96 mechanical design engineer jobs found in Southampton

Mechanical Design Engineer Building Services Consultancy –  Southampton Area (Hybrid) Employment Type: Full-time The Opportunity We are seeking a Mechanical Design Engineer to join a well-established building services consultancy based in Fareham. This role is ideal for an engineer with 2–5 years’ experience who is ready to take on greater responsibility, contribute to exciting projects, and progress toward a senior position. You’ll be involved in delivering sustainable, innovative design solutions for projects across residential, commercial, education, and healthcare sectors—working from concept design through to project completion. What You’ll Be Doing Designing mechanical systems including HVAC, ventilation, hot & cold-water systems, and plantrooms Preparing calculations, reports, and specifications aligned with UK standards and client needs Producing and modifying design drawings using AutoCAD and Revit (desirable) Participating in client, contractor, and...

Senior to Principal Mechanical Design Engineer – Building Services 📍 Southampton (Hybrid Working) 💼 Full-Time 💰 Highly Competitive Salary + Bonus + Benefits About the Role A leading independent building services consultancy on the South Coast is seeking a Senior to Principal Mechanical Design Engineer to join their growing team in Southampton. Known for their technical strength, sustainable approach, and long-term client relationships, this firm delivers a broad range of projects across the healthcare, education, research, commercial, and industrial sectors. This role is ideal for an experienced engineer ready to lead projects, manage teams, and play an integral part in delivering innovative and low-carbon mechanical building services solutions. What You’ll Be Doing Lead mechanical design on a range of complex projects, from early-stage feasibility to technical delivery and handover Take ownership of project outputs including reports, calculations, technical...

Mechanical Design Engineer Building Services Consultancy –  Southampton Area (Hybrid) Employment Type: Full-time The Opportunity We are seeking a Mechanical Design Engineer to join a well-established building services consultancy based in Fareham. This role is ideal for an engineer with 2–5 years’ experience who is ready to take on greater responsibility, contribute to exciting projects, and progress toward a senior position. You’ll be involved in delivering sustainable, innovative design solutions for projects across residential, commercial, education, and healthcare sectors—working from concept design through to project completion. What You’ll Be Doing Designing mechanical systems including HVAC, ventilation, hot & cold-water systems, and plantrooms Preparing calculations, reports, and specifications aligned with UK standards and client needs Producing and modifying design drawings using AutoCAD and Revit (desirable) Participating in client, contractor, and...

Senior Mechanical Design Engineer Building Services Consultancy | Southampton Area (Hybrid) The Opportunity We’re representing a forward-thinking building services consultancy in Fareham that is looking for an experienced Senior Mechanical Design Engineer . This is a key role, leading the design and delivery of innovative, sustainable mechanical services across commercial, residential, education, and healthcare projects. You’ll play a pivotal part in shaping design solutions, mentoring engineers, and working closely with clients and multidisciplinary teams to deliver projects from concept through to completion. What You’ll Do Take ownership of the mechanical design process for building services (HVAC, heating, cooling, ventilation, domestic water systems). Produce and review design calculations, technical specifications, drawings, and reports. Coordinate effectively with clients, project teams, and other engineering disciplines. Mentor junior and intermediate...

Job Description: Mechanical Design Engineer (Contract – min 3 months) Location: Southampton Area Contract Length: Minimum 3 months (possibility of extension) Role Type: Contract, Building Services / MEP Consultancy About the role: We are seeking a skilled Mechanical Design Engineer to join a specialist building services and MEP consultancy on a contract basis. The successful candidate will join a multi-discipline design team delivering mechanical design solutions across a variety of building types (commercial, public sector, mixed-use). The role involves working from concept through to detailed design, integrating mechanical services with other disciplines, and delivering high-quality, practical engineering solutions with a strong emphasis on low-carbon design and BIM collaboration. Key responsibilities: Produce mechanical services design deliverables including heating, cooling, ventilation (HVAC), air-conditioning systems, hydronic systems, chilled beams/fan...

