Senior Principal Mechanical Engineer jobs in Bristol – Browse 379 openings on RoboApply Jobs

Senior Principal Mechanical Engineer jobs in Bristol

Open roles matching “Senior Principal Mechanical Engineer” with location signals for Bristol. 379 active listings on RoboApply Jobs.

379 jobs found

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AECOM logo
Full-time|On-site|Bristol

AECOM seeks a Principal Mechanical Engineer to join the Bristol office. This position leads engineering projects that shape real-world outcomes, focusing on the design and delivery of mechanical systems across various sectors. Role overview The Principal Mechanical Engineer manages projects from initial concept to final delivery. The role emphasizes technica…

Apr 27, 2026
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Assystem logo
Full-time|On-site|Bristol

As a Senior Principal Mechanical Engineer at Assystem, you will play a crucial role in leading the design and development of innovative mechanical systems. Your expertise will drive engineering excellence while collaborating with multidisciplinary teams to deliver cutting-edge solutions. We are seeking a highly skilled professional who is passionate about engineering and eager to take on complex challenges in a dynamic environment.

Apr 14, 2025
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Assystem logo
Full-time|On-site|Bristol

Assystem is seeking a talented Senior Mechanical Engineer to join our dynamic team in Bristol. In this pivotal role, you will be responsible for leading mechanical design projects, ensuring compliance with industry standards, and collaborating with cross-functional teams to deliver innovative engineering solutions. Your expertise will be crucial in driving project success and enhancing our engineering capabilities.

Mar 19, 2026
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Ramboll Group logo
Full-time|On-site|Bristol

Join our innovative team at Ramboll as a Senior Mechanical Engineer, where you will have the opportunity to lead and contribute to exciting engineering projects. You will play a pivotal role in designing and implementing mechanical systems that enhance our projects' efficiency and sustainability. Your expertise will guide our team in delivering high-quality engineering solutions that meet client needs and exceed industry standards.

Dec 11, 2025
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Ramboll logo
Full-time|On-site|Bristol

Join Ramboll as a Senior/Principal Electrical Engineer and play a crucial role in shaping innovative solutions in electrical engineering. You will be responsible for leading projects, providing technical expertise, and collaborating with a dynamic team to deliver exceptional results.

Dec 11, 2025
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AECOM logo
Full-time|On-site|Bristol

Join AECOM as a Principal Mechanical Engineer specializing in the water sector. In this pivotal role, you will lead engineering projects, drive innovation, and ensure that our designs meet the highest standards of performance and sustainability.

Mar 30, 2026
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Syntegon Technology GmbH logo
Senior Mechanical Design Engineer

Syntegon Technology GmbH

Full-time|On-site|Bristol

Syntegon Technology GmbH is looking for a Senior Mechanical Design Engineer in Bristol. This position centers on leading mechanical design projects from concept to completion. The role involves guiding the development of mechanical systems and working closely with colleagues across various disciplines. Role overview This engineer will take responsibility for delivering mechanical solutions that align with industry standards. The work includes both hands-on design and project leadership, ensuring that each system meets quality and performance expectations. Collaboration Expect frequent collaboration with cross-functional teams. Sharing expertise and coordinating with others is essential to move projects forward and achieve successful outcomes. Requirements Strong background in mechanical design Experience leading design projects Ability to work effectively with multidisciplinary teams

Apr 29, 2026
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Assystem logo
Full-time|On-site|Bristol

Join Assystem as a Senior Mechanical Design Engineer and be part of a dynamic team driving innovation in mechanical design solutions. In this role, you will leverage your expertise to develop cutting-edge designs and contribute to projects that shape the future of engineering. Your responsibilities will include collaborating with cross-functional teams, ensuring designs meet industry standards, and optimizing processes for efficiency.

Jun 18, 2024
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Assystem logo
Full-time|On-site|Bristol

Join our dynamic team at Assystem as a Mechanical Engineer. You will play a pivotal role in designing and enhancing mechanical systems that contribute to cutting-edge projects. Collaborate with cross-functional teams to ensure that engineering solutions meet industry standards and exceed client expectations.

Feb 16, 2026
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Full-time|On-site|Bristol Office

Our VisionAt Vertical Aerospace, we are at the forefront of transforming electric aviation. Our flagship eVTOL aircraft, the Valo, is designed to achieve 'zero emissions' and will establish new benchmarks for safety in aviation.We aim to revolutionize aerospace practices, moving away from outdated conventions to reshape the future of flight. As we evolve from a prototype company into a thriving small-to-medium enterprise (SME), the next few years are pivotal for us in achieving our ambitious objectives. Our goal is to secure airliner-level safety certification by 2028, paving the way for operational service with our airline partners.Your RoleThis unique opportunity allows you to influence a fundamental component of a groundbreaking aircraft. As the Principal Propeller Engineer, you will serve as the technical expert for propeller systems, directly impacting design choices, certification processes, and system integration.You will collaborate within a small, skilled team across various disciplines to create a safe, reliable, and certifiable solution for the Valo. Your role will be hands-on and central to overcoming one of our key engineering challenges.Your ResponsibilitiesServe as the technical authority on propeller systems, guiding design, development, and certification efforts.Establish, evaluate, and endorse the propeller architecture, including blade design, hub, spinner, and associated hardware, ensuring compliance with safety, performance, and regulatory standards.Assume responsibility for complex engineering initiatives, from analysis and design trade-offs to drafting and reviewing certification documentation.Make informed technical decisions, considering trade-offs, even under uncertain or incomplete data conditions.Lead and assist in propeller certification activities to CS-P standards, contributing to broader aircraft-level certification under SC-VTOL.Utilize extensive knowledge of materials, manufacturing techniques, and operational behavior to guarantee the durability, maintainability, and certifiability of the propeller system.

