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101 mechanical design engineer jobs found in Southend-on-Sea

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Pertemps TM
Jan 23, 2026
Senior Mechanical Design Engineer
Pertemps TM Southend-on-Sea, UK
Senior Mechanical Design Engineer - Building Services Location: London (Hybrid Working) Salary: £45,000 - £65,000+ (DOE) A well-established employee-owned Building Services Consultancy is seeking a Senior Mechanical Design Engineer to join their London team. The consultancy has a long-standing reputation for delivering sustainable, technically excellent solutions across commercial, mixed-use, retail and industrial projects. The Role As a Senior Mechanical Design Engineer, you will lead mechanical design projects from concept to completion, taking ownership while working closely with clients, architects and project teams. Key responsibilities include: Producing calculations, specifications, drawings and tender documentation Leading projects and representing the consultancy in client and design team meetings Conducting site visits, surveys and inspections Coordinating with other disciplines and reviewing contractor designs and value engineering proposals Supporting...
Pertemps TM
Jan 23, 2026
Senior Mechanical Design Engineer
Pertemps TM Southend-on-Sea, UK
Senior Mechanical Design Engineer - Building Services Location: London (Hybrid Working) Salary: £45,000 - £65,000+ (DOE) A well-established employee-owned Building Services Consultancy is seeking a Senior Mechanical Design Engineer to join their London team. The consultancy has a long-standing reputation for delivering sustainable, technically excellent solutions across commercial, mixed-use, retail and industrial projects. The Role As a Senior Mechanical Design Engineer, you will lead mechanical design projects from concept to completion, taking ownership while working closely with clients, architects and project teams. Key responsibilities include: Producing calculations, specifications, drawings and tender documentation Leading projects and representing the consultancy in client and design team meetings Conducting site visits, surveys and inspections Coordinating with other disciplines and reviewing contractor designs and value engineering proposals Supporting...
Pertemps TM
Jan 23, 2026
Mechanical Design Engineer
Pertemps TM Southend-on-Sea, UK
Mechanical Design Engineer (Building Services) Location: South London area Salary: £35,000 to £50,000 (depending on experience) Experience Required: Minimum 3 to 4 years Contract Type: Full-time, Permanent About the Company This is an award-winning and well-established practice of low carbon consulting engineers who specialise in mechanical, electrical and public health systems for the built environment. Founded in over 20 years ago, the company has developed a strong reputation for delivering high quality, sustainable and technically rigorous engineering solutions. Their leadership team brings experience gained from major international consultancies, which supports the firm in maintaining consistently high standards of design and technical excellence. They hold Low Carbon Consultant and Low Carbon Energy Assessor certifications and regularly appear among the top engineering consultancies in the UK. Most engineers within the practice are Chartered, and the...
Pertemps TM
Jan 23, 2026
Mechanical Design Engineer
Pertemps TM Southend-on-Sea, UK
Mechanical Design Engineer (Building Services) Location: South London area Salary: £35,000 to £50,000 (depending on experience) Experience Required: Minimum 3 to 4 years Contract Type: Full-time, Permanent About the Company This is an award-winning and well-established practice of low carbon consulting engineers who specialise in mechanical, electrical and public health systems for the built environment. Founded in over 20 years ago, the company has developed a strong reputation for delivering high quality, sustainable and technically rigorous engineering solutions. Their leadership team brings experience gained from major international consultancies, which supports the firm in maintaining consistently high standards of design and technical excellence. They hold Low Carbon Consultant and Low Carbon Energy Assessor certifications and regularly appear among the top engineering consultancies in the UK. Most engineers within the practice are Chartered, and the...
Pertemps TM
Jan 23, 2026
Senior Mechanical Design Engineer
Pertemps TM Southend-on-Sea, UK
Senior Mechanical Design Engineer - Building Services Location: London (Hybrid Working) Salary: £45,000 - £65,000+ (DOE) A well-established employee-owned Building Services Consultancy is seeking a Senior Mechanical Design Engineer to join their London team. The consultancy has a long-standing reputation for delivering sustainable, technically excellent solutions across commercial, mixed-use, retail and industrial projects. The Role As a Senior Mechanical Design Engineer, you will lead mechanical design projects from concept to completion, taking ownership while working closely with clients, architects and project teams. Key responsibilities include: Producing calculations, specifications, drawings and tender documentation Leading projects and representing the consultancy in client and design team meetings Conducting site visits, surveys and inspections Coordinating with other disciplines and reviewing contractor designs and value engineering proposals Supporting...
