BIM Modeler – Bentley Infrastructure

ARX | smart minds; Toronto; Hybrid; CAD 70,000 - 110,000; Full time

Job summary

ARX is hiring a BIM professional for our Toronto team to develop and coordinate multidisciplinary infrastructure models within the Bentley ecosystem. You will advance models from LOD 100 to LOD 500 and support information-management workflows across projects.

The role requires strong modeling skills, BIM coordination expertise, and knowledge of ISO 19650. Fluency in English and legal work authorization in Canada are required.

Qualifications

• Bachelor's degree or technical qualification in Civil Engineering, Architecture, Construction Technology, Drafting or a related field.
• Minimum 3 years of professional BIM modeling experience for civil/infrastructure projects.
• Strong experience with Bentley OpenBuildings Designer and MicroStation.
• Good knowledge of Bentley OpenRoads/OpenTunnel Designer.
• Experience developing and coordinating complex 3D infrastructure models.

Responsibilities

• Develop and update parametric BIM models based on engineering drawings and BIM requirements.
• Support model development from LOD 100 to LOD 500, including geometry and information requirements.
• Produce engineering drawings and project deliverables from BIM models.
• Perform model federation, interdisciplinary coordination and clash detection.
• Identify and resolve modeling issues with BIM Coordinators and Project Engineers.
• Perform BIM QA/QC for geometry, attributes, classification and consistency.
• Manage model information per project BIM requirements and standards.
• Work within a Common Data Environment (CDE) and contribute to BIM information-management processes.

Skills

BIM modeling

Bentley OpenBuildings

MicroStation

LOD/LOI

English fluency

Education

Bachelor's degree in Civil Engineering or related

Tools

Bentley OpenBuildings Designer

MicroStation

OpenRoads/OpenTunnel

ProjectWise

iTwin/iModels

Job description

Make It Happen with ARX

We are a global network of smart minds in engineering and design, offering comprehensive consulting, project management, and technical services in more than 60 locations in five continents.

What truly sets us apart is our people. We believe the best ideas come from talented individuals working together in a culture of trust, collaboration, and continuous learning.

We're looking for curious explorers, ambitious thinkers and passionate professionals who are eager to contribute to meaningful projects and keep learning every step of the way.

As part of our team, you'll join an international, dynamic and supportive environment with opportunities to collaborate across disciplines and borders, take ownership and make a real impact.

Your ideas matter. Your growth matters. Your impact matters.

Join ARX and help build a smarter, more sustainable future.

To strengthen our North American BIM team and support major transportation and underground infrastructure projects:

ARX is seeking a BIM professional to join our team in Toronto with strong hands-on experience within the Bentley ecosystem, capable of developing and coordinating multidisciplinary infrastructure models and supporting their progression through different Levels of Development.

The successful candidate will combine strong modeling skills with an understanding of BIM coordination, information management and engineering workflows.

Duties & Responsibilities

• Develop and update parametric BIM models based on engineering drawings, sketches, specifications and BIM requirements.
• Support model development and progression from LOD 100 to LOD 500, including geometry and associated information requirements.
• Produce engineering drawings and other project deliverables derived from BIM models.
• Perform model federation, interdisciplinary coordination and clash detection.
• Identify and resolve modeling and coordination issues in collaboration with BIM Coordinators, BIM Managers and Project Engineers.
• Perform BIM model QA/QC, including geometry, attributes, classification and model consistency checks.
• Manage model information in accordance with project BIM requirements, naming conventions and established workflows.
• Support the development and maintenance of project templates, catalogs, libraries, WorkSets and modeling standards.
• Work within a Common Data Environment (CDE) and contribute to structured BIM information-management processes.

Qualifications

• Bachelor's degree or technical qualification in Civil Engineering, Architecture, Construction Technology, Drafting or a related field.
• Minimum 3 years of professional experience in BIM modeling for civil or infrastructure projects.
• Strong experience with Bentley OpenBuildings Designer and MicroStation.
• Good working knowledge of the Bentley infrastructure environment, including OpenRoads Designer and/or OpenTunnel Designer.
• Experience developing and coordinating complex 3D infrastructure models.
• Understanding of LOD/LOI, model federation, clash detection and BIM QA/QC processes.
• Ability to read and interpret civil, structural and multidisciplinary engineering drawings.
• Good understanding of BIM standards and information-management principles, including ISO 19650.
• Professional proficiency in English, other languages are a plus.
• Legally authorized to work in Canada.

Preferred Qualifications

• Experience in rail, metro, tunnel and other large-scale multidisciplinary infrastructure projects.
• Experience working on projects delivered according to Canadian or U.S. BIM/CAD standards.
• Knowledge of ProjectWise and Common Data Environment workflows.
• Experience with iTwin / iModels for model federation, review and coordination.
• Familiarity with OpenTunnel Designer.
• Experience with Bentley configuration environments, including WorkSpaces, WorkSets, catalogs and data-driven model objects.
• Familiarity with model progression toward LOD 400 / construction-level BIM deliverables.
• Proactive mindset, strong attention to detail and ability to work effectively within multidisciplinary and geographically distributed teams.

What We Offer

ARX offers a young and motivated working environment. At ARX, we believe in flexibility and empowering our team to work in a way that fosters productivity and work-life balance. We offer remote work options, allowing our engineers to collaborate seamlessly from home while staying connected with colleagues and clients. Whether in the office or working remotely, we provide the tools and support needed to deliver exceptional results. At ARX, you'll enjoy the freedom to manage your schedule while being part of a dynamic, forward-thinking team.

Moreover, we offer:

• Opportunity to work on major North American transportation and underground infrastructure projects.
• Exposure to advanced Bentley-based digital engineering and BIM workflows.
• A collaborative, international engineering culture with mentorship and leadership opportunities.
• Opportunities for professional development and technical specialization
• Competitive salary and benefits package.

Sector: Engineering

Role: Engineering / Design Engineering

Job type: Permanent job