Jan 23, 2026
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Assystem logo
Full-time|On-site|Bristol

Join Assystem as a Mechanical Configuration Engineer and be part of a dynamic team dedicated to delivering innovative engineering solutions. In this role, you will be responsible for developing and managing mechanical configurations, ensuring that all engineering specifications are met and maintained.We seek a proactive individual with a passion for engineering and a keen eye for detail. This position offers a unique opportunity to contribute to exciting projects while enhancing your professional growth.

Feb 3, 2026
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Full-time|On-site|Bristol Office

Join Vertical Aerospace as a Principal Loads and Aeroelastics Engineer, where you will play a pivotal role in the development of groundbreaking aerospace technologies. You will be responsible for conducting comprehensive analyses of loads and aeroelastic behavior in cutting-edge aviation systems. This is an exciting opportunity to contribute to innovative projects that redefine air travel.

Mar 12, 2026
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Assystem logo
Full-time|On-site|Bristol

Assystem is seeking a Principal EC&I Engineer to lead and innovate in our engineering projects. As a key member of our team, you will play a pivotal role in designing and implementing electrical, control, and instrumentation solutions that meet our clients' needs. This position offers the opportunity to work on cutting-edge projects within a dynamic and collaborative environment.

Apr 2, 2026
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AECOM logo
Full-time|On-site|Bristol

Kickstart your career and shape the future!Are you eager to collaborate with a team of skilled engineers and make significant strides in energy infrastructure? Join our Transmission & Distribution (T&D) Engineering team, where we offer comprehensive services from concept development to Power Systems Analysis, Cabling, Substations, Transmission and Distribution Infrastructure, System Balancing and Compensation, Protection Systems, SCADA, Communications, Converter Station Design, HVDC Systems, and Interconnectors, including international links.Be part of a transformative project in the UK - the National Grid's Great Grid Upgrade. AECOM, in partnership with our joint venture, has been selected as the design and consenting service provider for this groundbreaking initiative. This £9bn Enterprise partnership aims to connect clean energy to homes and businesses across England and Wales by 2030. Join us, advance your career, and contribute to this remarkable project!Your Responsibilities:As a Principal Overhead Line Engineer, you will play a pivotal role in our Transmission & Distribution team, engaging with clients to deliver technically demanding overhead line design projects. Your primary focus will be providing technical support and overseeing the design of transmission projects, particularly overhead transmission lines up to 400kV.Deliver technical support for complex overhead line designs on multi-disciplinary projects.Engage in major work programs such as GGP projects.Assist in proposal writing, detailing project timelines, resources, budgets, objectives, and goals.Provide ongoing technical support throughout project implementation, statutory planning, and public consultation events.Lead design activities related to overhead lines, including PLS-CADD modeling, line routing, structural analysis, design criteria formulation, sag-tension calculations, insulator/conductor specifications, clearance reports, and material selection.Conduct feasibility studies and ensure compliance with industry standards and regulations.Develop technical layouts and solutions for client presentations.Originate and review engineering deliverables, including designs, reports, and drawing packages.Perform internal quality checks of engineering drawings and calculations.Why Join Us?At AECOM, you will enjoy a variety of benefits and opportunities for professional growth, all while contributing to meaningful projects that make a difference.

Mar 10, 2026
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AECOM logo
Full-time|On-site|Bristol

AECOM is seeking a Principal Structural Engineer specialized in water projects to join our dynamic team in Bristol. As a key member of our engineering group, you will lead the design and analysis of structural elements for water infrastructure, ensuring that projects are delivered on time and within budget while adhering to all regulatory standards.

Jan 14, 2026
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Assystem logo
Full-time|On-site|Bristol

Join Assystem as a Lead Mechanical Engineer in Bristol, where you will play a pivotal role in shaping innovative engineering solutions. You will be responsible for leading a dynamic team, driving projects from conception through to execution, and ensuring high-quality engineering standards are met throughout.Your expertise will contribute to the development of cutting-edge technologies while collaborating with multidisciplinary teams to deliver exceptional results. You will engage with clients to understand their needs and translate them into actionable engineering strategies.

Apr 9, 2026
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Alten logo
Full-time|On-site|Bristol

Join Alten as a Mechanical Systems Installation Engineer and be part of a pioneering team dedicated to innovative engineering solutions. In this role, you will work on the installation, maintenance, and optimization of mechanical systems in a variety of applications. Your expertise will contribute to the success of our projects and enhance operational efficiency.

Mar 9, 2026
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AECOM logo
Full-time|On-site|Bristol

AECOM seeks an Associate Director of Mechanical Engineering based in Bristol. This leadership position steers mechanical engineering teams, manages project resources, and ensures high standards for technical work. Key responsibilities Guide and coordinate teams of mechanical engineers on a range of projects Oversee project delivery, maintaining quality across all engineering outputs Handle budget oversight and keep projects on schedule Mentor junior engineers and support their professional growth Collaboration and work style The role involves working closely with colleagues from various disciplines. Building effective partnerships across teams is essential to deliver strong engineering solutions.

Apr 27, 2026
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Assystem logo
Full-time|On-site|Bristol

Join our dynamic team at Assystem as a Mechanical Engineer, where you will play a crucial role in delivering innovative engineering solutions. This position is ideal for someone passionate about design and optimization in mechanical systems, eager to contribute to projects that make a real difference.

Apr 8, 2026
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AECOM logo
Full-time|On-site|Bristol

Join our dynamic team at AECOM as a Mechanical Engineer specializing in water projects. You will play a pivotal role in designing and implementing innovative engineering solutions that enhance water management systems. This position offers the opportunity to work on a variety of exciting projects that aim to improve efficiency and environmental sustainability.

Mar 30, 2026

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