Senior Mechanical Engineer

Overview

Become part of our society. Sweco’s integrated building services engineering & consultancy solutions fuse ESG-focused performance advisory with innovative, wellbeing-first design. Our mechanical, electrical and public health experts, sustainability teams and certification specialists collaborate with clients across the UK to transform vision into reality with a 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.

Duties

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

• 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.

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.

Transforming society together, we’re planning and designing sustainable communities and cities of the future. Sweco brings together experts with different perspectives and skills to develop solutions that address urbanisation, digitalisation and sustainability challenges. We offer our clients a combination of global expertise and local presence, adapted to their business and reality, with the ambition to be our clients’ most relevant partner.

Sweco is committed to enabling all colleagues to achieve a great balance between work and other priorities. We offer flexible start and finish times, part time and hybrid working options to flex hours around day-to-day needs.

We strive to create a friendly and inclusive culture which promotes equality, inclusivity and diversity. We encourage applications from suitably qualified 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 service members and families are treated fairly. The Armed Forces Covenant - Our Commitments | Sweco UK. We are proud to be a Disability Confident Committed employer and will interview applicants who opt into the guaranteed interview scheme under the Equality Act 2010 if they meet the minimum criteria for the role.

If a disability requires reasonable adjustments to complete any part of the application process or if you need an alternative method for applying, please contact for assistance.

To support your request, please provide:
Name, best method of contact (Phone or email), the position title, and the requisition/vacancy number. We’ll respond promptly to obtain more information.

Please note:

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

Sweco UK&I has an internal resourcing team and a Preferred Supplier List of trusted agencies. We do not accept speculative CVs. Our PSL was reviewed in November 2025 and will be reviewed again at the end of 2026. Our Talent Community for experienced professionals offers insights, vacancies and events; join us at Sweco United Kingdom.