Financial Modeller - Natural Capital

About the job

Great Yellow is connecting nature and finance, allowing nature restoration projects to run effectively with long-term capital support.

The world is experiencing rapid environmental degradation as a result of an extractive economic model, making businesses vulnerable as nature declines.

We are seeking a Natural Capital Financial Modeller to lead the development and delivery of financial models for landscape-scale nature recovery projects. This is a client-facing role, with responsibility for leading financial modelling discussions with clients, responding to queries, and resolving issues as projects evolve.

The role sits at the centre of project delivery and requires confidence in representing Great Yellow’s modelling approach in workshops and meetings, explaining assumptions and outputs, and guiding clients through financial implications and trade-offs. The successful candidate will be trusted to lead modelling conversations end-to-end, from initial scoping through to final delivery.

Reporting to the Head of Advisory, there is also a clear opportunity to lead and build out the financial modelling function, developing modelling processes, mentoring more junior team members, and shaping how modelling capability scales as Great Yellow’s project portfolio grows.

The role operates in a fast-paced, project-based environment and requires strong technical capability alongside the ability to manage multiple workstreams, adapt to evolving inputs, and support high-stakes client-facing moments.

This role is initially a contract with the possibility of becoming Permanent. Ideally we need someone to start early / mid January.

Key Responsibilities

Financial Modelling

• Build, maintain, and iterate financial models for natural capital and nature recovery projects, including:

  • blended finance structures

  • public and private funding scenarios

  • cashflow, phasing, and sensitivity analysis

• Ensure models are robust, transparent, and adaptable to new data, assumptions, and scenarios.

• Maintain version control and clear documentation so models can be understood and used by others.

Project delivery and collaboration

• Work across multiple concurrent projects, managing priorities and deadlines in line with project needs.

• Collaborate closely with project managers, advisors, and analysts to integrate financial modelling into wider project delivery.

• Provide modelling input to workshops, internal reviews, and client-facing sessions as required.

• Respond constructively and professionally to client feedback and requests for change.

Inputs, assumptions, and data

• Translate ecological, land-use, and project design inputs into financial assumptions.

• Work with incomplete or evolving data, clearly flagging assumptions, risks, and dependencies.

• Support the development of standardised templates and approaches to improve efficiency and consistency across projects.

Quality, communication, and reliability

• Deliver work to agreed timelines and flag risks early where delivery may be impacted.

• Communicate clearly with colleagues about workload, priorities, and constraints.

• Ensure that modelling outputs are ready and reliable at key client and decision-making moments.

About you

Essential

• Strong experience in financial modelling, ideally within consultancy, infrastructure, energy, environment, or natural capital-related sectors.

• Excellent Excel / spreadsheet modelling skills, with the ability to build models from first principles.

• Experience working across multiple projects with competing deadlines.

• Ability to explain complex financial outputs clearly to non-financial colleagues and clients.

• High level of organisation, professionalism, and personal accountability.

Desirable

• Experience with natural capital, environmental markets, or nature-based solutions.

• Familiarity with blended finance, public funding mechanisms, or grant-based programmes.

• Experience supporting client-facing workshops or presentations.

• Background in a startup, scale-up, or advisory environment.

Ways of working

• Comfortable operating in a dynamic, ambiguous environment where priorities can shift.

• Able to manage workload sustainably and communicate early when capacity is constrained.

• Collaborative, pragmatic, and solutions-focused.

• Aligned with Great Yellow’s values of integrity, professionalism, and long-term thinking.

What we offer

• The opportunity to work at the forefront of nature recovery and natural capital innovation.

• Exposure to nationally significant landscape-scale projects.

• A collaborative, mission-driven team environment.

• Flexible working arrangements.