Principal Rail Engineer

Brilliant people trusted to do brilliant things 

Mott MacDonald is a vibrant and forward-thinking engineering, management, and development consultancy. Working together as a global team we plan, design, deliver and maintain the transport, energy, water, buildings, and wider infrastructure that is integral to people's daily lives. We value excellence in every dimension of our business and continuously seek opportunities to improve what we do and how we do it. 

We employ brilliant people who combine their diverse skills and experiences to achieve brilliant things. Whether you want to specialise or broaden your experience, you'll be supported by global specialists eager to share their expertise. With numerous opportunities to learn and grow, the possibilities are as diverse as our people. Working as a connected global team, we deliver impactful projects that shape the future. 

Your Opportunity  

As our Transport team continues to grow, we're excited to offer an opportunity for a Principal Rail Engineer or Principal Rail Designer to join our Brisbane office. You'll be part of a diverse, passionate team with a proven track record of delivering major projects across Australia. This is your chance to coordinate, innovate, and grow—while making a real difference. 

In this role, you'll play a pivotal part in shaping landmark rail projects across Southeast Queensland and beyond. You'll oversee track and alignment design, mentor emerging talent, and collaborate across disciplines to deliver high-quality, future-ready solutions. 

Your responsibilities will include: 

• Overseeing track and alignment designs, including requirements definition, digital design (12D, Bentley tools), CAD drafting, design reviews, and reporting. 
• Managing quality and ensuring excellence in design deliverables.
• Guiding project teams with clear communication, resource planning, and collaborative leadership.
• Delivering geometric and earthworks design with input from multidisciplinary teams.
• Producing design outputs for drawings and reports that drive project success. 

About You 

You're a trusted expert and collaborative leader. You will bring technical excellence, a commitment to integrity, and a passion for making a positive impact. 

You will also have:

• Tertiary Qualifications in Engineering  
• RPEQ registration or the ability to obtain it within 6 months desirable
• Proven experience in track and alignment design for mainline and yards. 
• Proficiency in OpenRail Designer and ideally 12D.
• Strong understanding of quality processes and project delivery.
• Ability to undertake CAD drafting and document design processes.
• High-level collaboration skills and a teamwork mindset.
• Experience with kinematic analysis and business development is a plus. 

Why Join Us? 

Culture & Benefits  

Mott MacDonald celebrates diversity and inclusion, offering a supportive work environment that values work-life balance, diversity, inclusion, and equity. We welcome diverse applicants, including First Nations People, people with disabilities, members of the LGBTQIA+ community, and people of all genders, neurodiversity, cultural backgrounds, age groups, and those with intersectional identities.  

Our benefits package is designed to enhance your experience:  

• Agile working environment, supporting our people to work flexibly 
• Discretionary Group and Personal Performance Bonuses for eligible employees
• Life, personal accident, and salary continuance insurance 
• Employee resource groups including the Inclusive Network for Women, Corporate Social Responsibility and more 
• Annual Health Checks and ongoing professional development  

You've got this  

We endorse a diverse and inclusive workplace, and look to provide suitable opportunities for employees including the opportunity for part time and job shared roles where possible. If you are interested in this role and looking for a part time permanent opportunity, please apply #LI-NS1