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Job Description
What will you be doing?
ALTEN UK is seeking skilled and motivated HVAC Designers / 3D Modelers to support the HPC Nuclear Island project, contributing to one of the most significant low-carbon energy programmes in the UK. This design-focused role involves the 3D modelling and integration of HVAC systems within a nuclear facility, offering you the opportunity to work on high-integrity, safety-critical infrastructure in collaboration with international teams.
Your main responsibilities will be:
- Design and model HVAC systems in 3D using SolidWorks, in accordance with nuclear industry standards
- Develop and maintain accurate models, layouts, and assemblies for HVAC networks within the facility
- Collaborate closely with mechanical and multidisciplinary engineering teams to ensure integration of systems
- Generate supporting documentation including detailed drawings, bills of materials (BoMs), and installation guidance
- Conduct design reviews and address technical queries or non-conformities throughout the project lifecycle
- Ensure all work complies with safety, quality, and regulatory requirements
- Travel to international sites (including Finland and the US) for training, coordination, and design alignment activities
You are...
- Passionate about engineering
- Detail-oriented and quality-driven
- A strong communicator and effective team collaborator
Desirable Skills:
- Previous experience in the nuclear, energy, or heavy infrastructure sectors
- Familiarity with BIM workflows and product data management (PDM) systems
- Ability to convert between metric and imperial units for cross-border coordination
Qualifications
Experience, skills and qualifications required:
- 3–5 years of experience in mechanical design and 3D modelling, preferably within regulated or industrial environments
- Proficient in SolidWorks, with a strong foundation in HVAC layout and system design
- Familiarity with HVAC principles, mechanical standards, and system integration constraints in complex facilities
- Ability to develop and manage detailed HVAC system documentation including models, drawings, and BoMs
- Experience working in large-scale infrastructure or energy sector projects
- Comfortable working in a collaborative, multidisciplinary environment
- Willingness to travel internationally for project support and training
Additional Information
Why join us?
We foster a community of dually talented individuals who are both entrepreneurs and technology specialists. Our teams embody the spirit of innovation and entrepreneurship, enabling us to develop solutions most efficiently.
Our commitment to sustainable growth is unwavering, and we continuously strive for accelerated transformation and continuous improvement. Through ALTEN labs, mentoring programs, internal universities, and more, we are always pushing boundaries and embracing new possibilities.
We offer incredible opportunities to join inspiring projects in the most innovative companies.
We prioritise your career development with personalised support plans tailored to your own aspirations. We're here to empower you and help you reach your full potential.
Join our passionate team and start building tomorrow, today!
In short you get:
- A personalised career path and a rewarding management style
- A chance to work on the most exciting engineering projects and technologies along with Premium Customers
- A huge diversity of engineering projects and industries
- A competitive salary
- Private Medical & Travel Insurance
- Pension Scheme
- Cycle-to-work Scheme among many additional benefits
- Social atmosphere, regular gatherings, and team buildings
- Flexible way of working (role dependent)
