Prototype Mechanical Engineer – Biotech Instrumentation

Portal Biotech Limited; Greater London; On-site; GBP 35,000 - 55,000; Full time

Job summary

Portal Biotech Limited in London is seeking an early-career mechanical engineer to join the Hardware team. The role focuses on designing and building components, subassemblies and prototypes, with emphasis on scaling laboratory processes.

You will collaborate across disciplines, perform simulations, support manufacturability, and help maintain instrument stock, while protecting IP through rigorous documentation. The position is on-site at Scale Space, White City, London.

Qualifications

• Bachelor’s or Master’s degree in Mechanical Engineering or related field (e.g., automation).
• Proficiency in CAD software (SolidWorks, Creo, or equivalent).
• Experience using mechanical, thermal and fluid analysis tools (FEA, CFD, thermal modelling) e.g., ANSYS, COMSOL.
• Experience of designing systems and subassemblies and building device prototypes.
• Design of parts for manufacture for CNC, sheet metal, and 3D printing.

Responsibilities

• Design, simulate, build, and test mechanical components and assemblies.
• Develop microfluidic, electromechanical, and thermal management solutions, including integration of electronics, optics and fluidics.
• Conduct structural, thermal, and fluid dynamics simulation analyses to optimise performance.
• Support product development from concept through to manufacturing including design for manufacturability (DfM) and design for assembly (DfA).
• Develop test methods and execute experiments to validate mechanical designs and system performance.
• Help maintain instrument stock as required (carry out upgrades, repairs, compliance checks).
• Interface with vendors and manufacturing partners to ensure high quality production of products incorporating mechanical components.
• Produce engineering drawings and BOMs, document designs, processes, and test results in compliance with industry standards and regulatory requirements.
• Protection of intellectual property (designs and patents) arising from your work.

Skills

CAD software

FEA/CFD

Prototype design

DfM/DFx

GD&T

ISO 9001 knowledge

Microfluidics familiarity

3D printing

CNC milling

Laser cutting

Education

Bachelors or Masters in Mechanical Engineering

Tools

ANSYS

COMSOL

Job description

Portal Biotech Limited in London is seeking an early-career mechanical engineer to join the Hardware team. The role focuses on designing and building components, subassemblies and prototypes, with emphasis on scaling laboratory processes.

You will collaborate across disciplines, perform simulations, support manufacturability, and help maintain instrument stock, while protecting IP through rigorous documentation. The position is on-site at Scale Space, White City, London.