Sr Test Engineer (Time and Frequency)

Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere” through our ecosystem of devices and platforms.

POSITION SUMMARY

We are seeking a Senior Test Engineer to support the development and validation of an atomic clock product pilot line. This individual will join the New Product Introduction Team and work across hardware, software, and R&D teams to develop and execute test plans, set up and interface with test equipment, and automate pilot line test processes. A strong candidate will have hands-on experience with test automation, scripting, hardware validation, and embedded system testing in a Linux-based environment.

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 the following duties. Duties, responsibilities, and activities may change, or new ones may be assigned at any time with or without notice.

• 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.

Requirements

• Bachelor’s degree in Electrical Engineering, Computer Engineering, or a related field.
• 5+ years of relevant industry experience with a focus on hardware validation and system integration testing.
• Strong programming skills in Python and other scripting languages.
• Familiar with at least one compiled language (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, etc.).
• Ability to process, analyze, and visualize test data to drive design decisions and improvements.