Senior Test Engineer jobs in Washington – Browse 2,819 openings on RoboApply Jobs

Senior Test Engineer jobs in Washington

Open roles matching “Senior Test Engineer” with location signals for Washington. 2,819 active listings on RoboApply Jobs.

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Bluestone Logic logoBluestone Logic logo
Senior Test Engineer

Bluestone Logic

Full-time|On-site|Washington, DC, District of Columbia, United States

Join Bluestone Logic as a Senior Test Engineer and contribute your expertise in software and system testing, particularly focused on Department of Defense (DoD) enterprise applications. You will play a pivotal role in supporting the Defense Information Systems Agency (DISA) by leading test strategies, automation, and performance validation for the Spectrum X…

Apr 16, 2025
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Helion Energy, Inc. logoHelion Energy, Inc. logo
Full-time|On-site|Everett, WA

Join Helion’s Mission for Clean EnergyHelion Energy, based in Everett, WA, is pioneering the development of the world’s first fusion power plant, aimed at providing unlimited clean electricity for a sustainable future. Our vision is to create a world where energy is clean, reliable, and affordable for all.Since our inception in 2013, we have successfully raised over $1 billion from esteemed investors including Sam Altman, Mithril, Capricorn Investment Group, SoftBank, and Lightspeed, driving our innovative journey forward. Our latest prototype, Trenta, has achieved remarkable milestones with 10,000 high-power pulses and plasma temperatures reaching 100 million degrees Celsius. Currently, we are advancing with Polaris, our next prototype, which will bring us closer to realizing the first fusion power plant.This is an exciting opportunity to join Helion during a transformative period. You will confront significant challenges alongside a team that values urgency, rigor, accountability, and a commitment to transparency—attributes essential for achieving groundbreaking advancements in energy solutions. Together, we can shape the future of energy, because the world cannot afford to wait.Your Role as a Test Engineer:As a Senior Test Engineer, you will play a crucial role in designing, building, and maintaining electrical test systems that validate PCBAs, power electronics, and high-voltage assemblies integral to our fusion generators. You will collaborate closely with design engineers and technicians to ensure that our test infrastructure is robust, repeatable, and safe for hands-on execution.Your contributions will directly facilitate faster hardware iterations, enhance first-pass yield, and ensure the dependable delivery of mission-critical electrical systems that underpin Helion’s fusion generators and pulsed-power architecture. This position is hands-on, lab-based, and will report directly to the Production Manager.Your Responsibilities Include:Design and implement electrical test systems for PCBA and high-voltage assemblies, encompassing test rack architecture, fixture design, instrumentation selection, and automation support.Develop test fixture PCBAs for use in test racks, managing schematic capture, layout, review, and bring-up for functional validation of production hardware.Construct, wire, debug, and maintain complete test racks and fixtures, ensuring power distribution, safety interlocks, signal routing, and data acquisition integration are effective.Enhance data acquisition and control tools to streamline testing processes.

Dec 19, 2025
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Prosidian Consulting logoProsidian Consulting logo
Full-time|On-site|Tumwater

Join our dynamic team at Prosidian Consulting as a Senior Software Test Engineer, where you will play a pivotal role in ensuring the quality and performance of our software solutions. As a key player, you will design, implement, and execute comprehensive test plans, identify defects, and collaborate with developers to enhance product quality.In this position, you will leverage your expertise in software testing methodologies and tools to drive continuous improvement and contribute to the overall success of our projects.

Aug 15, 2019
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usm2 logousm2 logo
Contract|On-site|Seattle

We are seeking a highly skilled Senior Performance Engineer in Test to join our dynamic team at usm2 in Seattle. In this pivotal role, you will focus on enhancing our testing frameworks and performance validation processes to ensure our software systems operate at peak efficiency.The ideal candidate will possess a deep understanding of performance engineering principles, be proficient in various testing tools, and have experience with performance testing methodologies. You will work closely with cross-functional teams to identify performance bottlenecks and implement solutions that enhance system scalability and reliability.

