Alliance Geotechnical is a leading geotechnical and environmental consultancy, delivering practical solutions across infrastructure, development and construction projects. Established in ****, Alliance has built a strong reputation for technical expertise, exceptional service, and a commitment to helping clients navigate complex ground and environmental challenges.
Our people are at the heart of our success. We foster a collaborative and supportive environment where initiative is valued, continuous improvement is encouraged, and careers can grow alongside the business. Guided by our values and commitment to safety, quality and innovation, we're proud to deliver practical solutions through our exceptional people.
The Opportunity
We're seeking an Experienced Geotechnical Engineer to join our growing Sydney team.
You'll work across a diverse range of geotechnical projects, undertaking investigations, analysis, reporting and construction support. Working closely with engineers, geologists and environmental specialists, you'll contribute to practical solutions from initial site investigation through to project delivery.
Key Responsibilities
Plan and coordinate field investigations, including subcontractor engagement and preparation of documentation to support safe and efficient site operations.
Supervise geotechnical investigations, including test pit excavations and borehole drilling, while undertaking soil and rock logging in accordance with AS ****, sampling and in-situ testing.
Coordinate laboratory testing programs and assist with the interpretation of results to support project outcomes.
Prepare factual logs,



figures and technical reports, contributing to quality reviews and maintaining high technical standards.
Assist with geotechnical assessments and provide practical input into foundations, retaining structures, slopes, pavements and earthworks.
Build strong relationships with clients and colleagues through clear communication, collaboration and a proactive approach to problem-solving.
Work closely with experienced engineers and technical specialists, seeking guidance and support to further develop your skills and expertise.
About You
Tertiary qualification in Civil Engineering, Geotechnical Engineering, Engineering Geology or a related discipline
3-4+ years' experience in a geotechnical engineering or engineering geology role
Current driver's licence and willingness to undertake fieldwork across metropolitan Sydney and regional NSW as required
Familiarity with Australian Standards and geotechnical investigation practices, with a strong safety-first mindset
Ability to manage multiple priorities and meet deadlines in a fast-paced environment
Strong commitment to health, safety, quality and environmental standards
Excellent communication, organisation and stakeholder management skills




A proactive, solutions-focused approach with the ability to take ownership
Tech-savvy and proficient in Microsoft Office and business systems
Current White Card
Why Join Alliance?
Competitive Remuneration:
Attractive salary package aligned with your experience, plus a company vehicle and the tools you need to succeed
Career Development
: Ongoing mentoring, professional development and technical training to support your growth
Flexible Workplace
: Enjoy a genuinely versatile and family-friendly work environment
People-First Culture
: Join a supportive, collaborative team that values accountability, development and continuous improvement
Additional Benefits
: Paid parental leave, wellbeing allowance, novated leasing and an employee referral program
Team Connection
: Monthly BBQs, social events and celebrations that bring our people together
Additional Information
Applicants must have full Australian work rights
Travel to regional NSW may be required due to project locations
Diversity & Inclusion
Alliance is committed to creating a diverse and inclusive workplace where everyone feels valued, respected and empowered to succeed. We welcome applications from people of all backgrounds and experiences.
Ready to take the next step in your career?
Join Alliance and help deliver practical geotechnical solutions on a diverse range of projects while building your career with a growing consultancy.
Visit our website to learn more about life at Alliance:
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📌 Geotechnical Engineer (Sydney)
🏢 Alliance Geotechnical
📍 Sydney