Quantum Computing Jobs

107 jobs for “quantum engineer”

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Rigetti logo

Rigetti · 51–200 people · Public

Lead Quantum Engineer, Systems Performance

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  • Berkeley, United States
  • Hybrid
  • US$190,000 – US$225,000 pa
  • Lead · manages people

Lead a cross-functional team building next-generation superconducting quantum hardware, proposing new technical directions and designing experiments to improve performance and scalability. Own delivery of key quantum technologies, using cryogenic systems, RF and time-domain measurement, and Python to close performance gaps.

Python · cQED Simulation Tools

3 months ago
Rigetti logo

Rigetti · 51–200 people · Public

Senior Quantum Engineer, Gate Calibration

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  • Berkeley, United States
  • Hybrid
  • US$175,000 – US$200,000 pa
  • Senior

Lead experimental programs to characterize, calibrate and optimize two-qubit gates on tunable-coupler superconducting processors, isolating error sources such as leakage, crosstalk and decoherence. Develop pulse shaping, dynamical decoupling and automated calibration methods that scale across hundreds of qubit pairs, feeding findings back into device design and fabrication.

QuTiP · Rigetti Quantum Cloud Services

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

Universal Quantum · 51–200 people · Series A

Optical Engineer

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  • Haywards Heath
  • On-site
  • Permanent

Provide optical engineering support to a team developing commercial trapped-ion quantum computers. Design, assemble, align and characterise laser and optical subsystems, integrate fibre-optic and opto-mechanical assemblies, and develop test methods to improve alignment stability and throughput. Work alongside electronics, mechanical, physics and quantum engineers.

2 months ago

Infleqtion · 51–200 people · Public

Quantum Software Engineer - QEC

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  • Kidlington
  • Hybrid
  • Mid-level
  • Permanent

Designs, analyses and implements fault-tolerant architectures for scalable quantum computation, developing error-correcting codes, decoders and fault-tolerant gate constructions tailored to neutral atom hardware. Works with hardware, control and compiler teams to model noise, optimise syndrome extraction and define logical performance metrics, bridging QEC theory and experimental implementation.

8 months ago

Get new quantum engineer roles by email. One email a morning when new roles match. Stop any time.

Infleqtion · 51–200 people · Public

Quantum Software Engineer - Algorithms & Applications

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  • Kidlington
  • Hybrid
  • Mid-level
  • Permanent

Designs, implements and optimises quantum algorithms for simulation, optimisation and hybrid quantum-classical workloads, working with hardware, control and research teams to turn theory into executable applications. Deploys software optimisations to the Superstaq cloud platform using industry-grade engineering practices, supports customers, and contributes to research publications and commercial proposals.

Superstaq

8 months ago

Quantinuum · 201–500 people · Series B

Advanced Compiler Engineer - Quantum Software - 1044

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  • Cambridge
  • Hybrid
  • Senior

Maintain and extend a Rust-based quantum compiler codebase, implementing optimisations for quantum-classical programs and new language features. Work across the full development lifecycle with a small team on the TKET compiler and Guppy language, at the intersection of compiler design and quantum computing research.

TKET · Guppy · LLVM +1

2 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

Pasqal

Quantum Error Correction Engineer - W/M

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  • London
  • Hybrid
  • Senior
  • Permanent · Flexible

Develops and benchmarks quantum error-correcting codes and fault-tolerant protocols tailored to neutral-atom hardware, including decoder design, logical error models and error budgets. Builds and maintains QEC simulation and emulation tools, analyses experimental data, and provides QEC-driven inputs to future QPU architecture design. Involves writing technical reports and scientific articles and representing the company at international conferences.

Python

2 months ago
Quantum Dice logo

Quantum Dice

Solutions Engineer - Government, Defence and Critical Industries

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  • Oxford
  • Hybrid
  • Permanent

Customer-facing technical role translating defence and national security challenges into mathematical models, building prototypes on quantum-enabled simulators and probabilistic hardware, and benchmarking against classical solvers. Spans Solutions, Applied Research, Engineering and Commercial teams, leading projects from requirements capture to pilot under security classification and export control constraints.

CPUs · GPUs

SC clearance Last week

PsiQuantum · 501–1000 people · Late stage

Senior Photonics Engineer, Optical Interfaces

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  • Warrington
  • On-site
  • £64,000 – £76,500 pa
  • Senior
  • Permanent

Develops ultra-low-loss optical interfaces between dissimilar waveguiding platforms, combining device concept design, optical simulation with BeamPROP or FDTD, and hands-on experimental validation of coupling and mode conversion. Works with internal photonics, systems and experimental teams plus external partners to mature practical, manufacturable interface solutions.

BeamPROP · FDTD · BPM +1

2 weeks ago
IonQ logo

IonQ · 501–1000 people · Public

Software Engineer, Non-Realtime Controllers

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  • Oxford
  • Hybrid
  • Mid-level

Build and operate the software controlling the supporting hardware of trapped-ion quantum computers, from cryogenic compressors to lasers, wavemeters and sensors. You'll own device controllers end to end — API design, implementation, fleet rollout and operational health — working in a Rust codebase with hardware protocols like SCPI, serial, TCP/IP and USB alongside software, systems and quantum science teams.

Rust · SCPI · TCP/IP +1

Clearance required 3 weeks ago
IonQ logo

IonQ · 501–1000 people · Public

Software Engineer, System Orchestration

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  • Oxford
  • Hybrid
  • Mid-level

Builds the control plane that schedules quantum programs, calibration routines and customer workloads onto trapped-ion hardware, arbitrating exclusive access and streaming results. Owns persistence, data models and migrations, plus tests and harnesses run against real machines and simulators. Works in Rust, PostgreSQL and gRPC alongside runtime, systems and operator teams.

Rust · PostgreSQL · gRPC +7

Clearance required 3 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

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

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