Senior Mechanical Engineer jobs in London – Browse 3,920 openings on RoboApply Jobs

Senior Mechanical Engineer jobs in London

Open roles matching “Senior Mechanical Engineer” with location signals for London. 3,920 active listings on RoboApply Jobs.

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companyRamboll Group logo
Full-time|On-site|London

Join our innovative team at Ramboll Group as a Senior Mechanical Engineer. In this pivotal role, you will lead the design and implementation of engineering solutions for diverse projects, ensuring compliance with industry standards and optimizing performance. You will collaborate with multidisciplinary teams, mentor junior engineers, and contribute to the continuous improvement of engineering practices.

Dec 17, 2025
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companyEgis Group logo
Full-time|On-site|London

Join our dynamic team at Egis Group as a Senior Mechanical Engineer, where you will lead innovative engineering projects that shape the future of mechanical systems. You will be responsible for designing, analyzing, and optimizing mechanical components and systems to meet project specifications and safety standards. Your expertise will be crucial in collaborating with multidisciplinary teams to deliver high-quality projects that exceed client expectations.

Feb 10, 2026
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companyAllye Energy logo
Full-time|On-site|London

Key ResponsibilitiesLead the innovative design and development of cutting-edge mechanical systems, products, and components.Perform assessments on strength, stiffness, and fatigue of components, assemblies, and complete systems using both linear static and non-linear analyses.Utilize conceptual analysis and hand calculations to validate engineering designs and evaluate structural performance.Design and develop integrated cooling and heating systems for electric vehicles (EVs) and power electronics.Select and specify appropriate materials and components while creating detailed CAD drawings.Oversee the generation and upkeep of system and component-level Design Failure Mode and Effects Analysis (DFMEA).Conduct feasibility studies and cost-benefit analyses to validate design viability.Identify and troubleshoot design or manufacturing issues with CAD and analysis tools.Understand regulatory standards and define testing protocols to ensure system designs meet durability, reliability, and functionality requirements.Deliver schematics, final designs, and release drawings in accordance with project specifications.Assist in the creation of Request for Quotation (RFQ) and Request for Information (RFI) documents, supporting supplier engagement.Collaborate with suppliers to enhance cost, manufacturability, and quality of engineering designs.Provide expert technical guidance and support to technicians and aid system production.Facilitate the engineering release process from initial concept through to finalized drawings.Lead change management processes, root cause analyses, and implement corrective actions.Manage and develop the Design Verification Plan and Report (DVP&R) schedule.Stay updated with industry standards, regulations, and emerging technologies.

Feb 15, 2026
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companyOLIX logo
Full-time|On-site|London

About OLIXAt OLIX, we are at the forefront of the AI revolution, addressing the rapidly growing demand for advanced infrastructure in a world where traditional hardware is no longer sufficient. Our innovative Optical Tensor Processing Unit (OTPU) is set to redefine performance and energy efficiency, paving the way for the next generation of technology that will drive the economy for the next century.Role OverviewJoin our team as a Senior Mechanical Engineer, where you will play a pivotal role in designing cutting-edge hardware that harnesses the power of light. You will be responsible for the mechanical architecture of photonic subassemblies, ensuring precision and reliability in our advanced optical interconnect assemblies.Key ResponsibilitiesDesign and develop opto-mechanical assemblies such as waveguide coupling structures and precision alignment fixtures.Conduct tolerance chain analysis to maintain optical alignment budgets, considering thermal variations and long-term stability.Select and evaluate optical-grade materials, ensuring compatibility with thermal and manufacturing processes.Lead the thermal-mechanical co-design for photonic subassemblies, focusing on heatsink designs for high-performance components.Create and maintain GD&T drawings and engineering specifications for optical-grade components.Collaborate closely with optical, process, and reliability engineers to achieve optimal mechanical and optical outcomes.

