Job Title: Senior or Principal Design Engineer
Location: Sunbury-on-Thames, Surrey
Salary: Up to £68,000 per annum (negotiable, dependant on experience)
Benefits:
25 days holiday plus bank holidays
6% employer pension contribution
Private healthcare / medical insurance
Life assurance (4× annual salary)
Discounted goods and services scheme
Cycle-to-work scheme
Modern working environment
Friendly and supportive team with approachable management
Continued staff development and training opportunities
Opportunity to work on innovative engineering solutions across global markets
Company Profile
This is a global technology group delivering advanced engineering solutions for aerospace, land-based systems, rail, and oil & gas sectors. The UK facility provides design, development, and support for a range of electro-mechanical products. Known for its strong focus on quality, innovation, and sustainability, the company offers employees the opportunity to contribute to meaningful projects while developing their careers in a collaborative, forward-looking environment.
Job Profile
As the successful Senior or Principle Design Engineer, you will work within the Sustaining Engineering team to support the ongoing production and in-service operation of products. You will be responsible for addressing product-related issues such as component obsolescence, yield performance, and long lead-time challenges, while also defining corrective actions and re-design proposals. The role involves close collaboration with Operations, engineering colleagues, suppliers, and customers to ensure continuity of supply and performance of existing products.
Duties:
Review, analyse, and validate product issues arising during production or in-service use across fans, heaters, motors, actuators, and air-conditioning systems
Define corrective actions, component alternatives, or re-design solutions to address issues affecting delivery, yield, or performance
Provide hands-on support to production and test teams to resolve design-related challenges and capture performance data
Assist with in-service investigations, including occasional customer site visits
Support supplier visits to address design, yield, or performance issues of sub-assemblies and components
Produce and review engineering documentation such as drawings, specifications, reports, procedures, and change notifications
Work collaboratively within multidisciplinary teams to deliver Sustaining Engineering activities
Contribute to technical proposals, costings, and supporting documents for updates to legacy or in-service products
Operate within company procedures while suggesting improvements to maximise efficiency and meet customer requirements
Skills & Attributes:
Proven experience in mechanical design engineering, ideally within aerospace, automotive, rail, or related sectors
Understanding of electrical controllers containing relays and discrete electronic components
Strong ability to interpret engineering drawings, technical documents, and specifications
Experience addressing component obsolescence, yield, or performance issues in production environments
Excellent problem-solving skills with the ability to define corrective actions and re-design proposals
Proficiency in producing high-standard engineering documents and change management processes
Strong communication skills and the ability to collaborate across teams, suppliers, and customers
Willingness to travel occasionally for customer and supplier visits
Self-motivated, organised, and able to work under pressure
Education / Certificates:
Degree in Mechanical Engineering or a related discipline (or equivalent experience)
Hours of Work:
37.5 hours per week
Monday to Thursday: 07:30 – 16:00 or 08:00 – 16:30
Friday: 07:30 – 13:00 or 08:00 – 13:30
Interested?
This is an excellent opportunity for an experienced mechanical design engineer to take on a senior role in a global business. You will work on challenging sustaining engineering projects, help resolve complex in-service and production issues, and directly contribute to the long-term success of innovative products. With a competitive salary, excellent benefits, and a collaborative environment, this role is ideal for a motivated engineer looking to progress their career while making a real impact.
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