Quantum Systems Integration Engineer – Flexible Work & PTO

Infleqtion UK; Kidlington; Hybrid; GBP 55,000 - 85,000; Full time

Benefits offered by this job

Competitive salary

Unlimited PTO

Company pension 10%

Cycle to work scheme

Tax efficient technology schemes

Incentive Stock Option Plan

Private healthcare (BUPA) after probab

Job summary

Infleqtion is expanding its UK engineering team and recruiting a System Integration Engineer in Kidlington, Oxford. You will develop hardware, software and firmware interfaces to control optical and atomic physics systems for next-gen PNT projects.

Bring-up, troubleshooting, test planning, and cross-team collaboration across electronics, software, FPGA, mechanical and optical disciplines are key aspects. Flexible hybrid work from home up to 2 days a week is supported.

Qualifications

• Bachelor's degree or substantive equivalent in electrical engineering, systems engineering, electronic engineering, physics, mechatronics or related.
• Several years of experience integrating complex multidisciplinary hardware systems.
• Strong understanding of analogue, digital, RF, power, grounding, shielding and signal integrity.

Responsibilities

• Integrate electronics devices, instruments, third-party devices, and subsystems into larger complex systems with RF, analogue, digital, optical, and mechanical elements.
• Translate system-level requirements into integration architectures, interfaces, cabling, power, communications, and control schemes.
• Develop system interconnects including cable assemblies, harnesses, RF connections, grounding, shielding, power distribution, and signal routing.
• Perform system bring-up, commissioning, troubleshooting, fault isolation, and performance optimisation.
• Identify and resolve integration issues including grounding, EMI/EMC, signal integrity, timing, communications, power distribution, and environmental effects.
• Develop and maintain system diagrams, wiring diagrams, interface specifications, and technical documentation.
• Define and execute integration, verification, and validation test plans at subsystem and system level.
• Use lab test equipment to diagnose system-level issues.
• Support installation, deployment, commissioning, and maintenance of systems in lab and field environments.
• Collaborate with electronics, software, FPGA, mechanical, optical, physics, and systems teams for end-to-end integration.
• Support supplier selection and integration of third-party equipment and subsystems.
• Contribute to system risk management and continuous improvement.

Skills

Analogue electronics

Digital electronics

RF engineering

Power distribution

Grounding & shielding

signal integrity

PCB integration

Embedded systems

System bring-up

Troubleshooting

Wiring diagrams

Ethernet/Serial/SPI/I2C/CAN/USB

EMI/EMC

Education

Bachelor's degree or substantive equivalent (Electrical/Systems/Electronic Engineering, Physics, Mechatronics)

Tools

SCPI

Oscilloscopes

Spectrum analysers

Network analysers

Signal generators

Power meters

DMMs

Job description

Infleqtion is expanding its UK engineering team and recruiting a System Integration Engineer in Kidlington, Oxford. You will develop hardware, software and firmware interfaces to control optical and atomic physics systems for next-gen PNT projects.

Bring-up, troubleshooting, test planning, and cross-team collaboration across electronics, software, FPGA, mechanical and optical disciplines are key aspects. Flexible hybrid work from home up to 2 days a week is supported.