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Dual Fuel Engineer

Job in Slough, Berkshire, SL1, England, UK
Listing for: Calisen
Full Time position
Listed on 2026-08-26
Job specializations:
  • Trades / Skilled Labor
    Maintenance Technician / Mechanic, Electrician/ Electrician Installation, Field/Service Technician
Salary/Wage Range or Industry Benchmark: 41204 GBP Yearly GBP 41204.00 YEAR
Job Description & How to Apply Below

At Calisen, we're not just about the job - we're about you. With our incredible benefits package, there's never been a better time to join. Whether you're looking for financial security, a better work-life balance, or opportunities to grow, we've got you covered.

Don't wait - take the next step in your career with Calisen.

What We Offer

We've supercharged our benefits, making Calisen the place to be:

  • Competitive Salary
    : £41,204 per annum, with our annual salary review ensuring your efforts are always rewarded. (Plus £2,000 London Weighting if you live within in the M25)
  • Birthday Off
    :
    Celebrate your day, on us!
  • Life Assurance
    :
    Protection for you and your loved ones (4x your salary).
  • Enhanced Maternity & Paternity Leave
    :
    Supporting you through life's biggest moments.
  • My Rewards Platform
    :
    Discounts from hundreds of top retailers, just for being part of the team.

And that's not all:

  • 30 Days Holiday
    :
    Increasing to 33 days with service (including bank holidays).
  • Company Sick Pay
    :
    Supporting you during unexpected health challenges.
  • Pension Plan
    :
    Secure your future with our robust pension scheme.
  • Electric Vehicle Salary Sacrifice Scheme
    :
    Drive into a greener future.
  • Health Cash Plan
    : support for your physical, mental, and emotional wellbeing.
  • 24/7 Employee Assistance Plan
    :
    Because your mental health matters.
  • Professional Growth Opportunities
    :
    Join a rapidly expanding market leader where your career can thrive.
Other Benefits:
  • Daily bonus
    - Earn from £16.50 per meter (from 7th meter)
  • Quarterly Bonus
    - Up to £250
  • Available Overtime and On Call
Our Ideal Candidate
  • Previous Dual Fuel experience within the past 12 months
  • CCN1/CMA1/3 &MET1 with 6 months remaining on qualifications.
  • Full manual driving licence (company van will be provided)
The Company

We're part of the Calisen Group, leading the way in smarter, more sustainable energy. From smart metering and EV charging to data services and heat electrification, we power the future.

Why Join Us?
  • We're a proud Real Living Wage employer, committed to fair pay and a thriving workplace.
  • We celebrate diversity and are an inclusive, equal opportunity employer.
  • We support reasonable adjustments throughout the recruitment process, just let us know what you need.
  • Please note that all successful applicants will undergo relevant employment reference, background, financial and criminal record checks, appropriate for the role offered.
  • We are partnered with Cappfinity to deliver psychometric and situational assessments. These tools help us better understand your natural strengths and how you might approach real-life scenarios relevant to the role. If your application progresses, you'll receive full details and support to complete the assessments.
The Company

Calisen plays a leading role in managing essential energy infrastructure that supports a smarter, more sustainable future for everyone. Through smart metering, installation, data services and solar, we're helping homes and businesses move towards cleaner, more efficient energy.

Whatever your background or experience, your Calisen career could be just around the corner.

Research shows some groups of people may hesitate to apply unless they meet every single requirement.

You might be exactly who we're looking for! Our people are our greatest strength.

Calisen is an equal opportunities employer:
We value honesty, empathy and collaboration, and we believe that different perspectives and experiences help us succeed.

Our commitment is to fairness, inclusion and creating an environment where everyone can thrive.

We use some artificial intelligence (AI) tools to support parts of our recruitment process. These tools are designed to assist our Talent team, not replace them. Every decision is reviewed and made by our people. If you'd like to know more about how your data is used, please get in touch with us at any time.

The Values

We are one team

When we all work together, amazing things can happen. We are all committed to open dialogue and collaboration. We break down barriers to teamwork and avoid silos.

We put safety and wellbeing first

We take seriously our duty to create a safe working environment. We actively seek opportunities to improve safety and wellbeing. We challenge poor behaviour and recognise examples of excellence.

We do the right thing

We always act in an honest, fair, and transparent manner. We conduct ourselves professionally and with respect for our job and responsibilities. We are not afraid to say no if we feel something is wrong.

We care

We are inclusive - we respect each other and believe everyone matters. We set high standards for our work and lead by example. We make a positive difference to our colleagues, customers and communities.

We build for the future

We look to the future as we help to achieve the net zero challenge. We deliver to the highest standards today and welcome positive change in the future. We are open to feedback to keep improving our services and products.

  • The holiday amount changes dependent on the business area
  • Role dependent, check on…
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