Job reference
206670_1785321626
Company Name
Salary
£45000 - £60000 per annum + Hybrid, Flexibility, Career Progression
Location
Cardiff
Industry sector
Engineering
Job type
Permanent | Full Time
Job start date
26/08/2026
Posted date
29/07/2026
Closing date
19/08/2026
Senior Mechanical Engineer - Building Services
Location: Cardiff / Bristol
Type: Full-time, Permanent
Salary: £45,000 - £60,000 (dependent on experience)
Overview
An established building services consultancy is seeking an experienced Senior Mechanical Engineer to join its growing team in either Cardiff or Bristol. This is an excellent opportunity for a technically strong engineer with at least five years' experience in mechanical building services design who is looking to lead projects, mentor junior engineers, and work closely with clients to deliver innovative, low-carbon engineering solutions across a diverse range of sectors.
The successful candidate will have proven project leadership experience, a strong understanding of UK building services legislation, regulations and industry standards, and technical expertise in HVAC, heating and cooling load calculations, public health design, plantroom design, BMS integration, and sustainable technologies including heat pumps and renewables. Membership with CIBSE (or working towards it), together with progress towards Chartered Engineer status and proficiency in CAD, MagicCAD and BIM software, would be highly advantageous.
Benefits
* Competitive salary ranging from £45,000 to £60,000, dependent on experience.
* Flexible and hybrid working arrangements to support work-life balance.
* Private medical insurance for you and your family.
* Access to a company reward scheme and wellbeing initiatives.
* Structured career progression opportunities, with clear pathways for advancement.
* Comprehensive mentoring and support to achieve Chartered Engineer status.
Day-to-Day
* Collaborate with architects, contractors, and other engineering disciplines to deliver coordinated designs.
* Develop detailed mechanical designs, specifications, and reports.
* Attend project meetings and provide technical input to ensure project objectives are met.
* Conduct site visits to monitor progress, resolve issues, and ensure compliance with design specifications.
* Support the development of innovative, sustainable, and energy-efficient solutions for clients.
* Mentor and support junior team members, sharing knowledge and expertise.
Responsibilities
* Lead the mechanical design process across all RIBA stages, ensuring high-quality and innovative solutions.
* Manage projects and coordinate multidisciplinary engineering teams to deliver on time and within budget.
* Build and maintain strong client relationships, acting as a key point of contact for stakeholders.
* Oversee quality assurance procedures and ensure compliance with industry standards and regulations.
* Provide mentorship and technical guidance to junior engineers, fostering their professional growth.
* Conduct site inspections, support commissioning activities, and perform technical reviews.
Qualifications
* A minimum of 5 years' experience in mechanical building services design.
* Proven experience in leading projects and managing engineering teams.
* Membership of CIBSE (or actively working towards membership).
* Progress towards Chartered Engineer status is highly desirable.
* Strong technical expertise in:
* Heating, ventilation, and air conditioning (HVAC) systems.
* Heating and cooling load calculations.
* Low-carbon and sustainable design solutions, including heat pumps and renewables.
* Domestic water services and public health design.
* BMS integration and controls coordination.
* Plantroom design and equipment selection.
* Proficiency in CAD, MagicCAD and BIM software.
If you are a motivated and experienced mechanical engineer looking to take the next step in your career, we would love to hear from you. Join a forward-thinking consultancy that values innovation, collaboration, and professional development.
Sound interesting? Apply now to take the next step!