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Salary
$120k – $146k per year
Location
Hybrid (London, United Kingdom)
Seniority
Senior
Visa
Licensed UK visa sponsor
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Oct 7, 2026.

Overview
Company
Impact
Profile match
Rullion is a UK workforce solutions and recruitment company headquartered in Altrincham, Greater Manchester, specialising in critical infrastructure sectors such as nuclear, energy, rail, utilities and renewables. It provides temporary and permanent recruitment, executive search, managed service provider and recruitment process outsourcing programmes, train-to-deploy and early careers schemes, statement-of-work delivery and background screening, and reports turnover above 300 million pounds since starting in 1978. It recruits for client roles including protection and control engineers, planners, quantity surveyors, technicians, site managers and project managers.

Senior Mechanical Design Engineer - Contract

Job Type: Contract - 6 Months

Start date: ASAP

Location: Teddington

Working Arrangements: Hybrid - minimum 2 days per week on site

Hours: 36 hours per week

Rate: £45-55/hr Outside IR35

The Role

We are seeking an experienced Senior Mechanical Design Engineer to join a leading scientific and engineering organisation in Teddington.

You will be responsible for the end-to-end mechanical design of precision instruments, test equipment and measurement systems, translating customer requirements into robust, manufacturable solutions.

Working within a multidisciplinary team, you will collaborate with scientists, engineers, project managers, manufacturing teams and suppliers to deliver high-quality designs to cost and programme requirements.

Key Responsibilities

  • Design and develop precision mechanical systems and equipment.
  • Produce 3D CAD models and detailed engineering drawings.
  • Interpret customer and technical requirements.
  • Apply DFMA principles and sound engineering practices.
  • Work with multidisciplinary engineering and manufacturing teams.
  • Support technical problem-solving, risk management and engineering change.
  • Ensure designs meet quality, cost and delivery requirements.

Essential Skills

  • Proven mechanical design experience within precision engineering, scientific instrumentation, aerospace, defence or a similar environment.
  • Strong 3D CAD experience, ideally SolidWorks.
  • Experience with PLM systems and detailed engineering drawings.
  • Knowledge of ISO GPS, BS8888, materials, tolerancing and manufacturing processes.
  • Experience applying DFMA principles.
  • Strong problem-solving and analytical skills.
  • Experience working within multidisciplinary teams.
  • Strong communication and stakeholder management skills.

Why Join?

An excellent opportunity to work on technically challenging, bespoke projects within a specialist scientific and engineering environment, developing precision equipment and innovative measurement solutions.

Ready to Apply?

If you are an experienced Senior Mechanical Design Engineer looking for a challenging six-month contract in Teddington, we want to hear from you.

Interested in this position? Please click "Apply Now".

Company Information

This contract vacancy is being advertised by Rullion Ltd.

Since 1978, Rullion has been securing exceptional candidates for a wide range of clients, from major global organisations to innovative SMEs and start-ups. Rullion is committed to diversity, inclusion and equal opportunities for all employees and applicants

Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.

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