Due to an influx of new and exciting client wins, we are expanding our Energy Projects Team at Boxfish — a Top 10 Energy & Utility Consultancy, headquartered in Glasgow.

We’re looking for a talented Senior Energy Engineer & ESOS Lead Assessor to join the team and help us deliver a range of energy, carbon and sustainability related projects across the UK.


  • Experience of delivering a range of technical projects related to energy efficiency, renewable and low carbon technologies, utility infrastructure, sustainability and net-zero planning.
  • Previous experience of helping clients achieve compliance with ESOS at some level and be comfortable consulting on other energy/carbon/environmental legislation such as SECR would be advantageous – an ESOS Lead Assessor would be ideal but we would support the right candidate to achieve this qualification.
  • Experience of assessing the condition and efficiency of client properties, industrial processes and other relevant energy consuming activities.
  • The ability to identify, nurture and convert new project opportunities from our existing multi-sector client base as well as from new prospects across the UK
  • Someone who can exceed their client’s expectations, deliver first class results and build long-term, win-win relationships

We’re an ambitious company with aggressive aspirations for growth so we expect a lot – but we also give a lot in return. You’ll be rewarded with an industry leading salary, a range of perks and bonuses, in-house and external training to expand your skill set and real opportunities to advance within the company.

Sound like your kind of job? Let’s dive in!


We’re looking for someone who:

  • Has a technical background, preferably engineering or scientific in nature, and is a member of a relevant professional institute
  • Has relevant experience of delivering energy efficiency related projects for a range of industries/sectors
  • Is a problem-solver who’s good with figures and likes the detail
  • Is capable of building and delivering a sustainable pipeline of work
  • Is a team player with plenty of positive energy
  • Always delivers a first-class service to stakeholders and clients

If you have an analytical mind, a keen eye for detail, excellent communication skills, and previous experience working for a client focused, professional services consultancy – we want to hear from you.

Now the detail…

Boxfish actively encourage a flexible hybrid working model, meaning you’ll be working from home 90% of the time – no more commuting to work!

Additionally, from April 2023 we will move to a 4 day week, meaning you will enjoy 79 paid days leave a year – and a guaranteed long weekend every weekend.

We offer a very competitive salary which is dependent on experience, 30.5 days holiday (until April 2023), and plenty of opportunities for training and development—and that’s just for starters.

We know it can be hard to take time off work, so the first interview will be by telephone and will be arranged at your convenience. In the first instance, please apply online with your story and relevant work info to:


IMPORTANT: A covering letter should also be supplied and be mainly about you and why you are right for the role. The covering letter should provide your name, contact details, job role applied for, reasons why you’re right for the job, why you would like to work for Boxfish, and a little bit about yourself (favourite film, music taste, hobbies etc).

Both CV and covering letter are required for the application to be processed.



Fill in the form or call us on 0141 226 8525 to get your free, no-obligation review.

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