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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