Senior Quantum Time & Frequency Scientist

Infleqtion, Inc.; Louisville (CO); On-site; USD 153,000 - 269,000; Full time

Benefits offered by this job

100% company-paid medical, dental, vis

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 Package

Job summary

Infleqtion, Inc. seeks senior researchers in AMO physics to define and lead strategy for time and frequency systems. You will oversee performance characterization, analyze stability and noise, and work with engineering to translate results into implementable system requirements.

Ideal candidates hold a Master’s in AMO/Physics (PhD preferred) and bring 10+ years in research settings. Expect collaboration across teams, mentorship of researchers, and active contribution to IP and publications.

Qualifications

• Define and lead research strategy in time and frequency systems
• Conduct performance characterization, including stability, noise, accuracy, and KPI analyses
• Develop deep understanding of system architecture and identify opportunities for improvement
• Provide architectural and component level recommendations to engineering and advanced systems teams
• Translate experimental results and characterization into product and system requirements; collaborate with systems engineering for sound, achievable requirements

Responsibilities

• Translate experimental results into product and system requirements
• Collaborate with systems engineering to ensure requirements are technically sound and achievable
• Lead analysis of fundamental performance limits and drift mechanisms to inform system behavior, stability, and long-term accuracy
• Drive innovation for next generation timing technologies and product concepts
• Advance understanding of time distribution and dissemination methods and architectures
• Mentor and guide physicists and research staff in experimental methods and analysis
• Support troubleshooting and root cause analysis of complex technical issues
• Contribute to IP development including patents and publications

Skills

Time and frequency systems

Performance analysis

System architecture understanding

Cross-functional collaboration

Education

Master's degree in AMO Physics or Physics

PhD preferred in AMO Physics or Physics

Job description

Infleqtion, Inc. seeks senior researchers in AMO physics to define and lead strategy for time and frequency systems. You will oversee performance characterization, analyze stability and noise, and work with engineering to translate results into implementable system requirements.

Ideal candidates hold a Master’s in AMO/Physics (PhD preferred) and bring 10+ years in research settings. Expect collaboration across teams, mentorship of researchers, and active contribution to IP and publications.