Senior Mechanical Design Engineer

Description

• Undertake design, coordination, and management, integrating mechanical and energy systems for seamless project execution.
• Assist in identifying design risks and contribute to risk mitigation, manage the risk registers.
• Produce and develop technical reports, drawings, and specifications.
• Manage designs and support end-to-end project lifecycle delivery, helping to ensure projects are delivered on time and within budget.
• Support energy modelling and system performance simulations using IES, Energy Pro, and other tools.
• Conduct design reviews, ensuring design solutions meet performance, safety, and regulatory standards.
• Participating and contributing to HAZOP and LOPA discussions/ meetings.

Requirements

• Commercial awareness to support bids, scopes of work, and fee proposals.
• Experience working across full RIBA stages on multidisciplinary teams.
• Proven experience in heat pump design and integration, including hybrid systems and low-temperature heating solutions.
• Comfortable leading client and contractor discussions, including technical presentations.
• Ability to integrate mechanical systems with electrical infrastructure and low-carbon technologies for retrofit and new-build projects.
• Experienced in Design & Build and Traditional procurement routes.
• Proficiency in design-, energy modelling- and simulation software such as IES, Energy Pro, PVsol, Termis, NEMO, and Netsim.
• Strong background in mechanical building services design, supported by practical experience or equivalent knowledge.
• Ability to lead mechanical design packages on multi-disciplinary projects.
• Strong experience in design management, risk assessment, and project delivery of sustainable retrofit, low-carbon technologies, and energy efficiency projects.
• Experience with heat networks and utilities, from feasibility through to applications and connection design.
• Strong technical grounding in mechanical building services design to integrate low-carbon energy solutions, such as heat pumps, heat recovery systems, high-efficiency HVAC, thermal storage, and demand-led controls for sustainable retrofit in commercial, public-sector, and mixed-use buildings.
• Chartered Engineer status (CEng) or working towards.
• Ability to check, QA, and sign off mechanical designs in accordance with CIBSE Guides, BS EN standards, UK Building Regulations (Part L, Part F, Part G), and relevant industry codes.
• Experience in public sector or funding-driven decarbonisation projects such as PSDS and WH/ SHDF.
• Sound understanding of electrical building services to enable effective coordination.
• Strong organisational skills, able to manage multiple concurrent projects and deadlines.
• Able to mentor junior engineers and enhance team capability.
• Competent in detailed design from RIBA Stage 2 to 5, including heating and cooling load calculations, ancillary equipment sizing and selection, ductwork and pipework sizing, schematics, schedules, DSEAR assessments, and technical reports.
• Experience in design and design management, risk assessment, and project delivery of sustainable retrofit, low-carbon technologies, and energy efficiency projects.
• Degree in Mechanical Engineering or Building Services Engineering (BEng or equivalent).
• Proficient in AutoCAD and good working knowledge of BIM workflows (Revit desirable).

Benefits

• Life Cover equivalent to 2 times annual salary
• Holiday purchase scheme
• Employee discount shopping schemes on major brands and retailers
• Attractive Employee Referral Rewards Scheme
• 25 days annual leave (+ public holidays)
• 24/7 Employee Assistance Program and access to mental wellbeing app
• Gym membership discounts
• Access to our growing employee networks
• On offer is a competitive salary, and benefit package, which includes;
• Cycle to work scheme
• Broad range of learning opportunities, such as professional qualifications, collective/individual training, and personalized support programmes
• 2 corporate social responsibility days per year

Training + Development

Interview process

Visa Sponsorship

Security clearance