Quantum Computing Jobs

111 jobs for “Quantum Cryptography Engineer”

Results

Universal Quantum · 51–200 people · Series A

Experimental Quantum Physicist

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  • Haywards Heath
  • On-site
  • Permanent

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.

3 months ago

Universal Quantum · 51–200 people · Series A

Mechanical Engineer

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  • Haywards Heath
  • Hybrid
  • Permanent

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.

3 months ago

Infleqtion · 51–200 people · Public

Systems Integration Engineer - Compute

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  • Kidlington
  • Hybrid
  • Permanent

Integrate RF, optical, electronic and third-party devices into complex quantum computing systems, translating system requirements into practical architectures, interconnects and control schemes. Perform bring-up, commissioning, fault isolation and EMI/EMC troubleshooting, and define verification and validation test plans. Work within multi-disciplinary teams of physicists, engineers and technicians.

Last month

Infleqtion · 51–200 people · Public

Embedded Systems Engineer - FPGA Platform

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  • Kidlington
  • Hybrid
  • Mid-level
  • Permanent

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.

Xilinx FPGA SoC · Yocto · Buildroot +3

3 months ago
Rigetti logo

Rigetti · 51–200 people · Public

Senior Mechanical Engineer - Cryogenic

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  • Berkeley, United States
  • Hybrid
  • US$165,000 – US$190,000 pa
  • Senior

Owns the mechanical architecture of quantum hardware systems, from room-temperature infrastructure down to the millikelvin core of dilution refrigerators. Leads the cryogenic signal chain design, thermal interface definition, simulation in COMSOL or ANSYS, prototype builds and qualification, working alongside quantum physicists and RF engineers.

SolidWorks · COMSOL · ANSYS +3

3 months ago
Rigetti logo

Rigetti · 51–200 people · Public

Senior Process Engineer - Physical Vapor Deposition (PVD)

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  • Fremont, United States
  • On-site
  • US$170,000 – US$200,000 pa
  • Senior
  • Permanent

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.

Sputtering · E-beam Evaporation · Thermal Evaporation +7

Visa sponsorship 4 months ago

PsiQuantum · 501–1000 people · Late stage

Senior Optical Fibre R&D Engineer

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  • Warrington
  • £64,000 – £76,500 pa
  • Senior

Laboratory-based R&D role designing and running precise, repeatable measurements of optical fibre properties such as loss, modal content, dispersion and polarisation, and interpreting how they affect system performance. Combines experimental characterisation, optical modelling and exploratory subsystem demonstrations, working with optical-interface and mechanical-design specialists plus external research partners.

FDTD

5 days ago

PsiQuantum · 501–1000 people · Late stage

Electronics Engineer

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  • Warrington
  • £50,000 – £57,000 pa
  • Mid-level

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.

FPGA · ASIC · SNSPD

2 weeks ago

Quantinuum · 201–500 people · Series B

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

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  • London

A speculative general-interest application rather than a defined role, inviting candidates with an interest or experience in quantum technologies to submit details for future openings. Work spans quantum hardware and software, including quantum chemistry, AI, machine learning/QML, encryption, QNLP and algorithms, across London, Cambridge and Oxford.

Quantinuum

66 months ago
IonQ logo

IonQ · 501–1000 people · Public

Senior Receiving Inspector

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  • Oxford
  • On-site
  • Senior

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, controlling nonconforming material and closing NCRs, while allocating daily work and guiding less experienced inspectors.

CMM · OMM · Vision Systems +2

Last week
IonQ logo

IonQ · 501–1000 people · Public

Senior Silicon Validation Engineer

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  • Oxford
  • Hybrid
  • Senior

Lead validation and characterisation of analogue and mixed-signal ASICs for trapped-ion quantum processors, from test planning and platform development through first-silicon bring-up, debug and system integration. The role spans room-temperature and cryogenic (around 4 K) measurements on packaged parts, chip-on-board assemblies and bare die, with heavy Python automation and test PCB work.

Python · Git · SPI +7

2 weeks ago

Anonymous

Electronics Design Engineer – Analogue/Mixed Signal/RF

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  • London
  • Hybrid
  • Senior

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.

ADC · DAC · Oscilloscopes +1

2 weeks ago

Anonymous

FPGA Engineer

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  • London
  • Hybrid
  • Mid-level
  • Permanent

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.

Xilinx Vivado · Intel Quartus · ADC +2

Last week

Quantinuum · 201–500 people · Series B

Senior Chief Platform Architect - 801

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  • London
  • US$179,000 – US$241,000 pa
  • Senior

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.

AWS · Azure · GCP +1

7 months ago
Oxford Ionics logo

Oxford Ionics · 51–200 people · Series B

Staff Software Engineer, System Orchestration

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  • Oxford
  • Hybrid
  • Senior

Hands-on staff engineering role building the control plane that schedules and prioritises quantum programs, arbitrates exclusive hardware access, streams results and records everything that ran across a fleet of trapped-ion quantum computers. Work spans Rust services, PostgreSQL persistence, crash recovery and scheduling frameworks, with deep diagnosis of live-system failures.

Rust · gRPC · REST +6

5 days ago

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