Apr 2, 2026
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companyOrbital Industries logo
Full-time|On-site|Canada

At Orbital Industries, we leverage cutting-edge AI technology to design and manufacture data center hardware that surpasses industry standards. Our AI capabilities allow for atomic-level material simulations and rapid testing of thousands of hardware configurations, ensuring we identify and produce optimal designs that set us apart from the competition.Each deployment enhances our AI models, creating a continuous loop of improvement that results in superior hardware and more advanced AI capabilities. While our primary focus is on data centers due to their urgent market needs, our innovative development process is applicable across various complex physical systems.With facilities in Canada, the USA, and the UK, we are expanding our teams in machine learning research, product development, mechanical engineering, and chemical engineering. If you're passionate about the intersection of AI and material science, we invite you to join our team.Role OverviewWe are currently seeking an exceptional and forward-thinking Senior Mechanical Engineer to spearhead the design and optimization of cutting-edge modular data centers. This role focuses on pioneering two-phase direct-to-chip cooling applications utilizing our exclusive fluid discoveries, as well as developing dual-use chiller systems for concurrent data center cooling and carbon capture.As a Senior Mechanical Engineer, you will be deeply involved in groundbreaking research, contributing to the design and layout of mechanical systems for data center equipment, while actively engaging in lab experiments to validate the performance and effectiveness of our innovative cooling solutions and integrated carbon capture systems.

Sep 2, 2025
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companyMytos logo
Full-time|$190K/yr - $190K/yr|On-site|London

About UsAt Mytos, we are revolutionizing the biotech industry. Join our mission to empower scientists, expedite their research efforts, and facilitate quicker access to life-saving treatments.We have engineered cutting-edge machines to fully automate human cell production—previously one of the most labor-intensive tasks in biotechnology. Our cells play a crucial role in the discovery and development of new pharmaceuticals, contributing to breakthroughs in treating conditions such as Parkinson’s disease and age-related blindness. Mytos is set to transform the landscape of cure development.Currently operational in multibillion-dollar biotech firms across both coasts of the United States, we have successfully secured $19 million in funding to expedite our market entry and boost product development. Next year, neurons cultivated using our machines will be introduced into the brains of Parkinson's patients.Our team comprises top-tier professionals, including former engineers from Dyson and scientists published in prestigious journals such as Nature. To learn more about your potential Mytos colleagues, click here.Mytos is proudly supported by Y Combinator, the leading startup accelerator responsible for nurturing successful companies like Airbnb, Dropbox, and Ginkgo Bioworks.

Jul 15, 2025
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companyOLIX logo
Full-time|On-site|London

About OLIXAt OLIX, we are pioneering the future of AI technology. With the rapid growth of AI outpacing any technology in history, there is a critical infrastructure gap in chip and power station production. Our innovative solution, the Optical Tensor Processing Unit (OTPU), is set to redefine performance and energy efficiency standards, creating unprecedented opportunities in the tech landscape for the coming decades.The Role:We are looking for a passionate and skilled Senior Mechanical Simulation Engineer to spearhead the analysis, simulation, and optimization of precision opto-mechanical systems and advanced substrate structures that are vital for the performance of our OTPUs. This role is perfect for a candidate with extensive experience in advanced simulations focusing on structural response (static and modal), thermal transfer, optical alignment, and fluid flow modeling. You will lead simulation-driven development of precision assemblies and materials that meet our stringent optical, thermal, mechanical, fluid flow, and reliability standards.Collaboration is key in this position. You will work closely with teams across mechanical, optical, electrical, and materials domains to ensure that our designs maintain exceptional stability, thermal performance, and structural integrity throughout manufacturing and operation.

