collaborative team player with a passion for Macmillan’s mission.

Who You’ll Work With:

• Principal and major gift supporters
• Senior volunteers, ambassadors, and Trustees
• Macmillan’s Executive Directors and Heads
• Service and Partnership teams
• Philanthropy advisors, family offices, and corporate partners
• Press, Policy, Advocacy, and Finance teams

What You’ll Achieve:

• A thriving portfolio of philanthropic donors and prospects
• A strong internal and external network to drive transformational giving
• Unique opportunities to engage and inspire philanthropists
• A step-change in philanthropy income for Macmillan

In return, we offer a range of benefits including:

• 25 days holiday plus flexible bank holiday options, increasing by 1 day every year of service up to 30 days 
• Pension matched up to 7.5%
• 120+ learning and development offers, with access to external professional qualifications
• Flexible working patterns, such as compressed hours, flexibility to work earlier or later around our core working hours of 10am-4pm
• Holiday buying and selling scheme, life insurance, free wills, retail discounts and much more

Recruitment Process
Application deadline: Wed 24th Sept 2025
First interview dates: Wc 6th Oct 2025 (TBC)

To ensure fairness and consistency to select the best candidate for this role, all our applications are anonymised up until an interview has been confirmed.

So we can support you to be your best during the application or interview process, please contact Macmillan TA Team TATeam@macmillan.org.uk for advice and reasonable adjustments. 

We welcome applications from everyone who meet the criteria and strongly encourage individuals to apply who have a disability, impairment or health condition or individuals who identify as Black, Asian or from another minority ethnic background, as these groups are currently under-represented at Macmillan. Our Equity, Diversity and Inclusion Strategy here along with our internal employee representation body, ‘Our Voice’ and 8 Employee Network groups help us promote fairness and belonging, becoming an engaged and inclusive organisation for all our people.