Senior Mechanical Engineer

Become part of our society.

Sweco's integrated building services engineering & consultancy solutions fuse ESG-focused performance advisory with innovative, wellbeing-first design.

Our highly regarded mechanical, electrical and public health experts, sustainability teams and certification specialists collaborate with clients across the UK to transform vision into reality - with a unique blend of creativity and commercial pragmatism at the heart of everything we do.

We are currently looking for a talented and motivated Senior Mechanical Engineer to join our team in our Maidenhead office. This role can be worked flexibly with a minimum of 3 days per week in the office and the option of adjusted start and finish times.

What does the role involve?

You will be part of a team working on a wide variety of small and large schemes including healthcare, education, leisure, retail, commercial and energy conservation. Duties are varied but include the following:

• Attending design and site meetings.
• Managing workload.
• Performing job manager responsibilities.
• Producing accurate document including specifications, calculations, condition reports, etc.

To be successful in this role you'll possess:

• A degree in Building Services Engineering.
• A professional qualification with CIBSE or MIET (or be working towards).
• A good working knowledge of Revit, Navisworks and Clash Detection.
• Demonstrable experience in a similar role.
• The ability to manage a variety of projects meeting varying deadlines.
• Strong problem solving skills to work alongside architects and contractors to solve problems and come up with innovative solutions.
• Excellent communication skills both written and verbal.
• Up to date knowledge of the UK construction market.

What's in it for you?

Working at Sweco you'll experience an inclusive, friendly and flexible working environment where colleagues are encouraged to grow and develop. A meaningful job where you'll help to transform society by being a trusted consultant to our clients.

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
• 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 View email address on energyjobsearch.com 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