thermal systems engineer jobs in Wales

You will work in a supportive environment where people feel valued and are encouraged to achieve their full potential.

You will have the opportunity to work on UK and multinational projects that are pivotal to the future success of MBDA and the security of the UK.

Join our team as an innovative mechanical engineer specializing in complex system integration and performance modeling across critical infrastructure projects. Responsibilities include the design, analysis, and implementation of thermal management and fluid dynamic systems, ensuring optimal energy efficiency and operational reliability for specialized environments. Candidates must demonstrate...

We are seeking a Senior Systems Engineer with deep experience delivering requirements-based testing, IVVQ campaigns, and end-to-end trials across complex, safety- and mission-critical defence systems. You'll lead laboratory, rig, field, and sea trials, coordinating multidisciplinary teams and ensuring compliance, certification, and airworthiness objectives are met across development cycles. This...

Join our team as an innovative mechanical engineer specializing in complex system integration and performance modeling across critical infrastructure projects. Responsibilities include the design, analysis, and implementation of thermal management and fluid dynamic systems, ensuring optimal energy efficiency and operational reliability for specialized environments. Candidates must demonstrate...

Join our team as an innovative mechanical engineer specializing in complex system integration and performance modeling across critical infrastructure projects. Responsibilities include the design, analysis, and implementation of thermal management and fluid dynamic systems, ensuring optimal energy efficiency and operational reliability for specialized environments. Candidates must demonstrate...

Join our team as an innovative mechanical engineer specializing in complex system integration and performance modeling across critical infrastructure projects. Responsibilities include the design, analysis, and implementation of thermal management and fluid dynamic systems, ensuring optimal energy efficiency and operational reliability for specialized environments. Candidates must demonstrate...

Manufacturing Systems Software Engineer (OT / Smart Factory) Wrexham MonThurs 08:00 17:15 | Fri 08:00 16:15 £35,000 £40,000 Permanent A leading manufacturing and automation company in Wrexham is looking for a Manufacturing Systems Software Engineer to join their automation team. The business designs and builds advanced production lines and uses robotics, automation and smart factory technology to...

Job Title: Fire & Security Systems Engineer Location : Mold Salary: Starting salary of £30,000 to £40,000 (dependent on experience) plus bonus with potential OTE of £50,000+ Job Type: Permanent, Full Time Are you passionate about safety and security? Do you thrive in a dynamic environment where your expertise can make a real difference? Look no further! We are seeking dedicated professionals...

Job Description Fire & Security Systems Engineer North Wales & Chester (allocated postcode areas) £30,000 £35,000 basic + commission OTE £40,000 £50,000+ Im recruiting on behalf of a rapidly growing fire and security provider thats continuing to expand its footprint across North Wales and the Chester area. With a strong and consistent workload across education, housing, property management and...

You will be the technical architect for control strategies, moving beyond simple PID loops to implement robust, high-performance control laws capable of operating in demanding environments and high-dynamic manoeuvres. What will be your responsibilities:

Position Title: Electrical Engineer – BESS Salary: £45K - £55K + bonus Location: United Kingdom Your New Employer You’ll be joining a globally respected energy solutions provider at the forefront of utility-scale battery energy storage. With a strong track record in grid-connected projects and an international footprint, the business delivers full turnkey BESS solutions for some of the most...

Contract – 8 Months Inside IR35 Remote – UK Power Systems Consultant (EMT & RMS Studies) The consultant will support power system projects across multiple phases by delivering high-quality electrical studies and technical documentation. Key Responsibilities - Develop and validate EMT and RMS models for assets such as WTGs, PPCs, and STATCOMs. - Plan and execute design and Grid Code...

You will be someone with firm understanding of requirements management across all Defence Lines of Development, with experience across Operating Domains.

You should have a positive, flexible and self-motivated attitude, and be keen to develop yourself and others within the team.

You will be based at either our Barnstaple, Bristol or Beckington sites and allows for flexible working, including home working were appropriate. This role allows for flexible working patterns including home working (with attendance at SEAs offices being minimal - typically only required for quarterly progress meetings in Bristol and other occasional, irregular meetings at SEAs premises).

Job Description Field Engineer - Fire Systems (Gent / Small Works / Panels) *** Ex-Military Engineers considered and welcomed*** £37,000 - £44,000 DOE + Career Progression + Training + Company Vehicle (private mileage included) + Door-to-Door + Overtime + 22 days holiday Bristol Are you a Field Service Engineer with experience in fire or security systems looking to join a fast-growing company...

You will lead teams that use Systems thinking to analyse, assess and develop ways to mitigate safety, environmental and cyber threats across Aerospace, Defence, Security and Technology markets.

You will have the opportunity to work for leading global consultancy who work across a wide variety of projects with a top reputation for their design and engineering expertise.

Job Description Bristol At MBDA, we are growing our Electromagnetic Warfare (EW) capabilities; consequently, the EW Group are recruiting an EW Systems Engineer who will form a critical part of the team that is developing current and future EW Weapon Systems. Salary: Up to £55,000, depending on experience Dynamic (hybrid) working pattern : We trust our people to agree, within their teams,...

Job Description Manufacturing Systems Software Engineer (OT / Smart Factory) Wrexham MonThurs 08:00 17:15 | Fri 08:00 16:15 £35,000 £40,000 Permanent A leading manufacturing and automation company in Wrexham is looking for a Manufacturing Systems Software Engineer to join their automation team. The business designs and builds advanced production lines and uses robotics, automation and smart...

Job Description Systems Engineer - Undergraduate Placement 2026 Salary: £23,495 Dynamic (Hybrid) Working: Where possible, we will seek to accommodate a blended approach to on-site and remote working, but this will depend on project requirements and the need for access to specific site facilities. Security clearance: British Citizen or a Dual UK national with British citizenship. Restrictions...

You will have experience in functional design and/or integration to demonstrate your understanding of the challenges of integrating complex systems into a larger / wider system context. This role will involve working with our customer to support system requirements and architecture definition whilst working internally within a multidisciplinary team to develop a product that meets this need.