Principal Mechanical Engineer Defence jobs in Brisbane – Browse 114 openings on RoboApply Jobs

Principal Mechanical Engineer Defence jobs in Brisbane

Open roles matching “Principal Mechanical Engineer Defence” with location signals for Brisbane. 114 active listings on RoboApply Jobs.

114 jobs found

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AECOM logo
Full-time|On-site|Brisbane

Join our dynamic Building Engineering team at AECOM as we expand our defence portfolio. We are in search of a Principal Mechanical Engineer who excels as a technical leader, delivering innovative design solutions across various sectors.This position is primarily based in Brisbane, though candidates from Adelaide or Melbourne are also welcome to apply.Your Im…

Mar 13, 2026
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AECOM logo
Full-time|On-site|Brisbane

We are excited to announce that due to our continued expansion, AECOM is seeking a Principal Structural Engineer to enhance our Building Engineering team, primarily focusing on Defence Projects. While we have a preference for candidates in Adelaide, we welcome applications from Sydney, Melbourne, and Brisbane as well.Key Responsibilities:Serve as a senior technical resource, providing expert advice to the team. Leverage your knowledge of key building components, including stability design, basements, structural steel framing, and connections, while leading the design of cost-effective post-tensioned concrete floors.Utilize your experience with various construction materials to effectively communicate and collaborate with clients, architects, and builders throughout all phases of major projects.Oversee and refine design and delivery procedures, fostering high-quality and cost-effective work from your team members.Employ your technical expertise for quality control, reviewing design calculations and drawings, and preparing technical specifications.Contribute as part of a multi-disciplinary engineering team, participating in inter-disciplinary reviews of project deliverables, while also aiding in the development of engineering budgets and schedules to fulfill project requirements.

Mar 11, 2026
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AECOM logo
Full-time|On-site|Brisbane

Join AECOM as a Senior Mechanical Engineer, where you will play a pivotal role in shaping innovative solutions for the defence sector. Utilize your expertise in mechanical design, analysis, and systems integration to contribute to exciting projects that enhance national security. Collaborate with a talented team of engineers and professionals dedicated to delivering high-quality solutions.

Mar 22, 2026
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AECOM logo
Full-time|On-site|Brisbane

Join AECOM as a Principal or Senior Electrical Engineer specializing in Defence projects. In this pivotal role, you will leverage your expertise to contribute to innovative engineering solutions that support national security initiatives. Collaborate with multidisciplinary teams and engage with stakeholders to deliver exceptional results that meet the evolving needs of the defence sector.

Mar 22, 2026
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AECOM logo
Full-time|On-site|Brisbane

Join AECOM as a Principal/Director of Environmental Impact Assessment in the Defence sector, where you will lead vital projects that shape sustainable practices for our clients. In this role, you will be responsible for managing and guiding environmental assessments, ensuring compliance with legislative requirements while driving innovative solutions. You will engage with stakeholders and work collaboratively with multi-disciplinary teams to deliver high-quality outcomes. Your expertise will help navigate complex environmental challenges and enhance the resilience of Defence operations.

Mar 23, 2026
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AECOM logo
Full-time|On-site|Brisbane

Join our growing Buildings Services Team as a Senior Hydraulic Engineer focusing on Defence Projects. While we prefer candidates based in Adelaide, we welcome applications from those in Brisbane or Melbourne.Your Impact:Lead the design and delivery of intricate hydraulic solutions for major building initiatives, ensuring adherence to the National Construction Code (NCC), Australian Standards, and local regulations.Work collaboratively with multidisciplinary teams of engineers, technicians, and designers to tackle technical challenges, ensuring high-quality, integrated project outcomes.Coordinate with project managers and team leaders to prioritize tasks, manage resources, and deliver projects on schedule, enhancing overall team performance.Engage with external clients to clarify project scopes, manage expectations, and provide effective engineering solutions.Mentor junior engineers and designers by offering technical guidance, conducting reviews, and sharing knowledge to foster team growth and excellence.

Mar 11, 2026
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AECOM logo
Full-time|On-site|Brisbane

Join AECOM as a Senior Civil Designer/Drafter specializing in Defence projects. In this pivotal role, you will leverage your extensive expertise to contribute to the design and drafting of complex civil engineering projects within the defence sector. Your responsibilities will include collaborating with multidisciplinary teams, ensuring compliance with industry standards, and delivering high-quality designs that meet client specifications.We are looking for a proactive individual who thrives in a dynamic environment and possesses a strong attention to detail. If you are passionate about civil engineering and are eager to make an impact in the defence industry, we would love to hear from you!

Mar 31, 2026
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AECOM logo
Full-time|On-site|Brisbane

Join AECOM as a Principal Mechanical BIM Modeller and lead the way in innovative building design and engineering solutions. You will collaborate with a multidisciplinary team to create cutting-edge mechanical designs using Building Information Modelling (BIM) technologies. Your expertise will be critical in optimizing project workflows and enhancing design accuracy.

Apr 2, 2026
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Colliers International logo
Principal Civil Engineer

Colliers International

Full-time|On-site|Brisbane

Join our dynamic team at Colliers International as a Principal Civil Engineer, where you will play a pivotal role in leading innovative infrastructure projects. You will collaborate with multidisciplinary teams, leveraging your expertise to deliver exceptional engineering solutions that meet client needs and ensure compliance with industry standards.

Apr 7, 2026
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AECOM Australia logo
On-site|On-site|Brisbane

Join AECOM, a global leader in infrastructure and environmental services, as we seek talented individuals to contribute to our defence projects across Australia. Our team is dedicated to shaping the future of defence by delivering innovative solutions that enhance national security.

