Geotechnical Instrumentation Technician - Perth
Oso Semiconductor
IT
Perth, WA, Australia
Posted on May 7, 2026
- Work across major WA mining, tailings & infrastructure projects
- Perth-based role with paid site travel + overtime opportunities
- Join a leading consultancy with strong team culture
Tetra Tech Coffey is seeking a motivated and safety-focused Geotechnical Instrumentation Technician to join our Instrumentation & Monitoring team in Perth. This role offers the opportunity to work across a diverse range of mining (including tailings storage facilities), civil and infrastructure projects throughout Western Australia.
About The Role
You will be responsible for the preparation, installation, configuration, commissioning, operation and maintenance of geotechnical instrumentation and monitoring systems across a variety of projects. Working closely with engineers and site teams, you’ll play a key role in supporting ground control, risk management, and operational safety outcomes.The role is Perth based, with travel to projects (fly and drive) as required.
Key Responsibilities
- Install, configure, commission, and maintain geotechnical instrumentation systems, including piezometers, inclinometers, extensometers, load cells, strain gauges and vibration meters, and the data acquisition devices for those systems.
- Conduct field testing, inspections, routine maintenance and troubleshooting
- Ensure compliance with QA/QC procedures, project specifications, and safety standards
- Collect, validate, and report monitoring data to support engineering decisions
- Work collaboratively with engineers, contractors, and site personnel
- Assist with supervision and coordination of field activities where required
We’re looking for someone with g practical technical capability and a proactive, safety-first mindset.
You Will Ideally Have
- Experience in geotechnical instrumentation and monitoring (mining, civil or infrastructure)
- Hands-on experience installing and maintaining instrumentation systems
- Exposure to mining environments
- Strong understanding of QA/QC processes and site compliance requirements
- Ability to manage and communicate monitoring data effectively
- A strong commitment to safety, risk identification, and hazard management
- Solid communication skills and ability to work in a team environment
Why Tetra Tech Coffey?
- Work with a leading geotechnical and environmental consultancy
- Exposure to major WA projects across mining and infrastructure
- Supportive team culture with opportunities for career development
- Competitive salary including overtime
- Be part of a team delivering high-quality monitoring solutions that directly impact safety and performance
Tetra Tech Coffey provides high-end geotechnical, environmental, digital, and engineering design consulting services.
Every day, our people come together to solve complex challenges for our clients.
With over 30,000 Tetra Tech colleagues across 550 offices globally, we deliver projects that improve lives through science, technology, and innovation. Our commitment to creating lasting, measurable value is reflected in our global 1 Billion People Challenge , which tracks how our 100,000+ annual projects benefit people and communities around the world.
Additional Information
- Organization: 754 COF


