Mechanical Systems Engineer Jobs In Wales - 1,296 Job Positions Available

A leading engineering consultancy is looking for a Principal Mechanical Engineer in Rhyl, UK. This key role involves providing strategic leadership in the design of mechanical systems for water and wastewater projects. The ideal candidate has a degree in Mechanical Engineering,

KLAs SPTS division in Newport seeks a Senior Mechanical Design Engineer to lead mechanical, structural and thermal design for vacuum environment equipment in a fast-moving semiconductor platform. You will collaborate with cross-disciplinary teams, support from concept to release, and

ARUP is seeking Building Services Mechanical Engineers at various levels to lead, design and deliver sustainable mechanical systems across diverse sectors. You will collaborate with multidisciplinary teams and drive innovative solutions from feasibility through detailed design to delivery. Ideal candidates

Falmouth (UK), Anglesey (Wales), Quimper (France) 29/09/2026 - 12:00 Inyanga Maritime is at the forefront of the global marine renewable energy industry, combining world-class engineering with specialist marine operations to deliver innovative solutions for offshore renewable

Job Description Mechanical Engineer£50,0004on4off Days/NightsYolk Recruitment is proud to represent a leading organisation In Mountain Ash, in their search for a Mechanical Engineer. With a strong focus on innovation, sustainability, and operational excellence, the company continues to invest in its

Job Description:   Melton Mowbray     £ 39,300   - £ 44,300   Dependent on experience     +  £5,0 00   Welcome bonus ,  Performance   Bonus & Exceptional Benefits     Hours:  37.5

MERITUS are recruiting for a Mechanical Design Engineer to join our client within the sovereign defence industry on an initial 6 month contract from their site in Bristol. MECHANICAL DESIGN ENGINEER - INSIDE IR35 - £50 PER HOUR - BRISTOL

Mechanical Maintenance Engineer Key Information: Location: Port Talbot Salary: £49,000 Shifts: Continental Sector: High-Volume Manufacturing Join a Leading Manufacturer at the Forefront of High-Speed Production This is your opportunity to join a well-established manufacturer based in Port Talbot,

Mechanical Engineer £50,000 4on4off Days/Nights Yolk Recruitment is proud to represent a leading organisation In Mountain Ash, in their search for a Mechanical Engineer. Operating as part of a wider group, the company is a key player in the area.

RWE Renewables UK Management Ltd.To start as soon as possible, full time, permanentGwynt Y Mor Offshore Windfarm require a Operations Engineer with a Mechanical bias to support its Engineering department based at the Port of Mostyn. The role

Ensera Design is a world-class user-centred innovation and product development consultancy, specializing in the medical and consumer health sectors with offices in Bristol, Colorado and New Jersey. As part of Ensera, we collaborate globally with contract

Inyanga Maritime is seeking a Senior Mechanical Engineer to lead design and delivery of the HydroWing tidal energy system, working across the full lifecycle from concept to offshore deployment. You will manage a small team, perform FEA calculations, and

OVERVIEW As Mechanical Design Engineer, you will report to the Engineering Manager and work closely with departments including Sales, Design, Purchasing and Production, as well as with suppliers and customers. The Mechanical Design Engineer will generate 3D models and 2D

Role Purpose Are you a seasoned Mechanical Design Engineer with a strong background in the water and wastewater sector? Due to continued success building on our existing framework agreements and a confident growth plan in AMP 8 and

Europe Mechanical Engineer & Project Engineer Position focuses on ensuring regulatory compliance and mechanical integrity across Europe. Responsibilities Lead mechanical integrity assessments for high‑risk assets across all European sites. Maintain and update the Mechanical Integrity Criticality Assessment Register. Develop written schemes of

Overview As Platform Mechanical Design Engineer, you will design and validate core mechanical, thermal, and vacuum systems that integrate SPTS process equipment into customer fabs. You’ll work in a cross-functional, multi-disciplinary team to meet tight regulatory and project deadlines, while

Mechanical Design Engineer (Lead / Principal grade) Our client is seeking a highly experienced Principal Mechanical Engineer (contract or permanent) to lead the design and delivery of complex water and wastewater infrastructure projects. This is a key technical leadership role

Arcadis is recruiting multiple Principal Mechanical Design Engineer roles to support AMP8 water projects across the UK. You will lead multidisciplinary delivery teams, drive innovative mechanical design strategies and ensure delivery of safe, compliant process plant systems for water and