Senior Mechanical Designer - Water & Wastewater BIM

Sequana Partners Pty Ltd; Melbourne; On-site; AUD 90,000 - 130,000; Full time

Job summary

Atlas, part of the Sequana Group, is seeking a Senior Mechanical Designer/Drafter in Melbourne to own mechanical drawing deliverables for water and wastewater projects. You will manage 3D models, 2D drawings, and BIM compliance, coordinating with engineers and drafting staff to ensure high-quality outputs across project milestones.

You will contribute to DEXP/MIDP documentation, perform site visits, and support construction teams with accurate as-built data and procurement inputs, while

Qualifications

• Minimum 7–10+ years’ experience in Designing (Mechanical).
• Tertiary qualifications in Mechanical Engineering or a related discipline.
• AutoCAD 2D/3D drafting and design experience is essential.
• Good understanding of mechanical and piping fundamentals.
• Site/construction experience essential.
• Can coordinate with other disciplines and has experience working on multidisciplinary projects.

Responsibilities

• Own the full drawing deliverable scope on water and wastewater projects; manage drawing registers, revision control, QA processes and client submission packages.
• Coordinate and manage the production of the 3D model and 2D drawing packages; direct drafting staff and sub-contractors to complete documentation to the required standard.
• Prepare and maintain project-specific Digital Engineering Execution Plans (DEXP) and Master Information Delivery Plans (MIDP) and keep them current at every delivery milestone.
• Attend site to understand site conditions, resolve drawing queries and capture as-built information accurately.
• Perform ACC project audits at each delivery milestone including checking digital data housekeeping, drawing standards compliance and information completeness.
• Use Recap, LiDAR and point cloud data to accurately represent existing asset conditions in design models.
• Reviewing and signing off the work of Designers and Trainee Designers by providing direct, useful feedback and maintaining Atlas quality standards.
• Work with engineers to interpret design intent and translate it accurately into drawing and model deliverables that serve construction teams and asset owners.
• Exporting intelligent data from BIM models to support engineers with quantities, specifications and procurement inputs.
• Producing detailed 2D CAD drawings and 3D models for water and wastewater projects, working to client drawing office procedures, AS1100 and Atlas BIM standards.
• Creating 2D drawings from 3D models and modifying designs to solve problems, working within the constraints of live assets.

Skills

AutoCAD 2D/3D

Mechanical Engineering

Site/Construction experience

Coordination across disciplines

Education

Bachelor's degree in Mechanical Engineering

Tools

Autodesk ReCap

LiDAR

Plant 3D

Autodesk Revit

Recap

Job description

Atlas, part of the Sequana Group, is seeking a Senior Mechanical Designer/Drafter in Melbourne to own mechanical drawing deliverables for water and wastewater projects. You will manage 3D models, 2D drawings, and BIM compliance, coordinating with engineers and drafting staff to ensure high-quality outputs across project milestones.

You will contribute to DEXP/MIDP documentation, perform site visits, and support construction teams with accurate as-built data and procurement inputs, while