Materials Science Jobs in Crawley

Mechanical Technician

The role involves performing proactive and reactive mechanical maintenance on industrial systems within a high-hazard COMAH-regulated site. You'll conduct fault finding, equipment repairs, installations, and commissioning, using technical drawings and P&IDs to support safe and reliable operations. The position requires hands-on mechanical expertise in a 24/7 shift environment, focusing on improving engineering reliability and compliance.

Johnson Matthey North Hertfordshire, United Kingdom £44,113 – £60,345 pa

On-site Permanent Shift-work

Site Electrician

The Site Electrician is responsible for installing, maintaining, and repairing electrical systems in an industrial setting at Johnson Matthey’s Royston facility. Key duties include emergency lighting checks, circuit installations, PAT testing, PPMs, and coordinating with other trades. The role requires adherence to safety standards and electrical compliance, with a focus on reliability and fault-finding in a fixed-term contract.

Johnson Matthey North Hertfordshire, United Kingdom

On-site Contract

Staff Machine Learning Software Engineer, Research

This role involves leading machine learning research initiatives within a deep-tech environment, focusing on scalable AI-driven simulation for engineering and physics problems. The engineer will guide technical direction, mentor junior staff, and translate research into robust, production-grade software. Key responsibilities include designing distributed training systems, optimising foundation models, and collaborating across research and engineering teams to deliver high-impact solutions.

PhysicsX London, United Kingdom

On-site Permanent

Senior Machine Learning Engineer

A Senior Machine Learning Engineer will lead the deployment of AI models into production environments for engineering and physics simulations, working closely with customers and cross-functional teams. The role involves building scalable ML pipelines, mentoring engineers, and traveling to client sites to implement solutions on-site. The position focuses on translating research into practical, high-impact tools using Python, PyTorch, and cloud/on-prem infrastructure.

PhysicsX England US$200,000 – US$250,000 pa

Hybrid Permanent Clearance Required

Machine Learning Engineer

A Machine Learning Engineer will work at the intersection of data science and software engineering to develop and deploy AI-driven simulation tools for engineering and manufacturing. The role involves building scalable ML pipelines, working with 3D point-cloud and mesh data, and translating R&D into reusable software products. Frequent customer collaboration and international travel are key aspects of the role.

PhysicsX England US$150,000 – US$190,000 pa

On-site Permanent Clearance Required

Director of Packaging

Lead the development of advanced semiconductor packaging solutions for GaN-based power devices, combining technical expertise with leadership to drive innovation in thermal, electrical, and mechanical performance. Collaborate across internal teams and external partners to design wirebond, flip chip, and embedded packages, conduct multiphysics simulations, and support product qualification. Shape packaging strategy and contribute to the company’s technology roadmap in a hands-on, senior leadership role.

Cambridge GaN Devices Cambridge, United Kingdom

On-site Permanent

CFD Engineer

This role involves building and running high-fidelity CFD simulations, from geometry preparation to post-processing, to support AI-driven engineering solutions. You'll work closely with data scientists to generate datasets for machine learning models, automate simulation workflows, and support customer projects across aerospace, energy, and advanced manufacturing. The position blends hands-on CAE engineering with exposure to AI integration and cloud-based simulation platforms.

PhysicsX London, United Kingdom

Senior CFD Engineer - Plasma Specialist

This role involves developing high-fidelity computational plasma models for semiconductor manufacturing processes such as plasma etching, CVD/ALD deposition, and ion-driven surface interactions. The engineer will work directly with semiconductor customers—often on-site—to define challenges, design simulation strategies, and integrate models into AI-powered workflows. Collaboration with data scientists and ML engineers is central, with a focus on delivering practical, real-world engineering solutions using tools like COMSOL, HPEM, and CFD-ACE+.

PhysicsX London, United Kingdom

Hybrid Permanent

Content & Communications Strategist

This role involves crafting compelling narratives from complex technical work in AI and engineering simulation, shaping the public voice of a deep-tech company. You'll lead content strategy across digital channels, collaborate with engineers and leadership, and produce high-quality content including blogs, social media, and event materials. The position emphasizes storytelling, brand consistency, and strategic communication in a fast-paced, innovative environment.

PhysicsX London, United Kingdom

Hybrid Permanent

Staff Machine Learning Software Engineer, Research

This role involves leading machine learning research initiatives within a deep-tech environment, focusing on scalable AI-driven simulation for engineering and physics problems. The engineer will guide technical direction, mentor junior staff, and translate research into robust, production-grade software. Key responsibilities include designing distributed training systems, optimising foundation models, and collaborating across research and engineering teams to deliver high-impact solutions.

PhysicsX London, United Kingdom

On-site Permanent

Supply Chain Manager

Lead site planning, production control, and materials management to ensure safe, reliable, and efficient operations within a manufacturing environment. Drive inventory optimisation and on-time, in-full (OTIF) delivery performance while collaborating with cross-functional teams including manufacturing, engineering, and customer services. Focus on short-term Sales & Operations Execution (S&OE) planning to align site readiness with customer and business demand.

Johnson Matthey London, EN2 6LD, United Kingdom

Electrical and Multi- Skilled Technician

Maintain and improve electrical and instrumentation systems in a manufacturing environment, ensuring plant reliability and regulatory compliance. Perform fault diagnosis using technical drawings and schematics, conduct testing and calibration, and contribute to maintenance improvements. Work on-site with a focus on safety and engineering efficiency.

Johnson Matthey London, EN2 6LD, United Kingdom £44,113 – £60,345 pa

Senior Machine Learning Engineer

A Senior Machine Learning Engineer will lead the deployment of AI models into production environments for engineering and physics simulations, working directly with customers across industries like aerospace, energy, and semiconductors. The role involves building scalable ML pipelines, mentoring engineers, and traveling to client sites to co-develop solutions. The engineer operates at the intersection of data science and software engineering, turning R&D into robust, reusable tools.

PhysicsX London, United Kingdom

CFD Multiphase & DEM Engineer

This role involves developing and validating high-fidelity multiphase CFD and coupled CFD-DEM simulations for industrial applications, integrating them with AI-driven workflows. The engineer will work directly with global customers to solve complex engineering problems, automate simulation pipelines, and generate datasets for machine learning surrogates. The position blends advanced simulation, parametric CAD, and data science in a hybrid London-based setup with regular international travel.

PhysicsX London, United Kingdom