Reporting and Finance Officer

Salary: Officer, Band C Level 1, £36,353 - £38,536 per annum (pro rata) (depending on experience and skill level)

Contract length: 1.5 days a week/0.3FTE (working days flexible) for 2.5 years from August/September 2026 to the end of March 2029.

Location: London (Guildhall) with options for remote and flexible working.

Reporting to: The Roding Rises Project Manager

About Thames21

Thames21 is an environmental charity that works across London and the Thames Basin to deliver high-impact, nature-based solutions to the climate and biodiversity crisis by restoring rivers, while also connecting communities to their local green-blue spaces and inspiring long-term stewardship of them.

Diversity at Thames21

Equity, Diversity and Inclusion at Thames21 is key to our success, and as such, we employ staff from a diverse range of backgrounds. We believe this is crucial in ensuring that everyone has an equal opportunity and is not treated differently or discriminated against due to their characteristics. We value the voices of our individual employees and strive to work in a collaborative, innovative, and balanced way. The postholder must actively support this.

Purpose of the job

To work with Thames21’s Head of Finance and The Roding Rises delivery team to oversee the administration of The Roding Rises, a three-year project supported by The National Lottery Heritage Fund that aims to kick-start the revitalisation of the River Roding. This position will work alongside Thames21’s Head of Finance and The Roding Rises Project Manager to ensure that every day finance functions for The Roding Rises project operate efficiently and accurately. To successfully deliver this job, the postholder will have a strong eye for detail and have experience in budget management/bookkeeping to ensure funding claims and invoices are paid on time.

Main Duties and Responsibilities

• Track project costs against projected budget to ensure budget vs actual expenditure is effectively managed, raising concerns early with Thames21’s Head of Finance and The Roding Rises Project Manager.
• Complete The National Lottery Heritage Fund claims process at agreed intervals to ensure an appropriate cash flow.
• Assist with relevant reporting tasks back to project funders.
• Work with the Thames21 Head of Finance and Thames21 Finance Officer to ensure all payments are completed in a timely manner in line with internal financial processes and any outstanding payments are managed in line with the approved funding agreement/ project proposal documentation.
• Support The Roding Rises Project Manager with the administration of the Roding Grant Scheme.
• Support the development and integration of improved financial tracking and reporting processes across wider Thames21 teams.

Other Duties

This job description cannot cover every issue or task that may arise within Thames21. At various times, the post-holder will be directed to carry out other reasonable duties in support of other Thames21 activities that are consistent with those in this Job Description.

Person Specification

It is essential that in your application, you give evidence or examples of your proven experience in each of the criteria listed in the person specification. Please download the full job description with the link below to view this.

This role is ideal for those who:

• Are looking for a part-time flexible role, to fit around other commitments.
• Would enjoy working for an environmental charity on a project that will bring real, on-the-ground benefits to rivers and their surrounding communities.
• Would like to be part of a small, energised team seeking to make a positive difference.
• Would like the opportunity to positively influence the development of a growing environmental charity.
• Are able to work at a fast pace and adapt to change as needed throughout the delivery of the project.

Additional Information

• 25 days paid annual leave are available (pro rata) plus public holidays. Additionally, the Thames21 office is closed between Christmas and New Year's Day.
• Thames21 operate a flexitime system of working.
• Thames21 have an ‘Auto Enrol’ Workplace Pension Scheme with NEST (8% Employer Contribution).
• Interest-free season ticket loan or bike loan.
• 24/7 access to our employee assistance programme.

For more information on Thames21, please visit our website at www.thames21.org.uk

To apply for this position, please email an up-to-date copy of your CV and a covering letter to [email protected] with the reference RFO0726 in the subject box of your email application.

The closing date for applications is 31 July 2026

Interview dates: Week commencing 10 August 2026 (subject to change)

We appreciate the time you took to apply for this role, and we understand that it can be disconcerting when you don’t hear back from a position you have applied for. However, due to the high number of applications we expect to receive, we are unable to respond to or provide feedback on individual applications. Nevertheless, we want to manage expectations. Therefore, if you do not hear from us within 4 weeks of the closing date, please assume that your application has not been successful on this occasion.

Please advise in your application if you are happy for us to contact you for any future opportunities that may arise, should you not be successful in this position.

No agencies, please.

Using money raised by National Lottery players, The National Lottery Heritage Fund supports projects that connect people and communities with the UK’s heritage.

The Roding Rises is made possible with The National Lottery Heritage Fund. Thanks to National Lottery players, we are working with partners to bring communities together to restore, protect and deepen connections with the River Roding and its surrounding environment.

The Environment Agency is also supporting The Roding Rises through providing match-funding via its Water Environment Improvement Fund.

Please visit our website for more information about this project: https://www.thames21.org.uk/connecting-communities/the-roding-rises/.