Lead Mechanical Engineer

Sedgman Onyx is a leading provider of innovative project solutions to Australia’s resources and infrastructure sectors, delivering practical, cost-effective and adaptable engineering expertise for complex project challenges. As part of Sedgman and the broader CIMIC Group, we combine specialist capability with the strength of a global resources and infrastructure business.

As we continue to grow, our team is supporting major resources, infrastructure and critical minerals projects across Australia. We are focused on delivering sustainable, practical and technically robust solutions that help shape the future of project delivery.

To support this growth, we’re looking for a Lead Mechanical Engineer to join our Sedgman Onyx team and play a key role in advancing engineering excellence across our project portfolio.

What you’ll be doing

• Lead the delivery of technically robust mechanical engineering outcomes across a diverse portfolio of projects.
• Provide technical direction and strategic input to support safe, practical and efficient project delivery.
• Take accountability for mechanical engineering quality, technical integrity, risk management, standards and safety.
• Plan and coordinate engineering workloads, ensuring project teams are set up to deliver effectively.
• Work closely with other engineering disciplines to support integrated design and seamless project execution.
• Review and guide the work of engineers and drafting team members to ensure quality, accuracy and alignment with project requirements.
• Resolve complex technical challenges and provide clear, practical solutions that support project and client outcomes.
• Review, update and maintain standard drawings and Sedgman Onyx engineering specifications in line with industry best practice.
• Coach, mentor and support engineers to build technical capability and strengthen team performance.
• Build trusted relationships across project teams, clients and stakeholders while demonstrating Sedgman Onyx’s Values in Action.

What you’ll bring

• A Bachelor of Engineering qualification in Mechanical Engineering.

• 15+ years’ experience in a design, consultancy or operational engineering environment.

• Strong experience across the mining and mineral processing sector, with demonstrated exposure to material handling projects.

• Sound technical capability in piping design and layout within mining and mineral processing environments.

• Proven experience leading technical and project teams, with the ability to guide, support and influence engineering outcomes.

• A practical understanding of project management principles, controls and delivery requirements.

• Demonstrated success in a senior or similar engineering leadership role.

• The ability to identify and resolve technical issues, apply sound judgement and escalate where required.

We're on a journey and here is what we can offer you:

• Lead meaningful work: Take ownership of high-value studies, project development opportunities and technical outcomes that influence major project and business decisions.

• Work with industry-leading experts: Collaborate with experienced engineering, project delivery and business professionals across complex mining, resources and infrastructure projects.

• Shape growth and client outcomes: Play a key role in developing new opportunities, building trusted client partnerships and supporting Sedgman Onyx’s continued growth.

• Grow your career in an inclusive environment: Gain exposure to diverse projects, innovative solutions and strategic initiatives within a supportive, collaborative and inclusive workplace.

How to express your interest

If you’re ready to bring your mechanical engineering expertise to a role where you can contribute to complex resources projects and grow your technical leadership, we’d like to hear from you. Please submit your application by clicking “apply” now.