Evidence Project Officer

Thames21; City Of London; Hybrid; GBP 32,000 - 38,000; Full time

Job summary

A leading environmental charity in City of London is looking for a candidate to join their Evidence Team focusing on water quality monitoring and pollution mitigation. The role entails engaging with community scientists, data analysis, and project management related to nature-based solutions. This position offers a hybrid working model and encompasses work in varying weather conditions. The contract is initially for 1 year with a possibility of extension and aims to address significant environmental challenges.

Qualifications

• Experience in water quality monitoring and analysis.
• Ability to coordinate volunteers and citizens in scientific efforts.
• Proficient in data presentation and visualization techniques.

Responsibilities

• Support project delivery including work planning and milestones.
• Conduct surface water sampling and analysis.
• Produce reports for various audiences.

Skills

Water quality monitoring

Data analysis

Citizen science coordination

Nature-based solutions

Use of software tools (Excel, ArcGIS, QGIS)

Education

Relevant environmental science qualification

Job description

Salary : £32,855 to £37,053 per annum

Contract length : 1 year FTC with possibility of extension

Location : Thames21’s main office at the Guildhall, City of London; but we also offer hybrid working

Responsible to : Evidence Programme Manager

About Thames21

Thames21 is a leading environmental charity, working across London and the Thames Basin to deliver high-impact 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 1 year, there is likely to be further funding to work on projects related to water quality monitoring / modelling and nature-based solutions beyond this date. The role is to lead delivery of various projects within the Evidence Program, working closely with a variety of project partners and focusing on evidencing water quality pollution issues, identifying opportunities for pollution mitigation using nature-based treatment solutions, and monitoring their effectiveness. Projects vary from local and national scale to international collaborations.

You will undertake water quality monitoring, co-ordinate networks of citizen scientists to monitor water quality, perform dataset analysis, perform water quality modelling, and provide advice and guidance on the best nature-based solutions. This job would suit somebody with experience in monitoring water quality and / or nature-based solutions, and working with volunteers.

Main Duties and Responsibilities

Support the delivery of various projects – including constructing work plans, achieving project milestones.

• Routine maintenance of probes, water testing kits and other field equipment.
• Data inputting, analysis, presentation and visualisation using a variety of software and online tools such as Excel, ArcGIS, QGIS.
• Production of high impact verbal and written reports aimed at a range of expert and non-expert audiences.
• Undertake surface water sampling and data collection, analysis and interpretation of results, desk-based studies and project reports and recommendations.
• Coordinate stakeholders across projects and partnerships to implement / co-develop new tools / approaches to data and evidence analysis / modelling.
• Method development and support of 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 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. (PLEASE REFER TO THE ATTACHED JOB DESCRIPTION FOR MORE INFORMATION)

The closing date for applications is : 5pm 26th January 2026

Interview dates : Week commencing 9th February 2026 (subject to change)

We appreciate the time you will have taken to apply to this role, and we do appreciate that it is disconcerting when you don’t hear back from a role you have applied for. However, due to the high number of applications we expect to receive, we are unable respond to or give feedback on individual applications, but we do want to be able 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.

No agencies please.