Principal Designer

📍 Job Overview

Job Title: Principal Designer Company: CIMIC (Sedgman) Location: Brisbane, Queensland, Australia Job Type: Full time Category: Engineering Design / Operations Support Date Posted: 2026-02-10 Experience Level: 10+ years Remote Status: On-site

🚀 Role Summary

• Lead the design process from conceptualization through to detailed engineering for mineral processing plants, with a strong focus on mechanical and piping systems.
• Convert complex engineering concepts into accurate and efficient 3D models and technical drawings, ensuring adherence to project specifications and quality standards.
• Uphold stringent quality control measures for all drafting and design deliverables, ensuring compliance with Australian standards and client requirements.
• Drive innovation and efficiency in design methodologies, leveraging advanced 3D modeling software and a proactive approach to problem-solving.
• Contribute to a diverse range of projects within the global resources sector, playing a pivotal role in the successful delivery of mineral processing solutions.

📝 Enhancement Note: While the title is "Principal Designer," the responsibilities and required skills strongly indicate a role focused on the operational and technical execution of engineering design within the mineral processing industry. This role is crucial for translating conceptual designs into tangible, buildable assets, making it a key operational support function. The emphasis on hands-on 3D modeling and adherence to standards highlights the practical, execution-oriented nature of this position.

📈 Primary Responsibilities

• Lead the piping layout design, ensuring optimal component placement and system functionality.
• Develop and meticulously check 3D designs from multidiscipline engineering concepts, ensuring accuracy, completeness, and adherence to design specifications.
• Validate drafting deliverables for accuracy, completeness, and alignment with design intent and project specifications.
• Diligently apply attention to detail and quality assurance practices to meet client requirements and complete tasks efficiently.
• Translate complex, multidiscipline engineering concepts into robust 3D designs and detailed engineering drawings.
• Contribute to the expansion and development of Structural Mechanical Piping (SMP) design capabilities within the team.
• Adapt to evolving project scopes and design requirements, demonstrating flexibility and a proactive approach to new challenges.

📝 Enhancement Note: The responsibilities listed are typical for a senior design role within an engineering, procurement, and construction (EPC) environment. The emphasis on "leading" piping layout and "converting" concepts into 3D designs suggests a senior contributor or lead role, not just a drafter. The inclusion of checking deliverables and upholding quality standards points to a quality assurance aspect integral to the role.

🎓 Skills & Qualifications

Education:

• Bachelor's degree in Mechanical Engineering, Civil Engineering, or a related technical field is typically expected for a Principal Designer role, although extensive experience may be considered in lieu of formal education.

Experience:

• A minimum of 10+ years of progressive industry experience in mining, minerals processing, or heavy industries.
• Proven experience in managing design projects from conceptual design through to detailed engineering phases.
• Demonstrated success in leading design activities and mentoring junior designers.

Required Skills:

• Extensive experience in leading Piping Layout Design.
• In-depth understanding of mechanical components and their application in industrial settings.
• Proven ability to convert engineering concepts into functional 3D designs.
• Proficiency in checking drafting deliverables for accuracy, completeness, and adherence to design specifications.
• Strong commitment to upholding quality standards and client requirements.
• Expertise in creating 3D designs from complex, multidiscipline engineering concepts.
• Proficient in AutoCAD 2D (or occasional MicroStation 2D).
• Proficient in AutoDesk 3D modeling programs, including AutoCAD Plant 3D, Advanced Steel, Autodesk Construction Cloud, Vault, and Plant3D.
• Demonstrated ability to work autonomously and manage workload effectively.
• Proven skills in Advanced Steel.

Preferred Skills:

• Strong understanding of relevant Australian standards pertaining to engineering and construction.
• Previous skills or a strong interest in expanding into SMP (Structural Mechanical Piping) design.
• Pointcloud Scanning skills are a significant advantage.
• AutoCAD Plant 3D Spec Development experience is desirable.
• AutoCAD Plant 3D Smart PID integration experience is desirable.