Mechanical Design Engineer Building Services Consultancy –  Southampton Area (Hybrid) Employment Type: Full-time The Opportunity We are seeking a Mechanical Design Engineer to join a well-established building services consultancy based in Fareham. This role is ideal for an engineer with 2–5 years’ experience who is ready to take on greater responsibility, contribute to exciting projects, and progress toward a senior position. You’ll be involved in delivering sustainable, innovative design solutions for projects across residential, commercial, education, and healthcare sectors—working from concept design through to project completion. What You’ll Be Doing Designing mechanical systems including HVAC, ventilation, hot & cold-water systems, and plantrooms Preparing calculations, reports, and specifications aligned with UK standards and client needs Producing and modifying design drawings using AutoCAD and Revit (desirable) Participating in client, contractor, and...

Job Description Do you have experience in complex, technically challenging projects in the Built Environment and want to join the UK team of our Global Industry and Infrastructure Facilities Service line? Do you enjoy developing sustainable solutions for technical challenges and working on a wide variety of building project types? Are you motivated by innovative engineering building solutions and creating sustainable change that benefits society and nature? If this sounds like you, or you’re curious to learn more, then this role could be the perfect opportunity. Join the UK team of our Global Service Line as our new Mechanical Design Engineer and work with us to close the gap to a sustainable future.  Your new role As our new Mechanical Design Engineer, you will be part of our growing UK team working on building and infrastructure projects throughout the UK and internationally. You will have the opportunity to thrive in technical delivery excellence and develop excellent...

Senior Mechanical Design Engineer Building Services Consultancy | Southampton Area (Hybrid) The Opportunity We’re representing a forward-thinking building services consultancy in Fareham that is looking for an experienced Senior Mechanical Design Engineer . This is a key role, leading the design and delivery of innovative, sustainable mechanical services across commercial, residential, education, and healthcare projects. You’ll play a pivotal part in shaping design solutions, mentoring engineers, and working closely with clients and multidisciplinary teams to deliver projects from concept through to completion. What You’ll Do Take ownership of the mechanical design process for building services (HVAC, heating, cooling, ventilation, domestic water systems). Produce and review design calculations, technical specifications, drawings, and reports. Coordinate effectively with clients, project teams, and other engineering disciplines. Mentor junior and intermediate...

Senior Mechanical Design Engineer Building Services Consultancy | Southampton Area (Hybrid) The Opportunity We’re representing a forward-thinking building services consultancy in Fareham that is looking for an experienced Senior Mechanical Design Engineer . This is a key role, leading the design and delivery of innovative, sustainable mechanical services across commercial, residential, education, and healthcare projects. You’ll play a pivotal part in shaping design solutions, mentoring engineers, and working closely with clients and multidisciplinary teams to deliver projects from concept through to completion. What You’ll Do Take ownership of the mechanical design process for building services (HVAC, heating, cooling, ventilation, domestic water systems). Produce and review design calculations, technical specifications, drawings, and reports. Coordinate effectively with clients, project teams, and other engineering disciplines. Mentor junior and intermediate...

MECHANICAL DESIGN ENGINEER SOUTHAMPTON  We are currently growing our in-house design team. We are a friendly and professional multi-disciplined team, responsible for providing the detailed design of energy and water projects in the UK and overseas. Due to new project awards and a healthy forward order book, we are now recruiting for a Mechanical Design Engineer with a background in designing within the water and/or energy sectors. Reporting to the Mechanical Design Manager, duties include:  · Working as part of a multi-disciplined team of engineers responsible for the production design deliverables for water, wastewater and bio solids treatment plants · Responsible for assisting in all aspects of mechanical design from site surveys of existing assets, optioneering, feasibility studies, detailed design and tender pricing · Production of procurement specifications for mechanical equipment; hydraulic calculations and production of detailed design construction...

