Strong understanding of HVAC systems and building services coordination.
Experience in family creation and editing.
Knowledge of shared parameters, worksets, templates, and BIM standards.
Good understanding of clash detection and coordination processes.
Ability to mentor and support junior BIM professionals.
Capability to manage multiple project deliverables simultaneously.
Responsibilities
Develop and maintain accurate HVAC Revit models across all project stages.
Produce detailed BIM models covering chilled water systems, condenser water systems, air handling units, fan coil units, supply, return, extract and fresh air ductwork systems, smoke extract and pressurization systems, VRF and split air conditioning systems, district cooling interfaces, and plantroom and roof-level equipment layouts.
Ensure BIM models comply with project BIM Execution Plans, modelling standards, and Level of Information Need requirements.
Assist the HVAC BIM Coordinator in preparing models for clash detection and coordination reviews.
Implement coordination comments, design revisions, and clash resolution updates accurately and promptly.
Maintain model health and integrity through routine audits and quality checks.
Generate project documentation including general arrangement drawings, shop drawings, sections and details, equipment schedules, and duct and pipe annotation drawings.
Coordinate closely with Mechanical Engineers, BIM Coordinators, Architects, Structural Engineers, and other MEP disciplines.
Ensure all deliverables are completed within agreed project timelines and quality standards.
Manage assigned project model packages with minimal supervision.
Escalate modelling and coordination issues to the BIM Coordinator proactively.
Promote collaboration, accountability, and technical excellence within project teams.
Support knowledge-sharing initiatives and contribute to team development.
Maintain proficiency in Revit MEP and associated BIM technologies.
Ensure models are technically accurate, coordinated, and aligned with project requirements.
Participate in clash resolution and multidisciplinary coordination activities.
Stay informed of industry best practices, BIM standards, and emerging technologies.
Support implementation of ISO 19650 information management principles and Common Data Environment workflows.
Deliver BIM models in accordance with company standards and client requirements.
Perform model audits and quality reviews.
Verify completeness and accuracy of drawings, schedules, and model outputs.
Ensure consistent application of BIM standards across assigned projects.
Conduct all work in a safe and responsible manner.
Comply with Health, Safety & Environment policies and procedures.
Report hazards, incidents, and safety concerns promptly.
Adhere to project-specific safety and quality requirements.
Job Description
The primary purpose of this role is to support the delivery of HVAC Building Information Modelling (BIM) services through the development, coordination, and management of high-quality Revit models across a range of building services projects. The Senior BIM Modeller will be responsible for the day-to-day production of detailed HVAC models, ensuring compliance with project BIM standards, Level of Information Need (LOIN) requirements, and BIM Execution Plans (BEPs).
The role also provides technical support and guidance to junior team members, ensuring modelling outputs meet project quality standards while facilitating effective multidisciplinary coordination.
Core Responsibilities
Develop and maintain accurate HVAC Revit models across all project stages.
Produce detailed BIM models covering:
Chilled Water Systems
Condenser Water Systems
Air Handling Units (AHUs)
Fan Coil Units (FCUs)
Supply, Return, Extract and Fresh Air Ductwork Systems
Smoke Extract and Pressurization Systems
VRF and Split Air Conditioning Systems
District Cooling Interfaces
Plantroom and Roof-Level Equipment Layouts
Ensure BIM models comply with project BIM Execution Plans (BEPs), modelling standards, and Level of Information Need (LOIN) requirements.
Assist the HVAC BIM Coordinator in preparing models for clash detection and coordination reviews.
Implement coordination comments, design revisions, and clash resolution updates accurately and promptly.
Maintain model health and integrity through routine audits and quality checks.
Generate project documentation including:
General Arrangement Drawings
Shop Drawings
Sections and Details
Equipment Schedules
Duct and Pipe Annotation Drawings
Coordinate closely with Mechanical Engineers, BIM Coordinators, Architects, Structural Engineers, and other MEP disciplines.
Ensure all deliverables are completed within agreed project timelines and quality standards.
Manage assigned project model packages with minimal supervision.
Escalate modelling and coordination issues to the BIM Coordinator proactively.
Qualifications
Key Result Areas
Company Values & Leadership
Demonstrate behaviours consistent with company values and professional standards.
Promote collaboration, accountability, and technical excellence within project teams.
Support knowledge-sharing initiatives and contribute to team development.
