Oxford Quantum Circuits (OQC)

Engineer

• Develop quantum parent methods for detection, prediction and related estimation workloads
• Explore quantum kernels, variational models, estimation, optimisation and sampling
• Design quantum advice and observable-acquisition strategies for downstream shadow-model training
• Analyse circuit cost, sample complexity, measurement requirements, noise robustness and resource requirements
• Evaluate algorithm and circuit portability across quantum hardware, including compilation and hardware constraints
• Design controlled ablation studies to isolate and quantify individual quantum components
• Benchmark theoretical expectations against real-hardware evidence to guide algorithm development and product decisions
• Work at the intersection of quantum algorithm research and applied product development

Quantum Algorithm Engineer – Detection

• Integrate novel hardware and software into experimental systems powering OQC's quantum technology
• Turn new ideas into working prototypes and prove capabilities that can be scaled and deployed
• Turn system requirements into working prototypes that demonstrate new capabilities and reduce technical risk
• Characterise, calibrate and benchmark novel hardware, focusing particularly on readout and reset operations
• Design, develop and run experimental procedures across integrated superconducting systems
• Use cryogenic and microwave measurements, automation and data analysis to understand and improve system performance
• Contribute to technical projects from experimental design and system build through analysis, reporting and recommendations
• Collaborate across quantum control and hardware teams to define requirements, resolve system-level challenges and improve device robustness
• Share technical knowledge across the team and contribute to scientific publications, conferences and collaborative programmes

Associate Quantum Engineer

Controller

• Lead financial-control remediation across order-to-cash, procure-to-pay, payroll, fixed assets, financial close, reporting and finance systems, from root-cause analysis through implementation and testing
• Resolve complex accounting, reconciliation and reporting issues, replacing recurring manual fixes with sustainable processes and controls
• Strengthen month-end, year-end and statutory reporting through improved reconciliations, working papers, review controls and technical accounting analysis
• Design, document and embed scalable financial controls, procedures and accounting policies with clear ownership, evidence and segregation of duties
• Establish finance processes, systems, reporting structures and controls for new overseas entities with internal teams and external professional advisers
• Lead finance systems and process improvements using NetSuite, automation and improved data flows
• Act as a senior technical resource across Finance, challenging existing practices, supporting colleagues and transitioning improved processes into business-as-usual operations
• Report to the Group Financial Controller and operate with significant autonomy across financial accounting, control remediation, finance operations and process improvement

Financial Controller – 6 Month Fixed Term Contract

Technical Product Manager

• Own the roadmap for OQC’s Quantum Model Platform and outcome products, including Detect & Predict and Generate & Validate
• Translate customer problems into small, clearly scoped requirements, with defined acceptance metrics and commercial delivery plans
• Protect the coherence and reusability of the shared platform, ensuring customer-specific requirements do not fragment it into disconnected bespoke projects
• Align product and engineering priorities with commercial activity, partnerships and OQC’s wider company strategy
• Work across product, engineering, commercial and partnerships to keep product direction aligned with customer needs and company strategy
• Narrow broad technical opportunities into deliverable requirements, measurable demonstrations of customer value and evidence-supported product claims
• Engage confidently with APIs, model development, heterogeneous compute and deployment without needing to be the system architect

Senior Technical Product Manager

Research Engineer

• Develop high-performance device drivers in modern C/C++, with Python bindings for higher-level testing and system interfaces
• Build automated test protocols for quantum hardware drivers and embedded software, covering functional, security, timing, latency and performance requirements
• Translate quantum-level goals from scientific teams into firmware requirements, test cases and CI/CD quality gates
• Collaborate with FPGA and Compiler teams to refine system architecture and technical specifications for new low-level capabilities
• Provision and operate hardware-in-the-loop testing environments for new features and existing systems
• Design, review and document embedded software components, turning early-stage ideas into practical architectural design records
• Diagnose and resolve software issues in experimental hardware
• Partner with multidisciplinary engineering teams to accelerate full-stack quantum computer development
• Turn experimental concepts and scientific requirements into robust embedded software for OQC’s quantum computing platform
• Move new capabilities from prototype to production while improving performance, reliability and scalability of the technology stack

Embedded Software Engineer – Innovation Transfer

Financial Planning and Analysis

• Lead and continuously improve day-to-day financial operations
• Own key elements of month-end close across multiple entities and jurisdictions, including journals, accruals, prepayments, balance sheet reconciliations and close-checklist governance
• Lead treasury, cashflow monitoring, bank reconciliations, payroll accounting, employee expenses, credit cards and supplier payment runs
• Prepare VAT and equivalent local tax returns
• Support statutory finance requirements and maintain accurate records for review and submission
• Build and maintain financial controls, segregation of duties, documented procedures, independent review and audit trails
• Support international expansion by establishing scalable finance processes, local compliance arrangements and payroll operations for new countries and entities
• Partner with the Group Financial Controller, FP&A, People and wider business teams
• Provide analysis, resolve finance queries and ensure processes support organisational priorities
• Improve finance systems, processes and controls
• Develop scalable procedures and playbooks
• Mentor and guide the Finance Associate – Accounts Payable Lead

Finance Manager – Operations

Director

• Set the strategy for OQC's quantum processor research, translating company-level ambitions into multi-year technical roadmaps and executable programmes
• Build and lead a multidisciplinary processor team spanning device theory, numerical modelling, hardware co-design and experimental measurement
• Drive multimode superconducting processor concepts from theoretical design through prototyping, characterisation and experimental validation
• Ensure processor architectures are grounded in system requirements
• Connect exploratory research with control hardware, software and product operations
• Lead through technical managers and team leads across multiple specialist disciplines
• Develop outstanding scientists and engineers
• Own planning, budgets and investment priorities across processor research
• Oversee experimental system upgrades and compute/simulation requirements
• Represent OQC as a technical leader within the global quantum community
• Communicate processor milestones to executives, strategic partners and international audiences

Director of Processor

Systems Engineer

• Lead the architecture and end-to-end integration of experimental quantum hardware testbeds, bringing together quantum processors, cryogenics, control electronics, firmware and HPC
• Define technology-transfer pathways that turn emerging, high-TRL components and subsystems into stable, high-throughput experimental platforms
• Translate research objectives into clear system requirements and integration strategies across OQC’s R&D programmes
• Establish system-level verification, bring-up and validation standards for repeatable, high-performance experimental operation
• Build and lead a high-performing technical team, owning recruitment, objectives, performance, coaching and long-term capability development
• Own the Experimental System Integration roadmap and delivery of complex research projects
• Coordinate resources and work across multiple technical teams
• Drive operational excellence by improving tooling, diagnostics, uptime, throughput and repeatability
• Support external technical collaborations
• Report to the VP Research and provide recommendations on priorities, resources and investment

Head of Experimental System Integration

Head of Department

• Lead and grow OQC's Research Software Engineering, Logical Compilation and Systems Integrations teams in Spain
• Set technical direction and shape software and tooling architectures in alignment with OQC's engineering standards and technology strategy
• Partner with Research teams to turn complex scientific challenges into software capabilities that accelerate experimentation and technology discovery
• Lead research software and simulation tooling from early concepts through production use
• Develop integrations between OQC's quantum computing stack, HPC environments, third-party systems and community tools
• Work across Platform Engineering, Compiler Development, Data Management and Research to manage dependencies and prioritise technical outcomes
• Build a high-performing software organisation in Spain, develop technical leaders, shape recruitment and team structures, and represent OQC through external technical and research collaborations
• Report to the Director of Software Engineering