Senior Mechanical Engineer
Langley, UK, with option of hybrid home/office working
Posted: February, 2026 Apply Online
Join a world leader in imaging technology
Active Silicon is a market leader in the design and manufacture of cutting-edge computer imaging products. Our solutions are used globally across manufacturing, life sciences, medical imaging, robotics, and security, often tailored to specific customer requirements. We work with medium to large companies worldwide, building long-term partnerships. Active Silicon is part of the Solid-State plc group.
Job type: Full-time/Permanent
Job title: Senior Mechanical Engineer
Location: Langley, UK (Elizabeth Line, just outside NW London), hybrid working options available.
Hours: 37.5 hours per week, 26 days annual holiday (plus public holidays).
Salary: Competitive salary depending on skills and experience, plus salary-sacrifice pension (5% employer, 3% employee) and discretionary bonus scheme worth up to 20% of salary. Life assurance at 4x basic salary. Option to join Electric Vehicle salary-sacrifice scheme.
Access to Westfield Health Scheme including:
- Employee Assistance Programme
- Discounted gym membership
Qualifications: Degree in Mechanical Engineering or equivalent.
Experience: Likely to be 5+ years’ experience designing electro-mechanical products.
The Role
This is a hands-on, high-impact role within a collaborative, multidisciplinary engineering team. You will help design and deliver specialist digital image acquisition products used globally across multiple sectors. You will be involved from concept through to production, helping to bring high-performance, reliable products to market.
This is an exciting opportunity to join a highly skilled and diverse development team creating specialist digital image acquisition technologies that impact clients worldwide.
What you will be doing
- Designing mechanical components and assemblies using CAD (SolidWorks)
- Producing and maintaining drawings, BOMs and production documentation
- Managing 3D libraries for mechanical and PCB design systems
- Supporting prototyping, testing and validation
- Collaborating with electronics, production and quality teams
- Troubleshooting production and field issues
- Ensuring compliance with standards and safety regulations
- Supporting suppliers and manufacturing partners
- Leading migration from Solid Edge to SolidWorks
- Contributing to design reviews and continuous improvement
The Person – What we are looking for
- Degree in Mechanical Engineering (or equivalent)
- 5+ years’ experience designing electro-mechanical products
- Advanced SolidWorks proficiency
- Strong knowledge of materials and manufacturing processes
- Experience with engineering documentation and BOMs
- Excellent communication and teamwork skills
- Ability to manage multiple projects and deadlines
- Experience in computer vision or camera systems
- Exposure to PCB design collaboration (e.g. Altium)
- Regulated industry experience (medical, defence, aerospace, etc.)
- Thermal or stress modelling knowledge
- Experience in taking products from concept to production
- MRP/BOM version control experience
What we can offer
- Competitive salary based on experience
- 26 days holiday + Bank Holidays
- Discretionary bonus scheme
- 5% employer pension (salary sacrifice)
- Life assurance (4x salary)
- EV salary sacrifice scheme
- Westfield Health Scheme (see details under summary)
Why Join Active Silicon?
- Work on innovative, real-world technology used globally
- Be part of a skilled, friendly engineering team
- Gain exposure to diverse industries and applications
- Join a company where your ideas and expertise matter
- Enjoy stability as part of a successful listed group
Our Recruitment process
- Application Review – Your application will be reviewed by Recruitment & Hiring Manager
- Initial Screening – Shortlisted candidates will be invited to a Teams Interview to discuss the role and your experience in more detail.
- Interview – candidates will be invited to a face-to-face interview at our offices. This may include competency-based questions and discussion about your technical experience.
- Assessment (if applicable) – Some roles may include a short presentation, task, or technical assessment relevant to the position.
- Offer and onboarding – Successful candidates will receive a formal offer, followed by pre-employment checks and onboarding support to ensure a smooth start.
We aim to keep you informed at every stage of the process and provide feedback wherever possible.
If you are passionate about engineering high-quality products and want to help create best-in-class technology, we’d love to hear from you.
Apply now and be part of our next chapter in innovation.
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