Principal Mechanical Engineer - Defence

We are seeking a talented and experienced Principal Process Engineer to join our dynamic team. In this pivotal role, you will lead engineering projects, ensuring efficient and innovative process designs that meet our clients' needs. You will collaborate with multidisciplinary teams to optimize process performance and drive continuous improvement initiatives.

Join AECOM as a Principal Structural Engineer specializing in buildings, where you will lead innovative structural design projects that shape the future of urban environments. Collaborate with a dynamic team of experts to deliver high-quality engineering solutions that enhance community resilience and sustainability.

Join our dynamic team at Pexa as a Principal Engineer, where innovation meets excellence. In this pivotal role, you will lead complex engineering projects, driving the design and development of cutting-edge solutions that transform the property settlement industry. Collaborate with a talented team, leverage advanced technologies, and help shape the future of digital conveyancing.

Role Overview The Principal Engineer at Xero works closely with teams across the product group to design and deliver software solutions for customers. This role leads efforts to strengthen engineering practices, improve software architecture, and ensure technical decisions support Xero’s product roadmap. Collaboration with senior leaders is a key part of the job, helping to shape technical strategy and align teams on shared goals. Responsibilities include clarifying complex technical challenges, simplifying processes, and using data to drive decisions that deliver customer value early. The Principal Engineer also identifies cross-team opportunities and partners with others to address engineering challenges at scale. Team Collaboration and Culture This position fosters a cross-functional environment, contributing to the technical roadmap and architectural direction both within the product group and across Xero. Building trust and credibility with stakeholders and support teams is essential. The team culture emphasizes psychological safety, inclusion, and empowering teams to experiment, learn, and perform at their best. Key Focus Areas Refactoring complex, monolithic systems into scalable, cloud-native distributed architectures. Promoting a modern DevOps culture and supporting the adoption of technologies such as AWS, Kubernetes, and React. Setting engineering standards and frameworks at the portfolio level to raise quality across teams. Guiding teams in defining and implementing SLOs, while ensuring deployment pipelines are reliable and secure. Work Environment This Melbourne-based role follows a hybrid work model, combining in-office collaboration with remote work flexibility. The office at 260 Burwood Rd offers modern facilities and the chance to connect with a skilled and engaged team.

The Role and Its ImpactJoin us as a Principal Software Engineer to lead the development of the Xero Accounting App (XAA), our premier mobile platform designed for small business owners to manage their finances effortlessly. In this role, you'll establish the benchmarks for engineering excellence at Xero, enhancing our technical capabilities and shaping the architectural strategies that align with our global product vision.You'll serve as a pivotal link between product vision and execution, influencing the technical roadmap to ensure our engineering decisions resonate with our strategic objectives. We seek a leader who excels in tackling complex engineering challenges, clarifying ambiguities, and fostering collaboration across various teams.Your Initial Focus Areas Will Include*Hybrid Mobile Evolution*: Establishing integration and performance standards in a landscape where native and React Native technologies coexist.*Systemic Operational Excellence*: Spearheading proactive strategies to mitigate issues by creating frameworks for Service Level Objectives (SLOs) and quality standards.*Capability Elevation*: Empowering lead engineers, attracting top talent, and engaging with the wider tech community as a mentor.*Efficiency*: Crafting and implementing an AI-driven engineering vision that revolutionizes software design, development, testing, and maintenance, resulting in significant productivity enhancements across teams.Work EnvironmentOur teams are based in Australia, and this hybrid role allows you to work from either Melbourne or Sydney, providing the flexibility to engage in focused tasks while collaborating in our vibrant office spaces.What We Are Looking ForExtensive experience in developing and leading mobile applications within expansive, high-growth environments, including expertise in scaling mobile build and release pipelines and architecting cloud-native backend services and APIs (preferably AWS).A strategic mindset that ensures technical architecture aligns with product strategies, fostering both technical feasibility and exceptional customer experiences.

