Senior As-Bulit BIM Modeller
Job Introduction
This role is responsible for leading the production, validation, and integration of Stage 5 and As-Built deliverables, ensuring full compliance with HS2’s BIM and As-Built specifications. Working under the direction of the As-Built BIM Manager and Area BIM Leads, this position supports model updates across shafts, headhouses, and associated assets, ensuring that live Project Information Models (PIMs) accurately reflect redlines, field changes, and progressive construction status.
Flexible working: We welcome you to ask about the flexibility you need. This might be part-time, remote working, or compressed hours for example. Anyone who applies for a role can ask about flexibility at interview. In return, we will explore what is possible for the role.
Role Responsibility
- Maintain and update live Stage 5 3D models in coordination with field, design, and supply chain teams, ensuring changes are validated and traceable.
- Lead the coordination and integration of as-constructed data including redlines, point clouds, FCDs, and survey outputs into the federated model.
- Ensure all model updates are in alignment with the HS2 As-Built Specification (HS2-HS2-IM-SPE-000-000009) and project BEP.
- Support DAC submissions by preparing graphical model data that meets required MPDT standards and is fully aligned to asset metadata and HS2’s AIM expectations.
- Guide and mentor junior modellers and technicians to maintain modelling consistency, naming standards, and graphical integrity.
- Drive issue resolution between construction and design inputs through active clash detection and model review cycles.
- Collaborate with Asset Information Coordinators to ensure asset relationships, classifications, and identifiers are correctly attributed and validated.
- Support fortnightly model review cycles, providing assurance documentation and inputs to design freeze processes.
- Liaise with ProjectWise and EMT systems to manage model uploads, status tracking, and evidence submissions.
The Ideal Candidate
Required Experience, Skills, Qualifications and Behaviours
- Minimum 5 years experience in BIM or CAD modelling on major infrastructure projects.
- Proven expertise in 3D modelling in Bentley AECOsim/OpenBuildings and use of ProjectWise CDE.
- Demonstrable knowledge of model governance, as-built integration, and field coordination workflows.
- Proficient in handling point cloud data and model-to-survey verification.
- Strong understanding of HS2 BIM requirements, PIM/AIM lifecycle, and DAC process.
- Capable of leading modelling workstreams and providing technical QA across multiple assets.
- Clear understanding of LoD, LoMI, and LoGD concepts.
- Familiarity with HS2’s MPDT, MIDP, and related digital standards (WI350, BEP).
Desirable
- Experience supporting digital handover or asset data verification on major rail or civils projects.
- Knowledge of IFC schema and model validation tools (e.g. Solibri, Navisworks).
- Background in Surveying or Construction Engineering is advantageous.
- Working knowledge of Enable My Team (EMT) and AssetWise workflows.
About the Company
The role will work on the HS2 project. HS2 is the UK’s new high speed rail network. It will be a catalyst for economic growth across Britain, freeing up space on the existing railways and connecting 8 out of the UK’s 10 biggest cities with fast, reliable and frequent high speed services
The Skanska | Costain | STRABAG (SCS JV) is delivering the HS2 London Tunnels Contract. Scope of works includes twin-bored tunnels (TBM), SCL tunnels, shaft sinking, bridge demolition and reconstruction, services diversions, earthworks and the construction of site compounds.
You’ll be a welcomed member of the wider team, with opportunities to take on additional responsibility, join one of our networks for women, military or LGBT+ staff, and participate in cultural and social events with the local community (e.g. as a STEM ambassador).
Your personal and professional development is important to us. We welcome a discussion about how we can support you with further study, or professional membership or attainment for example.
HS2 – working with Skanska, Costain and STRABAG, closely monitors job applications, to ensure an inclusive recruitment process. To ensure we are able to maintain this, and to recruit a diverse workforce, we require candidates to complete the diversity form as part of their application so we are able to monitor and improve our approach to diversity. Please note, all responses are anonymous and we will not share any of your data with other parties. All data will be held securely, (as stated within the Data Protection Act 1998) and will be reported to HS2.
It is an SCSJV requirement that all employees, Design House, and Supply Chains must implement and comply with the requirements of ISO 9001:2015 Quality Management System, ISO 14001:2015 Environmental Management System with guidance for use”, OHSAS 18001:2017 Occupational Health and Safety Management Systems and ISO/IEC 27001:2013 Information Security Management System, Policies, Plans, Procedures and Processes, and statutory requirements as they affect the Joint Venture ‘s operations and ensure that the requirements, as applicable within their discipline, are effectively implemented on the project. Develop a culture of safety on the project through the absolute commitment to the Zero Accidents target and ethos, and develops a wider awareness of quality, environmental issues and demonstrates commitment to achieve continual improvement and Zero tolerance.
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
SCS Railways is a Disability Confident Leader. We want to encourage disabled people to apply for our roles and have an opportunity to display your skills, talent, and abilities. We will ensure that a fair and proportionate number of disabled applicants that meet the minimum criteria for this position will be offered an interview.
Please see the disability confident commitments:
To be considered for an interview under this scheme you have:
- A physical or mental impairment, which has a substantial and long-term effect (over 12 months) adverse effect on your ability to carry out normal day-to-day activities
- Demonstrated in your application and pre-interview stage that you meet the minimum job criteria and person specification for the role
SCS Railways