Latest Computational Physics Jobs

Spotlight

Director of Technology - Quantum

Lead the development and execution of Digital Catapult’s quantum and photonics technology strategy, driving collaborative R&D programmes with academia and industry. Spearhead horizon scanning, technology roadmaps, and capability building in quantum computing, sensing, networking, and photonics, with a focus on software, algorithms, and real-world applications. Mentor technical teams and represent the organisation in high-impact forums to shape the UK’s quantum ecosystem.

Digital Catapult London, United Kingdom £100,000 – £130,000 pa

Hybrid Permanent

Quantum Computational Science Specialist

This role involves leading research in quantum computational science, developing quantum algorithms and hybrid classical-quantum workflows for fault-tolerant quantum computers. The specialist will work on advanced applications such as quantum linear equation solvers, state reconstruction, and tensor network methods, leveraging high-performance computing to simulate and validate systems prior to hardware deployment. Collaboration with academic, industrial, and government partners is central to shaping Rolls-Royce’s future engineering simulation capabilities.

Rolls Royce Derby, Derbyshire, DE1 3AE, United Kingdom

Hybrid Permanent

Senior Optical Engineer

As a Senior Optical Engineer, you will collaborate with a multidisciplinary team to design, build, and test advanced optical systems for quantum sensing and computing. Your role involves leading the development of optical systems from requirements to assembly, optimizing designs, and validating components for performance and reliability.

Infleqtion Oxford, United Kingdom

Hybrid Permanent Flexible

Senior Optical Engineer

Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere” through...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Experimental Physicist - Instrument Design

This role involves applying deep scientific expertise to solve complex problems in a variety of physics domains, including quantum technologies, sensing, electromagnetics, semiconductor physics, optics, sonar, and algorithms. You will lead and collaborate with multi-disciplinary teams to design and prototype innovative solutions that have real-world impact, such as airport scanner technology and object detection systems.

Newton Colmore Cambridge, United Kingdom

On-site Permanent Clearance Required

Photon Source Engineer

The Photon Source Engineer will focus on developing and optimizing photon sources for quantum computing systems. Key responsibilities include designing computational models, optimizing nonlinear optical systems, and collaborating with the team to improve device performance and identify technological gaps.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £60,000 pa

On-site Permanent

System Architect, Simulations & Models

PsiQuantum’s mission is to build the first useful quantum computers—machines capable of delivering the breakthroughs the field has long promised. Since our founding in 2016, our singular focus has been to build and deploy million-qubit, fault-tolerant quantum systems.Quantum computers harness...

PsiQuantum United Kingdom

Scientific Software Engineer - Compiler

This role involves developing and maintaining QuEra’s compiler infrastructure for neutral-atom quantum computers, designing domain-specific languages, and integrating simulation tools with the compiler pipeline. You will work closely with physicists and software engineers to build cutting-edge quantum computing tools.

Quera Computing Vale Of White Horse, United Kingdom £102,400 – £166,400 pa

On-site Permanent

R&D Manager - Software -914

We are seeking an R&D Manager - Software to lead the team developing Quantinuum's programming-language and compiler tools, including Guppy, HUGR and TKET. These tools form a core part of our quantum software stack, enabling developers and internal teams to...

Quantinuum Cambridge, United Kingdom

Hybrid

Principal HPC Quantum Integration Investigator

Principal HPC Quantum Integration InvestigatorBoston, MA, US | Full-time | Permanent | HybridSalary: $180,000 to $245,000 DOEThe salary range for this role is broad, as we are able to consider varying levels of experience. Any offer made will carefully take...

Riverlane Boston, United Kingdom

Quantum Software Engineer - Algorithms & Applications

ABOUT THE COMPANYInfleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Quantum Software Engineer - QEC

ABOUT THE COMPANYInfleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Quantum Systems Engineer

The Quantum Systems Engineer will design, build, and validate quantum photonic subsystems and experiments, contributing to the development of fault-tolerant quantum computers. Responsibilities include implementing quantum interference experiments, developing entangling circuits, and integrating subsystems into larger quantum architectures.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

On-site Permanent

Optical Architect (Design)

The Optical Architect role involves designing and developing the optical aspects of quantum computing systems, translating abstract quantum protocols into hardware specifications. You will work closely with cross-functional teams to analyze, evaluate, and improve the architectural design, focusing on qubit networking and performance modeling.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

On-site Permanent

Intern, System Architecture

This role involves developing and simulating photonic quantum computing architectures by translating theoretical quantum protocols into physical system designs. Interns will work on building software prototypes, optimizing optical networks, and advancing new approaches to fault-tolerant quantum systems using silicon photonics and quantum information theory. The position bridges hardware, manufacturing, and quantum architecture in a high-impact research environment.

PsiQuantum United Kingdom £31,200 – £56,160 pa

Hybrid Internship