Make your mark with Thiess  

Everyday, 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

As Senior Legal Counsel, you will play a critical role in advising the business on complex commercial, contractual and regulatory matters. You will work closely with senior leaders and operational teams to support contract formation, project delivery, risk management, and stakeholder engagement across the business. Your expertise will directly influence successful outcomes on high‑value, long‑term mining and resources services contracts.

You will report to the Head of Legal and Commercial Australia East and collaborate with a wide range of internal and external stakeholders including the Thiess General Counsel, CEO, CFO, HR, Australia East Leadership Team, regulators, clients, JV partners, subcontractors, suppliers and the wider CIMIC Group legal network.

Key Responsibilities

• Provide strategic, practical and commercially focused legal advice across tendering, contract formation and execution.
• Review tender documentation and conduct contract risk assessments.
• Negotiate contract terms with clients and support operational teams as required.
• Provide legal guidance on subcontracting strategies, terms and negotiations.
• Support subcontract administration and operational matters.
• Lead proactive management of claims, disputes and litigation with an emphasis on best‑for‑business outcomes and minimal external cost.
• Liaise with regulators and support ethics and safety investigations, ensuring appropriate legal professional privilege is maintained.

What you’ll bring

You are a senior legal professional who thrives in complex commercial environments, particularly within mining, resources or major contracting. You demonstrate strong integrity, sound judgement and the ability to balance commercial drivers with ethical obligations.

You will bring:

• A Law degree and admission to legal practice; a current practising certificate is preferred.
• 10–15+ years’ legal experience, with a good proportion of time spent in‑house.
• Experience with long‑term, high‑value mining/resources services contracts.
• Strong commercial acumen and the ability to work autonomously.
• Excellent communication, negotiation and relationship‑building skills.
• Ability to work under pressure, take initiative and manage competing priorities.
• Proficiency with Microsoft systems including SharePoint/Sites, PowerPoint and Excel.
• Willingness to travel domestically as required.

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 11 March 2026