Technical Excellence
Maintain proficiency in Revit MEP and associated BIM technologies.
Ensure models are technically accurate, coordinated, and aligned with project requirements.
Participate in clash resolution and multidisciplinary coordination activities.
Stay informed of industry best practices, BIM standards, and emerging technologies.
Support implementation of ISO 19650 information management principles and Common Data Environment (CDE) workflows.
Quality & Project Delivery
Deliver BIM models in accordance with company standards and client requirements.
Perform model audits and quality reviews.
Verify completeness and accuracy of drawings, schedules, and model outputs.
Ensure consistent application of BIM standards across assigned projects.
Health, Safety & Environment
Conduct all work in a safe and responsible manner.
Comply with Health, Safety & Environment policies and procedures.
Report hazards, incidents, and safety concerns promptly.
Adhere to project-specific safety and quality requirements.
Key Role Skills
Advanced proficiency in Autodesk Revit MEP.
Strong understanding of HVAC systems and building services coordination.
Experience in family creation and editing.
Knowledge of shared parameters, worksets, templates, and BIM standards.
Good understanding of clash detection and coordination processes.
Strong communication and collaboration skills.
Excellent attention to detail and quality control.
Problem-solving and analytical skills.
Ability to mentor and support junior BIM professionals.
Capability to manage multiple project deliverables simultaneously.
Additional Information
Equality, Diversity & Inclusion
We are an Equal Opportunities employer and we strive to build a workforce that truly reflects the communities we represent. We welcome candidates from all backgrounds, regardless of age, disability, gender, gender identity, gender expression, race, religion or belief, sexual orientation, socioeconomic background, and any other protected characteristic. If you decide to apply for an opportunity with us, your application will be assessed based purely on your experience, the essential and desirable criteria, and your suitability for the role. We value each and every one’s contribution as this builds our culture and means that if you work with us, you will be included, listened to, and respected.
H.W. Lochner has completed its rebrand as Egis following their merger in July 2025, creating a unified US infrastructure business with over 1,500 professionals across 70 offices.
The combined organisation offers services across transportation, water, energy and environmental infrastructure. It integrates Lochner's 80-plus years of US infrastructure experience with Egis' global expertise in architecture, consulting, construction engineering, operations and mobility.
Globally, Egis operates in 70 countries with approximately 23,500 employees. The company ranks 17th on Engineering News-Record's Top 225 International Design Firms list and seventh in transportation.
Laurent Germain, Egis Group CEO, said the rebrand strengthens their US market position and enables them to leverage their global network to address complex client challenges.
Lochner, an Egis Group company, has appointed Karen Wiemelt to its Board of Directors. Wiemelt brings over 35 years of leadership experience in the nuclear and energy sectors, with expertise in programme management, environmental remediation and strategic planning.
Wiemelt previously served as Senior Vice President and General Manager at Jacobs, where she led the company's global Energy, Security and Technology business unit. In that role, she managed a portfolio exceeding $1.5 billion in annual revenue and over 8,000 employees worldwide. She has also served on numerous industry and corporate boards.
Founded in 1944, Lochner merged with Egis Group in July 2025, positioning it as the cornerstone of Egis' US growth strategy. Wiemelt holds a Bachelor of Science degree in Chemical Engineering from the Colorado School of Mines.
CHICAGO, Nov. 24, 2025 /PRNewswire/ -- Egis, a global leader in architecture, consulting, construction engineering, operations, and mobility services, has acquired RockSol Consulting Group, Inc., a Colorado-based transportation infrastructure firm specializing in engineering, planning, environmental compliance, design, construction management, inspection, and materials testing. The acquisition strengthens Egis' transportation market position in the fast-growing Mountain States and West region of the U.S. Founded in 1996 and headquartered in Thornton, Colorado, RockSol is known for the highest standard of reliability and quality in delivering highway, bridge, transit, and public works projects that enhance safety, preserve environmental resources, and improve communities. With more than 240 employees, RockSol serves municipalities, counties, state Departments of Transportation, and federal civilian agencies throughout the Western U.S. "We warmly welcome President and Founder Saeid Saeb and our new colleagues from RockSol," said Terry Ruhl, Chief Executive Officer of Egis in the U.S
/CNW/ - Egis, a global leader in architecture, consulting, construction engineering, operations and mobility services, has acquired Ecometrix, a leading...
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