📝 Enhancement Note: The requirement for 10+ years of experience and proficiency in multiple advanced 3D modeling software packages, including specific mention of AutoCAD Plant 3D and Advanced Steel, indicates a senior-level position. The preference for knowledge of Australian standards is crucial for project execution in this region. The mention of "SMP design" and "Pointcloud Scanning" suggests a forward-looking approach to design and a desire for candidates who can adapt to emerging technologies.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Design Process Documentation: Showcase detailed case studies demonstrating your involvement in the entire design lifecycle, from conceptualization, FEED (Front-End Engineering Design), to detailed design. This should include examples of design challenges and how they were overcome.
• 3D Modeling & Visualization: Provide examples of complex 3D models and visualizations created using software like AutoCAD Plant 3D and Advanced Steel. Highlight the complexity of the projects and the efficiency of your modeling approach.
• Piping Layout Optimization: Present examples of piping layout designs, articulating the rationale behind key decisions concerning constructability, maintainability, safety, and efficiency.
• Quality Assurance & Standards Adherence: Include documentation or descriptions of processes used to ensure design accuracy, completeness, and compliance with company standards and relevant Australian regulations.
• Cross-functional Collaboration: Illustrate instances where your design work facilitated or integrated with other disciplines (e.g., structural, mechanical, electrical, instrumentation), demonstrating your ability to work within a multidiscipline team.

Process Documentation:

• Workflow Design & Optimization: Candidates should be prepared to discuss their methodologies for designing and optimizing engineering workflows, particularly concerning 3D modeling and drafting processes.
• System Implementation & Automation: Be ready to explain your experience with implementing and leveraging design software (e.g., AutoCAD Plant 3D, Vault) and any automation techniques used to enhance efficiency and accuracy.
• Performance Analysis & Reporting: Demonstrate how you measure the success of your designs, including metrics related to constructability, cost-effectiveness, and adherence to project timelines.

📝 Enhancement Note: For a Principal Designer role, a portfolio is critical. It's not just about showing the final output but the process, the problem-solving, and the adherence to standards. The emphasis on 3D modeling, piping layout, and quality assurance suggests the portfolio should heavily feature these aspects. Demonstrating an understanding of the broader EPC project lifecycle and cross-discipline integration is also key.

💵 Compensation & Benefits

Salary Range:

• Based on industry benchmarks for a Principal Designer with 10+ years of experience in Brisbane, Australia, the estimated annual salary range is AUD $140,000 - $190,000. This estimate accounts for the seniority of the role, the specialized technical skills required, and the cost of living in Brisbane.

Benefits:

• Competitive salary package.
• Flexible work arrangements and a strong emphasis on work-life balance.
• Collaborative and supportive workplace culture fostering professional growth.
• Opportunities to broaden knowledge and experience across diverse projects and engineering phases.
• Access to Sonder, a 24/7 safety and wellbeing app offering comprehensive mental health support and work/life services.
• Opportunities for career growth and professional development within CIMIC Group.
• Inclusive work environment committed to diversity, equity, and inclusion.

Working Hours:

• Standard full-time hours are expected, likely around 40 hours per week. The company promotes flexible work arrangements, suggesting potential for some flexibility in daily start/end times, subject to project demands and team coordination.

📝 Enhancement Note: The salary range is estimated based on typical Principal Designer roles in the Australian engineering and construction sector, specifically in a major city like Brisbane. The benefits package highlights Sedgman's commitment to employee well-being and professional development, which are attractive to experienced professionals.

🎯 Team & Company Context

🏢 Company Culture

Industry: Mineral Processing, Engineering, Construction, and Operations (part of CIMIC Group). Sedgman specializes in EPC (Engineering, Procurement, Construction) and operational services for the global resources sector. Company Size: Sedgman is a significant player within its niche, and as a subsidiary of CIMIC Group, it benefits from the scale and resources of a large, international conglomerate. CIMIC Group itself is a major global entity. Founded: Sedgman has a history in the mineral processing industry, and its acquisition by CIMIC Group (a subsidiary of Hochtief) further solidifies its position and capabilities. The integration into CIMIC Group provides access to a vast network and resources.

