Senior Mechanical Engineer Defence Sector jobs in Sydney – Browse 693 openings on RoboApply Jobs

Senior Mechanical Engineer Defence Sector jobs in Sydney

Open roles matching “Senior Mechanical Engineer Defence Sector” with location signals for Sydney. 693 active listings on RoboApply Jobs.

693 jobs found

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AECOM logo
Full-time|On-site|Sydney

Join our dynamic team at AECOM as a Senior Mechanical Engineer specializing in the defence sector. In this pivotal role, you will be responsible for designing and implementing cutting-edge mechanical solutions that meet the rigorous demands of defence projects. Collaborate with multidisciplinary teams and contribute to innovative engineering solutions that e…

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

Join AECOM as a Principal Mechanical Engineer specializing in Defence projects. In this pivotal role, you will be responsible for leading the design and implementation of innovative mechanical systems that meet the strategic needs of our defence clients. Your expertise will guide project teams, ensure compliance with regulatory standards, and drive the successful delivery of high-quality engineering solutions.As a key member of our team, you will collaborate closely with multidisciplinary teams, stakeholders, and clients to deliver projects on time and within budget. You will also mentor junior engineers, fostering a culture of continuous improvement and excellence.

Mar 27, 2026
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AECOM logo
Full-time|On-site|Sydney

Join AECOM as a Senior Hydraulic Engineer specializing in the defence sector. In this pivotal role, you will lead hydraulic engineering projects, ensuring compliance with industry standards and client specifications. Your expertise will directly contribute to the successful delivery of innovative solutions that enhance operational efficiency and safety.

Apr 2, 2026
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AECOM logo
Full-time|On-site|Sydney

Join AECOM as a Principal / Senior Electrical Engineer in the Defence sector, where you will play a pivotal role in shaping critical projects. This position offers the opportunity to lead innovative electrical engineering solutions for defence applications. You will be responsible for designing, implementing, and overseeing a variety of electrical systems, ensuring compliance with industry standards and regulations. Collaborate with multidisciplinary teams, mentor junior engineers, and contribute to the strategic development of projects that make a real impact.

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

Join AECOM as a Civil Engineer specializing in Defence Infrastructure. In this role, you will have the opportunity to work on significant projects that enhance national security and infrastructural development. Your expertise will contribute to the planning, design, and implementation of innovative solutions that meet the demands of our clients.

Mar 25, 2026
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AECOM logo
Full-time|On-site|Sydney

Join our dynamic Building Engineering team as a Principal Structural Engineer specializing in Defence Projects. We are experiencing continued growth and are seeking a highly skilled professional to make a significant impact. While we prefer candidates based in Adelaide, we welcome applications from Sydney, Melbourne, or Brisbane.Your Role:Serve as a Senior technical resource, offering expert advice to the wider team. Leverage your expertise in key building components such as stability design, basements, and structural steel framing, while leading the design of cost-effective post-tensioned concrete floors.Utilize your experience with various construction materials to effectively collaborate with clients, architects, and builders throughout the design and construction phases of significant projects.Oversee and refine design and delivery processes, ensuring high-quality, cost-efficient outcomes from the team.Apply your technical knowledge to conduct quality control reviews of design calculations and drawings, while preparing detailed technical specifications.Collaborate within a multi-disciplinary engineering team to review project deliverables and contribute to the development of engineering budgets and schedules that align with project objectives.

Mar 11, 2026
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AECOM Australia Pty Ltd logo
Full-time|On-site|Sydney

AECOM is seeking a talented Design Manager to lead innovative defence projects in Sydney. In this pivotal role, you will oversee the design process, ensuring that our projects meet the highest standards of quality and efficiency. You will work collaboratively with a team of engineers and architects, managing timelines and budgets to deliver exceptional results.

Mar 18, 2026
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AECOM Australia logo
Full-time|On-site|Sydney

Join AECOM, a global leader in engineering and infrastructure, as we explore defence opportunities in Australia. We are committed to delivering innovative solutions that enhance the safety and security of our communities. As part of our team, you will work on high-impact projects and collaborate with industry experts to drive progress in defence initiatives.

