Senior 12D Design Engineer

ACCIONA; Australia; Remote; AUD 130,000 - 180,000; Full time

Job summary

ACCIONA is seeking a Senior 12D Design Engineer to deliver civil infrastructure designs across Australia, focusing on road alignment and earthworks using 12D Model. You will collaborate with engineers, designers and stakeholders and contribute to multiple projects from offices in Sydney, Melbourne, Adelaide, Brisbane or Perth.

We value expertise in 12D, AutoCAD and OpenRoads, and a strong understanding of road design principles; equal opportunity employer.

Qualifications

• Tertiary qualifications in Engineering or equivalent.
• Strong proficiency in 12D Model with macro programming and snippets.
• Proven experience delivering 12D civil designs, especially road alignment.
• Solid understanding of road design principles and alignment methodologies.
• Strong interpersonal skills with stakeholders at all levels.
• Experience with OpenRoads or other design platforms considered.

Responsibilities

• Produce design models and documentation using 12D Model and AutoCAD.
• Develop innovative modelling solutions and stay current with industry tech.
• Engage with internal and external stakeholders to deliver cost‑effective outcomes.
• Collaborate to develop and maintain design and modelling standards.
• Identify risks, opportunities, and scope variances within works.
• Prepare design inputs for estimating activities and quantities.

Skills

12D Model

Road alignment

Design documentation

Stakeholder engagement

Macro programming

Snippet creation

Road design principles

Interpersonal skills

Education

Tertiary qualifications in Engineering

Tools

AutoCAD

OpenRoads

12D Model

Job description

Infraestructuras Western Australia 2026-10-08

ACCIONA is a global company, leading in the development of regenerative infrastructure that creates a positive impact on society. Our workforce consists of more than 65,000 professionals, present in more than 40 countries across the five continents, all contributing in our mission to design a better planet. Are you a passionate individual who wants to make a difference, promote sustainable development, and find solutions to the biggest global challenges including climate change, overpopulation, and water scarcity? Come and join us in building the infrastructure our planet needs to achieve a sustainable future.

Job Description

• Design and deliver civil infrastructure solutions using 12D Model, with a focus on road alignment and earthworks
• Collaborate with Engineers, designers, and stakeholders to produce practical, cost‑effective designs across multiple civil disciplines
• Flexible location across Sydney, Melbourne, Adelaide, Brisbane, or Perth.

The Opportunity

Due to continued strong growth and the award of several new projects supporting critical infrastructure across Australia we are seeking a Senior 12D Design Engineer with strong road alignment experience to join our team.

As a 12D Design Engineer, you will play a key role within our engineering team, delivering high‑quality designs using 12D Model software. Working collaboratively with Engineers and fellow designers, you will produce detailed designs across a range of civil disciplines, including earthworks, roads, drainage and stormwater, sewer, and water infrastructure.

This role offers flexibility of location and may be based in Acciona offices in Sydney, Melbourne, Adelaide, Brisbane, or Perth.

Key Accountabilities

• Produce design models and documentation using the latest versions of 12D Model and AutoCAD
• Develop innovative and efficient design modelling solutions, keeping pace with emerging industry technologies
• Engage with internal and external stakeholders to deliver practical, cost‑effective engineering outcomes
• Collaborate with other designers to develop, maintain, and improve design and modelling standards
• Identify and forecast risks, opportunities, and scope variances within assigned works
• Prepare design inputs for estimating activities, including quantities and take‑offs as required

Required Skills and Competencies

• Tertiary qualifications in Engineering or an equivalent discipline
• Strong proficiency in 12D Model, with experience in areas such as macro programming, snippet creation, and chains highly regarded
• Proven experience delivering 12D civil designs, particularly road alignment, within a design consultancy environment
• Solid understanding of road design principles and alignment methodologies
• Strong interpersonal skills with the ability to engage effectively with stakeholders at all levels
• Experience with alternative design platforms (e.g. OpenRoads) will also be considered for the right candidate.

ACCIONA has been given the Top Employer 2022, 2023, 2024 & 2025 certification in Australia, which certifies the company's commitment to excellence in human resources management and those who focus on putting their people first through their exceptional HR policies. Since establishing a presence in Australia in 2002, ACCIONA has made significant investments in local opportunities and project development. ACCIONA employs more than 3,000 people in its renewable energy, infrastructure and water projects across Australia & New Zealand.

We are an Equal Opportunity Employer and promote equality and diversity. Indigenous Australians and candidates from minority groups are encouraged to apply.