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Portfolio Technical Lead - Quantum RF



This job is no longer accepting applications

See open jobs at Infleqtion.
Oxford, UK
Posted on Sunday, December 3, 2023
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 Quantum Portfolio Lead - Quantum RF role.


This position is a full-time, hybrid position which will be located in our Oxford, England office.

Job Summary

Infleqtion UK is looking for an experienced experimental physicist with a PhD in atomic, molecular, and optical (AMO) physics and a passion for bringing quantum technologies outside the laboratory and into the real world. This role is responsible for leading technical teams to deliver and drive the development of field-deployable Rydberg atom radiofrequency sensors.

Job Responsibilities

The duties and responsibilities outlined below include essential functions of the role. Depending on business needs, this role may perform a combination of some or all of the following duties. Duties, responsibilities, and activities may change, or new ones may be assigned at any time with or without notice.

Primary Responsibilities Include, But Are Not Limited To,

  • Lead a technical portfolio of projects to advance field deployable quantum RF receivers.
  • Identify and execute internal research and development efforts.
  • Managing technical personnel who are assigned to your technical area.
  • Road-mapping of technical capabilities into business and product objectives.
  • Determine, with other Infleqtion strategic leaders, what technologies and prototypes are transitioned from R&D into the product development lifecycle.
  • Represent the company and project’s interests to external stakeholders, setting examples for the company’s performance, and identifying opportunities for expanding the company’s influence.
  • Assemble, brief, and deliver technical status, milestone reports, and design reviews to both internal and external stakeholders.


  • PhD in experimental atomic, molecular, and optical (AMO) physics.
  • Postdoctoral experience in AMO Physics.
  • Experimental expertise with Rydberg atom physics.
  • Experience with proposal, experimentation, design, development, and transition of technically complex solutions and/or products
  • Experience working with laser systems; optical design, alignment, and control
  • Proven track record of integrating complex hardware and software into systems
  • Working knowledge of control systems and signal processing
  • Proficiency in a programming language (e.g. Python)
  • Demonstrated ability to effectively influence and drive project team members and stakeholders
  • Ability to work and communicate with all levels of an organization; professional-level communication skills, including verbal, written, and presentation skills
  • Ability to work comfortably in a highly collaborative, cross-functional, team-oriented, and matrixed environment

Desirable Skills And Knowledge

  • RF sensing with Rydberg atoms
  • RF and microwave electronics
  • Advanced signal processing techniques
  • 3D CAD packages (e.g. Solidworks) and circuit design software (e.g. Altium)
  • Electronic circuit design


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

  • Competitive salary
  • Unlimited PTO
  • Generous company pension contribution
  • Cycle to work and Technology schemes
  • Incentive Stock Option Plan

This job is no longer accepting applications

See open jobs at Infleqtion.