Jan 8, 2026
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AECOM logo
Full-time|On-site|Sydney

Join AECOM, a global leader in engineering and infrastructure, as we seek passionate individuals to explore exciting defence opportunities in Sydney. Our team is dedicated to delivering innovative solutions that make a lasting impact on communities and the environment.

Apr 9, 2026
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AECOM logo
Full-time|On-site|Sydney

Join AECOM as a Principal/Director of Environmental Impact Assessment specializing in Defence projects. We are seeking a visionary leader to guide our team in delivering cutting-edge environmental assessments that meet the unique challenges of the Defence sector. This role requires a deep understanding of environmental regulations and the ability to navigate complex stakeholder environments.The successful candidate will be responsible for overseeing project teams, ensuring compliance with environmental legislation, and fostering relationships with both clients and regulatory agencies. You will play a crucial role in shaping sustainable practices within the Defence industry.

Mar 23, 2026
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Arista Networks logo
Full-time|On-site|Sydney

Collaborate with Cross-Functional TeamsAs a Senior Mechanical Engineer at Arista Networks, you will engage with diverse teams to accelerate the delivery of innovative solutions tailored to our clients' needs.Key ResponsibilitiesReporting to the Mechanical Engineering Manager, you will spearhead the mechanical design efforts for our next-generation modules and chassis. Arista Networks is renowned for its high-density networking switches, which present unique mechanical design challenges. Your role will encompass addressing structural integrity, cooling efficiency, electromagnetic compatibility (EMC), safety standards, manufacturability, cost-effectiveness, aesthetic considerations, tolerances, and comprehensive documentation—all within tight timelines.Investigate and integrate solutions proposed by team members while contributing novel ideas to meet all design requirements.Utilize Creo 3D CAD for design implementation and generate essential drawings, critical dimensions, and 3D files for prototyping and manufacturing.Coordinate and oversee peer and cross-functional team design reviews, while actively participating in the review of others' work.Organize the bill of materials (BOM), manage product releases and changes via product lifecycle management tools (Agile).Develop 3D models for thermal simulation analyses.Deliver PCB design drawings and 3D files to the ECAD team, collaborating with electrical engineers to resolve placement challenges and reviewing final PCB designs.Engage with contract manufacturers and suppliers to resolve any design for manufacturability (DFM) issues.Conduct laboratory testing of prototypes against 3D MCAD designs, troubleshooting and resolving design issues as they arise.Communicate manufacturing challenges identified in the lab to the contract manufacturer.Occasional travel to suppliers may be necessary to address issues or expedite production.Participate in cross-functional team meetings focused on addressing ongoing production support issues.

Feb 24, 2026
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AECOM logo
Full-time|On-site|Sydney

Join our team as the Associate Director of Mechanical Engineering at AECOM in Sydney. In this pivotal role, you will lead engineering projects, mentor junior engineers, and ensure the highest standards of quality and innovation in mechanical engineering.Your expertise will help us deliver exceptional solutions to our clients, while driving our commitment to sustainable practices and technological advancement.

Apr 30, 2026
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Neara logo
Full-time|On-site|Sydney

Imagine having the capability to stress-test an entire power grid against a hurricane before the clouds even gather. This is the innovative reality we are forging at Neara.By harnessing cutting-edge machine learning technology, we create engineering-grade, physics-enabled digital twins of electricity grids across four continents, empowering asset owners to identify their most pressing challenges and implement viable solutions across millions of kilometers of infrastructure.Through simulating extreme weather conditions and structural stress at a network-wide scale, we enable the world's largest utilities to identify risks, optimize investments, and contribute to a more resilient global energy future.Our team comprises brilliant minds dedicated to making a tangible difference in the real world, leveraging AI and machine learning to enhance everything from data classification to complex scenario analysis. We have cultivated a unique culture where innovation flourishes because each team member takes ownership of our mission. We seek intelligent, creative individuals to help us amplify this impact worldwide.Integrating practical security measures into our systems is crucial, and we are looking for our first in-house Senior Security Engineer to champion and elevate security as a deeply practical, engineering-focused discipline.This role transcends mere compliance; you will engage directly with code, shaping the design and operation of secure systems in practice while ensuring that security becomes the path of least resistance for everyone at Neara.Key Responsibilities:Engineering & Product SecurityConduct hands-on security reviews of code, architecture, and infrastructure.Serve as a security reviewer on pull requests and design documents.Identify and remediate vulnerabilities across back-end systems, APIs, cloud infrastructures, CI/CD pipelines, authentication mechanisms, and data flows.Utilize and fine-tune static, dynamic, dependency, and runtime analysis tools (both commercial and open-source, including AI-assisted options).Perform white-box and black-box testing, along with targeted penetration tests.Contribute to designing and enhancing defense-in-depth strategies across systems and processes.Engage early in product design, helping to prevent security issues rather than merely reacting to them.Fostering a Security Culture & Practical ImplementationPromote security best practices and awareness throughout the organization.