Jan 8, 2026
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Egis Group logo
Full-time|On-site|Brisbane

Join Egis Group as a Principal Process Engineer in Brisbane, where you will lead critical engineering projects that shape the future. We are looking for a highly skilled professional with a passion for process engineering and a commitment to delivering innovative solutions in a dynamic environment.

Jan 12, 2026
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Colliers International logo
Principal Civil Engineer

Colliers International

Full-time|On-site|Brisbane

Join Colliers International as a Principal Civil Engineer, where you will be at the forefront of innovative civil engineering solutions. In this pivotal role, you will lead the design and execution of major infrastructure projects, ensuring they meet the highest standards of quality and sustainability. Collaborate with multidisciplinary teams, mentor junior engineers, and play a key role in shaping the future of urban development.

Nov 10, 2025
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Egis Group logo
Full-time|On-site|Brisbane

Role overview The Principal Signalling Design Engineer at Egis Group leads the design and delivery of signalling systems for transport projects in Brisbane. This role involves guiding project teams and working closely with colleagues from different disciplines to deliver effective solutions. What you will do Lead signalling design activities for transport infrastructure projects Oversee technical quality and ensure designs meet all relevant standards Collaborate with engineers, project managers, and other specialists throughout each project phase Support the development of practical and innovative transport solutions Requirements Extensive experience in signalling design Strong leadership skills with a record of guiding teams Background in transport or infrastructure projects Ability to work effectively within cross-functional teams

Apr 23, 2026
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Egis Group logo
Full-time|On-site|Brisbane

Role overview Egis Group seeks a Lead Principal Engineer for Urban Development based in Brisbane. This position leads significant projects that shape city growth and enhance community spaces. The focus is on sustainable development and delivering practical engineering solutions for urban settings. What you will do Lead the planning and execution of complex urban development projects, managing them from initial concept through to completion Work closely with multidisciplinary teams to deliver coordinated, integrated solutions Use technical expertise to solve challenges in city planning and infrastructure Champion sustainable practices throughout all stages of project work About Egis Group Egis Group provides engineering and consulting services for urban development and infrastructure around the world. The Brisbane office contributes to projects that influence the future of cities and support better daily life for local communities.

Apr 28, 2026
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AECOM logo
Full-time|On-site|Brisbane

Join AECOM as the Director of Mechanical Engineering, specializing in Water Infrastructure. In this pivotal role, you will lead a team of experienced engineers and collaborate with multidisciplinary teams to design and implement innovative solutions for water-related projects. Your expertise will be crucial in advancing sustainable practices and ensuring compliance with industry standards.

Feb 9, 2026
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Heirloom Carbon logo
Full-time|On-site|Brisbane, CA

THE ROLEJoin Heirloom’s Plant Design team as a Mechanical Engineer, where you will provide critical technical expertise in industrial airflow systems. This dynamic and hands-on position requires you to design and specify our next generation Airflow System, ensuring it meets key performance targets while effectively managing substantial air volumes through the carbonation system.WHAT YOU'LL DOLead the comprehensive design process for the carbonation airflow system, including fan selection, intake systems, and flow-conditioning geometry.Specify equipment that satisfies performance targets for airflow uniformity, flow rates, and velocity.Define and specify sealing systems to achieve efficient airflow as per design standards.Create technical specifications, general arrangement drawings, RFQs, and performance requirements for large-scale air-moving equipment.Oversee supplier assessments and equipment selections for fans, intake systems, and seals.Contribute to make vs. buy analysis for the airflow system.Act as the technical lead for the roadmap involving CFD (Computational Fluid Dynamics), physical modeling, and full-size prototyping in collaboration with the Innovation team to validate the airflow system.Utilize Reynolds Number scaling laws to convert data from physical models to commercial-scale performance.Provide on-site support and troubleshooting during the commissioning phase of airflow systems.Design and specify equipment for supporting mechanical systems, including dust collection and system-level water delivery.Travel to vendor locations and project sites (both domestic and international) for FATs and installations.WHAT YOU'LL BRINGBachelor's Degree in Mechanical Engineering.5+ years of experience in a design-focused role involving industrial-scale airflow management such as LNG cooling, gas turbine intakes, data center cooling, or industrial HVAC.Strong technical acumen with the ability to audit intricate engineering details.Hands-on experience with commissioning and startup of industrial cooling systems.Proficient in CFD software and related modeling tools.Excellent communication and collaboration skills.

Feb 17, 2026
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Egis Group logo
Full-time|On-site|Brisbane

Join our dynamic team at Egis Group as a Principal Mechanical Designer in Brisbane! We are seeking an innovative and experienced professional who will play a key role in designing and developing advanced mechanical systems. You will collaborate with a team of engineers and designers to deliver high-quality solutions that meet client expectations and industry standards.

Feb 2, 2026
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Colliers logo
Full-time|On-site|Brisbane

Join Colliers as a Principal Planner, where you will lead strategic planning initiatives and contribute to the development of innovative solutions for urban and regional development projects. Your expertise will guide multidisciplinary teams to deliver exceptional results that meet client goals and community needs.

Sep 19, 2025
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AECOM logo
Full-time|On-site|Brisbane

Join AECOM as a Principal Pavements Engineer and lead innovative projects that shape the future of infrastructure. We are seeking a passionate and experienced professional to elevate our pavement engineering capabilities while delivering high-quality, sustainable designs for road, airfield, and other pavement structures.

Jan 9, 2026
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Egis Group logo
Full-time|On-site|Brisbane

The Egis Group is seeking a talented and experienced Principal/Senior Principal Water Planning Engineer to join our dynamic team in Brisbane. In this role, you will lead innovative water planning projects, ensuring sustainable practices while delivering exceptional results for our clients. Your expertise will help shape the future of water resource management, making a significant impact in the communities we serve.

Mar 22, 2026

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