105 jobs for “quantum algorithm specialist”
PsiQuantum Warrington £64,000 – £76,500 pa
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.
PsiQuantum Warrington
Develops scalable fibre-to-chip alignment schemes and opto-electronic packaging workflows for chip-based photonic integrated circuits at the UK R&D facility in Daresbury. Involves prototyping packaging flows, reviewing BOMs, sourcing materials with supply chain and external vendors, and transferring designs to manufacturing partners.
Universal Quantum Haywards Heath
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.
Universal Quantum Haywards Heath
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.
Rigetti Berkeley, United States US$160,000 – US$190,000 pa
Owns end-to-end delivery of complex quantum systems programs, building roadmaps, milestones and integration schedules across device fabrication, cryogenics, control hardware and software teams. Tracks readiness across hardware, firmware and software layers, manages cross-team dependencies and risks, and establishes scalable program management practices for research-driven deep-tech R&D.
Infleqtion Kidlington
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.
Infleqtion Kidlington
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.
Rigetti Berkeley, United States US$165,000 – US$190,000 pa
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.
IonQ Oxford
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.
IonQ Oxford
This role involves leading the validation and characterisation of analogue and mixed-signal ASICs for trapped-ion quantum processors. Responsibilities include developing validation strategies, building reusable hardware and software, and conducting cryogenic measurements to ensure silicon acceptance.
Anonymous London
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.
Anonymous London
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.
Quantinuum London US$179,000 – US$241,000 pa
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.
PQShield Remote (within the USA); Ideally Austin or California. Some travel to our offices will be required from time-to-time
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.
PQShield Ideally Tokyo, Japan; Some travel to our offices will be required from time-to-time
Lead sales strategy and execution for a post-quantum cybersecurity company in Japan, targeting enterprise clients in semiconductor, telecom, automotive, and security sectors. Drive market expansion by building relationships with key stakeholders and closing high-value technical IP deals. Collaborate with field application engineers and global teams to align product development with customer needs.
