Associate Director Of Energy

Osashi LTD; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Osashi LTD in London is seeking an Associate Director/Head of Energy to lead its energy modelling and building performance team. The role requires hands-on IES VE expertise, dynamic thermal simulation and strong technical leadership.

You will oversee TM54/TM52/TM59 analyses, Part L compliance modelling and support net-zero strategies while managing client relationships and project delivery. Chartered status desirable.

Qualifications

• Significant experience in energy modelling and building physics.
• Extensive practical expertise in IES VE and its modules.
• Strong knowledge of UK building regulations and energy assessment methodologies.
• Proven technical leadership, project management and client-facing experience.

Responsibilities

• Lead and develop the energy modelling team and service offering.
• Oversee complex energy modelling and dynamic thermal simulation using IES VE.
• Deliver energy strategies, overheating assessments, TM54/TM52/TM59 analysis and Part L compliance modelling.
• Support net-zero carbon strategies and building performance optimisation.
• Manage client relationships, project delivery, budgets and business development.
• Provide technical guidance, quality assurance and mentoring to engineers.

Skills

Energy modelling

Team leadership

Project management

Client relationships

Education

Engineering or Building Physics degree

Chartered engineer desirable

Tools

IES VE

Job description

Associate Director / Head of Energy

An established building services consultancy is seeking an experienced Associate Director-level Head of Energy to lead its energy modelling and building performance team.

The role requires extensive hands‑on experience with IES VE, dynamic thermal simulation and building energy modelling, alongside strong technical leadership and commercial awareness.

Key Responsibilities

• Lead and develop the energy modelling team and service offering.
• Oversee complex energy modelling and dynamic thermal simulation using IES VE.
• Deliver energy strategies, overheating assessments, TM54/TM52/TM59 analysis and Part L compliance modelling.
• Support net‑zero carbon strategies and building performance optimisation.
• Manage client relationships, project delivery, budgets and business development.
• Provide technical guidance, quality assurance and mentoring to engineers.

Requirements

• Significant experience in energy modelling and building physics.
• Extensive practical expertise in IES VE and its relevant modules.
• Strong knowledge of UK building regulations and energy assessment methodologies.
• Proven technical leadership, project management and client‑facing experience.
• Relevant engineering or building physics degree; chartership desirable.

Target Profile: Associate Director, Technical Director, Principal Engineer or Senior Energy Modelling Consultant with extensive IES VE expertise and the ability to lead a team and grow an energy modelling service