Proposition Development Manager

We'relooking for a Proposition Development Manager to joinourProposition Development team on a six-monthfixed term contract.

You'll help develop compelling funding opportunities that bringourambitions to life and inspire support from a range of high-value audiences.

Working across priorities including Ending Unequal Access, conservation,heritageand inspiring people to care for nature,you'llcollaborate with colleagues across the organisation to shape strategic propositions, develop persuasive cases for support and help build proposition development capability.

What it's like to work here

OurProposition Development team helpsidentify,developand communicate funding opportunities that enable supporters to contribute to our work.

We'rea collaborative and supportive team that values curiosity,creativityand learning.You'llwork closely with colleagues across fundraising, finance and operational teams, building relationships and helping bring our strategic priorities to life.

As this is a national role, there is flexibility on your contractual place of work. Our hybrid working policy means you can balance office and home working with site visits and meetings at other National Trust places.We'lltalk about this in more detail at interview, but you should expect to be at a National Trust site for 40-60% of your working week.

What you'll be doing

You'llwork with colleagues across theorganisationsto develop compelling funding propositions and cases for support that help secure investment in our strategic priorities. Working closely with fundraising,programmeand finance teams,you'llbring together information,insightsand evidence to create opportunities that connect supporter interests with meaningful impact.

You'llhelp shape how programmes are presented to a range of audiences, including major donors, trusts and foundations, corporatepartnersand wider fundraising audiences.

You'llfacilitateconversations and workshops with colleagues from across the organisation, bringing together different perspectives and areas of expertise to develop strong funding opportunities.You'llbe confident interpreting complexinformation and project budgets, turning them into clear, engaging narratives and well-costed propositions thatdemonstratethe difference supporters can make.

Alongside developing new propositions,you'llhelp strengthen proposition development across the organisation by sharing knowledge, coachingcolleaguesand supporting effective ways of working.You'llcontribute to the continuous improvement of proposition development processes, helping ensure fundraisers have access to a strong portfolio of funding opportunities that align with organisational priorities and supporter interests.

Who we're looking for

You'll bring a broad range of the following knowledge,skillsand experience, shaped bydifferent roles, sectors or career paths, and the judgment to apply them effectively at scale;

• Experience developing compelling propositions, cases for support or other strategic communications that engage different audiences.
• Ability to translate complex information into clear,engagingand persuasive narratives that inspire action.
• Strong relationship-building skills, with experience of working collaboratively across teams,bringing together a range of perspectives.
• Experiencefacilitatingdiscussions, workshops or collaborative activities that help shape ideas,prioritiesand solutions.
• Experienceworking with financial information and budgets to develop credible, costed proposals and recommendations.
• Experienceleading inclusively, creating an environment where people feel valued,respectedand able to contribute their best work.

The package

The National Trust has the motto 'For everyone, for ever' at its heart. We're working hard to create an inclusive culture, where everyone feels they belong. It's important that our people reflect and represent the diversity of the communities and audiences we serve. We welcome and value difference, so when we say we're for everyone, we want everyone to be welcome in our teams too.

• Substantial pension scheme of up to 10% basic salary
• Free entry to National Trust places for you, a guest and your children (under 18)
• Season ticket loan
• EV car lease scheme (for roles that meet the salary criteria)
• Perks at work discounts such as gym memberships, shopping discount codes, cinema discounts
• Holiday allowance up to 32 days relating to length of service, plus holiday purchase scheme, subject to meeting minimum criteria.

National Trust place

Heelis, Kemble Drive, Swindon, SN2 2NA

Documents

Proposition Development Manager - Grade 5.pdf

Requirements

Compliance. Eligibility to Work in the UK

Additional information

Closing Date: 09 August 2026

Interview Date: Week commencing 17 August 2026

Internal Applicants only

Our colleagues work for the National Trust in many locations and sometimes don't have easy access to internal vacancy listings. Using the internet ensures we can reach as many of our colleagues as possible. We appreciate that this can be frustrating for external talent. Do note that some roles are released externally after an initial period of time.

The National Trust celebrates diversity and is committed to creating a fair and equal society, free from discrimination. You can read more about our commitment to inclusion and diversityhere .

Safeguarding Statement

The National Trust is committed to a safe recruitment processes to help the organisation attract and appoint the right staff/volunteer for the role and responsibilities as set out in the vacancy advert. We will not accept applicants who are not suitable to work with children, young people or adults at risk. If you have any questions around your suitability for this vacancy, please contact the people service centre.