Evidence Project Officer

About Thames21
Thames21 is a leading environmental charity, working across London and the Thames Basin to deliver highimpact nature-based solutions to the climate and biodiversity crisis through restoring rivers, whilst 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, this we feel is key in ensuring that everybody has an equal opportunity and is not treated 
differently or discriminated against because of their characteristics. We value the voices of our individual 
employees, and we strive to work in a collaborative, innovative balanced way. The postholder must actively 
support this.

Purpose of the job
The successful candidate will be employed as part of the Evidence Team working in a supportive, dynamic and 
fast-moving environment. While the post is initially funded for a year, there is likely to be further funding to work 
on projects related to the monitoring of Nature-based Solutions (NbS) beyond this date. The role is to aid in the 
delivery of a range of projects within the Evidence Program. These projects will focus on evidence collection in 
relation to nature-based solutions for flooding and water quality issues, as well as supporting a network of citizen 
scientists to carry out water quality sampling. The role will require close collaboration with a variety of project 
partners from local to national scales.

You will work across several projects to collect and analyse water quality evidence relating to NbS that have been 
installed across London or are planned to be installed. This will involve visiting sites across London regularly to
survey sites, collect samples, and speak to local stakeholders.

You will work closely with our network of citizen scientists to support their efforts to measure water quality in 
their local area. This will involve distributing equipment and PPE, responding to their queries, and visiting sites 
with them to discuss local pollution issues and potential solutions.

This job would suit somebody who has an interest in river water quality, enjoys working outside, is a good problem 
solver, and likes working with people.

Main Duties and Responsibilities
• Routine water quality sampling of NbS installations.
• Installation and maintenance of monitoring equipment (e.g. real-time water quality sensors).
• Data inputting, analysis, presentation, and visualisation using a variety of software and online tools such 
as Excel, ArcGIS, and QGIS.
• Production of high impact verbal and written reports aimed at a range of expert and non-expert audiences.
• Work with local stakeholders to aid in the delivery of a range of river-related projects.
• Support monitoring carried out by citizen scientists. 
• Delivery of other types of project work, as and when required by project or team managers.
• Work outside in a riverside environment in a variety of weather conditions.
• Work with Thames21 colleagues to develop and implement Thames21’s vision.
 

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

For a full description including the person specification please download the file below.

To apply for this position please, email an up-to-date copy of your CV to [email protected] with 
the reference EVO0726 in the subject box of your email application. 

The closing date for applications is: 5pm Tuesday 19th August 2026.

Interview dates: Week commencing 31st 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