Latest Hardware Security Jobs

PQShield logo

Sales Director - Japan

Lead sales strategy and execution for a post-quantum cybersecurity company in Japan, targeting enterprise clients in semiconductor, telecom, automotive, and security sectors. Drive market expansion by building relationships with key stakeholders and closing high-value technical IP deals. Collaborate with field application engineers and global teams to align product development with customer needs.

PQShield United Kingdom
PQShield logo

Senior Sales Engineer (FAE)

Act as a technical liaison between sales and engineering teams, supporting the integration of post-quantum cryptography solutions into semiconductor, security, and enterprise clients across North America. You'll demonstrate complex technical solutions, gather customer requirements, and ensure smooth technical onboarding, while collaborating globally to shape product direction. The role involves 10–20% travel and deep engagement with both engineering teams and C-level stakeholders.

PQShield United Kingdom

Photonic Layout Engineer

Design and integrate photonic components into multi-layer quantum processor chips, ensuring precise layout and compatibility with metal and CMOS routing. Collaborate with scientists and engineers to define design rules and advance photonic process design kits. Perform layout verification and produce reticle-scale files for commercial fabrication using Python-based tools.

IonQ Oxford, United Kingdom

Senior Electronics Engineer

This role involves diagnosing and resolving electronics and control hardware issues in trapped-ion quantum computers, from root cause analysis to permanent design fixes. The engineer will lead reliability upgrades, standardize electronics across systems, and work closely with cross-functional teams to improve uptime and reduce operational costs. Key activities include PCB design, system-level testing, retrofitting live systems, and ensuring all improvements are documented and integrated into future builds.

IonQ Oxford, United Kingdom
Hybrid Permanent Clearance Required
Quantinuum logo

Internship at Quantinuum’s UK QEC team

Work on cutting-edge quantum error correction research, contributing to architectural design and implementation of QEC systems. Engage in hands-on projects involving algebraic geometry, tensor networks, or fault-tolerant quantum computing, with potential to publish or develop software libraries. Collaborate closely with researchers and engineers in a high-impact technical environment.

Quantinuum United Kingdom £2,500 pm
Universal Quantum logo

Senior Experimental Quantum Physicist

Lead and optimize experimental ion-trap quantum computing systems, from concept to execution, focusing on quantum control, measurement, and system calibration. Develop theoretical models and simulations to guide technical decisions and improve hardware performance. Collaborate across physics and engineering teams while mentoring junior scientists and advancing next-generation quantum computing technologies.

Universal Quantum Haywards Heath, United Kingdom
On-site Permanent

Senior Quality Engineer

This role involves establishing and leading a Quality Management System for quantum computing hardware, with direct responsibility for incoming quality control, non-conformance resolution, and supplier quality. The engineer will inspect high-precision components like machined parts, PCBAs, and RF hardware used in cryogenic environments, while embedding quality into new product introductions and driving continuous improvement across manufacturing and development processes.

Rigetti United States US$165,000 – US$190,000 pa
Quantinuum logo

Senior Manager - Quantum Development Tools - 929

This role involves leading engineering teams to develop core quantum software tools, including quantum programming languages, compilers, and toolkits like TKET and Guppy. The manager will guide the evolution of experimental prototypes into robust, production-grade software while collaborating with hardware, theory, and product teams globally. Emphasis is on technical leadership in compiler design and developer tooling within a cutting-edge quantum computing environment.

Quantinuum Cambridge, United Kingdom
Hybrid
Universal Quantum logo

Optical Engineer

Design and integrate high-precision optical and laser subsystems for trapped-ion quantum computing systems. Develop test methods and support alignment and diagnostics to ensure robust performance. Work within a multidisciplinary team of engineers and scientists to advance commercial quantum hardware.

Universal Quantum Haywards Heath, United Kingdom
On-site Permanent

Senior Technical Program Manager (TPM)

This role involves leading the end-to-end planning and execution of complex, multidisciplinary technical programs in quantum computing, integrating hardware, cryogenics, control systems, and software. The Senior Technical Program Manager will coordinate across research and engineering teams to align milestones, manage dependencies, and ensure timely delivery of deployable quantum systems. It is a systems-focused leadership role in a fast-paced, research-driven deep-tech environment.

Rigetti United States US$160,000 – US$190,000 pa
Hybrid Permanent
Phasecraft logo

Quantum Algorithms Engineer

Phasecraft is the quantum algorithms company. We are building the mathematical foundations for quantum computing applications that solve real-world problems. Founded in 2019 by Toby Cubitt, Ashley Montanaro and John Morton, we are based in London and Bristol, UK. In...

Phasecraft Bristol, United Kingdom
Hybrid Permanent
Phasecraft logo

Quantum Algorithms Scientist

Phasecraft is the quantum algorithms company. We are building the mathematical foundations for quantum computing applications that solve real-world problems. Founded in 2019 by Toby Cubitt, Ashley Montanaro and John Morton, we are based in London and Bristol, UK. In...

Phasecraft Bristol, United Kingdom
Hybrid Permanent
Infleqtion logo

Quantum Software Engineer - QEC

Designs and implements quantum error correction (QEC) protocols for scalable, high-fidelity quantum computation, with a focus on neutral atom platforms. Develops custom decoders, models noise processes, and collaborates with hardware and software teams to translate theoretical QEC frameworks into practical implementations. Engages in research, simulation, and cross-team collaboration to advance fault tolerance in quantum systems.

Infleqtion Kidlington, United Kingdom
Hybrid Permanent
Infleqtion logo

Quantum Software Engineer - Algorithms & Applications

Develops quantum algorithms and applications for near-term and fault-tolerant quantum systems, focusing on simulation, optimization, and hybrid quantum-classical workflows. Works across software, hardware, and research teams to implement and optimize algorithms using modern quantum SDKs and compiler toolchains. Contributes to customer support, proposal development, and scientific publication in high-impact journals.

Infleqtion Kidlington, United Kingdom
Hybrid Permanent
PsiQuantum logo

Intern, System Architecture

This internship involves developing photonic quantum computing architectures through simulation, software implementation, and protocol design. Interns will work on translating quantum information theory into physical system designs, using programming and modeling to advance fault-tolerant quantum systems. The role emphasizes collaboration, innovation, and technical rigor in a cutting-edge quantum computing environment.

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