Principal Transport Designer — 12D/BIM Lead, NSW

SMEC (An SJ Group Company); Sydney; On-site; AUD 150,000 - 230,000; Full time

Job summary

SMEC (An SJ Group Company) is seeking a Principal 12D Designer to join the Sydney Transport team, leading civil and transport design across major road, rail and multidisciplinary programs in NSW and ANZ.

This role requires 15+ years of civil/transport design experience with 12D and AutoCAD expertise, strong communication, and a passion for innovation as part of a global engineering consultancy.

Qualifications

• 15+ years of experience in civil/transport design.
• Expertise in 12D, AutoCAD and 3D modelling.
• Strong communication across multidisciplinary teams.
• Advanced problem-solving and analytical abilities.
• Passion for innovation and continuous improvement.

Responsibilities

• Lead civil and transport design packages across complex, large-scale infrastructure projects
• Drive best-practice application of 12D, ensuring quality, accuracy and seamless integration with BIM and project workflows
• Mentor designers and contribute to building a high-performance technical culture
• Collaborate closely with engineers, digital specialists and key project partners
• Influence project design outcomes and provide expert technical guidance to clients

Skills

12D design

AutoCAD

3D modelling

Team leadership

Communication

Analytical thinking

Job description

SMEC (An SJ Group Company) is seeking a Principal 12D Designer to join the Sydney Transport team, leading civil and transport design across major road, rail and multidisciplinary programs in NSW and ANZ.

This role requires 15+ years of civil/transport design experience with 12D and AutoCAD expertise, strong communication, and a passion for innovation as part of a global engineering consultancy.