Latest Quantum Cryptography Jobs

Experimental Quantum Physicist

Operate ion-trap quantum computing hardware, developing quantum control protocols for ion shuttling and quantum gates. Run calibration, optimisation and characterisation procedures, and build theoretical models and simulations to compare measurements with predicted quantum dynamics. Works within a multidisciplinary team of software, electrical, physics and quantum engineers.

Universal Quantum Haywards Heath

On-site Permanent

Mechanical Engineer

Design, build and test thermal control systems and electronic enclosure assemblies for ion-trap quantum devices, integrating mechanical designs with laser and electronic systems. Work within a multidisciplinary team of electrical engineers, physicists and quantum engineers, contributing to project planning, risk management and scheduling.

Universal Quantum Haywards Heath

Hybrid Permanent

Embedded Systems Engineer - FPGA Platform

Develops embedded Linux software, firmware and board-support packages for Xilinx FPGA SoC platforms, using C/C++, Rust, Yocto or Buildroot, plus device-tree configs and low-level drivers. Works with physicists and electronics, FPGA and software engineers on control, acquisition, timing and communications systems for quantum RF sensors, covering board bring-up, integration, automated test and validation.

Infleqtion Kidlington

Hybrid Permanent

Senior Process Engineer - Physical Vapor Deposition (PVD)

Owns the health and performance of production PVD deposition modules used to fabricate superconducting quantum processors, developing, optimising and qualifying thin-film processes via SPC and data analysis. Works cross-functionally with equipment, facilities, integration and quantum engineering teams, with growing scope to set technical direction and mentor engineers.

Rigetti Fremont, United States US$170,000 – US$200,000 pa

On-site Permanent

Mixed Signals Electronics Engineer - Compute

Designs, verifies and implements mixed-signal and analogue electronic systems for quantum products, covering signal-chain architecture, modelling and simulation, and digital/mixed-signal circuit design with DAC/ADC and FPGAs. Also handles PCB design and layout, RF shielding, cabling and routing, plus test plans and supplier engagement within a multi-disciplinary team.

Infleqtion Oxford

Hybrid Permanent

Senior Mechanical Engineer

Lead the mechanical design and integration of cryogenic hardware for quantum computers, including cryostat internals, RF signal delivery and silicon device packaging inside dilution refrigerators. Work spans 3D CAD, FEA thermal/vibrational simulation, prototyping and supplier management, collaborating with quantum physicists and RF engineers.

Rigetti Berkeley, United States US$165,000 – US$190,000 pa

Hybrid

Senior Optical Fibre Engineer

Develops and evaluates advanced optical fibre for high-performance optical systems, combining simulation of modal properties, loss, dispersion and coupling with hands-on experimental measurement and verification. Works with internal photonics, systems and experimental teams plus external development partners to translate system requirements into fibre performance targets and steer design tradeoffs.

PsiQuantum Warrington £64,000 – £76,500 pa

On-site Permanent

Electronics Engineer

Designs RF and high-speed electronics for controlling and reading out quantum photonic hardware, including electro-optic modulator drivers, SNSPD readout and low-latency control systems. Works alongside photonics and quantum teams, with FPGA-based design, debugging and lab measurement of complex cryogenic hardware.

PsiQuantum Warrington £50,000 – £57,000 pa

Senior Receiving Inspector

Inspects incoming, in-process and finished components against mechanical, electrical and PCBA specifications, interpreting GD&T drawings and programming CMM, OMM or vision systems. Owns the inspection side of the Material Review Board, containing nonconforming material, writing NCRs and closing records, while allocating daily inspection work and guiding less experienced inspectors.

IonQ Oxford

On-site

Senior Silicon Validation Engineer

This role involves leading the validation and characterisation of analogue and mixed-signal ASICs for trapped-ion quantum processors. Responsibilities include developing validation strategies, building reusable hardware and software, and conducting cryogenic measurements to ensure silicon acceptance.

IonQ Oxford

Electronics Design Engineer – Analogue/Mixed Signal/RF

Own the full electronics development lifecycle for photonic computing hardware, from analogue and mixed-signal circuit design through schematic capture, PCB layout, prototyping and lab verification. Work alongside physicists, optical engineers and embedded software developers in a collaborative R&D team, testing with oscilloscopes and spectrum analysers and supporting integration and EMC work.

Anonymous London

Hybrid

FPGA Engineer

Develops FPGA-based digital control hardware for photonic quantum computing systems, owning architecture, RTL design, simulation, synthesis, timing closure and hardware bring-up. Works in a multidisciplinary R&D team with electronics engineers, physicists and software developers on high-speed, low-latency control and signal processing using ADCs, DACs and high-speed interfaces.

Anonymous London

Hybrid Permanent

Senior Chief Platform Architect - 801

Acts as technical authority for a quantum software developer platform, owning the design of access portals, hybrid workflow orchestration, tooling, documentation and security. Works with hardware-software co-design leaders to keep the platform scalable, mentors senior engineers, sets coding standards and drives the technical roadmap.

Quantinuum London US$179,000 – US$241,000 pa

Solicitor/Associate

We are growing our Keoghs Scotland’s Abuse team in Glasgow and are looking for a Solicitor or Associate.This is a challenging, high-impact role advising a varied and interesting client base on complex and sensitive claims.You’ll work with a dynamic, supportive...

Keoghs Glasgow

Permanent

Software Engineers

Builds horizontally scalable, mission-critical enterprise software within a fast-moving product team where code ships to customers in weeks. Works with systems architects on component design, applies AI tooling across the development lifecycle, and monitors production performance. Uses languages such as Java, Kotlin, Rust, Python or C++ with containers and cloud IaaS/PaaS.

Arqit Belfast