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Mechanical Project 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 talented and motivated Project Mechanical Engineers to join our teams in Maidenhead and London. 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?
Duties
You will be part of a team working on a wide variety of small and large schemes including:
- Healthcare
- Education
- Leisure
- Retail
- Commercial
- Energy conservation
Duties are varied but include the following:
- Attending design and site meetings
- Managing workload
- Performing job manager responsibilities
- Producing accurate documentation, including:
- Specifications
- Calculations
- Condition reports
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 develop 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. You’ll have a meaningful job, helping to transform society and serving as a trusted consultant to our clients.
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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 + bank holidays (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 planting a tree for all new starters!
About Us
Transforming society together, we’re planning and designing sustainable communities and cities of the future.
Solving today’s great societal challenges demands relevance, urgency, and inspiration. At Sweco, we unite diverse perspectives and skills to develop solutions that address urbanisation, harness digitalisation and contribute to more sustainable societies.
We offer clients a blend of global expertise and local presence, tailored to their specific business and realities. Our goal is to be our clients’ most relevant partners, helping them solve challenges—today and in the future.
Sweco is committed to enabling all colleagues to achieve a great work-life balance, whether it’s managing caring responsibilities, pursuing further learning, or balancing day-to-day needs. We offer:
- Flexible start and finish times
- Part-time and hybrid working options
Equality, Diversity & Inclusion
We encourage all colleagues to thrive at work by fostering a friendly and inclusive culture that values individual contributions. Sweco is dedicated to promoting equality, inclusivity, and diversity for everyone.
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/maternity/paternity
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Sweco has signed The Armed Forces Covenant to ensure fairness for those who serve or have served and their families. Learn more.
We are:
- An accredited Real Living Wage Employer (reflecting our commitment to fair pay and supporting all colleagues)
- Disability Confident Committed employer and will
- Interview applicants under the Equality Act 2010 Guaranteed Interview Scheme who opt in.
Reasonable Adjustments for Applicants
If you have a disability requiring reasonable accommodations to complete the application or cannot use the online system, please contact GB_Function-HR-Resourcing@sweco.co.uk for assistance. We’ll need:
- Your name
- Preferred contact method (phone or email)
- Position title
- Requisition/vacancy number
Please note: We reserve the right to close vacancies before the advertised closing date.
Additional Notes About Our Recruitment Process
Sweco UK&I’s internal resourcing team handles all recruiting activity. We maintain a Preferred Supplier List for trusted trackrecruitment agencies specializing in hard-to-fill roles.
We prioritize structured recruitment processes—we will not accept speculative CVs any internal manager or member of the team—for ethical and policy reasons. Speculative submissions become Sweco’s property and agencies may lose their rights to an introductory fee.
Our list of Preferred Suppliers was reviewed in November 2025 and is not accepting new additions. We’ll review it again at the end of 2026; non-compliance shall impact eligibility to appear on it.
For experienced professionals, join our Talent Community to stay updated on news, events, insights, future vacancies: Join Our Talent Community – Sweco United Kingdom
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