Latest Quantum Cryptography Engineer Jobs

Staff/Senior IC Layout Engineer

This role involves hands-on block-level layout design, parasitic extraction, and optimization of layouts for quantum processors. You will collaborate closely with the design team, perform top-level floor-planning, and provide tool/flow support for analogue and layout design. The position offers opportunities for professional growth and impact within a cutting-edge quantum computing start-up.

Quantum Motion London, United Kingdom

On-site Permanent

Assistant Management Accountant

This role involves supporting the Finance team in a fast-growing quantum computing startup. Responsibilities include accounting, financial reporting, financial modelling, and system management. The position offers opportunities for professional growth and impact within a dynamic, interdisciplinary team.

Quantum Motion London, United Kingdom

On-site Permanent

Software Engineer (Modelling & Simulations)

AtUniversal Quantum,we aim to make the world a better place by developing a new computer technology. Together, we are creating truly impactful quantum computers. Our machines will be capable of solving problems until now considered impossible, with applications ranging across...

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Software Engineer (Compilers)

AtUniversal Quantum, we aim to make the world a better place by engineering the future of computing. Together, we are creating truly impactful quantum computers. Our machines will be capable of solving problems until now considered impossible, with applications ranging...

Universal Quantum Haywards Heath, 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

Opto Mechanical Engineer

This role involves collaborating with a cross-functional team to design, build, and test optomechanical systems for quantum computing. Responsibilities include gathering system requirements, using simulation tools, creating CAD models, and characterizing components for performance and reliability.

Infleqtion Oxford, United Kingdom

Hybrid Permanent

Senior Photonics Engineer, Optical Interfaces

The role involves developing ultra-low-loss optical interfaces for quantum computing systems, combining device concept development, optical simulation, and experimental validation. The engineer will work closely with internal and external teams to assess and mature new approaches for mode conversion and coupling, ensuring solutions are both high-performing and practical.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

On-site Permanent

Senior Thermo-Mechanical Engineer

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 Runcorn, WA7 1UP, United Kingdom

Senior Software Engineer - Oxford

As a Senior Software Engineer, you will work on developing a quantum compiler, writing embedded firmware, designing high-level APIs, and advancing internal development infrastructure. You will collaborate with scientists and engineers to build and optimize quantum computing systems using Python, Rust, and custom hardware.

Oxford Ionics Oxford, United Kingdom

Hybrid Permanent

Physicist, System Operations - Oxford

This role involves the day-to-day operation, monitoring, and maintenance of trapped-ion quantum computers. You will work on improving system uptime, building observability and automation, and collaborating with teams across time zones to ensure reliable performance of IonQ's quantum systems.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Chief Platform Architect - 801

We are seeking anChief Platform Architect in our CO, MN, or UK locations. As theChief Platform Architect for the Quantum Software Developer Platform, you will act as the technical authority for the design Quantinuum’s developer platform: access portals for quantum...

Quantinuum United States US$208,000 – US$260,000 pa

Hybrid Permanent

Deployment Physicist, On-premises Installation - 572

We are seeking a highly qualified Deployment Physicist, On-premises Installation based in our London or Cambridge locations to install and service Helios systems worldwide for our Hardware-as-a-Service business.Helios is our current-generation quantum computer with 98 physical qubits and >99.9% two-qubit...

Quantinuum United Kingdom

Hybrid

QEC Applications Scientist

QEC Applications ScientistBoston, MA, US | Full-time | Permanent | HybridSalary: $135,000 to $170,000 DOEAbout usRiverlane’s mission is to master quantum error correction (QEC) and unlock a new age of human progress. From advances in material and climate science, to...

Riverlane

Senior Legal Counsel

Cambridge, UK | Full-time | Permanent | HybridAbout usRiverlane’s mission is to master quantum error correction (QEC) and unlock a new age of human progress. From advances in material and climate science, to complex chemistry simulation for new drug design,...

Riverlane Cambridge, United Kingdom

2026 Applied Scientist Intern, Amazon University Talent Acquisition

Are you a MS or PhD student interested in a 2026 internship in the field of machine learning, deep learning, generative AI, large language models and speech technology, robotics, computer vision, optimization, operations research, quantum computing, automated reasoning, or formal...

Amazon London, United Kingdom

Permanent