Senior Mechanical Design Engineer

Role overview
Harniss Building Services Solutions are a successful building services consultant and contractor that undertake design, installation and commissioning of building services with a specialism in the private healthcare sector. We are experienced in low-carbon engineering solutions and renewable technologies, delivering innovative and sustainable designs that support the industry's transition towards net-zero carbon objectives.
This is an exciting opportunity for a highly skilled Senior Mechanical Design Engineer to join our dynamic team. You will play a key role in designing and delivering innovative, sustainable and efficient mechanical systems for a range of projects. You will also provide technical expertise, support junior team members, and contribute to the successful delivery of complex projects across the healthcare and commercial sectors. The role offers the chance to work on cutting-edge low-carbon and renewable energy solutions, contributing to the industry's shift towards more sustainable building practices.
Responsibilities
* Produce detailed mechanical designs, including schematics, ventilation, heating & cooling, domestic services and public health services.
* Undertake calculations in accordance with British Standards and industry best practice.
* Ensure all designs fully align with employer requirements, British Standards, Building Regulations, HTM guidance (where applicable), and relevant industry standards.
* Support the Design/Engineering team to ensure project deliverables are achieved.
* Support the efficient delivery of projects by managing resources effectively and minimising non-chargeable costs.
* Attend design team meetings, internally and externally with clients.
* Communicate technical design solutions effectively to internal stakeholders, clients, contractors and other project team members.
* Represent the company professionally at client meetings, design reviews and presentations.
* Manage workloads and priorities to ensure project milestones and deadlines are achieved.
* Review and approve mechanical design outputs prior to issue, ensuring technical accuracy and compliance with project requirements.
* Provide technical guidance and support to junior engineers and contribute to the ongoing development of the wider design team.
Requirements
* Building Services Engineering degree, HNC/HND or equivalent qualification in a relevant engineering discipline.
* Minimum 5 years' experience in mechanical building services design.
* AutoCAD experience.
* Experience using Revit within a BIM environment.
* Extensive engineering design knowledge, with proven experience leading mechanical designs from concept through to completion.
* Comprehensive understanding of HVAC, domestic services and public health systems, including plant selection, system strategy and low-carbon solutions such as heat pumps.
* Thorough working knowledge of British Standards, Building Regulations (including Part L and Part F), CIBSE guidance and HTM guidance where applicable.
* Ability to manage your own workload across several projects and work effectively to programme deadlines.
* Working towards, or interest in achieving, professional registration (IEng/CEng).
Salary
* TBC – subject to experience
Benefits
* 25 days annual leave
* Enhanced annual leave service benefits – +1 day every 3, 6 and 12 years capped at 28 days
* Buying and selling annual leave scheme up to 5 days
* Pension scheme
* Private healthcare
* Hybrid working – option to work from home 2 days per week
* Flexible working
* Company mobile/phone allowance
* Car allowance/company car (after the probation period)
Only candidates based in UK and eligible to work in UK are allowed