Principal Mechanical Engineer

Company IconMott MacDonald
Location IconReading

Overview As Principal Mechanical Engineer, lead the mechanical design and lifecycle execution of water and wastewater projects, shaping systems that protect communities and the environment. You will mentor engineers, coordinate across disci...Read More>>.

Posted: September 30th, 2026
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Principal Mechanical Engineer

Company IconAssystem
Location IconHelensburgh

Overview In this role you support the Client Design Authority to safeguard and optimize infrastructure systems within a highly regulated environment. You will shape mechanical design packages, ensure safety and regulatory compliance, and co...Read More>>.

Posted: September 30th, 2026
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Principal Mechanical Design Engineer

Company IconRoss-shire Engineering
Location IconCumbernauld

Overview In this role, you will lead mechanical design across scoping, detailed design and implementation for our water treatment solutions, ensuring compliance with client specifications and current standards. You’ll work within a multid...Read More>>.

Posted: October 1st, 2026
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Mobile Mechanical Engineer

Company IconHays
Location IconCambridge

Overview In this role you will join a facilities management and engineering team to maintain mechanical systems and plant across multiple sites. You’ll blend hands-on technical work with compliance, safety, and operational leadership to k...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Design Engineer

Company IconLight & Wonder
Location IconChadderton

Overview As a Mechanical Design Engineer, you will design and deliver mechanical and electromechanical solutions for cutting-edge electronic gaming machines. You’ll transform briefs into manufacturable designs, producing precise CAD data...Read More>>.

Posted: October 1st, 2026
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Mechanical Design Engineer (Tooling)

Company IconLockheed Martin
Location IconAmpthill

Overview In this role, you will design, develop and implement industrial tooling, fixtures and related production aids to support manufacturing and product development. You will work within the Operations Engineering team to reduce costs, i...Read More>>.

Posted: October 1st, 2026
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Principal Mechanical Design Engineer

Company IconSearch Consultancy
Location IconLondon

Overview As a Principal Design Engineer, you will lead the design and delivery of complex building services projects across multiple sectors. You’ll guide multidisciplinary teams, coordinate with architects and clients, and ensure complia...Read More>>.

Posted: October 1st, 2026
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Responsible Mechanical Engineer

Company IconNES Fircroft
Location Icon

Overview Senior technical authority role at a major Teesside industrial site, focused on keeping mechanical assets safe, compliant and reliable while shaping long-term asset integrity strategy. You will lead mechanical engineering activitie...Read More>>.

Posted: October 1st, 2026
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Principal Mechanical Engineer

Company IconAFRY
Location Icon

Overview In this role, you join AFRY’s Energy Division to lead engineering projects across thermal and renewable energy. You will deliver high‑quality design outputs, conduct technical and economic feasibility work, and support project...Read More>>.

Posted: October 1st, 2026
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Mechanical Engineer - Nuclear

Company IconAlten
Location IconBristol

Overview As a Mechanical Design Engineer at ALTEN, you own engineering work from concept to detailed design and manufacture. You will collaborate with project, commercial, and engineering teams to deliver robust solutions that support proje...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Design Engineer

Company IconTurntide
Location IconGateshead

Overview In this role you will lead the design and development of advanced mechanical systems for rotating machines, transmissions, and drivetrains, with hands-on prototyping and validation. You’ll drive concepts from initial idea to prod...Read More>>.

Posted: October 1st, 2026
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Principal Mechanical Engineer

Company IconVantage Data Centers
Location IconLondon

Overview As Principal Mechanical Program Engineer, you will shape mechanical systems for hyperscale digital infrastructure, leading engineering for product development and standardization. You’ll guide project engineers, support site deve...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconPeace Recruitment Group
Location IconEdinburgh

Overview As a Senior Mechanical Engineer you will lead building services design across diverse projects in Edinburgh, driving integrated, sustainable solutions. You will work closely with architects and electrical engineers to ensure cohesi...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Design Engineer

Company IconCubed Resourcing
Location IconShipley

Overview As Senior Design Engineer you will drive technically robust, innovative solutions from concept to delivery within the New Product Development function. You’ll provide technical leadership across projects, shaping design decisions...Read More>>.

