Latest Quantum Cryptography Engineer Jobs

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

Optics Engineer

Contract Type: Full-time, PermanentLocation:Cambridge, UKVisa Sponsorship availableClosing date for applications: Wednesday 20th May 2026 at 5pm (UK time).Join Nu Quantum - Shaping the Future of TechnologyNu Quantum is at the forefront of quantum computing and advanced technology, driven by innovation,...

Nu Quantum Cambridge, United Kingdom

On-site Permanent

FPGA Design Engineer

This role involves designing and verifying RTL and embedded code for Xilinx FPGAs and SoCs used in real-time control systems for quantum networking. The engineer will work hands-on with multidisciplinary teams to develop and debug hardware subsystems, contribute to next-generation platforms using White Rabbit technology, and support automation of toolchains and CI/CD pipelines. The position is central to deploying scalable quantum infrastructure.

Nu Quantum Cambridge, United Kingdom

On-site Permanent

RF - System Designer

This role involves leading the design and architecture of end-to-end RF delivery systems for quantum computing hardware, including transmission lines to the quantum chip. The designer will define specifications, oversee simulation and testing, and collaborate closely with cross-functional teams including electronics, ASIC, mechanical, and physics engineers. The position emphasizes innovation in RF solutions within a rapidly evolving quantum technology environment.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent Clearance Required

ASIC Evaluation Engineer

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

On-site Permanent

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

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

Senior Technical Program Manager (TPM)

The Senior Technical Program Manager will lead the planning and execution of complex engineering programs at Rigetti, coordinating between research scientists, hardware engineers, and control systems to deliver integrated quantum systems on schedule. The role involves managing program roadmaps, milestones, and integration schedules, while ensuring alignment with company priorities and driving operational excellence in a fast-moving, research-driven environment.

Rigetti United States US$160,000 – US$190,000 pa

Hybrid Permanent

Senior Optical Fibre Engineer

The Senior Optical Fibre Engineer will focus on developing and evaluating advanced optical fibre for high-performance optical systems. This role involves optical modelling, experimental validation, and collaboration with internal and external teams to translate performance requirements into practical technical direction for advanced fibre technologies.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

On-site 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

Laser Systems Engineer (UK)

The Laser Systems Engineer will be the first UK-based member of QuEra's Laser Systems Group, responsible for maintaining and troubleshooting high-precision laser systems at the Harwell site. This hands-on role involves supporting the latest generation of QuEra’s QPU, collaborating with the Boston team, and contributing to global fleet operations and R&D initiatives.

Quera Computing Vale Of White Horse, United Kingdom

On-site Permanent

General Interest in working for Quantinuum - London-Cambridge-Oxford

This role involves contributing to the development of quantum computing technologies, including quantum hardware and software, quantum chemistry, AI, machine learning, encryption, and more. You will work with a team of leading scientists and engineers to drive breakthroughs in materials discovery, cybersecurity, and next-gen quantum AI.

Quantinuum United Kingdom

On-site Permanent

Sr. AMO Physicist

This role involves advancing neutral-atom quantum computing systems through experimental design, calibration, and testing of quantum processing units (QPUs). The physicist will diagnose noise and decoherence issues, analyze data to drive improvements, and collaborate with cross-functional teams. Work takes place at Quera’s UK site within a research-intensive, innovation-driven environment.

Quera Computing Vale Of White Horse, United Kingdom

On-site Permanent

Senior FPGA Architect, Control Systems

The Senior FPGA Architect will develop and optimize FPGA-based control systems for quantum processors, working closely with hardware, firmware, and quantum engineering teams. Responsibilities include defining architectures, implementing high-performance digital logic, and ensuring robustness in production environments.

Rigetti United States US$155,000 – US$190,000 pa

On-site Permanent

Head of IT

The Head of IT will lead Riverlane's corporate IT operations and manage the on-premises high-performance computing (HPC) infrastructure. This role involves setting IT strategy, ensuring robust security, and collaborating with engineering and research teams to support quantum computing advancements.

Riverlane Cambridge, United Kingdom £100,000 – £130,000 pa

Hybrid Permanent