Elix Sourcing Solutions
Jan 23, 2026
Mechanical Design Engineer
Elix Sourcing Solutions Sandwich, UK
Mechanical Design Engineer Location: Near Sandwich (Hybrid 2 days from home) Package: Competitive salary, 9 day working fortnight, profit bonus, and more benefits Security requirements: Must have lived in the UK consecutively for 5 years+ Ready to design cutting-edge precision engineering products? Want to join a growing company where your work makes a real impact? Join a talented mechanical design team creating innovative new products and refining existing designs in the precision engineering sector. This Mechanical Design Engineer role offers genuine variety - from detailed 3D CAD modelling to prototype testing, working on complex mechanisms for demanding environments. You'll have the opportunity to lead projects, develop your skills across the full product lifecycle, and work with a supportive team that values innovation and continuous improvement. The Role As a Mechanical Design Engineer, you'll be designing sophisticated products from concept through to...
RPS Group
Jan 23, 2026
Principal Mechanical Design Engineer (Water)
RPS Group London, UK
Principal Mechanical Design Engineer (Water) We are currently in the market to recruit multiple Principal Mechanical Design Engineers (Water) for a variety of major long-term frameworks across the UK. In addition to a range of long-term programmes across the UK water industry RPS, and Tetra Tech, have successfully won a £100 million single-award framework from United Utilities to support the improvement of river health across the Northwest of England. RPS has been working with United Utilities for over 20 years on innovative projects. As we move towards AMP8, this is an exciting time to be working in the water industry, and collaborating with passionate organisations, gives our people the opportunity to create positive change. Under this 10-year framework, RPS will drive program optimisation, develop solutions, and select the preferred options based on best value, lowest carbon, and cost. Our mission is to deliver exceptional water services to...
AVK-SEG Ltd
Jan 23, 2026
Mechanical Design Engineer
AVK-SEG Ltd London, UK
AVK-SEG (est. 1989) is the UK’s leading provider of critical power systems and maintenance solutions, ensuring 100% power integrity for mission‑critical environments.   We are seeking a highly motivated Mechanical Design Engineer to join our Engineering Team in London. This role is ideal for someone with strong mechanical design experience who wants to work on high‑profile UPS and Generator projects across the UK and Europe.   Main Responsibilities Produce mechanical designs for UPS and Generator systems. Provide technical support to Sales during pre‑contract phases. Own mechanical package design from handover to completion. Develop design documentation including drawings, data sheets, calculations. Support Project Managers with documentation and testing procedures. Attend client, supplier and witness test meetings. Lead technical studies on mechanical systems. Requirements Essential: Mechanical Engineering degree or: equivalent. 3–5 years’ experience in...
RPS Group
Jan 23, 2026
Senior Mechanical Design Engineer (Water)
RPS Group London, UK
Senior Mechanical Design Engineer (Water) We are currently in the market to recruit multiple Senior Mechanical Design Engineers (Water) for a variety of major long-term frameworks across the UK. In addition to a range of long-term programmes across the UK water industry RPS, and Tetra Tech, have successfully won a £100 million single-award framework from United Utilities to support the improvement of river health across the Northwest of England. RPS has been working with United Utilities for over 20 years on innovative projects. As we move towards AMP8, this is an exciting time to be working in the water industry, and collaborating with passionate organisations, gives our people the opportunity to create positive change. Under this 10-year framework, RPS will drive program optimisation, develop solutions, and select the preferred options based on best value, lowest carbon, and cost. Our mission is to deliver exceptional water services to foster a...
SA
Jan 23, 2026
Senior Mechanical Design Engineer
SAVA London, UK
About Sava All the health information we need is within us. Just below the skin. SAVA is redefining the way people interact with their health by developing the most advanced biosensing technology science has to offer, capable of accessing bodily information in a painless, real-time and affordable way. The Role At Sava, we are looking for a Senior Mechanical Design Engineer to join our multi-disciplinary team to develop a next-generation biosensing device. In this role, you will contribute significantly to the mechanical design of our product. You will work closely with a diverse team of engineers and scientists across all stages of development, from R&D to scale production. We value people who are keen to continuously learn, adapt and contribute to both product development and team growth. The ideal candidate is highly motivated and driven, with a strong desire to grow and advance within our rapidly growing company.  What You’ll Do Support mechanical design...
