Latest Energy Efficiency Jobs

Principal CFD Engineer

Lead the technical delivery of high-fidelity, multi-physics simulation solutions for complex engineering challenges in aerospace, energy, and automotive sectors. Develop and automate CFD and parametric CAD workflows, integrate simulation with AI/ML pipelines, and validate models using experimental data. Mentor junior engineers and collaborate with data science teams to build scalable, AI-driven engineering tools.

PhysicsX North Tyneside, NE29 8EP, United Kingdom US$200,000 pa

Hybrid Permanent Clearance Required

Principal CFD Engineer

This role involves building and validating high-fidelity computational fluid dynamics (CFD) and multi-physics simulations for real-world engineering challenges across aerospace, energy, automotive, and other advanced industries. The engineer will work at the intersection of CAE and AI, creating automated simulation workflows, generating datasets for machine learning models, and collaborating directly with customers on-site to integrate simulation into design and optimization processes. A strong emphasis is placed on mentoring, technical leadership, and improving engineering practices to support AI-driven surrogate modelling.

PhysicsX United Kingdom

On-site Permanent

Senior Pensions Administrator

Process leaving and retirement calculations for defined benefit, defined contribution, and cash balance pension schemes. Handle member queries and prepare accurate statements, ensuring timely and precise administration. Support transfer activities and manage a varied workload in a fast-paced environment.

Johnson Matthey London, United Kingdom

Hybrid Contract Flexible

Hydrogen Technologies Test Engineer

Conduct testing of hydrogen fuel cell components using single cells and stacks, ensuring data accuracy and equipment calibration. Operate and maintain test stands, develop new testing protocols, and collaborate across teams to interpret performance and durability results. Support continuous improvement in sustainable energy technologies through rigorous laboratory evaluation and data analysis.

Johnson Matthey Sonning, United Kingdom

Hybrid Permanent

Research Scientist

As a Research Scientist at PhysicsX, you will collaborate with machine learning and simulation engineers to translate complex physics and engineering challenges into mathematical formulations. You will build and optimize models using advanced machine learning techniques, communicate results to both technical and non-technical audiences, and contribute to the company's research and development efforts in AI-driven simulation software.

PhysicsX London, United Kingdom

On-site Permanent

Deployment Lead

Lead end-to-end deployment of a Kubernetes-based AI simulation platform into customer environments, serving as the primary technical liaison for C-suite stakeholders while building and scaling a high-performing deployment engineering team. The role combines hands-on technical leadership in complex, regulated infrastructure with strategic customer engagement and cross-functional coordination to ensure successful, secure, and scalable platform rollouts.

PhysicsX North Tyneside, NE29 8EP, United Kingdom

Hybrid Permanent Clearance Required

Machine Learning Engineer

This role involves deploying machine learning models and engineering surrogates into customer production environments, focusing on high-fidelity simulation for engineering challenges. The engineer will work closely with data scientists and customers to build scalable ML pipelines, design system architectures, and deliver AI-driven solutions across industries like aerospace, energy, and semiconductors. Key responsibilities include on-site collaboration, mentoring junior staff, and translating R&D into reusable tools using Python, PyTorch, and cloud/on-prem infrastructure.

PhysicsX United Kingdom

Hybrid Permanent

Content & Communications Strategist

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries....

PhysicsX London, United Kingdom

Delivery Engineer - Aerospace & Defense

Lead business development and delivery for AI-driven simulation software within aerospace and defense, bridging technical and commercial domains. Drive customer acquisition, manage strategic account relationships, and oversee project execution from proposal to adoption. Shape product direction through direct customer feedback and represent the company at industry events, combining deep domain expertise with technical leadership.

PhysicsX North Tyneside, NE29 8EP, United Kingdom US$175,000 – US$250,000 pa

Hybrid Permanent Clearance Required

Research Scientist - Material Modelling

This role involves developing and applying machine learning interatomic potentials (MLIPs) to model atomistic systems, using state-of-the-art frameworks and large-scale datasets. The Research Scientist will design experiments, iterate on model architectures, and translate research into production-ready simulation pipelines. Work spans high-performance computing environments with a focus on real-world impact in materials science and engineering applications.

PhysicsX London, United Kingdom

Hybrid Permanent

Senior CFD Engineer - Plasma Specialist

This role involves developing high-fidelity computational plasma models for semiconductor manufacturing processes such as plasma etching, deposition, and surface interactions. The engineer will work directly with customers—often on-site—to define challenges, build physics-based simulations, and integrate them into AI-driven workflows. Collaboration with data scientists and ML engineers is central, with an emphasis on solving niche, real-world engineering problems using advanced simulation tools and Python-based automation.

PhysicsX London, United Kingdom

Hybrid Permanent

Principal Solutions Architect - Aerospace & Defense

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries....

PhysicsX North Tyneside, NE29 8EP, United Kingdom

Principal Solutions Engineer - Aerospace & Defense

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries....

PhysicsX North Tyneside, NE29 8EP, United Kingdom

Research Program Manager

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries....

PhysicsX London, United Kingdom

Forward Deployed Software Engineer

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries....

PhysicsX North Tyneside, NE29 8EP, United Kingdom