Principal Mining Estimator
Job no: 932401
Work type: Permanent Full Time
Location: Australia - Brisbane
Categories: Estimating
Make your mark with Thiess
Every day, all around the world, Thiess supports and celebrates our people. We recognise talent and reward transparency. We champion diversity and embrace change.
Join us. Hone your skills and develop new ones. Take on big challenges and grow, through mentorship, collaboration and empowerment.
Thiess is the place to make things happen.
What you’ll do
Thiess is seeking an experienced Principal Mining Estimator to lead the delivery of accurate, competitive and innovative estimates for new mining projects across Australia.
Reporting to the Manager – New Work, this role plays a critical leadership position within the New Work team, mentoring estimators and partnering closely with Technical Services, Commercial and Project teams to enable successful tender outcomes and long‑term project performance.
Key Responsibilities
- Lead and develop accurate, practically oriented estimates and tenders for new mining projects
- Partner with mine planning engineers to optimise mine plans for tender submissions
- Analyse direct costs, overheads and operational performance to inform tender pricing
- Provide commercial input into new services development and business cases
- Coach, mentor and lead Senior Mining Estimators and Estimators
- Support project teams with budget development and cost analysis
- Ensure compliance with commercial, legal and governance requirements
- Build strong relationships with internal stakeholders, consultants and clients
- Champion safety, innovation and continuous improvement across the estimating function
What you’ll bring
You will be a highly experienced mining professional with strong commercial acumen and a collaborative leadership style. You bring a deep understanding of open‑cut mining operations and ideally have experience delivering successful tenders in a mining or contracting environment.
- Tertiary qualifications in Mining Engineering, Civil Engineering or Surveying
- 10+ years’ experience in a mining engineering or estimating environment
- Experience working on large‑scale open‑cut mining operations
- Strong understanding of mine design, scheduling and estimating systems (including CATS)
- Understanding of contractual terms and conditions and applicability
- High‑level analytical skills with strong attention to detail
- Advanced Microsoft Office capability
- Proven ability to link technical outcomes with financial performance
- A proactive leadership mindset with strong stakeholder engagement skills
What we offer
- Flexible, hybrid work model
- Supportive, inclusive culture that values innovation and continuous improvement
- Opportunity to work with an amazing team on a high impact project
- Collaborative, values-led culture with a global reach.
- Access to leading-edge technology and systems.
- Competitive salary and employee benefits package
About us
Thiess works with clients in Australia, Asia and the Americas in the dynamic field of open-cut and underground mining.
The pioneering spirit of our founders – the legendary Thiess brothers – is our legacy, and inspires our vision to harness the power of people and technology to drive sustainable change.
At Thiess, you will have the opportunity to play a part in the global energy transition. We are growing our commodities portfolio to include metals and minerals critical to the energy transition, and developing services to enable sustainable mining.
We’re creating a culture of curiosity, knowledge-sharing, and continuous learning – supporting our people to contribute to Thiess’ success and continued growth in sustainable mining.
We’ll support you to hone your skills and develop new ones, take on challenges and grow, through mentorship, collaboration and empowerment. We offer our people ongoing technical training and development opportunities so they can reach their full potential. We also invest in the workforce of the future, with a range of programs for people starting their careers.
We recognise the value of an inclusive and diverse workplace through our vision of better together. We’re focused on creating an inclusive environment to enable our people to bring their best self to work because they feel safe, included and empowered.
Learn more http://thiess.com/makeyourmark
Should you require assistance applying for this opportunity, please contact us at hiring@thiess.com
How to Apply
This role is an opportunity to take the next step in your career. With our culture of recognition, development, and a stimulating and satisfying work environment, there is no better time to join Thiess.
Thiess follows a pre-employment process for all successful applicants, which includes two employment references, a National Police Check and a medical assessment. These checks are essential to your application, and your recruiter will support you through the process.
Please click the “apply” button to apply for this role.
Applications close: Wednesday 13 May 2026
Advertised: E. Australia Standard Time
Application close: E. Australia Standard Time
Apply now