We are seeking a highly skilled Principal Structural Engineer to join our dynamic Building Engineering team, specializing in Defence Projects. While our primary preference is for Adelaide, candidates may also be considered from Sydney, Melbourne, or Brisbane.Your Role:Serve as a senior technical expert, providing in-depth technical guidance to the team. Leverage your expertise in essential building components, including stability design, basements, structural steel framing, and connections, with a strong emphasis on designing cost-effective post-tensioned concrete floors.Utilize your extensive delivery experience with various construction materials to engage effectively with clients, architects, and builders throughout the design and construction phases of significant projects.Oversee and refine design and delivery processes to ensure high-quality, economically viable work by team members.Apply your technical knowledge to conduct quality control reviews of design calculations and drawings, as well as to prepare detailed technical specifications.Collaborate within a multidisciplinary engineering team to perform inter-disciplinary reviews of project deliverables while contributing to engineering budgets and schedules to align with project goals.

Join our team at minderacraft as a Principal Engineer / Consulting Engineer and take a leading role in the evolution of a cutting-edge smart energy platform. This position uniquely blends technical leadership with client engagement, requiring a balance of architectural guidance and strategic collaboration.As a senior technical authority, you will guide the engineering direction of our program, working closely with senior client stakeholders. With a strong emphasis on AI, we are searching for an individual who is genuinely skilled and enthusiastic about integrating AI throughout the software development lifecycle.The ideal candidate will be a well-rounded full-stack principal familiar with transitioning between React frontends, Node.js integration layers, and AWS cloud infrastructure, while confidently navigating conversations with executives.

Role overview AECOM seeks an Experienced Wastewater Process Engineer based in Melbourne. This position centers on designing and refining wastewater treatment systems that meet environmental standards and help clients achieve their operational targets. Collaboration with multidisciplinary teams is a key part of the role, ensuring solutions are both effective and compliant. What you will do Design and improve wastewater treatment processes Verify that all solutions meet current environmental regulations Work alongside professionals from various engineering fields Apply technical knowledge to support client projects About AECOM AECOM is known for its expertise in engineering and construction management. The company delivers projects that contribute to community development and infrastructure improvement around the world.

POSITION SUMMARY Join our dynamic Defense & Security Proposals team as a Senior Principal Engineer specializing in Electronic Warfare (EW). You will play a pivotal role in crafting technical proposals for our cutting-edge C-390 Millennium military multi-mission aircraft, engaging with various stakeholders to deliver innovative solutions. JOB RESPONSIBILITIES Act as a Principal Engineer, providing technical expertise and guidance on medium to large-scale projects, coordinating junior to senior engineers as needed.Conduct thorough analysis of customer and market requirements, proposing effective solutions and overseeing the development of technical proposals for prospective clients of the C-390 Millennium.Serve as a technical liaison with Embraer partners across the United States, addressing inquiries and offering guidance on the C-390 Millennium model.Perform technical evaluations of potential product developments to fulfill customer needs, especially in relation to EW systems.Provide on-site technical support during meetings with potential partners and customers, both domestically and internationally.Collaborate with internal engineering teams to ensure technical inputs align with client specifications and standards.Establish project milestones, conduct risk assessments, and estimate engineering resources for project success during the pre-sales phase.Work closely with the business development team to identify and pursue new market opportunities.Maintain ongoing communication with stakeholders, interfacing with various company units, customers, and partners.Contribute to special projects and perform additional duties as assigned by management.Drive process improvements, quality enhancement initiatives, product advancements, and support strategic initiatives within your discipline.Engage in open discussions about workflows and ongoing projects, leading any improvement initiatives that align with business requirements.

Join us at Colliers as a Principal Planner in Melbourne, where you will play a pivotal role in shaping urban development and land use strategies. You’ll collaborate with various stakeholders to deliver innovative planning solutions that align with community needs and regulatory frameworks.This position offers an exciting opportunity to lead complex projects, engage in high-level decision-making, and influence the direction of planning initiatives. If you are passionate about urban planning and have a track record of effective leadership, we would love to hear from you.

Join our dynamic team at Vams as a Business Process Re-engineering Consultant in Melbourne, Australia. We are seeking innovative thinkers who are passionate about transforming business processes to enhance efficiency and effectiveness. In this role, you will work closely with clients to identify opportunities for improvement, design and implement streamlined processes, and measure the impact of your solutions.As a key member of our consultancy team, you will engage with cross-functional teams, utilizing your expertise to drive change and facilitate strategic initiatives. Your analytical skills and creative problem-solving abilities will be essential in delivering exceptional results for our clients.