Team Structure:

• The Principal Designer will likely be part of a larger Engineering department, working closely with other design disciplines (e.g., structural, mechanical, electrical, instrumentation), project managers, and site-based construction teams.
• The role involves leading design efforts, which implies a degree of autonomy and potentially guiding or mentoring junior designers or drafters within the team.
• Collaboration is key, requiring interaction with procurement, construction, and operational teams to ensure designs are practical, cost-effective, and meet project objectives.

Methodology:

• Data-Driven Design: Designs are informed by project requirements, client specifications, and relevant industry standards, with a focus on translating conceptual data into practical engineering solutions.
• Workflow Optimization: Emphasis on efficient design processes, leveraging advanced software and methodologies to streamline the conversion of concepts to detailed engineering.
• Quality and Safety Focus: A strong emphasis on quality assurance, adherence to standards, and safety in design is paramount, reflecting the nature of work in the resources and construction sectors.

Company Website: www.cimic.com.au

📝 Enhancement Note: Sedgman's position within CIMIC Group means it operates with the backing of a major international contractor, offering stability and broad project opportunities. The culture is likely a blend of specialized engineering expertise and the corporate standards of a large group, with a strong emphasis on safety and project delivery.

📈 Career & Growth Analysis

Operations Career Level: This is a Principal-level position, signifying a senior technical expert responsible for leading complex design tasks and contributing significantly to project success. It is a role focused on deep technical expertise rather than broad management, though leadership of design activities is expected. Reporting Structure: The Principal Designer will likely report to an Engineering Manager, Lead Designer, or a similar senior engineering role within the Sedgman organization. They will collaborate closely with Project Managers and Construction Managers. Operations Impact: The designs produced by the Principal Designer have a direct and substantial impact on the feasibility, cost, safety, and efficiency of mineral processing plants. Their expertise ensures that projects are technically sound, meet regulatory requirements, and are constructible, ultimately contributing to the company's reputation for project delivery and client satisfaction.

Growth Opportunities:

• Technical Specialization: Deepen expertise in specific areas of mineral processing design, such as advanced piping systems, structural integration, or specialized equipment design.
• Leadership Development: Transition into roles involving greater team leadership, such as Engineering Lead or Department Manager, overseeing larger design teams and projects.
• Project Management: Develop skills in project management to move into roles that encompass the full project lifecycle from a commercial and execution perspective.
• Industry Advancement: Become a recognized expert within the mining and minerals processing design community, potentially leading industry standards development or contributing to technical publications.

📝 Enhancement Note: A Principal Designer role is a significant step in an engineering career. Growth opportunities often involve deepening technical mastery, taking on more complex or larger-scale projects, or moving into leadership positions where technical guidance is paramount. The connection to CIMIC Group also opens avenues for experience across broader infrastructure and mining projects.

🌐 Work Environment

Office Type: This role is based in an office environment, likely within a modern corporate setting that Sedgman shares or occupies. The emphasis on "on-site" work suggests a primary base at the Brisbane office. Office Location(s): Brisbane, Queensland, Australia. This location is a major hub for engineering and resources companies in Australia. Workspace Context:

• Collaborative Environment: The workspace is designed to foster collaboration among engineering disciplines. Expect open-plan areas or dedicated team spaces where designers, engineers, and project staff can interact.
• Technology-Rich: Access to high-performance workstations, advanced design software (AutoCAD, Plant 3D, Advanced Steel, Vault), and potentially VR/AR tools for design review will be standard.
• Project-Focused: The environment is driven by project deadlines and deliverables, with a culture of professional engagement and problem-solving.

Work Schedule: Standard full-time hours with a focus on flexible arrangements where possible. The nature of engineering projects may require occasional extended hours to meet critical deadlines or client milestones.

📝 Enhancement Note: The on-site nature of the role implies a traditional office-based work environment, emphasizing direct collaboration and access to company resources. The mention of "flexible work arrangements" suggests a modern approach to work-life balance within this structured setting.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your CV and portfolio by HR and the hiring manager to assess qualifications and experience against the role requirements.
• Technical Interview: In-depth discussion focusing on your experience with piping layout, 3D modeling software (AutoCAD Plant 3D, Advanced Steel), mechanical component knowledge, and your approach to design challenges. Expect questions related to Australian standards.
• Portfolio Presentation: You will likely be asked to present a selection of your best work, detailing your role, the design process, challenges faced, solutions implemented, and the outcomes achieved. This is a crucial stage to demonstrate your capabilities.
• Behavioral/Cultural Fit Interview: Assessment of your ability to work autonomously, adapt to change, and fit within the team and company culture, including collaboration and problem-solving styles.
• Final Interview: Potentially with senior management to discuss overall fit and strategic contribution.

