Senior Mechanical Engineer I

LocationCambridge, England - On-Site

Job ID R0007354 Date posted 10/26/2026

Job Description Summary

As a global leader in life sciences research support, STEMCELL Technologies is looking for a Senior Mechanical Engineer to join our Instrumentation UK engineering team. In this role, you will play a pivotal part in the development of our innovative cell-sorting instruments, working closely with Engineering, Manufacturing, Quality, and Supply Chain.

Our cell-sorting instruments combine precision mechanics, optics, electronics, and microfluidics. As a Senior Mechanical Engineer, you will provide critical technical leadership in the development and design for manufacture (DFM) of complex mechanical, opto-mechanical, and electro-mechanical assemblies.

Job Description

Duties and Responsibilities

Lead mechanical engineering activities for current consumables, managing lifecycle design updates and continuous improvement initiatives, ensuring all changes are rigorously verified and seamlessly transferred to production and scaled appropriately.

Lead the design and development of the consumables and instrument sub-assemblies for next generation instruments.

Scope and manage technical partnerships with specialist suppliers acting as the primary engineering lead for supplier evaluation, design transfer, and quality verification.

Support quality initiatives within our regulated environment, leading mechanical root-cause investigations and implementing corrective and preventive actions to ensure ongoing product reliability and manufacturing excellence.

Design, develop, and test precision mechanical, opto-mechanical, and electro-mechanical systems using SolidWorks.

Knowledge and Qualifications

Bachelor's degree in Mechanical Engineering (or a related discipline) with 6–10 years of relevant experience, Master's degree with 4–8 years of relevant experience, or PhD with 2–5 years of relevant experience.

Strong track record of applying Design for Manufacture and Assembly (DFM/DFA) principles to injection moulded components and assemblies.

Experience operating within a regulated environment or controlled Quality Management System (e.g. ISO 13485), with proficiency in engineering change control, root-cause investigations, and design verification.

Deep proficiency with CAD (ideally SolidWorks) for 3D mechanical design and engineering drawings.

Advanced working knowledge of dimensional tolerancing, GD&T, and tolerance stack-up analysis.

* Strong technical communication and collaboration skills

#LI-JS1 #LI-Onsite

STEMCELL Technologies is a privately owned, Vancouver-based biotechnology company that helps power leading-edge life science research around the world. Driven by our love of science and passion for quality, we are a company of Scientists Helping Scientists—standing by our customers to provide the outstanding products, technical support, and training they need to advance their research. Scientists performing stem cell, immunology, cancer, regenerative medicine, and cellular therapy research are among those who rely on our cell culture media, cell separation products, instruments, accessory products, and services. Through our many regional offices, as well as our distribution centers in Vancouver, Seattle, Grenoble, and Singapore, we deliver our innovative, specialized products to more than 100 countries. With over 1,800 employees globally, most with scientific or engineering degrees, STEMCELL is proud to be the largest biotechnology employer in Canada.

This is an opportunity to work with highly motivated colleagues in a science-oriented, creative, and dynamic environment. We offer a competitive salary, excellent benefits, and meaningful career development opportunities.

STEMCELL is well recognized for exceptional leadership and business practices. We are one of Canada’s Best Managed Companies and operate an ISO 14001-certified environmental management system to measure and reduce our environmental impact.

As an equal opportunity employer, STEMCELL is dedicated to ensuring that every employee feels safe, valued, and respected for who they are. We know that scientific progress and innovation occur when diverse, creative minds come together and we are committed to nurturing a culture of inclusivity and belonging. STEMCELL enforces a zero-tolerance policy for any form of discrimination. Selection decisions are solely based on job-related factors.

The annual salary for this job ranges from

£46,100.00 - £69,100.00

STEMCELL determines an individual’s pay within the range based on multiple factors including experience, education, job-related skills, and equity within the team or organization. For jobs that are eligible for sales incentives, the range noted above is inclusive of target incentives; actual incentives are based on individual performance results in accordance with company policy. In addition to base salary, STEMCELL offers a comprehensive total rewards package that may include health benefits, retirement savings, and more (depending on region).