Senior Mechanical Design Engineer
Location: EQUANS Waterside, Scotland, United Kingdom
Equans is looking for a Senior Mechanical Design Engineer (Decarbonisation & Energy Solutions) to join our team in Manchester. This is a full‑time role offering a competitive salary and benefits package.
Responsibilities
* Design and optimisation of HVAC systems, heat pumps, building automation systems and other low‑carbon solutions for commercial, public‑sector and mixed‑use buildings.
* Proven experience in heat pump design and integration, including hybrid systems and low‑temperature heating solutions.
* Integrate mechanical systems with electrical infrastructure and low‑carbon technologies for retrofit and new‑build projects.
* Detailed design from RIBA Stage 2 to 5, including heating and cooling load calculations, ancillary equipment sizing, ductwork and pipework sizing, schematics, schedules, DSEAR assessments, and technical reports.
* Participate in HAZOP and LOPA discussions/meetings.
* Experience with heat networks and utilities from feasibility through to connection design.
* Proficient in AutoCAD and familiar with BIM workflows (Revit desirable).
* Support energy modelling and system performance simulations using IES, Energy Pro, and other tools.
* Lead mechanical design packages on multi‑disciplinary projects and sign off designs in accordance with CIBSE Guides, BS EN standards, UK Building Regulations (Part L, Part F, Part G), and relevant industry codes.
* Manage design reviews, ensuring solutions meet performance, safety and regulatory standards.
* Assist in identifying design risks and contribute to risk mitigation by managing the risk registers.
Design Management & Team Development
* Undertake design, coordination and management, integrating mechanical and energy systems for seamless project execution.
* Produce and develop technical reports, drawings and specifications.
* Lead client and contractor discussions, including technical presentations.
* Experienced in Design & Build and Traditional procurement routes.
* Mentor junior engineers and enhance team capability.
* Strong organisational skills to manage multiple concurrent projects and deadlines.
* Commercial awareness to support bids, scopes of work and fee proposals.
* Identify design risks and contribute to risk mitigation.
Qualifications
* Degree in Mechanical Engineering or Building Services Engineering (BEng or equivalent).
* Chartered Engineer status (CEng) or working towards.
* Experience in design and design management, risk assessment and project delivery of sustainable retrofit, low‑carbon technologies and energy efficiency projects.
* Proficiency in energy modelling and simulation software such as IES, Energy Pro, PVsol, Termis, NEMO and Netsim.
* Experience working across full RIBA stages on multidisciplinary teams.
* Experience in public sector or funding‑driven decarbonisation projects such as PSDS and WH/SHDF.
* Strong background in mechanical building services design supported by practical experience or equivalent knowledge.
Benefits
* Competitive salary and benefits package.
* 25 days annual leave (+ public holidays)
* Life Cover equivalent to 2 times annual salary
* Employee discount schemes, gym membership discounts, cycle to work scheme, holiday purchase scheme.
* 2 corporate social responsibility days per year.
* Broad range of learning opportunities and professional qualifications.
* Employee Referral Rewards Scheme and access to growing employee networks.
* 24/7 Employee Assistance Programme and mental wellbeing app.
Who are we
Equans is a provider of sustainable facilities management and regeneration, and cutting‑edge energy and digital services. Our 15,000 employees deliver decarbonisation across the built environment and help businesses, communities, public sector organisations and government to accelerate the transition to a low‑carbon, resilient world.
EEO Statement
As part of our commitment to better reflect the markets within which we operate, we encourage applications from women, ethnically diverse individuals and people with disabilities, along with all candidates who identify with protected characteristic groups under the Equality Act 2010. We are committed to delivering a culture where everyone’s voice is heard and supported.
Right to Work
For this role, you must have evidence of the right to work in the UK. We cannot offer a relocation package with this role.
Application Process
To apply, click the link below to register, submit your application and track your progress. A member of our Resourcing Team will review your application and be in touch.
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