Principal Signalling Design Engineer

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.

Maincode is seeking a Signal Engineer in Melbourne to help shape the future of Matilda, a leading Australian language model. This role focuses on transforming massive amounts of raw data into high-quality training sets, directly influencing model performance. Both engineering and editorial skills are essential, as the work blends technical pipeline development with careful judgment about data quality. Key Responsibilities Design and implement large-scale data pipelines for ingesting, cleaning, deduplicating, filtering, and scoring training data (handling volumes from terabytes up to petabytes). Develop classifiers and heuristics to distinguish valuable data from irrelevant or low-quality input. Experiment with different dataset combinations to identify what best improves the language model. Build tools for exploring, sampling, and auditing the data corpus. Collaborate closely with researchers and training engineers to align data strategies with model objectives. Requirements Strong engineering background, particularly with Python, data tools, distributed processing, and building reliable data pipelines. High attention to detail, recognizing that small errors can quickly scale in this environment. Ability to assess the quality of training data accurately. Comfort working with extremely large and complex datasets. Interest in how data decisions influence model behavior. Quick to pick up new concepts; prior experience with large language models is not required. Preferred Experience Experience with web-scale corpora or pre-training data pipelines. Familiarity with unstructured text data. Knowledge of distributed data frameworks such as Spark or Ray. Background in deduplication, quality classification, or tokenization. Additional Details This is a full-time, in-person position based in Melbourne. Maincode cannot provide visa sponsorship, so candidates must already hold valid and unrestricted work rights in Australia.

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.

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 our expanding defence portfolio as a Principal Mechanical Engineer in our Building Engineering team. We are in search of a seasoned technical leader who excels at providing innovative design solutions across various sectors.While our preferred location is Adelaide, we also offer opportunities in Brisbane and Melbourne.Your Impact:Leverage your extensive mechanical design expertise to achieve exceptional, cost-effective results in key sectors including health, defence, transport, data centres, sports, and other significant building projects across Australia and New Zealand.Take charge of mechanical design packages for major client projects, ensuring technical excellence through meticulous design reviews and compliance checks.Work collaboratively with multidisciplinary teams to enhance the quality of calculations, specifications, and design documentation.Guide and mentor junior engineers, aiding in their technical advancement and nurturing a culture of ongoing improvement.Establish and sustain strong relationships with internal teams and clients to ensure successful project outcomes and foster repeat business.

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.

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.

Colliers seeks a Project Manager to join the Engineering & Design team in Melbourne. This position focuses on leading projects from initiation through completion, with a strong emphasis on meeting deadlines, staying within budget, and upholding quality standards. Key responsibilities Lead engineering and design projects through all stages, ensuring objectives are met Coordinate with cross-functional teams to organize tasks and allocate resources Monitor project timelines and progress to maintain schedules Maintain clear communication with stakeholders, providing updates and addressing any issues Utilize project management methodologies to drive successful project delivery Location This role is based in Melbourne.

About Quad Lock Quad Lock, a rapidly expanding company in Australia, has been recognized as a certified Great Place to Work. Located in Melbourne, we have transformed the smartphone mounting industry with our innovative case-based mounting system. Established in 2011, our product line features mounts for Cycling, Motorcycling, Driving, Running, Marine, and various Lifestyle options. To date, we have shipped millions of products to over 100 countries, with sales continuing to surge globally.About Our Team At Quad Lock, we not only dedicate ourselves to our work but also cherish the camaraderie within our diverse team. From enthusiastic cyclists and motorbike riders to runners and car buffs, we share a variety of interests. Our team comprises movie lovers, musicians, and entrepreneurs, and we take pride in being part of the Quad Lock family.About the RoleAs the Senior Product Design Engineer, you will take the lead in creating and delivering commercially viable product designs and engineering solutions across a specified portfolio of new product development programs, guiding them from conceptualization to market-ready products. This role is ideal for an individual who excels at both complex ground-up designs and managing supplier co-development programs through design for manufacturing (DFM), qualification, and gate reviews. You will work within Quad Lock's dynamic, engineering-driven stage gate process, collaborating closely with product, operations, marketing, and commercial teams while effectively managing relationships with overseas manufacturers and suppliers to ensure programs are delivered on schedule, within budget, and meet specifications. This is a hands-on, results-oriented 12-month fixed-term contract position within a close-knit, high-performing product development team.

Join easygo as a Staff Design Systems Designer in vibrant Melbourne! In this pivotal role, you will lead the design systems initiative, ensuring that our products are not only visually appealing but also user-friendly. You will collaborate with cross-functional teams to develop and maintain a cohesive design language that drives efficiency and innovation.Your expertise will guide the design process, advocating for best practices and championing user-centered design principles. This is an exciting opportunity to make a significant impact on our product ecosystem and elevate the user experience.

Job Title: Electrical Engineer – Circuit Design (Avionics Components)Location: Melbourne, FLJob Type: Full-TimeAbout the Role:We are looking for a skilled Electrical Engineer specializing in circuit design for avionics components and systems. This full-time position involves designing, troubleshooting, and updating circuit boards and assemblies that are compatible with legacy aerospace platforms. If you possess a strong background in schematic capture and PCB layout, we want to hear from you!Key Responsibilities:- Design, develop, and refine electrical circuits, schematics, and PCB layouts.- Conduct reverse engineering and redesign for obsolete avionics components.- Collaborate with multidisciplinary teams to ensure compliance with aerospace industry standards.- Perform testing, validation, and troubleshooting of circuit boards and electronic systems.- Create technical documentation, including design reports and compliance records.- Assist in sustaining engineering activities to prolong the lifecycle of existing avionics products.Qualifications:- Bachelor’s degree in Electrical Engineering or a related discipline.- A minimum of 5 years of experience in circuit design, schematic capture, and PCB layout.- Practical knowledge of older avionics systems or military/aerospace electronics.- Proficiency in schematic capture and PCB layout tools such as Altium, OrCAD, or Mentor Graphics.- Comprehensive understanding of analog and digital circuit design and component-level troubleshooting.- Familiarity with aerospace standards like DO-160 or MIL-STD is an advantage.- Exceptional problem-solving, documentation, and communication skills.

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.

About AirwallexAirwallex stands as the premier unified payments and financial platform tailored for global enterprises. Our unique blend of proprietary infrastructure and advanced software empowers over 200,000 businesses globally—including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN—with fully integrated solutions for managing everything from business accounts and payments to spend management and treasury, all the way to embedded finance on a worldwide scale.Founded in Melbourne, we are proud to have a diverse team of over 2,000 talented individuals across 26 offices worldwide. With a valuation of US$8 billion and strong backing from notable investors like T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is at the forefront of creating the global payments and financial platform of the future. If you're eager to embark on the most ambitious journey of your career, we invite you to join us.

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 our dynamic team at PA Consulting as a Managing Consultant in the Energy & Utilities sector, specializing in Design Engineering and Science. In this role, you will lead innovative projects, drive strategic initiatives, and collaborate with a diverse group of professionals to deliver exceptional solutions that meet the evolving needs of our clients.We are seeking an individual who is passionate about sustainability and technological advancement, ready to tackle complex challenges in the energy sector. You will leverage your expertise to enhance project outcomes and contribute to the overall effectiveness of our engineering and design efforts.