Jobs in the United States

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Added 30 mins ago
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Software Engineer
Actalent
North Reading, MA
- $55 to $65 USD / hour
Job Title: Systems Software Engineer Robotics North Reading, MAOverviewWe are seeking a Systems Software Engineer to build the software foundation behind next-generation robotic vision test…
Added 1 hour ago
Senior Electrical Engineer
Halo
Cambridge, MA
- Build rigorous test and validation processes, using experiments and data to evaluate performance, reliability, and design tradeoffs.
Added 1 hour ago
Hardware Data Engineer - Meta Robotics Studio
Meta
Redmond, WA
…Robotics Studio is seeking a skilled and experienced Prototype Test Engineer to join our team. This Prototype Test Engineer will work closely with the product design team, focusing on unit…
Added 2 hours ago
RF Engineer, Amazon Leo Government, Amazon Leo Government
Amazon
Northridge, CA
The RF/Microwave Engineer will focus on the design of the various RF and Microwave circuit blocks in the range of Ka, L, and S bands. They will be expected to lead a variety of tasks, from…
Added 2 hours ago
Sr. Software Engineer, Customer Success
NetApp
San Jose, CA
As a software engineer for DataPelago data processing customer success, you will develop workload assets and automation tools for product validation and product support which will help…
Added 2 hours ago
QA Test Engineer
EPAM Systems
Los Angeles, CA
We are seeking an experienced QA Test Engineer to support manual functional testing and quality assurance efforts for our Bluetooth audio product line.
Added 3 hours ago
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Senior Systems Test Engineer
AeroVect
Remote, United States
- $130,000 to $160,000 USD / year
We are seeking a detail-oriented Systems Test Engineer with a passion for autonomy and safety-critical systems to help lead the planning, execution, and analysis of structured testing…
Added 3 hours ago
Staff Software Engineer, Embedded Systems/Firmware, AI2 Platforms Hardware Health
Google
Sunnyvale, CA
5 years of experience working with embedded operating systems.
Added 6 hours ago
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Sr Test Engineer (Time and Frequency)
Infleqtion
Louisville, CO
- $106,000 to $141,000 USD / year
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…
Added 7 hours ago
Mechanical Engineer
Sapho Bio
San Carlos, CA
We are looking for a Mechanical Engineer to design, build, and maintain the hardware our lab runs on. You will work directly with our lab and operations teams in San Carlos, turning manual…
Added 8 hours ago
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Senior Systems Testing Engineer
Carrier
Indianapolis, IN
- $79,000 to $158,000 USD / year
The Senior Systems Test Engineer oversees testing the embedded system to ensure it meets both system requirements and customer expectations. The Senior Systems Test Engineer owns the…
Added 8 hours ago
Engineer, Product Development, Systems Engineering
Yazaki International Corporation
Canton, MI
Yazaki is looking for an Engineer, Product Development – Systems Engineering to join the EI Team in Canton, MI. The Systems Engineer independently develops moderately complex automotive…
Added 9 hours ago
Staff Power Electronics Controls Engineer
Trystar Inc
Merrimack, NH
Trystar’s team members are our most important asset. We are looking for a Staff Power Electronics Controls Engineer to own the control strategy, modelling, simulation, and verification that…
Added 9 hours ago
Lead Cybersecurity Test Engineer
Acuity Inc.
Conyers, GA
The Cybersecurity Test Engineer is responsible for supporting product security testing, vulnerability management, compliance coordination, and security validation across software, firmware,…
Added 11 hours ago
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Lead Principal Network Developer - Internet Edge
Oracle
Seattle, WA · Reston, VA · Redwood City, CA · Santa Clara, CA · Nashville, TN
- $126,200 to $264,100 USD / year
Proactively consults on the design and development of the most advanced network systems for large-scale enterprise, data center, or cloud-based environments, driving strategic technological…
Added 12 hours ago
Senior Integration Software Engineer, Arene Applied Engineering
Woven by Toyota
Ann Arbor, MI
We are seeking an experienced, hands-on Integration Software Engineer to design, develop, test, and deliver robust software solutions for complex technical challenges. This role is ideal…
Added 12 hours ago
Sr Software Test Automation Engineer
Intuitive
Sunnyvale, CA
…priorities. The primary focus of the position is on developing test automation using an established test automation framework for formal verification and validation of Ion software. The…
Added 12 hours ago
Software Systems Engineer - Software Test Engineer for High Confidence System Environments, Onsite
Sandia National Laboratories
Albuquerque, NM
Are you interested in joining a high performing and closely collaborative verification, validation, and integration (VV&I) team within the Use Control mission area supporting the nation's…
Added 12 hours ago
Senior/Principal Software Systems Engineer - Software Test Engineer for High Confidence System Environments, Onsite
Sandia National Laboratories
Albuquerque, NM
Are you interested in joining a high performing and closely collaborative verification, validation, and integration (VV&I) team within the Use Control mission area supporting the nation's…
Added 12 hours ago
XS
GNC Software Engineer
Xona Space Systems
Burlingame, CA
- $165,000 to $190,000 USD / year
We are seeking a GNC Software Engineer to join our Guidance, Navigation, and Control (GNC) team. In this role, you will develop, integrate and validate flight software that enables…
Added 13 hours ago
Flight Software Test Engineers (Associate/Experienced/Senior)
The Boeing Company
El Segundo, CA
Executes and oversees execution of manual and automated test cases and scenarios to verify functionality, performance, safety, and scalability of software systems.
Added 13 hours ago
Digital Design Hardware Electrical Engineer II (Onsite)
RTX
United States
Raytheon is seeking a highly motivated Digital Design Hardware Electrical Engineer II to join our hardware engineering team. In this role, you will contribute to the design, development,…
Added 13 hours ago
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Test Engineer
Actalent
South San Francisco, CA
- $60 to $100 USD / hour
We are seeking a Senior Integration & Test Software Engineer to develop, deploy, and support the software systems that power testing across our long-range drone platform. This role will be…
Added 13 hours ago
GN&C Engineer III - Blue Ring
Blue Origin Personnel, LLC
Denver, CO
Experience in verification, validation and test of embedded software and hardware systems for flight critical applications.
Added 13 hours ago
FPGA Electrical Engineer III
Honeybee Robotics, LLC
Los Angeles, CA
Honeybee Robotics' Exploration Systems division is seeking an Electrical Engineer specializing in Field Programmable Gate Arrays (FPGAs). In this role you will be interfacing with…

Infleqtion

Sr Test Engineer (Time and Frequency)

Louisville, CO, United States

$106,000 to $141,000 USD / year

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Job details

Pay: $106,000 to $141,000 USD / year
Experience: 5+ years of relevant industry experience with a focus on hardware validation and system integration testing.
Posting language: English
Posted: Jul 24, 2026

Original job description

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.
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.

Notice to Recruitment Agencies:

Infleqtion does not accept unsolicited resumes from agencies. Infleqtion is not responsible for any fees related to unsolicited resumes.

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)

The targeted salary range for this role is $106,000 to $141,000 on an annualized basis

Comprehensive medical, dental, and vision coverage, including full-spectrum fertility support for growing families.
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.

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More about this job

Skills

Test automation
Linux
Collaboration
Firmware
Design hardware
ICT system integration
Regulatory compliance
Debugging
Python
Git
Software development
Electrical engineering
Computer engineering
C
C++
Rust
Communication skills
Problem solving
Root cause analysis
Embedded systems

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