Senior​/Principal HVAC Engineer - Nuclear

Job Description Overview We’re looking for a Senior / Principal HVAC Engineer to join our Nuclear team, bringing technical expertise and thoughtful leadership to the delivery of complex HVAC solutions across safety-critical projects. You’ll work collaboratively with clients and multidisciplinary teams to solve challenging engineering problems and develop solutions that are safe, robust, compliant and practical to deliver. This is an opportunity to contribute across the full project lifecycle, from feasibility and concept through FEED and detailed design to construction and commissioning.

Alongside your technical contribution, you’ll have opportunities to guide others, share your knowledge and help develop capability across the team. Your initial focus will be supporting a major project in Canada, with opportunities to travel and work alongside the client team when required.

As a Senior / Principal HVAC Engineer, you’ll bring together technical expertise, collaboration and engineering leadership to deliver high-quality solutions across nuclear and power projects. You’ll:

• Apply your HVAC expertise, particularly across ventilation and chilled water systems, to support technically complex and safety-critical projects.
• Lead and contribute to HVAC design across the project lifecycle, including feasibility, concept design, FEED, detailed design, construction and commissioning.
• Work closely with clients and multidisciplinary teams to develop effective engineering solutions across major nuclear projects and emerging areas such as Small Modular Reactors and Nuclear Fusion.
• Provide technical leadership, supporting design reviews, technical decision-making, risk management and change control.
• Lead and coordinate design teams, including engineers and BIM modellers with different levels of experience.
• Manage interfaces between HVAC and disciplines including piping, process engineering, civil, structural, architectural, fire, electrical and C&I.
• Support engineering delivery across different building types, particularly within complex industrial or power environments.
• Build trusted relationships with clients and stakeholders, bringing people together to resolve technical challenges and achieve positive project outcomes.
• Contribute to bids, proposals and safety initiatives while helping us identify opportunities to improve how we deliver.
• Share your experience and support the development of early career engineers, helping build capability and confidence across the wider team.

We take a strengths-based approach, focusing on what you bring and how you can continue to grow and thrive with us. You don’t need to match every point perfectly, and we’d encourage you to apply if you believe your experience could add value to the team. You may recognise yourself in some of the following:

• You bring strong experience in HVAC engineering, particularly ventilation and chilled water design, within complex, safety-regulated or multidisciplinary environments.
• You hold Chartered or Incorporated status with a recognised professional institution, or bring comparable relevant experience.
• You enjoy applying your technical knowledge to solve problems, guide decisions and support successful project outcomes.
• You’re comfortable contributing at Senior or Principal level and taking responsibility for aspects of technical design and delivery.
• You value collaboration and bring a thoughtful and inclusive approach to working with multidisciplinary teams.
• You communicate clearly and enjoy building positive relationships with colleagues, clients and stakeholders.
• You may have experience supporting construction activities and responding to technical queries from live construction sites, alongside an understanding of civil and…