Seasonal Ecologists

Tetra Tech is hiring Seasonal Ecologists in the UK to support habitat and species surveys. The role involves fieldwork, data capture, and collaboration with experienced ecologists. Candidates will work across various locations, requiring a valid UK driving license. The position offers flexible hours and travel expenses, with some remote work for administrative tasks. Ideal for those looking to gain practical experience in ecology and contribute to wildlife conservation.
Spend your season outdoors, sharpen your ecological survey skills and join Tetra Tech’s national ecology team. We’re recruiting seasonal surveyors across the UK — a hands‑on opportunity to work with experienced ecologists on real projects that protect wildlife and inform sustainable development.

Purpose & Scope of the Role

As a Seasonal Surveyor you will support experienced ecologists in delivering habitat and protected‑species surveys across a variety of UK locations. Tasks include nocturnal and diurnal surveys for bats, reptiles, amphibians, otters, barn owls and other species, data capture, basic site assessments and contributing to field records and survey equipment care. You will work across public and private sector projects, following established survey protocols and health & safety guidance.

Your Impact in this position

Your fieldwork will provide the evidence base for ecological assessments, licence applications and mitigation design. Accurate survey data you gather will directly influence planning decisions and conservation outcomes. You’ll gain practical experience, build professional networks and develop consultancy skills that support long‑term career progression.

Core Capabilities

Field Surveying: Deliver repeatable, standardised habitat and species surveys with attention to protocol and welfare.Data Capture & Reporting: Record accurate observations, maintain survey logs and support reporting by senior ecologists.Species Awareness & Handling Support: Apply species identification skills and assist with licensed work under supervision (where authorised).Communication & Teamwork: Coordinate with ecologists, clients and landowners; communicate findings clearly and professionally.Flexibility & Resilience: Work evenings/mornings and adapt to weather, remote sites and changing field schedules.Training, Qualifications & Experience

Understanding of ecological survey principles; previous field experience advantageous but not essential. Good written and verbal communication. Valid UK driving licence required. Willingness to learn on the job and follow health & safety and welfare procedures.

Working Environment

Multiple UK locations — state your preferred location on application (Manchester, Cumbria, Newcastle, Leeds, Leicester, Birmingham, London, Southampton, Bristol, Cardiff, Scotland, Northern Ireland). Seasonal role with flexible hours (evenings and early mornings common) and regular travel between sites; travel expenses paid. Predominantly field‑based with occasional office or homeworking for admin and reporting.



Tetra Tech is a leading provider of consulting and engineering services working across the full project lifecycle worldwide. We have a wide range of expertise across our teams, providing a global support network with a personalised approach to client relationships to better understand where we can add value. We provide a collaborative environment that supports individual performance, innovation, and creativity.



We support public and private sector clients on local, national, and international projects to deliver sustainable and resilient solutions. Our operations in the UK, Ireland, and the Netherlands include more than 6,000 employees who are Leading with Science® to solve our clients’ most complex problems.



In alignment with the Equality Act 2010, we will make reasonable adjustments to support candidates and employees requiring additional arrangements. This could include adaptations to work schedules, training approaches, or the physical workspace. Please inform us if you need any accommodations during the recruitment process or in your day-to-day role