Posted: October 1st, 2026
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Associate Mechanical Engineer

Company IconAshbys Consulting
Location IconLondon

Overview Associate Mechanical Design Engineer at a renowned engineering consultancy. You will lead projects, manage key clients, and guide the mechanical team to deliver across complex building services. You’ll collaborate with the senior...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconRamboll Management Consulting
Location IconLondon

Overview In this role you will contribute to Ramboll's Building Services projects in London, delivering robust mechanical design for complex buildings. You will work within a multidisciplinary team, mentoring junior engineers and maintainin...Read More>>.

Posted: October 1st, 2026
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Principal Mechanical Engineer

Company IconAshbys Consulting
Location Icon

Overview In this role you will lead and coordinate mechanical design for building services across RIBA stages, with a focus on high-performance HVAC solutions for landmark projects. You will act as project lead on selected assignments, enga...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconArup
Location IconSouthampton

Overview Senior Mechanical Engineer at Arup leads mechanical design packages for new, retrofit and refurbishment projects, fostering low-energy, maintainable building services. You will coordinate multidisciplinary teams and shape performan...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Design Engineer

Company IconQinetiQ
Location IconGosport

Overview In this role you lead mechanical design delivery for complex tasks within a defence-focused environment, guiding multiple experts through design reviews and ensuring high technical standards. You’ll drive improvement during deliv...Read More>>.

Posted: October 1st, 2026
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Lead Mechanical Engineer

Company IconAssystem
Location IconBristol

Overview As a Mechanical Engineer in a regulated sector, you will lead mechanical and structural design, guiding teams from concept to manufacture. You’ll deliver robust solutions for bespoke handling systems and lifting equipment, ensuri...Read More>>.

Posted: October 1st, 2026
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Principal Mechanical Engineer

Company IconSafran Group
Location IconLondon

Overview As a Principal Electro-Mechanical Engineer, you will lead the technical and economic performance of mechanical systems for rotating machinery and electric machines across product lifecycles. You will shape roadmaps, perform market...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Design Engineer

Company IconAlexander Associates Technical Resources
Location IconGlasgow

Overview In this role, you will design and analyse mechanical components for launch vehicles, turning concepts into manufacturable hardware. You’ll work with multidisciplinary teams to deliver reliable, high-performance systems that endur...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Design Engineer

Company IconAALTO HAPS
Location IconFarnborough

Overview As a Senior Mechanical Design Engineer, you design and deliver mechanical solutions for Zephyr programmes within a multidisciplinary team. You will contribute to the digital design record and work with manufacturing, procurement, t...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Design Engineer

Company IconAssystem
Location IconBristol

Overview In this role you will develop fluid systems within a multi-disciplinary team, shaping safe and compliant mechanical designs for nuclear projects. You will deliver both 2D and 3D CAD outputs, participate in design reviews, and ensur...Read More>>.

Posted: October 1st, 2026
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Principal Mechanical Engineer

Company IconMatchtech
Location IconManchester

Overview In this role you will lead mechanical engineering on transformational programmes for critical UK infrastructure in the water sector. You’ll guide a design team and work with cross‑border teams to deliver integrated solutions th...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Design Engineer

Company IconJonathan Lee Recruitment
Location IconStafford

Overview In this role you will contribute to the design and development of mechanical systems for light helicopters. You will work within a focused engineering team to shape schemes and detailed designs for aircraft parts and assemblies. Yo...Read More>>.

Posted: October 1st, 2026
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Placement Mechanical Engineer

Company IconMott MacDonald Bentley
Location IconNewport

Overview In this year-long placement, you will split time between design and construction teams within the United Utilities framework, contributing to real-world water and wastewater projects. You will collaborate with experienced mechanica...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Design Engineer

Company IconSearch Consultancy
Location IconLondon

Overview In this role you lead mechanical design for building services across a diverse project portfolio, from concept through to completion, within a collaborative multidisciplinary team. You’ll develop sustainable HVAC and related syst...Read More>>.

Posted: October 3rd, 2026
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Associate Mechanical Design Engineer

Company IconHays
Location IconBirmingham

Overview As an Associate Director – Mechanical, you will assume a senior leadership role within a West Midlands consultancy, delivering mechanical design across diverse sectors while guiding teams and maintaining key client relationships....Read More>>.

Posted: October 3rd, 2026
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