Senior Test Engineer: Atomic Clock Systems & Automation

Infleqtion, Inc.; Louisville (CO); On-site; USD 106,000 - 141,000; Full time

Benefits offered by this job

Medical, Dental, Vision

HSA

Unlimited PTO

401(k) match

Life Insurance

FSA

Paid FMLA, parental leave

Employee Assistance Program

Student Loan Repayment

Job summary

Infleqtion, Inc. is seeking a Senior Test Engineer to support the development and validation of an atomic clock product pilot line.

You will join the New Product Introduction Team and collaborate with hardware, software, and R&D teams to devise test plans, set up test equipment, and automate pilot line test processes. The ideal candidate will have hands-on experience in test automation, Linux-based embedded testing, and strong Python scripting, along with a track record in hardware validation

Qualifications

• Bachelor’s degree in Electrical Engineering, Computer Engineering, or related field.
• 5+ years of relevant industry experience with hardware validation and system integration testing.
• Strong programming skills in Python and other scripting languages.
• Familiar with C/C++/Rust.
• Hands-on experience with optical and electronic test equipment, including oscilloscopes, DMMs, OSAs, and VNAs.
• Strong understanding of communication protocols (USB, I2C, SPI, serial comms).
• Ability to process, analyze, and visualize test data to drive design decisions.
• Comfortable working in Linux environments with command-line tools for scripting and automation.
• Collaborate with a cross-functional team from prototype to production.
• Experience with Git and modern software development workflows.
• Strong analytical and problem-solving skills, with debugging embedded systems.

Responsibilities

• Develop, maintain, and execute test strategies and test plans for atomic clock systems and subsystems.
• Lead End of Line test plan definition for new products and features, in collaboration with firmware, software, and hardware design teams.
• Design and deploy optical and electrical test benches for system integration.
• Perform compliance, robustness, and reliability testing on electronic and optical subsystems.
• Support board bring-up and debugging efforts, providing feedback to design teams.
• Develop and maintain an automated test platform using Python.
• Operate and interface with a range of electrical and optical lab test equipment.
• Process and visualize test data, leveraging scripting and analysis tools to extract meaningful insights.
• Work within Git-based software development workflows to track, version, and collaborate on test software.

Skills

Python

Embedded systems testing

Linux

Test automation

Git workflows

Oscilloscopes

Education

Bachelor’s degree in Electrical Engineering, Computer Engineering, or related field

Master’s degree in Electrical Engineering, Computer Engineering, Physics, or related field

Tools

Git

OSAs

VNAs

Oscilloscopes

Job description

Infleqtion, Inc. is seeking a Senior Test Engineer to support the development and validation of an atomic clock product pilot line.

You will join the New Product Introduction Team and collaborate with hardware, software, and R&D teams to devise test plans, set up test equipment, and automate pilot line test processes. The ideal candidate will have hands-on experience in test automation, Linux-based embedded testing, and strong Python scripting, along with a track record in hardware validation