Quantum Computing Jobs

89 jobs for “Quantum Cryptography”

Results

PQShield · 51–200 people · Series B

Senior Sales Engineer (FAE)

  • Remote (within the USA); Ideally Austin or California. Some travel to our offices will be required from time-to-time
  • Remote
  • Senior

Customer-facing technical role supporting sales of post-quantum cryptography software and hardware into large manufacturers, enterprises and semiconductor/security accounts. Involves requirements discovery, demos, statements of work and Q&A documentation, working closely with Sales, Engineering and Management. Open to experienced sales engineers or embedded/hardware engineers moving into sales, with 10-20% travel.

Jira · GitHub · HubSpot +1

Last month

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

Infleqtion · 51–200 people · Public

Quantum Software Engineer - Algorithms & Applications

  • 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

Yesterday

Universal Quantum · 51–200 people · Series A

Quantum Operator

  • Haywards Heath
  • On-site
  • Permanent

Operate, monitor and maintain ion-trap quantum computing hardware and experimental systems, running calibration, optimisation and characterisation of quantum hardware and control systems. Work closely with physicists and engineering teams to integrate and test new hardware, collecting and analysing experimental data to support performance and troubleshooting.

3 months ago

University of Strathclyde

Quantum Specialist (KTP Associate)

  • Glasgow
  • On-site
  • £47,389 – £58,225 pa
  • Contract

Lead the commercial development of a compact cold-atom clock physics package, translating university research into a viable product. The role is based at CPI-TMD in Hayes after an initial 8-12 month placement at the University of Strathclyde, working with academic researchers and industrial engineers.

Cold-Atom Clock · Microwave Amplifiers · Power Systems

2 weeks ago

Get new Quantum Cryptography roles by email. One email a morning when new roles match. Stop any time.

Universal Quantum · 51–200 people · Series A

Quantum Microchip Designer (Ion Traps)

  • Haywards Heath
  • Hybrid
  • Mid-level
  • Permanent

Design and develop next-generation microfabricated Paul traps for scalable quantum computers, working with users to determine suitable layouts and acting as technical liaison with ion trap manufacturers. Perform electromagnetic and thermo-mechanical analysis and simulation, and collaborate with package designers on assembly procedures. The role also involves documenting designs and simulations.

Paul Traps

Visa sponsorship 5 months ago

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
IonQ logo

IonQ · 501–1000 people · Public

Senior Quantum Sales Director - DaaS & Satellite Sales, EMEA

  • Oxford
  • Remote
  • Director

Owns an annual new business and expansion quota selling Capella Data as a Service subscriptions, SAR imagery and analytics, tasking capacity and complete satellite systems to enterprise, defence and civil government accounts across EMEA. Runs long-cycle capital programmes alongside faster data subscriptions, responding to RFIs, RFPs and government tenders and forecasting in CRM.

CRM · AWS

SC clearance 6 days 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

Clearance required 3 weeks ago
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
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

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++

2 days ago

UCL

Research Fellow in Quantum Information and Spacetime (x2 posts)

  • London
  • £44,861 – £55,099 pa
  • Entry level
  • Contract

Two postdoctoral research positions at a new institute probing the interface of quantum information theory and gravity, using quantum technologies to investigate the quantum nature of spacetime. The roles sit within a collaborative environment spanning physics, mathematics, computer science and philosophy, working with several theory and experimental groups.

2 days ago

UCL

Research Fellow in Quantum Simulation and Tensor Networks

  • London
  • £44,861 – £55,099 pa
  • Entry level
  • Contract

Postdoctoral role developing and applying tensor network methods to quantum and classical systems, deploying them on both classical and quantum hardware. Based in Prof Andrew Green's group at the London Centre for Nano and Quantum, with collaboration across UK institutions and international partners, plus research secondments. Fixed-term for two years.

3 days 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

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