Portfolio Review Tips:

• Highlight Key Projects: Select 2-3 significant projects that best showcase your expertise in piping layout, 3D design, and complex engineering concepts.
• Detail Your Role: Clearly articulate your specific contributions, responsibilities, and the impact of your work on the project.
• Showcase Software Proficiency: Include examples that demonstrate your command of AutoCAD Plant 3D, Advanced Steel, and other relevant Autodesk tools.
• Explain Your Process: Walk through your design methodology, problem-solving techniques, and how you ensure accuracy and adherence to standards.
• Quantify Achievements: Where possible, use metrics to demonstrate the success of your designs (e.g., efficiency gains, constructability improvements, cost savings).
• Address Standards & Quality: Explicitly show how you incorporated Australian standards and maintained quality throughout the design process.

Challenge Preparation:

• Be prepared for potential technical challenges or scenario-based questions. For example, you might be asked to troubleshoot a complex piping layout issue or describe how you would approach a novel design problem.
• Practice explaining technical concepts clearly and concisely, as if presenting to a mixed audience of technical and non-technical stakeholders.

📝 Enhancement Note: The interview process for a Principal Designer role will heavily weigh technical competence and practical experience, as demonstrated through a portfolio. Candidates should be ready to articulate their design philosophy, problem-solving skills, and ability to deliver high-quality, compliant designs.

🛠 Tools & Technology Stack

Primary Tools:

• AutoCAD 2D/3D: Essential for 2D drafting and 3D modeling.
• AutoCAD Plant 3D: Critical for piping layout, design, and documentation in process plant environments.
• AutoDesk 3D Modelling Programs: Including but not limited to AutoCAD Plant 3D.
• Advanced Steel: For structural steel detailing and modeling, crucial for plant infrastructure.
• Autodesk Construction Cloud (ACC) / Vault: For project collaboration, data management, and version control within design and engineering workflows.
• MicroStation 2D: Potentially used for specific projects or legacy systems.

Analytics & Reporting:

• While not the primary focus, understanding how design choices impact project metrics (cost, schedule, constructability) is key. Familiarity with project management and reporting tools used by Sedgman would be beneficial.

CRM & Automation:

• Not directly applicable to the Principal Designer role, but understanding how design data feeds into project management and procurement systems is important.

📝 Enhancement Note: Proficiency in the specified Autodesk suite of tools, particularly AutoCAD Plant 3D and Advanced Steel, is non-negotiable for this role. Experience with data management tools like Vault or ACC is also a significant advantage for collaborative project environments.

👥 Team Culture & Values

Operations Values:

• Safety First: A paramount value in the mining and construction industry, expecting all team members to prioritize safety in their designs and daily work.
• Excellence & Quality: A commitment to delivering high-quality engineering solutions that meet or exceed client expectations and industry standards.
• Innovation & Efficiency: Encouraging creative problem-solving and the adoption of efficient design processes and technologies to drive project success.
• Collaboration & Teamwork: Fostering a cooperative environment where team members support each other, share knowledge, and work towards common project goals.
• Integrity & Accountability: Upholding ethical standards and taking responsibility for one's work and its impact.

Collaboration Style:

• Cross-Functional Integration: Expect a collaborative style that involves close interaction with engineers from other disciplines, project managers, procurement specialists, and construction teams.
• Constructive Feedback: A culture that encourages open communication and the exchange of feedback to improve designs and processes.
• Knowledge Sharing: Encouraging experienced professionals to mentor and share their expertise with less experienced team members, fostering a learning environment.

📝 Enhancement Note: Sedgman, as part of CIMIC Group, likely adheres to corporate values emphasizing safety, integrity, and project delivery. The culture of a principal technical role would involve both independent execution and strong collaborative engagement with diverse project stakeholders.

