Infleqtion

Sr. Opto-Mechanical Engineer - Deployed Quantum Sensors

Infleqtion  •  $150k - $170k/yr  •  Louisville, CO (Onsite)  •  1 month ago
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Job Description

At Infleqtion we solve the world’s most challenging problems using cutting-edge quantum technology. Our mission is to commercialize atom-based quantum products that provide orders of magnitude improvements in sensing and computing applications. We are proud to work tirelessly to create and lead the quantum ecosystem towards meaningful advancements today and set the technology roadmap for tomorrow.

Infleqtion is seeking a highly experienced opto-mechanical engineer; this role is responsible for creating RF/optical systems with robust performance in challenging environments. 

This role requires close collaboration with our customers, multidisciplinary teammates, manufacturing partners, suppliers, and subcontractors. The individual will define requirements, complete designs, and assemble hardware throughout the program lifecycle, ensuring delivery against milestones and commitments while maintaining alignment with Infleqtion’s internal product lifecycle and quality standards. Cross-disciplinary engagement is expected, with this role driving technical alignment across hardware, software, systems, and physics domains. 

JOB RESPONSIBILITIES 

  • Design, assembly, and test compact opto-mechanical systems for rugged environments including shock, vibration, and temperature while maintaining robust system performance.
  • Collaborate effectively with multi-disciplinary team to derive opto-mechanical design requirements.
  • Lead, mentor, and delegate tasks to junior mechanical engineers available to assist you across the entire project execution.
  • Balance Multiphysics design space tradeoffs to converge on optimal systemic solutions.
  • Present your work at both informal team meetings and formal design reviews with customers.
  • Identifying and engaging key suppliers.
  • Create detailed mechanical documentation including part and assembly drawings, BOMs, and assembly procedures.
  • Assemble prototypes and engineering development units to determine optimal techniques, and authoring assembly documentation for scalable production.
  • Develop and implement test plans to ensure system requirements are met.
  • Supporting development of risk management plans, risk resolution, and supporting reliability analysis and continuous improvement.
  • Following Infleqtion’s Product Lifecycle Process and supporting Phase gate reviews, critical design reviews, and executive updates.

Requirements

Required Qualifications:

  • Bachelor’s degree in mechanical engineering or other directly related field.
  • 5+ years of relevant industry experience. A master’s degree or higher can be a substitute for experience.
  • Expert knowledge of SolidWorks and working experience with SolidWorks PDM.
  • An in-depth understanding of the GD&T drawing standards.
  • Excellent proficiency in design first principles.
  • Demonstrated DFx (design for cost, manufacturing, assembly, test, sustainment).
  • Experience designing precision optical and/or mechanical components and assemblies.
  • Experience using FEA to design systems to operate in challenging environments and testing those designs.
  • Hands-on engineer with experience building complex prototypes and EDUs
  • Excellent written and verbal communication and collaboration skills.

An Exceptional Candidate will also have

  • Master’s or PhD degree in mechanical engineering or related field.
  • Experience in delivering new, advanced technologies to commercial markets.
  • Detailed knowledge of opto-mechanical design techniques for precise and stable mounting and alignment of fiber optic and free-space laser systems.
  • Environmental MIL-STD-801 testing experience.
  • RF design material selection, using HFSS and/or RF testing experience.
  • Experience in Zemax or other optical analysis tools.
  • Experience with sheet metal design and rack systems.

TRAVEL

Up to 5% travel may be required.

WORKING CONDITIONS and PHYSICAL REQUIREMENTS

Work will normally be performed in an office environment. Able to efficiently use automated office equipment such as laptops, copiers, and printers; able to effectively engage in communications (via phone, computer, or in-person). Will involve sitting, standing, walking, lifting, and carrying up to 25 pounds.

NOTE:

A brief cover letter is required from all applicants.

This position involves access to information protected under U.S. export control laws and regulations, including the Export Administration Regulations (EAR) and the International Traffic in Arms Regulations (ITAR). Please note that any offer for employment may be conditioned on authorization to receive software or technology controlled under these U.S. export control laws and regulations without sponsorship for an export license.

Benefits

  • Salary range: $150,000 to $170,000
  • 100% company-paid medical, dental, vision, short/long-term disability
  • Employer-funded Health Savings Account
  • Unlimited PTO
  • 401(k) match
  • Company-paid Life and AD&D Insurance
  • Flexible Savings Account
  • Paid FMLA, Maternity/Paternity Leave
  • Employee Assistance Program
  • Student Loan Repayment
  • Equity Program
Infleqtion

About Infleqtion

Infleqtion is a global leader in neutral-atom quantum technology. We design and build quantum computers, precision sensors, and quantum software for governments, enterprises, and research institutions. Our commercial portfolio includes quantum computers as well as quantum RF systems, quantum clocks, and inertial navigation solutions. Infleqtion is the partner of choice for governments and commercial customers seeking cutting-edge quantum capabilities. Infleqtion announced in September 2025 it plans to go public via a merger with Churchill Capital Corp X (NASDAQ: CCCX). For more information, visit Infleqtion.com or follow Infleqtion on LinkedIn, YouTube, and X.

Industry
Hardware & Semiconductors
Company Size
51-200 employees
Headquarters
Louisville, Colorado
Year Founded
2007
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