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Opto-Mechanical Engineer



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 Opto-Mechanical Engineer.

If you are excited about designing and implementing cutting-edge opto-mechanical systems, thrive in a fast-paced, innovative environment, and enjoy being part of a friendly, enthusiastic team, we encourage you to apply.


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

Key Responsibilities:

  • Mechanical and opto-mechanical design, modeling, testing, and verification, with focus on packaging, thermal management, and vibration isolation
  • Transform product requirements into mechanical architecture and designs
  • Conduct comprehensive modeling and simulation activities to enhance product performance
  • Collaborate in the integration of mechanical systems with electrical, optical, and other subsystems
  • Identify and engage key suppliers, develop bills of materials
  • Design for fabrication, and test prototypes and subsystems
  • Uphold Infleqtion’s Product Lifecycle Process, participate in key reviews and updates
  • Supporting development of risk management plans and risk resolution and supporting reliability analysis and continuous improvement
  • Coaching and mentoring junior engineers


Essential Skills:

  • An Engineering/Physics degree (or equivalent, or extensive experience working in an opto-mechanical role)
  • Experience in hardware product development
  • Proficient in the use of 3D CAD to design mechanical devices and an understanding of design lifecycle management
  • An understanding of laser physics and experience with optical path modeling
  • An in-depth knowledge of optical components and mounting techniques and practical experience in laser alignment
  • A record of accomplishment of developing and integrating precision components into functional devices
  • Proven expertise in conducting FMEAs and adhering to best practice product development processes
  • Knowledge of manufacturing processes, particularly CNC machining, and experience with environmental testing
  • Effective communication skills and the ability to articulate ideas
  • A problem-solving mindset and the agility to adapt to the evolving needs of the business

Other Requirements:

  • Minimum 3 days per week on-site in Oxfordshire office (or as required)

Desirable Skills:

  • Experience with integrated photonics and electro-mechanical integration
  • Experience with safe working practices for lasers and familiarity with the relevant engineering standards
  • Familiarity with SolidWorks and PLM systems like SolidWorks PDM
  • Some familiarity/interest in quantum physics/computing
  • Experience supporting FMEAs and following best practice product development processes
  • Solid understanding of engineering principles and processes, including GD&T
  • Experience of simulation and analysis (FEA, CFD) such as Zemax, ANSYS, COMSOL


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

  • Competitive salary (dependent on experience)
  • Unlimited PTO
  • Generous company pension contribution
  • Cycle to work and Technology schemes
  • Incentive Stock Option Plan
  • Friendly environment and opportunity to work at the cutting edge of genuinely ground-breaking technology