Join a growing geo-environmental business where your technical expertise will directly support critical infrastructure, development and environmental projects.
Purpose & Scope of the Role
As a Senior Technician within our national ground investigation team, you will play a key role in delivering high-quality site-based services across a wide range of sectors including development, water, defence and infrastructure. The role is predominantly site-focused, supporting geotechnical and geo-environmental investigations through monitoring, sampling and in-situ testing. You will also contribute to the effective management of equipment, site logistics and technical data collection, ensuring work is delivered safely, efficiently and to a high standard.
Your Impact in this position
You will be instrumental in generating accurate ground and environmental data that informs engineering decisions and risk assessments. Your work will underpin project delivery, ensuring clients receive reliable insights to progress their schemes with confidence. You will also support the development of best practice on site, contributing to a strong health, safety and quality culture.
Core Capabilities
- Technical Monitoring & Sampling: land gas and groundwater monitoring, low‑flow sampling, multi‑parameter measurements, datalogger installation and management, inclinometer monitoring.
- Site Investigation & Testing: in‑situ testing such as permeability testing and support geotechnical and environmental sampling activities across a range of sites.
- Equipment & Asset Management: maintain and manage field equipment including CAT & Genny, dip meters and hand vanes, ensuring all assets are available, calibrated and fit for purpose.
- Health, Safety & Environment: apply strong HSE practices in all site activities, contributing to a proactive and compliant safety culture.
- Collaboration & Communication: work effectively within site and project teams, communicating clearly with colleagues and stakeholders to support efficient project delivery.
Skills, Experience & Qualifications
Previous experience in a similar ground investigation or site-based role is essential. You will have a strong understanding of HSE practices, be confident using relevant software and equipment, and be comfortable working in a highly site‑based environment. A full UK driving licence is required, along with a willingness to travel and stay overnight when needed. Certifications such as CSCS, CAT & Genny, SSSTS/SMSTS, First Aid or Water Hygiene are advantageous.
Working Environment
This is a predominantly site‑based role (circa 90%), involving travel across the UK and may involve some overnight stays. When not on site, there is flexibility for home or office‑based work depending on project requirements. You will be part of a collaborative and supportive technical team, with tailored training and development to support your career progression.
About Tetra Tech
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.
- Organization: 784 TCE
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