Job Search

Senior-Principal Building Physics Engineer (DfP / NABERS / Apache HVAC)
London
Up to £68k

Are you a building performance expert ready to lead on some of the UK's most exciting low-energy projects? One of the UK's top multidisciplinary consultancies is looking for a Senior-Principal Building Physics Engineer to lead the delivery of Design for Performance (DfP) and NABERS UK modelling, with strong experience using Apache HVAC within IES-VE.

This is a rare opportunity to take a technical leadership role within a nationally recognised team delivering Net Zero strategies and operational energy modelling at the highest level.

The Role
* Lead on DfP and NABERS UK performance modelling across a wide portfolio of commercial and mixed-use developments
* Deliver detailed simulations using Apache HVAC in IES-VE to support operational energy assessments
* Coordinate with internal design teams, external consultants, and architects to influence design from early stage
* Develop and manage robust energy strategies that align with Net Zero Carbon and ESG frameworks
* Support certification processes and engagement with Independent Design Review (IDR) panels
* Mentor junior team members and contribute to service innovation and thought leadership

About You
* Strong experience with IES-VE, specifically Apache HVAC for operational energy modelling
* Proven experience delivering NABERS UK and DfP models to industry benchmarks
* In-depth knowledge of UK Building Regulations, Part L, TM54, and energy compliance pathways
* Excellent communicator, confident engaging with design teams, developers, and certifiers
* Experience leading projects and supporting business development is a plus
* Passionate about driving down operational energy use and promoting performance-led design

Why Join?
* Play a lead role in advancing operational energy modelling at a national level
* Work in a flexible, hybrid environment with offices across the UK
* Join a growing sustainability team with a strong pipeline of commercial and complex projects
* Benefit from structured progression, training support, and a highly collaborative culture

Interested in shaping how buildings perform, not just how they look? Get in touch or apply today.

Whether you're working in the larger corporate companies or a small SME this is certainly one to take note of. Please don't hesitate to apply or get in touch for further info on the email below, we can arrange a confidential conversation anytime to suit you.

Your expert recruitment consultant is Lakshman Sivanesan, call today on 0207 422 7463 or email [email protected] Eden Brown is committed to equality in the workplace and is an equal opportunity employer.

Eden Brown is committed to equality in the workplace and is an equal opportunity employer.

Senior-Principal Passivhaus Consultant
London
Up to £68k

Join one of the UK's leading multidisciplinary consultancies and play a key role in delivering the next generation of ultra-low energy buildings. This is an exciting opportunity for a Senior or Principal Passivhaus Consultant to help grow and lead a specialist service within a national consultancy known for its technical excellence, collaborative culture, and strong sustainability credentials.

The Opportunity:
You'll be a subject matter expert in Passivhaus and EnerPHit methodologies, responsible for leading design advice and certification strategies on both residential and non-residential projects. This role offers a high degree of autonomy and the chance to shape how Passivhaus principles are integrated into major UK developments.

What You'll Be Doing:
* Leading the delivery of Passivhaus and EnerPHit projects from concept to certification
* Advising clients, architects, and design teams on fabric-first, low-energy design strategies
* Coordinating PHPP modelling, thermal bridging, airtightness, and MVHR design inputs
* Managing and reviewing submissions for Passivhaus certification
* Supporting the wider sustainability team on Net Zero Carbon and Whole Life Carbon strategies
* Representing the business at design team meetings and industry events
* Mentoring junior team members and contributing to thought leadership

About You:
* Certified Passivhaus Designer or Consultant, with several projects delivered to certification
* Strong working knowledge of PHPP, thermal bridge analysis (e.g., THERM), and airtightness detailing
* Experience engaging with architects and clients to influence low-energy design
* Ability to lead projects independently and contribute to business development
* Excellent communication skills and a genuine passion for sustainable, high-performance buildings

Why Join?
* Be part of a fast-growing sustainability team within an established, multidisciplinary consultancy
* Work on a wide range of high-profile, impactful projects across the UK
* Enjoy flexible working, excellent progression opportunities, and support for further qualifications
* Help shape the future of Passivhaus delivery within a collaborative, people-first business

Ready to lead the charge on Passivhaus design? Apply now or get in touch to learn more.

Whether you're working in the larger corporate companies or a small SME this is certainly one to take note of. Please don't hesitate to apply or get in touch for further info on the email below, we can arrange a confidential conversation anytime to suit you.

Your expert recruitment consultant is Lakshman Sivanesan, call today on 0207 422 7463 or email [email protected] Eden Brown is committed to equality in the workplace and is an equal opportunity employer.

Eden Brown is committed to equality in the workplace and is an equal opportunity employer.

Senior / Principal Building Physics Engineer - International Projects
London, UK
Up to £65k

Join a leading global planning and engineering consultancy with a strong presence in the UK and the Middle East. Our London office is seeking a dynamic and experienced Senior / Principal Building Physics Engineer to contribute to innovative building services projects across diverse sectors.

About Us:
With over 20 years of experience in the UK and a global team of 6,000+ professionals, we deliver integrated engineering solutions across civil, structural, building services, façade, and related disciplines. Our London office, located in the heart of the city, fosters a collaborative and supportive work environment, emphasising both professional excellence and employee well-being.

Role Overview:
As a Senior / Principal Building Physics Engineer, you will be involved in all design stages of projects, from early-stage concept development to detailed design and construction. Your role will involve close collaboration with clients, architects, and multidisciplinary teams to deliver sustainable and high-performance building solutions.

Key Responsibilities:
* Lead building physics analyses, including energy modeling, thermal comfort assessments, and daylight simulations.
* Engage directly with clients, providing expert advice and building strong relationships.
* Participate in design team meetings, confidently presenting and challenging design concepts to ensure optimal outcomes.
* Collaborate with architects and engineers to integrate sustainable design strategies into projects.
* Mentor junior team members, fostering a culture of continuous learning and development.

Qualifications:
* Proven experience in building physics engineering, with a strong portfolio of completed projects.
* Proficiency in relevant simulation tools (e.g., IES-VE).
* Excellent communication skills, with the ability to articulate complex concepts to diverse audiences.
* A proactive approach to problem-solving and a commitment to sustainable design principles.

Why Join Us:
* Be part of a globally recognised consultancy with a diverse project portfolio in the UK and the Middle East.
* Work in a modern, centrally located London office designed to promote collaboration and well-being.
* Engage in a culture that values innovation, professional growth, and community involvement.
* Enjoy a supportive environment that encourages work-life balance and continuous development.

If you're ready to take your career to the next level and make a meaningful impact on sustainable building design, we invite you to apply.

Whether you're working in the larger corporate companies or a small SME this is certainly one to take note of. Please don't hesitate to apply or get in touch for further info on the email below, we can arrange a confidential conversation anytime to suit you.

Your expert recruitment consultant is Lakshman Sivanesan, call today on 0207 422 7463 or email [email protected] Eden Brown is committed to equality in the workplace and is an equal opportunity employer.

Eden Brown is committed to equality in the workplace and is an equal opportunity employer.