Latest Quantum Cryptography Engineer Jobs

Head of Systems Delivery

The Head of Systems Delivery will lead the technical execution of quantum system deployments, bridging quantum engineering with system engineering. Responsibilities include planning, commissioning, and stabilizing full-stack silicon spin qubit-based quantum systems, both in-house and at client sites, while coordinating with cross-functional teams to ensure successful delivery and operational readiness.

Quantum Motion London, United Kingdom

On-site Permanent

Lead QPU Design Engineer

The Lead QPU Design Engineer will lead the end-to-end design and execution of silicon spin qubit quantum processor units (QPUs) and test vehicles, from concept to tapeout. This role involves hands-on work in layout or simulation, defining standards, running reviews, and managing a team, while collaborating with experimentalists and device modellers to refine designs and device models.

Quantum Motion London, United Kingdom

Hybrid Permanent

Team Lead - Hardware

AtUniversal Quantum we are creating the impossible. Together we are creating truly impactful quantum computers. We are looking to hire aTeam Lead – Hardwarewithin the Electronics Group to realize the electronic solution of our Quantum Computer. Passionate about helping create...

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

Open Applications

At Universal Quantum we are creating the impossible. Together we are creating truly impactful quantum computers. Passionate about helping create technologies which can change the world? We may be the right place for you so get in touch!Don't see the...

Universal Quantum Haywards Heath, United Kingdom

On-site

Operations & Inventory Manager

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 Oxford, United Kingdom

Hybrid Permanent

HR Coordinator

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 Oxford, United Kingdom

Hybrid Permanent

Senior Optical Packaging & Assembly 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

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

Systems Integration & Commissioning Engineer

This role involves hands-on implementation, integration, and repeatable build of lab-based AMO subsystems. Responsibilities include inspecting and verifying subsystems, preparing parts, organizing integration activities, and performing practical troubleshooting to improve build processes and reliability.

Oxford Ionics Oxford, United Kingdom

On-site Permanent

Senior Staff Analogue Designer

This role involves leading the development of key analogue electronics for Quantum Processor Units (QPUs) in a cutting-edge quantum computing environment. You will design, validate, and implement high-performance analogue circuits, collaborate with multi-disciplinary teams, and mentor junior engineers.

Oxford Ionics Oxford, United Kingdom

Hybrid Permanent Flexible

Integration Software Engineer

As an Integration Software Engineer at Riverlane, you will design and build embedded software components for the quantum error correction stack, Deltaflow, and integrate it into world-class quantum computing systems. You will collaborate with the engineering, product, and quantum physics teams to ensure seamless deployment and performance, working hands-on in areas outside your expertise and directly with customers.

Riverlane Cambridge, United Kingdom £65,000 – £80,000 pa

Hybrid Permanent

Chief Architect for Developer Tools - 802

As the Chief Architect for Developer Tools, you will lead the technical direction for Quantinuum’s quantum software tools, working closely with hardware teams to ensure the software stack is scalable and optimized. You will mentor senior engineers, set coding standards, and drive the technical roadmap to deliver robust, production-ready systems.

Quantinuum Cambridge, United Kingdom

On-site Permanent

Director of Software US or UK - 800

As the Director of Software, you will lead the development of a high-performance software stack for quantum computers, including front-end languages, compilers, and applications. You will manage teams in both the US and UK, ensuring the software ecosystem aligns with hardware advancements and customer needs, while staying at the forefront of quantum computing trends.

Quantinuum United Kingdom US$238,050 – US$297,563 pa

On-site Permanent

Senior Digital Design Engineer

Cambridge, UK | Full-time | Permanent | HybridSalary:£70,000 to £90,000 DOE + Bonus + BenefitsThe salary range for this role is broad, as we are able to consider varying levels of experience. Any offer made will carefully take into account...

Riverlane Cambridge, United Kingdom

Compiler Engineer

You will design and build system tools like compilers, emulators, profilers, and debuggers, focusing on error-corrected quantum computing systems. You'll collaborate with scientists and engineers to implement new error correcting codes and runtimes, working in a fast-paced, evolving market where continuous learning and adaptability are key.

MicroTech Consulting Cambridge, United Kingdom £69,000 – £70,000 pa

On-site Permanent