AtkinsRéalis
Jan 23, 2026
Mechanical Design Engineer – Nuclear
AtkinsRéalis Epsom, UK
Job Description Are you a Mechanical Design Engineer who thrives on solving difficult engineering problems? Are you drawn to complex projects and excited by the opportunity to rapidly progress into leadership positions, heading up projects and guiding junior engineers? If so, you might enjoy solving the energy industry’s most important mechanical engineering conundrums for a multitude of energy systems across a variety of clients. You could be designing test rigs in support of the development of the UKs nuclear fusion capabilities, carrying out structural integrity assessment of primary plant (for both civil and defence applications) to keep existing fleet generating, designing high integrity structures for new nuclear establishments, or leading one of many renewable energy projects across a growing carbon net zero portfolio. You’re likely to be juggling several projects simultaneously, so enjoying being adaptable is a must! The constant in this role is the...
AtkinsRéalis
Jan 23, 2026
Senior / Principal Mechanical Design Engineer
AtkinsRéalis Epsom, UK
Job Description Are you a Mechanical Design Engineer who thrives on leading the way on solving difficult engineering problems? Are you drawn to complex projects and excited by the opportunity to rapidly progress your technical leadership skills to the next level, heading up multi-disciplinary projects? If so, you might enjoy solving the energy industry’s most important mechanical engineering conundrums for a multitude of energy systems across a variety of clients. You could be Managing exciting projects designing test rigs in support of the development of the UKs nuclear fusion capabilities, carrying out structural integrity assessment of primary plant (for both civil and defence applications) to keep existing fleet generating, designing high integrity structures for new nuclear establishments, or leading one of many renewable energy projects across a growing carbon net zero portfolio. You’re likely to be juggling several projects simultaneously, so enjoying...
TAIT
Jan 23, 2026
Mechanical Design Engineer - Level III
TAIT Haverhill CB9, UK
TAIT partners with artists, brands, IP holders and place makers to bring culture-defining, never-before-seen experiences to life. With a legacy of innovation spanning over 45 years, TAIT has grown from pioneering in rock ‘n’ roll concert staging to setting the global standard for extraordinary live events and experiences through cutting-edge technology, precision engineering, and creative design. TAIT’s 20 global offices have developed iconic productions and experiences in over 30 countries, all seven continents, and even outer space for renowned performers, theme parks, exhibits, and venues across the globe, including partnerships with Taylor Swift, Cirque Du Soleil, Royal Opera House, Nike, NASA, Bloomberg, Google, Beyoncé, and The Olympics Position Purpose: The MDE Level III is a competent and experienced design engineer, able to execute all design phases of a project (or multiple projects simultaneously). They may assume overall project responsibility or...
TAIT
Jan 23, 2026
Mechanical Design Engineer I
TAIT Haverhill CB9, UK
TAIT partners with artists, brands, IP holders and place makers to bring culture-defining, never-before-seen experiences to life. With a legacy of innovation spanning over 45 years, TAIT has grown from pioneering in rock ‘n’ roll concert staging to setting the global standard for extraordinary live events and experiences through cutting-edge technology, precision engineering, and creative design. TAIT’s 20 global offices have developed iconic productions and experiences in over 30 countries, all seven continents, and even outer space for renowned performers, theme parks, exhibits, and venues across the globe, including partnerships with Taylor Swift, Cirque Du Soleil, Royal Opera House, Nike, NASA, Bloomberg, Google, Beyoncé, and The Olympics Position Purpose: The MDE Level I is a developing design engineer able to be involved in design phases of projects. They may assume responsibility for elements or kits with supervision and will be aware of progress and...
Mace
Jan 23, 2026
Mechanical Design Engineer
Mace London, UK
Mace combines construction expertise with consultancy to unlock potential in every person or project and redefine the boundaries of ambition. Our values shape the way we consult and define the people we want to join us on our journey. Design mechanical systems to concept stage, ensuring compliance and technical assurance through construction. Support tender processes, surveys, and handover. Act as client technical advisor, driving carbon strategies and delivering well-engineered projects across government frameworks with a proactive, solutions-focused approach. You’ll be responsible for: Managing the deliverables through themselves and direct reports. Providing design and manages the developing design as per contract requirements. Collaborating with the wider design disciplines, client personnel and construction teams. Assisting with the production of reporting information. Attends/participates in client meetings and design workshops as necessary. Governing direct reports...
