Senior Mechanical Design Engineer

SmartRecruiters, Inc.; Cambridge; Remote; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Annual bonus

25 days holiday

Employer pension 10%

Private medical insurance

Enhanced family-friendly leave

Life insurance 6x salary

Electric car leasing

Cycle to work

Season ticket loan

Job summary

Cellular Origins is seeking a Senior Mechanical Design Engineer to own the detailed mechanical design of critical modules within our robotic manufacturing platform. You will drive concepts from early prototypes through to manufacturing, ensuring robustness, repeatability and practical to build solutions.

You will work with interdisciplinary teams across mechanical engineering, robotics, software, systems and biology, applying tolerance analyses and material decisions to deliver reliable devices

Qualifications

• Strong engineering foundation with hands‑on experience taking products through development to manufacture.
• Experience designing precision devices across micron to millimetre scales.
• Proven ability delivering electromechanical products into manufacture.

Responsibilities

• Own the detailed mechanical design of critical modules within our robotic manufacturing platform.
• Turn concepts and prototypes into stable, manufacturable designs.
• Perform detailed tolerance analyses to understand and improve performance.

Skills

Precision design

Cross‑functional teamwork

Tolerance analyses

FEA

Motor calculations

3D CAD

Material selection

Education

Mechanical Engineering degree

Tools

SolidWorks

Job description

Cell therapies have the potential to transform how devastating diseases such as cancer are treated. But for more patients to benefit, these therapies need to be manufactured reliably, efficiently and at a scale the industry has not been able to achieve before.

At Cellular Origins, we’re changing that. Our Constellation platform brings robotics and automation into cell therapy manufacturing, helping developers scale their processes without having to redesign the biology or proven equipment behind them. As a Senior Mechanical Design Engineer, you’ll help make that possible by turning complex mechanical challenges into precise, dependable designs that work not just once, but every time.

Job Description

This is an opportunity to take real ownership of some of the most mechanically demanding parts of our robotic manufacturing system.

You’ll get the autonomy to design critical precision modules from concept through to manufacture, using your judgement and experience to move quickly towards solutions that are robust, repeatable and practical to build.

You’ll join an interdisciplinary team spanning mechanical engineering, robotics, software, systems and biology. Your work will sit at the point where precision engineering meets a very human goal: making cell therapies accessible to far more patients.

You’ll bring depth in precision design of complex electromechanical devices and use it to help us build a system that can perform reliably in demanding manufacturing environments.

You’ll get to:

• Own the detailed mechanical design of critical modules within our robotic manufacturing platform.
• Turn early concepts and prototypes into stable, manufacturable designs that perform consistently.
• Build detailed tolerance analyses and use the right analytical techniques to understand and improve performance.
• Make thoughtful decisions around materials, manufacturing methods and component design.
• Work hands‑on with prototypes and hardware, learning quickly from what you see and feeding that back into better designs.
• Collaborate closely with engineers from other disciplines to solve system‑level challenges rather than isolated component problems.
• Use your experience to spot risks early and guide designs from “it works” to “it works all the time”.
• Help raise the standard of mechanical design across the team by sharing your judgement, methods and experience.

Qualifications

Requirements

You’ll thrive here if precision design is something you genuinely enjoy. You notice the details that matter, but you also know when to stop analysing and build something.

You’ll bring a strong engineering foundation alongside hands‑on experience taking products through development and into manufacture.

You’ll also bring:

• A Mechanical Engineering degree, or a science‑based degree with strong, relevant industrial experience.
• Hands‑on experience designing precision devices across length scales from tens of microns to tens of millimetres.
• Proven experience developing complex electromechanical products and delivering them into manufacture.
• Proven experience working in cross‑functional / cross‑disciplinary teams.
• Experience leveraging analytical techniques to support design decisions with a particular focus on tolerance analyses, FEA and motor calculations.
• Strong 3D CAD capability, ideally using SolidWorks.
• Deep knowledge of material selection and manufacturing processes.
• Experience improving designs until they are consistently reliable, not simply functional.
• The ability to work collaboratively, challenge assumptions and make sound engineering decisions with incomplete information.

Desired experience

• Experience working in regulated industry with a particular emphasis on design for GMP.
• Experience creating appropriate documentation to support release of products for use in regulatory environments.

Additional Information

Cellular Origins is currently based on the TTP Campus, within purpose‑built sustainable offices, labs and green surroundings, 10 miles south of Cambridge.Our working culture encourages entrepreneurship, shared ideas and collaboration, while providing you the freedom to do your best work.

Our employee benefits include:

• Annual bonus
• 25 days holiday
• Employer pension contribution of 10% of salary
• Private medical insurance for employees and dependants
• Enhanced family friendly leave
• Life insurance worth 6x salary
• Electric car leasing scheme
• Cycle to work scheme
• Season ticket loan

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