Building Performance Technical Manager

SES Engineering Services are looking for a Building Performance Technical Manager to join our team in London, supporting projects across our South Region. If you are passionate about sustainability, building performance, and driving technical excellence, and are looking for an opportunity to challenge the norm, influence design outcomes, and help shape the future of performance-led engineering, join us and help create tomorrow together. This is an exciting opportunity to play a key role in delivering innovative, high-quality, and compliant building performance solutions across a diverse portfolio of projects.

About The Role

Our Building Performance Technical Managers are a vital part of our technical community, ensuring the delivery of best-in-class building performance and building physics engineering across our bids and live projects. In this role, you will act as a subject matter expert, driving performance-led design, supporting sustainability objectives, and ensuring technical excellence across multiple projects. As our Building Performance Technical Manager, you will:

• Act as a technical expert across bids and projects, ensuring compliant, innovative, and best-value solutions
• Deliver and review building performance analysis including energy, carbon modelling, and dynamic thermal simulation
• Support bid teams by developing technical strategies, identifying risks, and contributing to winning submissions
• Undertake project technical reviews to optimise performance, reduce risk, and drive value
• Manage and engage with specialist consultants to ensure delivery aligns with programme and performance requirements
• Provide technical assurance against certification schemes such as NABERS, BREEAM, WELL, and Passivhaus
• Collaborate with design, commercial, and project teams to embed performance strategies into delivery
• Support the development of building performance capability across the business through mentoring and knowledge sharing
• Contribute to the ongoing development of SES's building performance strategy and value proposition

What We Are Looking For

• Strong expertise in building performance, building physics, and performance-led design
• Experience in energy modelling, dynamic simulation, and carbon analysis
• Knowledge of certification schemes such as NABERS, BREEAM, WELL, or Passivhaus
• Strong understanding of UK Building Regulations, environmental standards, and digital engineering practices (BIM, digital twins)
• Experience working across multiple projects in a technical leadership or coordination role
• Ability to influence design outcomes and collaborate effectively with internal and external stakeholders
• Strong communication skills with the ability to present complex technical information clearly
• Degree-qualified in a relevant discipline (or equivalent experience), with professional membership (e.g. CIBSE) desirable

What We Offer

• Competitive salary & profit share scheme
• Flexible working
• Car Allowance / Company Car (subject to Role/Grade)
• Travel covered to any of our sites (subject to HMRC advisory rates)
• Extensive corporate benefits including Private Medical, Pension (6% employer contribution), Health & Wellness programme, 26 days holiday + bank holidays and more
• Excellent learning and development opportunities to support your career progression
• Industry-leading family leave policies

To find out more about life at SES Engineering Services, please visit the SES careers website.

SES are committed to the fair treatment of people with criminal records, including employees and applicants. This role may require a Basic DBS check at offer stage. Applicants with convictions will be assessed fairly and individually.

We are an equal opportunities employer and proud to be recognised for our inclusive culture, including Investors in People Gold and Disability Confident status. As a family-owned business, we value long-term relationships and creating opportunities for our people to thrive.

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