Quantum Computing Jobs

91 jobs for “Quantum Computing Scientist”

Results

Quera Computing

Sr. Quantum Scientist

  • Didcot
  • On-site
  • Senior
  • Permanent

Design, build and characterise neutral-atom quantum computing hardware, including constructing a next-generation quantum computer at the Harwell campus. The role involves calibrating and improving QPU operation, investigating noise and decoherence, analysing experimental data, and collaborating with physicists, engineers and academic partners.

Neutral Atom Platform · Trapped Ion System · Gate-Based Quantum Computers +1

3 days ago

Quantinuum · 201–500 people · Series B

Advanced R&D Scientist - Quantum Algorithms - 920

  • London
  • Hybrid
  • Mid-level

Develops novel quantum algorithms in computational topology and geometry, characterising resource requirements and noise-robustness, then implementing and optimising them on Quantinuum's quantum hardware using error mitigation and error correction. Collaborates across the full quantum computing stack and with academic and industry partners on quantum topological data analysis use cases, with encouragement to publish and present results.

pytket · Guppy · Qiskit

3 months ago

Universal Quantum · 51–200 people · Series A

Senior Experimental Quantum Physicist

  • Haywards Heath
  • On-site
  • Senior
  • Permanent

Lead the operation, calibration and characterisation of ion-trap quantum computing hardware, owning experimental performance. Develop methods for quantum measurement and control, applying AMO physics to laser cooling, trapping and detection, and build models to guide optimisation. Mentors junior scientists within a multidisciplinary team.

3 months ago
IonQ logo

IonQ · 501–1000 people · Public

Senior Quantum Physicist

  • Oxford
  • Hybrid
  • Senior

Validates and optimises trapped-ion quantum computers, prototyping coherent control and cooling schemes, calibrating and benchmarking qubit gates, and validating emerging trap technologies with integrated electronics and photonics. Involves coding and debugging experiments in Python or Rust and documenting findings within a fast-moving UK science team.

Python · Rust

Last month
Rigetti logo

Rigetti · 51–200 people · Public

Lead Quantum Engineer, Systems Performance

  • 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

Get new Quantum Computing Scientist roles by email. One email a week when new roles match, or daily if you prefer. Stop any time.

Rigetti logo

Rigetti · 51–200 people · Public

Senior Quantum Engineer, Gate Calibration

  • 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

Quantinuum · 201–500 people · Series B

Advanced Compiler Engineer - Quantum Software - 1044

  • 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

Last week

Universal Quantum · 51–200 people · Series A

Optical Engineer

  • 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
IonQ logo

IonQ · 501–1000 people · Public

Principal Software Architect

  • Oxford
  • Lead

Leads the evolution of the system software architecture for a quantum computer, spanning real-time hardware control, low-level orchestration and developer-facing interfaces across a family of products. Coaches technical leads in architectural principles and coordinates with infrastructure, firmware and compiler teams in the UK and US, working at system level rather than designing through code.

Rust · AWS

Last week
Oxford Ionics logo

Oxford Ionics · 51–200 people · Series B

Staff Software Engineer, System Orchestration

  • 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

Last week

Infleqtion · 51–200 people · Public

QRF Lead Scientist

  • Oxford
  • Hybrid
  • Lead
  • Permanent · Flexible

Lead scientist role focused on quantum radio frequency (QRF) research within a global quantum technology company. Involves driving experimental work on atom-based quantum sensors and platforms, bridging fundamental physics with commercial product development. Based in Kidlington, Oxford, with up to two days remote working per week.

Last month

Pasqal

Quantum Error Correction Engineer - W/M

  • 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

Infleqtion · 51–200 people · Public

Quantum Software Engineer - QEC

  • 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

PsiQuantum · 501–1000 people · Late stage

Senior Quantum Applications Architect

  • Warrington
  • £73,300 – £86,100 pa
  • Senior

Translate computational tasks into abstract quantum-algorithm specifications, analyse asymptotic performance, and define problem instances beyond classical reach. Work with the Compilation team on explicit implementations and resource estimates, and lead research programs with industrial and academic partners across fault-tolerant photonic quantum computing.

Python · C++

3 days ago

PsiQuantum · 501–1000 people · Late stage

Mechanical Design Engineer – Photonic Hardware

  • Warrington
  • On-site
  • £50,000 – £56,000 pa
  • Mid-level
  • Permanent

Mechanical design role focused on precision hardware for optical quantum computing, covering enclosure and packaging design, thermal management, simulation and validation. Works closely with photonics, systems and architecture teams plus external suppliers, taking concepts from prototype build toward manufacturable systems.

Silicon Photonics · Fibre Optics · Cryogenics +1

3 weeks ago

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