Senior Geotechnical Engineer ​/ Senior Engineering Geologist

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Job Description We are seeking an Engineering Geologist/Geotechnical Engineer to support and lead components of ground investigations and geotechnical deliverables across civil, Defence, and infrastructure projects in Western Australia. This is a hands-on role suited to someone who is technically capable, field-experienced, and ready to take ownership of defined packages and work closely with senior staff.

Key responsibilities

Plan and deliver ground investigations end-to-end, including scoping, methodology selection, scheduling, and coordination with drillers and specialist subcontractors.

Undertake and/or supervise fieldwork (e.g., logging, sampling, in-situ testing oversight, QA of investigations) and ensure safe, compliant site execution.

Complete engineering geology/geotechnical interpretation and reporting, including:

Factual GI reports (logs, test schedules, QA summaries)
Ground model development and parameter selection

Geotechnical assessment inputs for design and construction (as required)
Coordinate Laboratory testing programs and validate results for completeness and suitability.

Apply strong quality and process discipline: checking, traceable calculations/assumptions, clear deliverable structure, and consistent record keeping.

Contribute to multidisciplinary coordination with civil/structures/services teams (constructability, earthworks, pavements, drainage interfaces).Support client and stakeholder engagement, including briefings on findings, risks, and recommendations.

Qualifications What we’re looking for3–10 years post-graduate experience as an Engineering Geologist / Geotechnical Engineer.

Minimum 2 years of ground investigation fieldwork experience (planning, supervision, logging/sampling, QA and safety).Strong preference for Western Australian experience, including familiarity with WA geotechnical investigation practices (local ground conditions, common investigation methods, and typical client/authority expectations).Sound technical writing skills and ability to produce clear, defensible deliverables.

Proactive, organised, and detail-oriented with a genuine focus on quality.

Exposure to Defence or high-assurance environments is advantageous (but not essential).Additional Information Why you’ll love working with usThis role provides the opportunity to lead across a broad range of geotechnical projects, apply your strong field experience, and grow your technical, project and consulting abilities over time. You’ll be part of a collaborative team that values practical thinking, technical curiosity, and professional development.

We offer a supportive and collaborative working environment, with access to mentoring, ongoing learning, and opportunities to grow your career. Our teams value flexibility, wellbeing, and work-life balance, and we encourage our people to bring their ideas, curiosity, and authentic selves to work every…