Job Description: Mechanical Design Engineer (Contract – min 3 months) Location: Southampton Area Contract Length: Minimum 3 months (possibility of extension) Role Type: Contract, Building Services / MEP Consultancy About the role: We are seeking a skilled Mechanical Design Engineer to join a specialist building services and MEP consultancy on a contract basis. The successful candidate will join a multi-discipline design team delivering mechanical design solutions across a variety of building types (commercial, public sector, mixed-use). The role involves working from concept through to detailed design, integrating mechanical services with other disciplines, and delivering high-quality, practical engineering solutions with a strong emphasis on low-carbon design and BIM collaboration. Key responsibilities: Produce mechanical services design deliverables including heating, cooling, ventilation (HVAC), air-conditioning systems, hydronic systems, chilled beams/fan...

Job Description: Mechanical Design Engineer (Contract – min 3 months) Location: Southampton Area Contract Length: Minimum 3 months (possibility of extension) Role Type: Contract, Building Services / MEP Consultancy About the role: We are seeking a skilled Mechanical Design Engineer to join a specialist building services and MEP consultancy on a contract basis. The successful candidate will join a multi-discipline design team delivering mechanical design solutions across a variety of building types (commercial, public sector, mixed-use). The role involves working from concept through to detailed design, integrating mechanical services with other disciplines, and delivering high-quality, practical engineering solutions with a strong emphasis on low-carbon design and BIM collaboration. Key responsibilities: Produce mechanical services design deliverables including heating, cooling, ventilation (HVAC), air-conditioning systems, hydronic systems, chilled beams/fan...

Senior to Principal Mechanical Design Engineer – Building Services 📍 Southampton (Hybrid Working) 💼 Full-Time 💰 Highly Competitive Salary + Bonus + Benefits About the Role A leading independent building services consultancy on the South Coast is seeking a Senior to Principal Mechanical Design Engineer to join their growing team in Southampton. Known for their technical strength, sustainable approach, and long-term client relationships, this firm delivers a broad range of projects across the healthcare, education, research, commercial, and industrial sectors. This role is ideal for an experienced engineer ready to lead projects, manage teams, and play an integral part in delivering innovative and low-carbon mechanical building services solutions. What You’ll Be Doing Lead mechanical design on a range of complex projects, from early-stage feasibility to technical delivery and handover Take ownership of project outputs including reports, calculations, technical...

Senior to Principal Mechanical Design Engineer – Building Services 📍 Southampton (Hybrid Working) 💼 Full-Time 💰 Highly Competitive Salary + Bonus + Benefits About the Role A leading independent building services consultancy on the South Coast is seeking a Senior to Principal Mechanical Design Engineer to join their growing team in Southampton. Known for their technical strength, sustainable approach, and long-term client relationships, this firm delivers a broad range of projects across the healthcare, education, research, commercial, and industrial sectors. This role is ideal for an experienced engineer ready to lead projects, manage teams, and play an integral part in delivering innovative and low-carbon mechanical building services solutions. What You’ll Be Doing Lead mechanical design on a range of complex projects, from early-stage feasibility to technical delivery and handover Take ownership of project outputs including reports, calculations, technical...

Who we are:  Prysmian is a global cabling solutions provider leading the energy transition and digital transformation.  Prysmian is a public company listed on the Italian Stock Exchange, with almost 150 years of experience , over 33,000 employees, 104 plants and 27 R&D centers in over 50 countries.   Everyone at Prysmian has the potential to make their mark; because whatever you do, wherever you are based, you will be part of a company that is helping transform the world around us.  Your contribution to Prysmian's Success: We’re looking for a Mechanical Design Engineer to join our Power Grids team in Eastleigh. Our Power Grids Design team is the driving force behind some of the UK’s most challenging and innovative energy projects, from transmission systems to windfarm developments. The team are responsible for undertaking complex HV cable systems design and supporting the HV business in winning tenders and undertaking contracts for transmission and...