Feb 11, 2026
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Qantas Group logo
Full-time|On-site|Sydney

Join the Qantas Group as a Mechanical Engineer, where innovation meets excellence. We are looking for a talented engineer with a passion for design and problem-solving in mechanical systems. Your role will involve developing, testing, and implementing engineering solutions that enhance our operational efficiency.As a key player in our engineering team, you will work on exciting projects that contribute to the future of aviation. Your expertise in mechanical engineering principles will be vital in ensuring the safety and reliability of our fleet.

Apr 29, 2026
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Anduril Industries logo
Full-time|On-site|Sydney, New South Wales, Australia

Anduril Industries is at the forefront of defense technology, committed to revolutionizing military capabilities for the U.S. and its allies through cutting-edge innovations. By harnessing the expertise and business strategies of the most groundbreaking companies of the 21st century, we are redefining the design, production, and distribution of military systems. Our systems are powered by Lattice OS, a sophisticated AI-driven operating system that integrates vast data streams into a dynamic, real-time 3D command and control interface. As we navigate a new era of strategic competition, Anduril's dedication lies in delivering state-of-the-art autonomy, artificial intelligence, computer vision, sensor fusion, and networking technologies to the military within months, not years.ABOUT THE ROLE:We are expanding rapidly and are on the lookout for dynamic individuals eager to thrive in a vibrant, innovative team passionate about subsea robotics and ocean exploration. Our environment is fast-paced and collaborative, where idea exchange is encouraged and celebrated.We are in search of a Mechanical Design Engineer to join our Manufacturing Engineering Team. This position offers the chance to work in a forward-thinking start-up atmosphere, pushing the boundaries of factory operations, equipment, and process execution. The ideal candidate will possess extensive experience and a true passion for mechanical design and design for manufacturing. You will actively pursue continuous improvement opportunities in both physical and data domains, gaining diverse experience in an advanced production context by designing production fixtures that enhance technician efficiency and collaborating closely with manufacturing and design engineers to optimize product manufacturability.WHAT YOU’LL DO:Lead the physical design, prototyping, and fabrication of production equipment.Innovate tooling solutions for the fabrication and assembly of structural components.Create detailed mechanical designs, including 3D modeling and 2D drawings using NX, while adhering to engineering standards.Choose suitable materials (metals, polymers, composites) based on mechanical properties, environmental conditions (including marine/corrosive environments), cost considerations, and manufacturing processes.Conduct engineering calculations from first principles (e.g., lifting analysis, beam/hook loading, and center of gravity calculations).Run FEA simulations to validate the structural and dynamic performance of mechanical components prior to prototyping.Utilize FEA results to refine designs for weight, cost, and manufacturability (DFM).

May 1, 2026
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AECOM logo
Full-time|On-site|Sydney

We are seeking an experienced and dynamic Associate Director of Mechanical Engineering to lead our buildings division. In this role, you will manage a team of talented engineers, oversee the design and implementation of mechanical systems in various building projects, and ensure that all work adheres to industry standards and best practices. Your leadership will drive innovation and excellence in mechanical engineering across our projects.

