Quantum Computing Jobs

70 jobs

Results

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

Senior Software Engineer, Non-Realtime Controllers

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  • Oxford
  • Hybrid
  • Senior

Owns a group of non-realtime device controllers end to end, from API design and implementation to rollout and operational health, for hardware such as cryogenic compressors, vacuum pumps, lasers and cameras. Controllers are written in Rust on Linux, using gRPC/REST and instrument protocols like SCPI, Modbus, serial and Ethernet, working closely with systems teams and quantum scientists.

Rust · Linux · gRPC +5

Clearance required 2 weeks ago

Universal Quantum · 51–200 people · Series A

Systems Engineer

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  • Haywards Heath
  • Hybrid
  • Permanent

Take technical ownership of systems engineering for complex quantum computing systems, from requirements definition through integration, verification and deployment. Work across electronic, mechanical, cryogenic, vacuum, optical, software and control domains, applying MBSE, traceability and configuration control while driving technical risks and trade-offs to resolution with cross-functional teams.

Last week
Rigetti logo

Rigetti · 51–200 people · Public

Senior Mechanical Engineer

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

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.

SolidWorks · PLM · CAD +1

Last month
Rigetti logo

Rigetti · 51–200 people · Public

Senior Quantum Field Engineer

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  • US or UK Locations
  • Hybrid
  • Senior

Deploys and operates Rigetti quantum systems at customer sites, owning technical work from initial bring-up through sustained cloud operation. Specialises in either systems integration (cryogenic hardware, qubit and fridge characterisation) or gate calibration (1Q/2Q gate performance, automated recalibration, production monitoring). Requires up to 25% international travel and close collaboration with internal R&D teams.

AWS · Azure · Kubernetes +3

4 months ago

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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

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

Infleqtion · 51–200 people · Public

AMO Physicist - Quantum RF

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  • Kidlington
  • Hybrid · 3 days in office
  • Mid-level
  • Permanent

Experimental AMO physicist role focused on translating product requirements into atomic system designs for quantum RF sensor systems. Involves modelling, simulation, testing and integrating opto-mechanical systems, electronics and software into quantum devices, working closely with a multidisciplinary team of physicists and engineers.

2 weeks ago

Infleqtion · 51–200 people · Public

AMO Physicist - Inertial Sensing

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  • Kidlington
  • Hybrid
  • Permanent

Experimental AMO physicist role focused on inertial sensing, contributing to continuous beam atom sensors for navigation and a Bose-Einstein Condensate gravimetry platform. Day to day involves translating product requirements into atomic system designs, modelling and simulation, building and testing opto-mechanical, electronic and software systems, and collaborating with a multidisciplinary team of physicists and engineers.

Bose-Einstein Condensate

Last week

Universal Quantum · 51–200 people · Series A

Software Engineer (Compilers)

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  • Haywards Heath
  • Hybrid
  • Permanent

Develop, integrate and test software that operates quantum computing hardware, including benchmarking, profiling and optimising quantum processes and algorithms. Work within a multidisciplinary team of electronic engineers, physicists and hardware designers, taking ownership of major features in the quantum computing software stack.

10 months ago

PQShield · 51–200 people · Series B

Lead Software Engineer

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  • Remote (within the countries we operate from); UK, France, Netherlands, Spain, or Belgium. Some travel to our offices will be required from time-to-time
  • Remote
  • Lead · manages people

Lead a cryptographic software IP team, owning the full development lifecycle from architecture and planning to testing and customer delivery. Combines hands-on embedded C expertise with line management, hiring, mentoring and cross-team strategy, working on post-quantum cryptography and RISC-V with hardware and vulnerability teams.

GitLab CI · NIST PQC · RISC-V +1

3 weeks 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

KO2 Embedded Recruitment Solutions

Senior Software Engineer - Modern C++ & Linux

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  • Abingdon
  • Hybrid · 3 days in office
  • £65,000 – £75,000 pa
  • Senior

A technical leadership role in an established backend team building Modern C++ (C++17) software on Debian Linux that controls scientific instruments, coordinating pumps, valves, sensors and gauges. You own APIs used by the web GUI and customer scripts, write Python automated tests, run design reviews, and mentor less experienced engineers while working with scientists and product managers.

Debian Linux · WAMP · Modbus +5

Last month

PQShield · 51–200 people · Series B

Technical Product Manager (Software Security & Firmware)

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  • Remote (within the countries we operate within; Some travel to our offices will be required from time-to-time
  • Remote
  • Senior

Owns the product roadmap for software-based security IPs, cryptographic libraries and firmware, defining how security software integrates with hardware IPs and SoC architectures. Acts as domain expert on classical and post-quantum cryptography, hardening products against side-channel, DPA and timing attacks, and authoring PRDs that translate crypto standards into engineering requirements. Works directly with founders and customers in a deep-tech semiconductor context.

RISC-V · Arm · x86 +5

Last month

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

6 days ago

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