Senior Mechanical Design Engineer – Building Services Consultancy Location: Winchester (Hybrid) Type: Full-Time About Us Join a respected building services consultancy with 45 years’ experience delivering sustainable, value-driven engineering solutions. Our Winchester office is seeking a Senior Mechanical Design Engineer to lead mechanical systems design across a diverse range of projects—from residential and commercial to healthcare, education, and industrial developments, including schemes up to £100m in value. Role Overview As a Senior Mechanical Design Engineer, you will be at the forefront of mechanical systems design, overseeing projects from concept to completion. You will mentor junior engineers, provide technical leadership, and ensure integrated, low-carbon, energy-efficient solutions. Key Responsibilities Lead the design of HVAC, ventilation, heating, cooling, and domestic water systems from feasibility to construction. Produce 2D and 3D...

Senior Mechanical Design Engineer – Building Services Consultancy Location: Winchester (Hybrid) Type: Full-Time About Us Join a respected building services consultancy with 45 years’ experience delivering sustainable, value-driven engineering solutions. Our Winchester office is seeking a Senior Mechanical Design Engineer to lead mechanical systems design across a diverse range of projects—from residential and commercial to healthcare, education, and industrial developments, including schemes up to £100m in value. Role Overview As a Senior Mechanical Design Engineer, you will be at the forefront of mechanical systems design, overseeing projects from concept to completion. You will mentor junior engineers, provide technical leadership, and ensure integrated, low-carbon, energy-efficient solutions. Key Responsibilities Lead the design of HVAC, ventilation, heating, cooling, and domestic water systems from feasibility to construction. Produce 2D and 3D...

Senior Mechanical Design Engineer – Building Services Consultancy Location: Winchester (Hybrid) Type: Full-Time About Us Join a respected building services consultancy with 45 years’ experience delivering sustainable, value-driven engineering solutions. Our Winchester office is seeking a Senior Mechanical Design Engineer to lead mechanical systems design across a diverse range of projects—from residential and commercial to healthcare, education, and industrial developments, including schemes up to £100m in value. Role Overview As a Senior Mechanical Design Engineer, you will be at the forefront of mechanical systems design, overseeing projects from concept to completion. You will mentor junior engineers, provide technical leadership, and ensure integrated, low-carbon, energy-efficient solutions. Key Responsibilities Lead the design of HVAC, ventilation, heating, cooling, and domestic water systems from feasibility to construction. Produce 2D and 3D...

Job Description Role Purpose The Principal Mechanical Design Engineer will provide technical leadership for the design and delivery of mechanical systems within water and wastewater infrastructure projects. You will be responsible for ensuring designs meet client requirements, industry standards, performance objectives, and regulatory compliance while guiding multidisciplinary teams through all project stages from feasibility to detailed design and construction support.   Key Responsibilities Technical Leadership & Design · Lead the mechanical design of water and wastewater treatment assets, including pumping stations, pipelines, treatment plant mechanical equipment, screens, filters, chemical dosing, and sludge-handling systems. · Produce and review design deliverables such as P&IDs, specifications, GA drawings, equipment schedules, design calculations, and asset standards. · Develop concept, outline, and detailed designs with a strong emphasis on whole-life cost,...

Company Description AFECO is an engineering services provider, delivering high quality process and MEICA design and installation projects predominantly across the South of England for the water industry. We have an excellent inhouse engineering team capable of delivering all stages of the project cycle, from concept through to commissioning, with a strong focus on cleantech product development, innovation, and robust, appropriate solutions. We work within the UK water sector where we deliver innovation, optimisation, and robust engineering solutions. We have a portfolio of varied projects, both wastewater and clean water, across the Southern Water region and are seeing rapid expansion into other water companies due to the success of our own products and solutions so it is an exciting time to join our business. In 2024, we were acquired by United Living Group, a leading infrastructure, construction, and property services company in the UK. This partnership enables us to...