Feb 20, 2026
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companyCarbon Clean logo
Contract|On-site|London, England, United Kingdom

As a Senior Mechanical Engineer specializing in Rotating Equipment, you will play a pivotal role in the design and development of cutting-edge mechanical systems. Your responsibilities will include:Innovative Design: Develop and create advanced mechanical designs for various products, components, and systems utilizing CAD software and adhering to engineering best practices.Feasibility Studies: Assess the viability of design proposals by considering cost, manufacturing constraints, and material characteristics.Material Selection: Choose suitable materials for mechanical systems based on their strength, weight, durability, and cost-effectiveness.Engineering Calculations: Conduct intricate calculations, including stress, thermal, and rotordynamics analyses to ensure the reliability and safety of mechanical systems.Collaborative Engineering: Partner with engineers, technicians, and manufacturing teams to guarantee that designs are practical and fulfill project specifications.Mentorship: Provide guidance and technical support to junior engineers and site maintenance teams.Failure Analysis: Lead root cause analysis investigations and propose corrective measures.Technical Support: Offer assistance during the installation, commissioning, and startup of rotating equipment.Documentation: Maintain precise design documentation, specifications, and reports; communicate design ideas and technical details effectively to stakeholders.Continuous Improvement: Keep abreast of industry advancements, emerging technologies, and best practices to enhance the design process.

Feb 13, 2026
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companyOrbital Industries logo
Full-time|On-site|London, UK

Orbital Industries develops advanced hardware for AI data centers, focusing on both high performance and sustainability. The company relies on an AI-driven platform that blends automated hardware engineering with material science. Teams bring together expertise from AI research, operations, advanced materials, mechanical and chemical engineering, and manufacturing. Collaboration across these areas shapes every product. The culture values people who care about physical technology, are curious about AI, and enjoy learning alongside others in a collaborative environment. Role overview This Senior Mechanical Engineer position centers on modular data centers. The role involves designing and improving systems that use two-phase direct-to-chip cooling with Orbital’s proprietary fluids. Work also includes developing chiller systems that handle both data center cooling and carbon capture, as well as planning mechanical layouts for data center equipment. What you will do Design and refine modular data centers, focusing on two-phase direct-to-chip cooling systems with proprietary fluids. Develop chiller systems that support both cooling and carbon capture functions. Create layouts and designs for mechanical systems within data center equipment. Conduct lab experiments to test and validate cooling and carbon capture solutions. Contribute to both strategic planning and hands-on research as part of the Modular Data Center team. Requirements Proven experience as a mechanical engineer with a history of innovative design. Strong interest in advanced cooling technologies and sustainable hardware. Comfortable working within integrated, multidisciplinary teams. Curiosity about AI and its role in hardware engineering. Located in or able to work from London, UK.

Apr 22, 2026
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companyAssystem logo
Full-time|On-site|London

Join Assystem as a Mechanical Configuration Engineer in London, where you will play a crucial role in ensuring the integrity and coherence of mechanical designs throughout the product lifecycle. You will collaborate with multidisciplinary teams to optimize configurations and enhance performance, contributing to innovative engineering solutions.

Feb 3, 2026
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companyRamboll logo
Full-time|Hybrid|London

Join our dynamic UK Healthcare team at Ramboll, where your expertise in mechanical building services design will play a crucial role in delivering innovative and sustainable healthcare projects, both in the UK and internationally.To excel in this position, you should possess strong communication skills along with extensive experience in the design and construction of healthcare facilities.As a Senior Mechanical Design Engineer, you will be responsible for crafting resilient, sustainable, and innovative engineering solutions for our healthcare projects while facilitating the delivery of Ramboll's engineering advisory and design services throughout all stages of the project lifecycle.Our healthcare projects encompass a variety of endeavors, from major new constructions to the refurbishment of existing facilities, with a focus on sustainability and decarbonization initiatives.

Mar 17, 2026
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companyionate logo
Full-time|On-site|London, England, United Kingdom

Join ionate as a Mechanical Design Engineer where you will play a crucial role in creating innovative mechanical designs that meet our clients' needs. In this position, you will collaborate with cross-functional teams to develop cutting-edge solutions, ensuring functionality and feasibility throughout the design process.

Mar 24, 2026
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companyRamboll Group logo
Full-time|On-site|London

Join our dynamic team at Ramboll Group as a Mechanical Associate in Healthcare Engineering. In this pivotal role, you will contribute to innovative projects that enhance healthcare infrastructure and improve patient outcomes. This position is ideal for a dedicated professional eager to develop their skills in a collaborative and forward-thinking environment.