Join AECOM as a Principal Dams Engineer in Melbourne, where you will play a key role in leading and managing the design, analysis, and construction of dam projects. You will collaborate with a multidisciplinary team to deliver innovative solutions that meet industry standards and client expectations. This position offers the opportunity to work on exciting projects that contribute to sustainable infrastructure development.

Join MYOB Group Limited as a Principal AI Security Specialist, where you will lead initiatives to develop and enhance security protocols for AI technologies. Your expertise will play a crucial role in safeguarding our innovative solutions and ensuring the integrity of our systems. Collaborate with cross-functional teams to identify vulnerabilities, implement security measures, and stay ahead of emerging threats in the AI landscape.

Join AECOM as a Principal Pavements & Aviation Engineer, where you'll have the opportunity to lead innovative projects in the aviation and infrastructure sectors. In this role, you will be responsible for the design and management of pavement and aviation systems, ensuring they meet the highest standards of safety and efficiency.

Join CyberArk as a Principal Account Executive specializing in Machine Identity. In this pivotal role, you will lead the charge in securing the identities of critical assets for our clients, ensuring their digital transformation journeys are safeguarded against evolving threats.As a seasoned professional in the field, you'll leverage your expertise to drive strategic sales initiatives, engage with senior stakeholders, and build lasting relationships that foster trust and collaboration. Your ability to articulate the value proposition of our innovative solutions will be key to your success.We are looking for a results-driven individual with a passion for technology and a deep understanding of the cybersecurity landscape.

Join Egis Group as a Principal Signalling Design Engineer and play a pivotal role in the design and implementation of innovative signalling systems for transportation projects. In this dynamic position, you will leverage your extensive experience in engineering to lead projects, supervise junior engineers, and collaborate with multidisciplinary teams to ensure the successful delivery of high-quality solutions.

Join a global team of innovators at New Relic, where we are redefining observability. Our intelligent platform provides unparalleled insights, empowering businesses to excel in an AI-driven environment. As we expand our global presence, we seek passionate individuals ready to help leading companies optimize their digital applications. Explore your career with us!Your OpportunityWe are in search of a Principal Account Executive – Strategic Enterprise to enhance our elite Sales organization. In this role, you will not merely sell software; you will act as a strategic architect, guiding complex organizations through the future of digital intelligence.In this era where uptime is critical and AI adoption is essential, New Relic is at the forefront of the modern tech stack. You will lead our most significant market initiatives, targeting high-value accounts and driving multi-cloud and DevOps transformations. This position is for a skilled navigator who excels in high-stakes negotiations and possesses a visionary long-term outlook.What You'll DoLead Strategic Account Acquisition – Drive initiatives into New Relic’s highest-potential markets, owning the

Become a Part of Centorrino Technologies: Innovate, Develop, and Advance Your Career!At Centorrino Technologies (CT), we are not just a technology company; we are a thriving community dedicated to exceeding expectations. Recognized as a Great Place to Work for 2024-2025 and one of the Best Medium & Large Workplaces in Australia for 2025, we take pride in our impressive eNPS score of 68. As we continue our journey to revolutionize customer experience, we are seeking a dedicated Principal IRAP Assessor/Cyber Security Specialist to join our dynamic team in either Canberra or Melbourne.The Principal IRAP Assessor/Cyber Security Specialist plays a pivotal role in providing expert cyber security guidance, conducting assessments, and developing training programs that align with a national cyber security framework. This position is essential in ensuring that organizations meet their policy and security obligations through high-quality assessments, innovative training courses, and strategic advisory services, all while fostering ongoing enhancements in cyber security practices and tools.

Systems Technology Research (STR) is seeking a Principal Software Reverse Engineer with a strong interest in the research and analysis of vulnerabilities in cyber-physical systems. As a vital member of a multidisciplinary team, you will help in developing innovative technologies that have a substantial and immediate impact on national security. This position offers a unique opportunity to work at the intersection of computing and real-world physical systems. We value the diverse skills, experiences, and perspectives of each employee, which are crucial in delivering cutting-edge solutions to our clients. If your skills align with the qualifications listed below, we encourage you to apply!Note: This role requires on-site work and an Active Top Secret (TS) Clearance.