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Senior Systems Engineer - Electronics & Quantum Physics



Software Engineering
Oxford, UK
Posted on Sunday, January 21, 2024
Infleqtion delivers high-value quantum information precisely where it is needed. By operating at the Edge, our software-configured, quantum-enabled products deliver unmatched levels of precision and power, generating streams of high-value information for commercial organizations, the United States, and allied governments. With 16 years of ColdQuanta's pioneering quantum research as our foundation, our hardware products and AI-powered solutions address critical market needs in PNT, global communication security and efficiency, resilient energy distribution, and accelerated quantum computing. We currently have offices in Austin, TX; Boulder, CO; Chicago, IL; Louisville, CO; Madison, WI; Melbourne, AU; and Oxford, UK. Learn how Infleqtion is revolutionizing how we communicate, navigate, and discover at We are recruiting for a Senior Systems Engineer - Electronics & Quantum Physics.

Infleqtion UK is seeking a talented and experienced Systems Engineer to join our dynamic team, where you will play a pivotal role in transforming hardware prototypes into manufacturable and scalable products. The newly hired engineer will collaborate closely with a diverse team of technical experts, hardware and software engineers, and physicists to ensure the seamless integration of complex systems, and within our product lifecycle process.


This position is a full-time hybrid position and is based in our Oxford, England office.

Key Responsibilities:

Lead product development systems engineering efforts, including:

  • Take ownership of system-level design for cutting-edge quantum physics hardware
  • Capture system level requirements and flow-downs in accordance with product strategies and objectives
  • Development of overall system architecture, (with support from Physicists, and other engineers)
  • Creation of core systems engineering documentation including Product Requirement Documents, System Requirements Documents, subsystem and lower-level requirements specifications, Interface Control Documents, HWCI/SWCI documents, etc
  • Definition and execution of modelling, simulation, and analytical efforts required to successfully enable product design and verification and validation processes and long-term product lifecycle objectives

Lead key systems engineering support to critical test efforts, including:

  • Development of product Assembly, Integration & Test processes and procedures and engineering support to AI&T activities
  • Development of product Verification and Validation test processes and procedures and engineering support to V&V test activities
  • Coordination of traceability from requirements to test processes across the product architecture


  • Bachelor’s or Master’s degree in Systems Engineering, Electrical Engineering, Physics, or a related field is preferred
  • Proven experience in systems engineering, preferably within the quantum physics or high-tech hardware sector
  • Experience in advanced technologies and high technology products, especially products that include a combination of mechanical, electrical, RF, optics, and software
  • Experience with productization and Product Life Cycle processes
  • Excellent technical documentation skills
  • Ability to work collaboratively in a multidisciplinary team environment
  • Strong problem-solving and analytical skills
  • Excellent communication and interpersonal skills
  • Minimum 3 days per week on-site in Oxfordshire office (or as job requires)
  • Possible occasional travel to USA


  • Familiarity with product lifecycle management processes
  • Knowledge of Model-Based Systems Engineering (MBSE) and experience with SysML and MBSE tools (e.g. Cameo)


In addition to your base compensation, we offer a generous Total Rewards program which includes:

  • Excellent salary
  • Unlimited PTO
  • Generous company pension contribution
  • Cycle to work and Technology schemes
  • Incentive Stock Option Plani
  • Friendly environment and opportunity to learn about truly ground-breaking technologies.