Mechanical Engineer

John Crane, a business of Smiths Group, is a global leader in mission-critical flow control solutions for energy and process industries that enable efficient and sustainable operations. Our products include mechanical seals and systems, couplings, filtration systems, and predictive digital monitoring technologies. 

We have a global network of more than 200 sites in over 50 countries and employ more than 6,000 people worldwide. We partner with our customers to help them keep their operations safe, reduce downtime, improve efficiency, and meet the latest environmental standards. 

John Crane is part of Smiths Group. For over 170 years, Smiths has been pioneering progress by engineering for a better future. We serve millions of people every year, helping to create a safer, more efficient, productive, and better-connected world across four global markets: energy, security & defence, space & aerospace, and general industrial. Listed on the London Stock Exchange, Smiths employs approximately 16,000 colleagues in over 50 countries. 

The Slough Gas Seal Engineering Team is excited to welcome a passionate, expert-level Mechanical Engineer ready to take on unique and rewarding technical challenges. In this role, you’ll be at the heart of innovation - collaborating with customers, tackling complex engineering problems, and helping shape the design and development of advanced dry gas seals. Every day brings something new, from hands-on troubleshooting and technical evaluations to supporting production and driving design excellence. You’ll have the opportunity to see your ideas come to life, working alongside a talented, supportive team that values creativity, precision, and continuous improvement. This position offers an excellent opportunity for future growth and career development.

This role is based from our Slough site 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)

• Collaborate closely with internal teams and external clients to understand and translate application engineering requirements into innovative, practical solutions.

• Lead the investigation and analysis of complex engineering challenges, developing effective, high-quality solutions that align with company strategy and customer needs.

• Take full ownership of projects—managing timelines, budgets, and quality standards to ensure successful, on-time delivery and customer satisfaction.

• Work autonomously to plan, prioritize, and execute engineering tasks with minimal supervision, demonstrating strong self-management and accountability.

• Drive design excellence by developing solutions that prioritize functionality, reliability, standardization, and cost efficiency, leveraging tools such as 2D/3D CAD, proprietary in-house software, and ANSYS.

• Champion OEM standardization initiatives, promoting consistency, continuous improvement, and engineering best practices across multiple projects.

• Foster collaboration and influence across cross-functional teams, effectively communicating with engineers, project stakeholders, and partners to guide project direction and achieve shared objectives.

• Hold a Bachelors degree in Mechanical Engineering

• Extent experience within a related industry / company, preferably rotating equipment and/or oil and gas

• Broad knowledge of engineering sciences, materials, and modern manufacturing processes

• Ability to review 2D & 3D CAD drawings

• Advanced use of CFD/FEA packages and FEA (ANSYS) evaluation of stress and deformation, thermodynamic and fluid dynamics

• Project management skills

• Effective written and oral communication skills

With colleagues stretching across the globe, we are proud of our diversity. To foster inclusivity, we run employee resource groups (ERGs) to provide a safe space for employees to connect and support each other. Our cross-business ERGs include Veterans, Pride Network, Black Employee Network, Women@Work Network, and Neurodiversity. 

Across our company, we recognize excellence, culminating in the Smiths Excellence Awards, our annual celebration of the most extraordinary activities, people, and projects that best showcase our strengths and help drive our business forward. We announce these on our annual Smiths Day, a global celebration of Smiths around our network. 

Join us for a great career with competitive compensation and benefits, while helping engineer a better future. 

We believe that different perspectives and backgrounds are what make a company flourish. All qualified applicants will receive equal consideration for employment regardless of color, 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 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 - Smiths Group plc)