Responsum Global Ltd
Jan 23, 2026
Intermediate + Senior Electrical Design Engineer | Clear Progression Path | RG/6484
Responsum Global Ltd London, UK
The Position As a Mechanical Design Engineer you’ll: • Contribute to award-winning, high-performance buildings across commercial, education, health, and critical infrastructure sectors. • Design & deliver mechanical design services for a wide range of buildings across the sectors, including commercial, residential, education, life sciences and healthcare. • Work closely with other engineers to deliver innovative, sustainable, and resilient solutions. • Contribute to the success of our new London office by supporting projects from concept to completion working closely with your colleagues across the wider team. • Develop your technical expertise while building strong client relationships, taking ownership and initiative wherever possible. About You • 5+ years’ experience in mechanical design engineering • Consultancy background with direct MEP experience on built environment projects • Collaborative mindset and eagerness to contribute to a growing office and...
Eppendorf
Jan 23, 2026
Refrigeration Design Engineer
Eppendorf Maldon CM9, UK
Your challenges Design & development of ultra-low temperature refrigeration systems to meet customer and product requirements following agile methodology of product development.Use of specific numeric calculation methods to assure design performance while minimizing investment on prototype and experiments building, calibrate models targeting representativeness.Create and review specifications of refrigeration systems and components for use either to prototypes or off tooling units. Assure refrigeration specifications are feasible to source by connecting to suppliers and manufacturing operations.Provide specific documentation related to product design to meet regulatory compliance: ISO 9001, 13485 and organization requirements.Advocate on refrigeration testing by making sure product and testing quality level is appropriate. Guide testing engineers on testing planning and execution. Analyze testing results, understand product improvement opportunities and drive...
QinetiQ
Jan 23, 2026
Electronics Design Engineer
QinetiQ Ashford, UK
The Role As an Electronics Design Engineer, you’ll play a key part in designing, developing and supporting electronic systems for a family of unmanned target vehicles used in live trials and operational training environments. Day-to-day, you’ll work closely with mechanical and software engineers in a factory-based, in-house environment, contributing to both new product development and the ongoing support of established platforms. Essential experience of the Electronics Design Engineer: Experience working in, or exposure to, an electronics design or development environment A good understanding of analogue and/or digital electronic design principles, appropriate to your level Ability to produce clear, structured technical reports and design documentation, or a willingness to develop this skill Comfortable working as part of a multi-disciplinary engineering team, collaborating with others to deliver solutions Experience using electronic test and measurement equipment, or...
Elix Sourcing Solutions
Jan 23, 2026
Electronics Design Engineer
Elix Sourcing Solutions Sandwich, UK
Electronics Design Engineer Location: Near Sandwich (Hybrid 2 days from home) Package: Competitive salary, 9 day working fortnight, profit bonus, and more benefits Security requirements: Must have lived in the UK consecutively for 5 years+ Are you looking for ownership, variety, and the chance to shape brand-new products from concept to release? Do you want to work in a business that invests heavily in engineering and gives you room to grow? This role is for a well-established but rapidly expanding technology manufacturer working on advanced electromechanical systems. With a strong pipeline of new projects, they're now looking for an Electronics Design Engineer who wants to work across the full product lifecycle and collaborate closely with software and mechanical teams. This is a great opportunity for someone who enjoys solving real engineering problems, working on complex hardware, and seeing their designs go all the way through into production. The Role As an...
Aecom
Jan 23, 2026
Cable System Design Engineer
Aecom London, UK
Job Description Start here. Grow here. We are seeking ambitious  Cable System Design Engineers  to join our growing Transmission & Distribution (T&D) team. If you're looking to develop your career and gain exposure to innovative and exciting projects, now is a great time to join us! You'll play a key role in delivering a range of cable system projects across multiple voltage levels, serving clients including Transmission System Operators, Distribution Network Operators, and private developers worldwide. You will also get to contribute to projects throughout their entire lifecycle - from feasibility and concept through to detailed design, installation supervision, and commissioning of onshore infrastructure. This is a fantastic opportunity to contribute to some of the most exciting infrastructure and energy transition projects in the world. Here’s what you will do: Contribute to the delivery of full lifecycle cable engineering packages from feasibility studies...
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