⚡ Challenges & Growth Opportunities

Challenges:

• Complex Project Demands: Managing design complexities across diverse mineral processing projects, each with unique technical requirements and site conditions.
• Evolving Technologies: Keeping pace with advancements in design software, modeling techniques (e.g., point cloud integration), and sustainable engineering practices.
• Balancing Design & Constructability: Ensuring designs are not only technically sound but also practical, cost-effective, and safe to construct in the field.
• Stakeholder Management: Effectively communicating design intent and addressing concerns from various project stakeholders, including clients, engineers, and construction personnel.

Learning & Development Opportunities:

• Advanced Software Training: Opportunities to deepen expertise in specialized modules of Autodesk software or explore new design and simulation tools.
• Industry Conferences & Seminars: Participation in industry events to stay abreast of the latest trends, technologies, and best practices in mineral processing engineering.
• Mentorship Programs: Potential to mentor junior designers or be mentored by senior engineering leaders within Sedgman or CIMIC Group.
• Cross-Disciplinary Exposure: Gaining broader experience by working on different types of projects or collaborating more closely with other engineering disciplines.

📝 Enhancement Note: The challenges are typical for a senior engineering design role in a demanding industry. The growth opportunities focus on continuous learning and skill enhancement, essential for maintaining relevance as a Principal Designer.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex piping layout challenge you encountered and how you solved it, detailing your design process and the tools you used."
• "How do you ensure your 3D designs are accurate, compliant with standards (e.g., Australian standards), and optimized for constructability and maintainability?"
• "Walk me through your experience with AutoCAD Plant 3D and Advanced Steel. What are their strengths and limitations, and how have you leveraged them effectively?"
• "How do you approach working autonomously and managing your workload when faced with multiple project demands?"
• "Describe a situation where you had to integrate designs with other engineering disciplines. What were the challenges, and how did you ensure successful collaboration?"

Company & Culture Questions:

• "What interests you about Sedgman and CIMIC Group, and why do you believe you'd be a good fit for our culture?"
• "How do you contribute to a 'Safety First' culture in your design work?"
• "How do you stay updated with the latest design technologies and industry best practices?"

Portfolio Presentation Strategy:

• Structure: Organize your presentation logically, typically by project. For each project, clearly state the objective, your role, the key challenges, your design approach (including software used), the solutions implemented, and the outcome.
• Visuals: Use high-quality renderings, screenshots of 3D models, and drawings to illustrate your points. Avoid text-heavy slides.
• Focus on Process: Emphasize how you arrived at your design solutions, not just the final result. Explain your decision-making process and any trade-offs considered.
• Quantify Impact: If possible, provide data or metrics that demonstrate the value of your design (e.g., improved efficiency, reduced material usage, enhanced safety features).
• Be Ready for Deep Dives: Anticipate detailed questions about specific design choices, software functionalities, or standards application.

📝 Enhancement Note: Interview preparation should focus on demonstrating technical depth, practical problem-solving skills, and a thorough understanding of the design tools and processes relevant to mineral processing plants. The portfolio presentation is a key opportunity to visually and verbally showcase these abilities.

📌 Application Steps

To apply for this Principal Designer position:

• Submit your CV and a comprehensive portfolio through the provided application link on the Oracle Cloud portal.
• Portfolio Customization: Ensure your portfolio specifically highlights your experience with piping layout design, 3D modeling (AutoCAD Plant 3D, Advanced Steel), and projects within the mining or heavy industries sector. Include examples demonstrating adherence to Australian standards.
• Resume Optimization: Tailor your resume to emphasize your 10+ years of experience, specific software proficiencies, and achievements in conceptual to detailed design phases. Use keywords from the job description, such as "Principal Designer," "Piping Layout," "3D Design," "AutoCAD Plant 3D," and "Advanced Steel."
• Interview Preparation: Practice articulating your design process, problem-solving strategies, and experience with relevant software and standards. Prepare to present your portfolio effectively, focusing on your contributions and the impact of your designs.
• Company Research: Familiarize yourself with Sedgman's projects, its role within CIMIC Group, and its commitment to safety, quality, and innovation. Understand their operational context in the mineral processing industry.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.