Mechanical Test Technician

About Us -

Founded in 1917, John Crane is a global leader in the design, manufacturing, and engineering of mission critical flow control solutions for increased efficiency, emission reductions and energy transformation. Our products include mechanical seals and systems, couplings, bearings, filtration systems and predictive digital monitoring technologies. John Crane customer service is accessed through a global network of more than 200 global sites in over 50 countries employing more than 6,000 employees worldwide. We partner with our customers and help them meet the latest environmental standards and keep their operations safe and controlled.

John Crane is part of Smiths Group, For over 170 years, Smiths has been improving our world through smarter engineering. Our technology benefits millions of people every day – making travel safer, supporting sustainable energy transition, efficiently heating, cooling our homes, and helping our world stay connected.

Now let’s hear it directly from the creators – About | John Crane

Connect with us on LinkedIn: John Crane: LinkedIn

Job Description

We have a fantastic opportunity for a Test Engineer to join our Testing team reporting to the Lead Testing Engineer within Innovation. As the Test Engineer you will be stepping into a pivotal role where you will develop, test, and validate state-of-the-art mechanical seal products for compressors and pumps. As a test engineer, you'll prepare, assemble, and install seals, setting up high-pressure and high-speed test rigs with precision. Utilise specialist equipment to capture and analyse critical data, supporting innovative solutions and failure investigations. Your responsibilities extend to maintaining impeccable lab practices, upgrading test rigs, and collaborating closely with product designers and engineers. Embrace this opportunity to ensure high-quality standards and drive technological advancements in mechanical seal testing.

This role is based from our headquarters within Slough working Monday to Friday normal office hours.

John Crane is an equal opportunity employer. We celebrate diversity and are committed to crafting an inclusive environment for all employees.

Duties & Responsibilities (not limited to)

• Developing, testing, and validating new mechanical seal products used in rotating equipment such as compressors and pumps.
• Joint responsibility for the test lab areas in terms of working practices, housekeeping, and general safety.
• Seal preparation, assembly, test cell build, seal installation, setting up of high-pressure and high-speed test rigs for testing of mechanical seals.
• The setup and use of specialist equipment - gap probes / acoustic probes. Downloading, logging and storage of test data, drawing graphs + interpretation and analysis of data.
• Strip, inspection and analysis of seals and associated parts. Assisting with failure investigations, diagnosis and problem solving when development tests go wrong.
• Occasional writing of reports and new procedures / standards.
• Assisting with test rigs upgrades, diagnosing problems, planned maintenance and reliability improvement.
• Upgrades to rigs can include designing, coordinating, and implementing improvements or test specific requirements. This will include work on high pressure piping and equipment. (Training will be provided)
• Ensuring that jobs are executed on time and to a high-quality standard. Responsibility for ensuring appropriate practices and procedures are followed within the product development areas.
• Working closely and supporting the new product designers and application engineers (Scrum project teams)
• Reporting progress in team planning and review meetings

The Individual

• Hold a general engineering education (Apprenticeship/HNC/Degree) or Equivalent
• “Hands on” mechanical engineering
• Able to read engineering drawings
• Take a problem solving approach
• Be a team player

Diversity Clause

We believe that different perspectives and backgrounds are what make a company flourish. All qualified applicants will receive equal consideration for employment regardless of race, colour, religion, sex, sexual orientation, gender identity, national origin, economic status, disability, age, or any other legally protected characteristics. We are proud to be an inclusive company with values grounded in equality and ethics, where we celebrate, support, and embrace diversity.

At no time during the hiring process will John Crane, Smiths Group nor any of our recruitment partners ever request payment to enable participation – including, but not limited to, interviews or testing. Avoid fraudulent requests by applying jobs directly through our career’s website (Careers – John Crane) or LinkedIn.