Principal Electrical Engineer

Do you have what it takes to transform society?

We are currently looking for a talented and motivated Principal Electrical Engineer to join our Building Services design team in Maidenhead or London. You’ll be part of a multi-disciplinary department providing detailed Building Services designs for buildings related projects in the UK and overseas. This role can be worked flexibly with a minimum of 3 days per week in the office/on site and the option of adjusted start and finish times.

Sweco’s MEP consultancy and cross-sector building performance solutions represent a fusion of all our specialist services to optimise how a building ‘lives and breathes’ – with a proud track record in life sciences, hotels, commercial and healthcare space.

As market leaders in sustainable, high-quality building services design and engineering, we are also recognised for our trusted advice and technical acumen in carbon reduction and management, lifecycle analysis and infrastructure planning .

Our work spans across adaptive reuse, interior fit-outs, decarbonisation strategy and new build masterplanning – with façade , fire engineering and sustainability teams working cohesively to provide an all-encompassing proposition that allows clients in all sectors to achieve longevity, cost-efficiency and reliability across the sites we plan and build for them.

What does the role involve?

As a Principal Electrical Engineer You'll Work Closely With Other Experienced Electrical And Mechanical Engineers Along With Colleagues In Other Disciplines From Across The Wider Building Services Business Unit In The UK To Deliver Projects By

• Undertaking outline and detailed designs and specifications for electrical works.
• Providing day to day technical input as part of a team of engineers and technicians.
• Ensuring design output is completed in accordance with the agreed scope of works, timescales and budgets.

Working in close collaboration with colleagues from other disciplines as required to deliver project requirements and added value to the Client.

Attending design and site meetings.

To Be Successful In This Role You’ll Possess

• A degree in Building Services Engineering (or equivalent) and chartered status (or be working towards achieving chartered status) with a relevant professional institution.
• A good working knowledge of Revit, Navisworks, Clash Detection and Amtech.
• Demonstrable experience in a similar role with strong project management skills.
• The ability to manage a variety of projects meeting varying deadlines.
• Strong problem solving skills working alongside architects and contractors to consider problems and come up with innovative solutions.
• Excellent communication skills, both written and verbal, with the ability to adapt your style to your audience.
• Up to date knowledge of the UK construction market.
  
  

What’s in it for you?

This is an exciting time to join Sweco and if you want to be part of a company who is small in all the best ways but large enough to provide a diverse and exciting workload, this job is for you.

If you believe you have the skill set required, are keen to join a business with genuine opportunities for career progression, then we’d love to hear from you.

Let’s transform society together at Sweco!.

Employee Benefits

• Flexible and hybrid working (Flexworks Policy)
• Competitive pension contribution
• Life Assurance
• Private Medical Insurance
• Company car or car allowance
• Discretionary Annual Bonus Scheme
• Payment of two relevant professional subscriptions
• 25 days holiday plus bank holidays (with the option to purchase up to 5 additional days per year)
• Cycle2Work Scheme

Employee Assistance Programme (wellbeing, mental health, financial and work advice)

Employee discounts via Sweco Benefit Select (Faircare)

Salary Sacrifice Electric Vehicle Scheme

We plant a tree for all new starters!

About Us

Transforming society together, we're planning and designing sustainable communities and cities of the future.

Solving the great societal challenges of our time is more relevant, demanding and inspiring than ever before. At Sweco, we bring together experts with different perspectives and skills to develop solutions that address the challenges of urbanisation, harness the positive power of digitalisation and make societies more sustainable.

We offer our clients a combination of global expertise and local presence, adapted to their business and reality. Our ambition is to be our clients’ most relevant partner, working together to help them solve their challenges, today and into the future.

Sweco is committed to enabling all its colleagues to achieve a great balance between work and their other priorities, such as caring responsibilities, leisure activities, further learning or other interests. We offer flexible start and finish times, part time and hybrid working options so that you can flex your hours around your day to day needs.

Equality, Diversity & Inclusion

It’s important to us that that all our colleagues thrive at work - we strive to have a friendly and inclusive culture which respects the contribution individuals can bring to Sweco. We aim to promote equality, inclusivity and diversity for everyone.

Here at Sweco we positively encourage applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, pregnancy or maternity/paternity.

We have signed the Armed Forces Covenant to ensure those who serve or have served, and their families, are treated fairly. To find out more The Armed Forces Covenant - Our Commitments | Sweco UK .

We are an accredited Real Living Wage Employer which reflects our commitment to fair pay and support for all colleagues.

We are also proud to be a Disability Confident Committed employer, and will interview applicants covered by the Equality Act 2010 that opt into the guaranteed interview scheme on the application form and meet the minimum criteria for the role.

If I have a disability, can I get help (e.g. “reasonable adjustments”) with the application process?

If you’re an applicant with a disability that requires a reasonable accommodation to complete any part of the application process or are limited in the ability or unable to use the online application system and need an alternative method for applying, please contact GB_Function-HR-Resourcing@sweco.co.uk for assistance.

In order to address your request the following information is needed:

• Name
• The best method for contacting you (Phone or email)
• The position title
• Requisition/vacancy number
  
  

Upon receipt of this information, we’ll respond to you promptly to obtain more information about your request.

Please note: we reserve the right to close vacancies before the advertised closing date.

Sweco UK&I have an internal resourcing team who are responsible for all recruiting activity. We have a Preferred Supplier List of trusted agencies who we work with on those “hard to fill” roles.

We have defined processes for recruitment applications and it is company policy not to accept speculative CVs. Any speculative CVs received into the business (whether to a manager or member of the resourcing team) will become the property of Sweco and the agency will not be eligible for an introductory fee.

Our Preferred Supplier List was reviewed in November 2025 and we are not looking to add any additional agencies. We’ll be reviewing the PSL again at the end of 2026 and non-compliance with the above statements could be detrimental to you having the opportunity to be included.

Our Talent Community for experienced professionals is a great way to keep up to date with our latest news, insights, future vacancies, as well as gaining access to exclusive events hosted by our experts.

To learn more Join Our Talent Community - Sweco United Kingdom