Infleqtion
Sr Test Engineer
Louisville, CO, USA
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.
Comfortable working in Linux environments with command-line tools for scripting and automation.
Collaborate with a cross-functional team to support product development from prototype to production
Experience with Git and modern software development workflows.
Strong analytical and problem-solving skills, with experience in root cause analysis and debugging embedded systems.
PREFERRED QUALIFICATIONS
Master’s degree in electrical engineering, Computer Engineering, Physics, or a related field.
10+ years of experience in hardware test and validation.
Experience with firmware integration, embedded system validation, and debugging.
Experience with environmental reliability testing and compliance validation.
Knowledge of regulatory compliance standards relevant to test and validation processes.
Prior experience working with atomic, optical, or quantum technologies.
Ability to travel to support remote test integration and commissioning as required.
WE HIGHLY VALUE:
Great verbal and written communication skills to effectively share information with technical and non-technical staff
Strong engagement and collaboration skills with constant drive for success, ownership and pride in your work
Sense of urgency and responsibility and a true passion for attention to detail where it matters
Open communication style and extremely positive attitude which shows through consistent daily habits
Demonstrated problem solving skills and fast learning rate
Capability of working with both a high degree of autonomy (taking high level goal as an input to discover and execute an optimal plan, gathering required resources to achieve the goal) and collaboratively (soliciting and incorporating input from colleagues as necessary)
Benefits
The targeted salary range for this role is $106,000 to $141,000 on an annualized basis
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
Equal Opportunity
Here you have freedom to embrace your whole self: who you love, your gender identity and expression, skin color, age, appearance, disability, neurodiversity, DNA, military/veteran status, citizenship, and other factors that make up who you are. Your uniqueness is valued, welcomed, and appreciated here. We are dedicated to providing a positive workplace and base all employment decisions on your qualifications, performance, merits, as well as business needs. We are proud to be an Equal Employment Opportunity Employer.
$106,000-141,000
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