Quantum Mixed-Signal Electronics Engineer — Hybrid Role

Infleqtion UK; Oxford; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Competitive salary

Unlimited PTO

Pension plan

Cycle to work

Tech schemes

Job summary

Infleqtion UK in Oxford is seeking a Mixed Signal Electronics Engineer to join a multi-disciplinary team bringing quantum technologies from lab to real-world applications. You will design, verify and implement electronic systems across DC to RF, with emphasis on digital, mixed-signal and analogue domains.

The role requires several years of relevant experience, PCB/Altium proficiency, risk and test planning, and collaboration with hardware, optical and software teams in a hybrid Oxford-based

Qualifications

• Bachelor's degree or substantial experience in electrical/electrical and computer engineering, electro-optical RF, or embedded systems.
• Strong understanding of electronics theory and design techniques.
• Several years of relevant experience in a similar role.
• Experience with RF development lifecycle from concept to deployment.
• Experience with PCB design for mixed-signal applications.
• Experience with PCB design software (e.g., Altium).
• Experience with modelling and simulation tools (SPICE, HFSS).
• Experience with testing, verification, and validation.
• Experience using test and measurement equipment (network analyzer, spectrum analyzer).
• Ability to work in cross-functional teams.

Responsibilities

• Translate product requirements into end-to-end signal chain architecture.
• Model, simulate, and calculate to meet performance.
• Design digital and mixed-signal circuits and signal processing using DAC/ADC, FPGAs.
• PCB design/layout for integration.
• RF shielding, cabling, and routing for isolation.
• Generate files for PCB manufacture.
• Design and execute test plans.
• Engage with key suppliers.
• Support risk management and reliability analysis.

Skills

Electrical Eng

RF development

Mixed-signal design

PCB design

FPGA design

Signal processing

Testing & validation

Education

Bachelor's degree in EE/ECE

Tools

Altium

SPICE

HFSS

Job description

Infleqtion UK in Oxford is seeking a Mixed Signal Electronics Engineer to join a multi-disciplinary team bringing quantum technologies from lab to real-world applications. You will design, verify and implement electronic systems across DC to RF, with emphasis on digital, mixed-signal and analogue domains.

The role requires several years of relevant experience, PCB/Altium proficiency, risk and test planning, and collaboration with hardware, optical and software teams in a hybrid Oxford-based