Lead Quantum RF Systems Engineer

Infleqtion; Kidlington; On-site; GBP 110,000 - 170,000; Full time

Benefits offered by this job

Competitive salary

Bonus program

Incentive Stock Option Plan

Generous pension 10%

Unlimited PTO

BUPA healthcare

Life assurance

Cycle to work

Technology scheme

Job summary

Infleqtion seeks a Lead Engineer to accelerate product development for our quantum RF systems in the UK. The role owns engineering delivery across the full product lifecycle, translating R&D into robust, integrated systems.

You will manage architecture, coordinate hardware, software, and optical teams, ensure design controls and documentation, and drive readiness for deployment or productisation. A master’s degree and 10+ years in technical leadership in quantum or deep-tech are preferred.

Qualifications

• Master’s degree in engineering, physics or similar STEM field(s), or equivalent vocational qualification(s).
• 10+ years of experience in a technical leadership role such as a product owner, design authority, or technical programme manager particularly in quantum technology, advanced hardware, computing, defence, or deep-tech sectors.
• Experience working with complex, advanced technology systems combining mechanical, electrical, RF, optical, and software components.
• Experience working with cross-functional teams (engineering, science, product, and commercial stakeholders)
• Exceptional communication and technical documentation skills
• Excellent problem-solving and analytical skills

Responsibilities

• Own the portfolio engineering architecture, system design approach, and engineering execution plan.
• Translate scientific and programme requirements into engineering requirements, design decisions, and verification plans.
• Lead engineering trade-offs across performance, reliability, manufacturability, cost, schedule, and risk.
• Manage engineering domain leads assigned to the portfolio, coordinating hardware, software, mechanical, electrical, optical, systems, and verification activities as required.
• Ensure engineering work follows appropriate design controls, documentation standards, configuration management, and review processes.
• Drive integration, test, verification, validation, and readiness for deployment or productisation.
• Work closely with the physics leads to ensure the system design preserves the required scientific performance.
• Work with project management to ensure engineering plans, dependencies, and risks are captured and actively managed.
• Support the Portfolio Lead in technical roadmap development, proposal development, supplier engagement, and customer discussions.
• Ensure the portfolio is progressing through the full product lifecycle, from research prototype to engineered system.

Skills

Technical leadership

Cross-functional teams

Excellent communication

Analytical skills

Education

Master's degree in engineering/physics

Tools

UML

SysML

IEEE 15288

INCOSE

Job description

Infleqtion seeks a Lead Engineer to accelerate product development for our quantum RF systems in the UK. The role owns engineering delivery across the full product lifecycle, translating R&D into robust, integrated systems.

You will manage architecture, coordinate hardware, software, and optical teams, ensure design controls and documentation, and drive readiness for deployment or productisation. A master’s degree and 10+ years in technical leadership in quantum or deep-tech are preferred.