Feb 4, 2026
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companyRamboll logo
Full-time|On-site|London

Join Ramboll as a Principal Mechanical Design Engineer, specializing in the healthcare sector. You will leverage your expertise to drive innovative design solutions that enhance healthcare environments and patient experiences. Collaborate with cross-functional teams to deliver high-quality projects that meet rigorous industry standards.

Feb 4, 2026
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companyEgis Group logo
Full-time|On-site|London

Join Egis Group as an Associate Director of Mechanical Engineering, where you will lead a team of talented engineers in delivering innovative mechanical solutions for various projects. Your expertise will guide the design and implementation of engineering systems that meet our clients' needs while adhering to industry standards.

Oct 27, 2025
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companyAssystem logo
Full-time|On-site|London

Join Assystem as a Senior Stress Engineer and play a pivotal role in ensuring the structural integrity and performance of our innovative engineering solutions. You will collaborate with a talented team, applying your expertise in stress analysis to develop cutting-edge designs across various projects.

Dec 15, 2025
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companyAECOM logo
Full-time|On-site|London

AECOM is seeking an Associate Mechanical or Electrical Services Engineer based in London. This position centers on providing engineering solutions for projects that shape the built environment. Role overview The role involves collaborating with colleagues from different disciplines and backgrounds. Expect to work as part of a multidisciplinary team, contributing expertise in either mechanical or electrical services engineering. Key responsibilities Deliver engineering solutions for a variety of projects related to the built environment Work closely with team members from multiple specialties Collaboration This role requires regular interaction with professionals across the organization, supporting integrated project delivery.

Apr 28, 2026
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companyAyming logo
Full-time|On-site|London

Ayming is seeking a passionate and skilled Mechanical Engineering Consultant to join our Research and Development team in London. In this pivotal role, you will drive innovative engineering solutions while collaborating with a diverse team of experts to enhance product development.

Mar 20, 2026
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companyAECOM logo
Full-time|On-site|London

Role Overview AECOM is seeking a Principal Mechanical Engineer with experience in the water sector to join the London team. This role focuses on designing and delivering mechanical systems that support sustainable water management and infrastructure projects. What You Will Do Lead and oversee project teams working on water sector mechanical engineering projects Design, develop, and implement mechanical systems for water resources and infrastructure Ensure all work complies with relevant industry standards and regulations Collaborate with colleagues across disciplines to deliver projects on schedule and within budget What We Value AECOM values experienced engineers who bring fresh perspectives and a collaborative approach to problem-solving. Initiative and technical expertise are welcomed in our team-focused environment.

Apr 14, 2026
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companyFuse Energy logo
Full-time|On-site|London, England, United Kingdom

Join Fuse Energy, a visionary renewable energy startup on a mission to rapidly deliver a terawatt of renewable energy. We are pioneering an innovative energy system through first-principles thinking and advanced technology. Backed by $170M from prominent investors including Multicoin, Balderton, Lakestar, Accel, Creandum, Lowercarbon, Ribbit, and strategic angels like Nico Rosberg, co-founder of Solana, we are positioned at the forefront of the energy revolution.Our integrated energy company develops solar, wind, and hydrogen projects, engaging in real-time power trading and distributed energy installations. By selling directly to consumers, we eliminate intermediaries, reduce costs, and pass the savings on to our customers.Additionally, we are creating the Energy Network: a decentralized platform of intelligent devices that rewards users in Energy Dollars for electrifying their homes, shifting energy usage to off-peak hours, and contributing to grid stability. This network is essential for the scalability of AI data centers and other energy-intensive industries.We are seeking a dynamic Mechanical Engineer who is not only technically adept but also passionate about tackling complex challenges in the renewable energy sector. This role transcends traditional engineering, involving technical problem-solving, renewable energy engineering, and driving business development, market research, and techno-feasibility assessments.

Dec 5, 2025

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