Mar 23, 2026
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Anduril Industries logo
Full-time|On-site|Sydney, New South Wales, Australia

Anduril Industries develops defense technology for the U.S. and allied countries, focusing on advanced autonomy, AI, computer vision, sensor fusion, and networking. Their systems use Lattice OS, which merges large data streams into a real-time 3D command and control platform. The team draws on experience from leading organizations to rethink how military systems are designed, built, and delivered. Role overview This Mechanical Design Engineer - Manufacturing role is based in Sydney and supports subsea robotics and ocean exploration projects. The team values open collaboration and encourages sharing ideas. The position centers on improving mechanical design and manufacturing processes, both on the production floor and through data-driven methods. Responsibilities include designing production fixtures to help technicians and working closely with other engineers to enhance manufacturability. What you will do Design, prototype, and fabricate production equipment for manufacturing operations. Create tooling solutions for fabricating and assembling structural parts. Produce detailed mechanical designs using NX, including 3D models and 2D drawings that meet engineering standards. Select materials such as metals, polymers, and composites, considering mechanical needs, environmental exposure (including marine and corrosive environments), cost, and manufacturing techniques. Perform engineering calculations from first principles, including lifting analysis, beam and hook loading, and center of gravity assessments. Conduct FEA simulations to evaluate the structural and dynamic performance of parts before prototyping. Use FEA results to refine designs for weight, cost, and ease of manufacturing.

Apr 24, 2026
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KPMG Australia logo
Full-time|On-site|Sydney

Join KPMG Australia as a Senior Audit Manager specializing in the Energy Sector. In this pivotal role, you will lead audit engagements, oversee client relationships, and contribute to high-impact projects that shape the future of energy in Australia. You will collaborate with a talented team, ensuring compliance with financial regulations while delivering value to our clients.

Mar 17, 2026
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AECOM logo
Full-time|On-site|Sydney

Join AECOM, a global leader in engineering and infrastructure, as a Principal BIM Modeller (Mechanical) in our Sydney office. In this pivotal role, you will leverage your expertise in Building Information Modelling (BIM) to drive innovative solutions and enhance project outcomes across various sectors.Your responsibilities will include developing and maintaining advanced 3D models, collaborating with multidisciplinary teams, and ensuring compliance with industry standards. We seek a proactive individual with a passion for technology and a commitment to delivering high-quality work.

Apr 2, 2026
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Indie Campers logo
Full-time|On-site|Sydney, New South Wales, Australia; Sydney, New South Wales, Australia

ABOUT US At Indie Campers, we are passionate about making road trips accessible to everyone. As a leading campervan marketplace, we pride ourselves on our digital innovation and customer-centric approach, creating a seamless booking experience and delivering high-quality road trip options at competitive prices. With over a million nights rented through our platform, we have welcomed more than 300,000 travelers from 169 countries. Our offerings include short-term RV rentals, long-term campervan subscriptions, and the option to purchase vehicles directly from us. Our deep technological focus makes for a challenging yet exciting work environment that demands top talent and motivation. We are expanding our team and invite those who share our vision to embark on this evolving journey with us. THE ROLE We are seeking dedicated and skilled individuals who excel in mechanical craftsmanship and hands-on problem-solving to join our team as a Campervan Mechanic at our Sydney depot. Your role will be vital in maintaining our fleet of campervans to the highest standards, ensuring our customers can embark on unforgettable adventures. As a Campervan Mechanic, you will collaborate closely with the APAC Regional Team, with a primary responsibility to keep our campervans in optimal condition, contributing to operational efficiency and customer satisfaction. This is an exciting opportunity to leverage your technical expertise and make a significant impact. If you thrive on solving mechanical challenges and are eager to contribute to a mission-driven team, we encourage you to bring your skills to our organization. WHAT WILL YOU WORK ON? Systematically inspect campervans and diagnose issues in mechanical, electrical, heating, and water systems. Perform maintenance and repairs on campervans and motorhomes, including: Preventive and corrective maintenance Light bodywork repairs (e.g., spare parts replacement like lightbulbs, windows, side mirrors) Substitution and repair of campervan spare parts Troubleshooting campervan appliances

Apr 4, 2026

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