Senior Energy Engineer
About Dalkia UK
At Dalkia, we're driven by a shared purpose: tackling climate change and building a better, more sustainable future. We bring together talented people who share knowledge, challenge each other and grow together.
Backed by EDF, Britan's biggest generator of low carbon electricity, we're a people-first culture. With 5,000+ employees and £600m+ turnover, we combine the strength of a major group with a great culture, innovative mindset and inclusive values making Dalkia a great place to work and grow your career.
Senior Energy Engineer
Location: London
Shape the Future of Decarbonisation
We're looking for a Senior Energy Engineer to play a key role in the development and delivery of complex energy performance and decarbonisation projects across the UK. This is an exciting opportunity to work across the full project lifecycle, from initial audits and feasibility studies through to construction verification and post-installation performance validation.
You'll collaborate with clients, design teams, contractors, and internal stakeholders to develop practical, buildable energy solutions that deliver measurable savings and long-term value.
The Role
As a Senior Energy Engineer, you will lead and support the technical development of energy efficiency and low-carbon projects, ensuring solutions are technically robust, financially viable, and aligned with client objectives.
You will be responsible for producing high-quality energy studies, developing investment-grade proposals, supporting funding applications, and validating project performance outcomes.
Key Responsibilities
What We're Looking For
If you're passionate about energy efficiency, decarbonisation, and delivering measurable results for clients, we'd love to hear from you. Join Dalkia Energy Services and help shape a more sustainable future.
Our Values
People First – It starts with health, safety and wellbeing
Better Together – A collaborative team
Trusted Partners – Dedicated to our clients' success
Taking Responsibility – Making a positive difference
Equity, Diversity & Inclusion
We're committed to an inclusive and fair recruitment process. If you need any adjustments please let us know, in confidence, our team is here to support you.
At Dalkia, we're driven by a shared purpose: tackling climate change and building a better, more sustainable future. We bring together talented people who share knowledge, challenge each other and grow together.
Backed by EDF, Britan's biggest generator of low carbon electricity, we're a people-first culture. With 5,000+ employees and £600m+ turnover, we combine the strength of a major group with a great culture, innovative mindset and inclusive values making Dalkia a great place to work and grow your career.
Senior Energy Engineer
Location: London
Shape the Future of Decarbonisation
We're looking for a Senior Energy Engineer to play a key role in the development and delivery of complex energy performance and decarbonisation projects across the UK. This is an exciting opportunity to work across the full project lifecycle, from initial audits and feasibility studies through to construction verification and post-installation performance validation.
You'll collaborate with clients, design teams, contractors, and internal stakeholders to develop practical, buildable energy solutions that deliver measurable savings and long-term value.
The Role
As a Senior Energy Engineer, you will lead and support the technical development of energy efficiency and low-carbon projects, ensuring solutions are technically robust, financially viable, and aligned with client objectives.
You will be responsible for producing high-quality energy studies, developing investment-grade proposals, supporting funding applications, and validating project performance outcomes.
Key Responsibilities
- Lead the delivery of Investment Grade Audits (IGA) and Investment Grade Proposals (IGP).
- Undertake detailed energy audits across a range of building and infrastructure portfolios.
- Identify and evaluate energy conservation measures including:
- HVAC systems
- Lighting upgrades
- Building fabric improvements
- Metering and controls
- Central plant optimisation
- Renewable energy technologies
- Carry out energy modelling, feasibility studies, and technical assessments.
- Develop a heat decarbonisation plan, determine and size low carbon solutions.
- Analyse complex energy consumption data, load profiles, and performance trends.
- Calculate carbon savings, energy reductions, project costs, and return on investment.
- Support the preparation and submission of funding applications.
- Produce high-quality technical reports, business cases, and client presentations.
- Liaise with clients, consultants, contractors, and suppliers throughout project delivery.
- Support design reviews, construction verification activities, and post-project measurement and verification.
- Ensure compliance with current legislation, industry standards, and best practice guidance.
- Travel to client sites across the UK as required.
What We're Looking For
- Degree qualified in Energy Engineering, Mechanical Engineering, Building Services Engineering, or a related discipline.
- Significant experience within an Energy Performance Contractor (EPC), energy consultancy, decarbonisation consultancy, or similar environment.
- Strong background delivering energy audits, feasibility studies, and decarbonisation projects within operational buildings.
- Experience developing investment-grade business cases and technical proposals.
- Strong understanding of energy conservation measures and carbon reduction strategies.
- Experience analysing energy data and producing actionable recommendations.
- Proven report writing and stakeholder engagement skills.
- Project management experience with the ability to manage multiple workstreams.
- Willingness to travel.
- Professional membership with the Energy Institute (EI), CIBSE, IET, or equivalent.
- Experience supporting or delivering Public Sector Decarbonisation Scheme (PSDS) projects.
- Knowledge of Measurement & Verification (M&V) methodologies.
- Experience within healthcare, education, local authority, commercial, or industrial environments.
- Energy modelling software experience and familiarity with building performance analysis tools.
If you're passionate about energy efficiency, decarbonisation, and delivering measurable results for clients, we'd love to hear from you. Join Dalkia Energy Services and help shape a more sustainable future.
Our Values
People First – It starts with health, safety and wellbeing
Better Together – A collaborative team
Trusted Partners – Dedicated to our clients' success
Taking Responsibility – Making a positive difference
Equity, Diversity & Inclusion
We're committed to an inclusive and fair recruitment process. If you need any adjustments please let us know, in confidence, our team is here to support you.