Principal Mechanical 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   

Due to exciting upcoming projects, we have an exciting opportunity for a Principal Mechanical Engineer to be part of our Buildings services team in Sydney. You will be joining a diverse team of people who are passionate about what they do, with a proven track record of guiding our projects and clients, and leading the delivery across large reputed infrastructure projects.  

You will: 

• Leading mechanical design packages from concept through detailed design and construction support. 

• Making independent engineering decisions on complex technical issues and project challenges. 

• Reviewing and approving calculations, specifications, schedules, reports and design documentation. 

• Managing project deliverables to agreed programme, budget and quality requirements. 

• Acting as the primary mechanical engineering interface with clients and project stakeholders. 

• Representing the business at client, design and construction coordination meetings.  

• Coordinating local, interstate and global design resources to deliver efficient project outcomes.  

• Undertaking site inspections, construction-phase services and technical issue resolution.  

• Providing technical governance and peer review for mechanical engineering deliverables. 

• Contributing to recruitment, workforce planning and capability development initiatives. 

• Supporting strategic planning, technical practice development and knowledge-sharing activities across the Building Services business. 

• Delivering proposals, fee estimates and technical inputs for pursuits and bids. 

• Promoting innovation, sustainability and digital engineering practices in project delivery. 

About you   

Desirable Experience and qualifications 

• Degree in Mechanical Engineering or equivalent. 

• Chartered Engineer status (CPEng) or demonstrable pathway towards chartership preferred. 

• Significant experience in mechanical building services design within a consulting environment. 

• Experience delivering complex projects across sectors such as aviation, health, education, commercial, life sciences or major infrastructure-related buildings. 

• Strong understanding of NCC, Australian Standards, energy efficiency requirements, smoke control and ventilation design principles. 

• Experience with Revit/BIM-enabled design delivery and mechanical engineering analysis tools. 

Key Skills  

• Curious, experimental, and proactive mindset towards digital innovation.  

• Collaborative working style with multidisciplinary engineering teams.  

• Strong communication skills, able to explain technical workflows to non-technical users.  

• Comfortable working in an iterative, prototype-driven environment.  

Our company, values, and 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.   

We offer a range of diverse benefits and facilities to make this a great place to be, including:  

• Agile working environment, supporting our people to work flexibly  

• Discretionary Group and Personal Performance Bonuses for eligible employees 

• 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 . Please apply if you are interested ! 

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