Senior Energy Engineer

Senior Energy Engineer - Siemens Smart Infrastructure

Location:

This is a home-based role with travel to customer sites across the UK.

• Design and deliver integrated energy solutions, including energy efficiency (demand‑side), on‑site generation (supply‑side) and heat electrification (e.g., heat pumps).
• Conduct investment‑grade energy audits, site assessments, and data analysis.
• Develop energy models and simulations to quantify savings and performance.
• Assess technical feasibility, risk and supply chain requirements.
• Produce business cases and investment proposals.
• Lead client engagement from operational teams through to C‑suite stakeholders.
• Develop designs for supply (on‑site generation), demand side (energy efficiency) and heat electrification solutions aligned to RIBA stages and produce technical documentation, project development reports and specifications.
• Create Measurement & Verification plans to guarantee savings.
• Integrate solutions using digital platforms and data‑driven insights.
• Stay up to date with low‑carbon technologies, funding schemes and best practice.

• Engineering degree (or equivalent experience).
• Experience delivering energy / decarbonisation solutions in industries and commercial buildings, developing multi‑technology solutions in areas such as space/process heating & cooling, lighting, metering, Solar Photovoltaic and BMS.
• Strong knowledge of HVAC, BMS and energy efficiency technologies and experience with heat pumps and electrification of heat.
• Background in MEP / building services design with proven experience in Energy Performance Contracts with design and build project development responsibilities.
• Experience with energy audits, modelling and feasibility studies.

• Knowledge of renewables (e.g., Solar PV, energy storage) and heat pump applications.
• Exposure to Energy Performance Contracts (EPCs) and M&V.
• Experience in industrial/process environments.
• Familiarity with funding schemes (Salix, PSDS) and industry standards (RIBA, ASHRAE).
• Certified Energy Manager or CMVP qualification.
• Proven client‑facing experience with ability to support business cases.

• Performance‑Based Bonus: Enjoy an annual bonus linked to the company's performance.
• Flexible
  
  Working Hours:
  
  Achieve a healthy work‑life balance with our flexible working arrangements.
• Pension Plan: Secure your future with our generous pension scheme, with employer contributions up to 10%.
• Time Off: Recharge and rejuvenate with 26 days of annual leave (plus bank holidays), and the option to buy or sell an additional 5 days.

We are fully committed to providing equal opportunities and building an inclusive workplace where a broad range of backgrounds and perspectives thrive. We embrace the many ways people think, learn, and experience the world—because we know that diverse minds drive innovation. So that we can support you to be your best during the application and interview process, please let us know if you have any specific requirements.