Jun 1, 2016
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IonQ logoIonQ logo
Full-time|$111.4K/yr - $145.9K/yr|On-site|Bothell, Washington, United States

IonQ is at the forefront of the quantum computing revolution, creating the most advanced full-stack quantum computer utilizing trapped-ion technology. Our mission is to transcend the boundaries of classical physics and current supercomputing capabilities, ushering in a transformative era in computing. With the potential to revolutionize fields such as healthcare, materials science, finance, artificial intelligence, machine learning, and cryptography, IonQ is poised to make a significant positive impact on society.As part of our growing Production Engineering Test Team, we are seeking a Senior Electrical Systems Integration and Test Engineer. In this pivotal role, you will be responsible for defining and implementing comprehensive testing strategies to support various phases of hardware testing at IonQ. Collaborating with cross-functional teams, you will identify challenges and implement scalable solutions. Your expertise in developing requirements-based test architectures for intricate hardware systems, including design for test and manufacturing, will be crucial. Travel may be required for customer deployments.

Mar 2, 2026
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Nintendo of America Inc. logoNintendo of America Inc. logo
Full-time|$140.9K/yr - $253.6K/yr|On-site|Redmond, WA

Join Nintendo of America Inc. as a Senior Software Engineer!At Nintendo, we have been dedicated to creating smiles through unique entertainment experiences for over 30 years. Our mission is to bring joy through our beloved franchises such as Mario™, Donkey Kong™, and The Legend of Zelda™ across the Americas. Based in Redmond, Washington, we are proud to serve as the headquarters for Nintendo’s operations in the Americas. We foster a welcoming and inclusive environment, and we are committed to providing outstanding products and experiences to our diverse consumers and communities. For more information about our innovative products, visit our website.Team Overview: This position is within the IT: Consumer Online & Publishing department, part of the Consumer Online Modernization team. You will play a critical role in supporting various web-based technical applications that drive key business initiatives, including the external My Support Dashboard and other internal development tools. Your expertise will be essential in both application and test development.Key Responsibilities:Implement, test, and deploy complex systems while ensuring exceptional quality, security, and performance.Lead and participate in design reviews to determine the best technical solutions using available technologies.Mentor junior team members, providing constructive feedback and ensuring adherence to best practices.Take ownership of resolving product or system issues that affect critical business functions.Design, develop, and maintain comprehensive automated test frameworks and strategies across unit, integration, and end-to-end testing.Create and present clear, actionable test reports and metrics to promote transparency and aid in quality decisions.

Mar 20, 2026
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Shield AI logoShield AI logo
Full-time|On-site|Washington, DC

Job Overview:Join our dynamic team at Shield AI as a Senior Engineer focusing on Systems Test, where your expertise in simulation-driven testing and software quality assurance will play a crucial role in advancing our groundbreaking Hivemind autonomy technology. You will be responsible for creating and implementing robust testing frameworks and methodologies, ensuring our systems deliver reliable performance across both simulated and real mission scenarios.As a rapidly growing company, we value adaptability, a growth mindset, and a passion for learning new technologies. Be a part of our mission-driven culture where your contributions will help shape the future of intelligent systems designed to protect service members and civilians alike.

Jan 31, 2026
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Stoke Space Technologies logoStoke Space Technologies logo
Mid-Senior Test Engineer

Stoke Space Technologies

Full-time|$109.7K/yr - $193.6K/yr|On-site|Moses Lake, Washington

About Stoke Space Technologies Stoke Space Technologies is building Nova, a fully reusable launch vehicle designed for daily operations. The team’s goal: make space transportation more reliable, frequent, and affordable. By lowering costs and increasing launch cadence, Stoke aims to help scale the space industry and support a sustainable future on Earth. Role Overview The Mid-Senior Test Engineer will join the Moses Lake, Washington team to help develop reusable systems that connect Earth and space. This role works closely with engineers and technicians to design, build, operate, and maintain test stands for rocket hardware. Expect hands-on involvement with both hardware and software, including mechanical and electrical systems. Testing covers rocket components, engines, and full stage vehicles. What You Will Do Work with colleagues to rapidly design and construct test stands Operate and maintain test systems once they are up and running Engage with a mix of hardware and software, mechanical and electrical systems Conduct tests on rocket components, engines, and stage vehicles Adapt quickly to changing requirements and priorities Maintain focus and self-direction in a fast-moving environment Location This position is based at the Moses Lake Test Site in Washington.

Apr 16, 2026
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BRINC logoBRINC logo
Full-time|On-site|Seattle, WA

About BRINC:At BRINC, we are pioneers in enhancing public safety with our innovative ecosystem of life-saving technologies. Our journey began with the creation of drones and ruggedized throw phones, developed to navigate hazardous environments and establish vital communication for conflict de-escalation. Today, we have evolved into providing comprehensive 911 response networks, deploying drones to 911 emergencies to deliver real-time visual data, thereby improving safety and enabling focused de-escalation responses. Our state-of-the-art solutions are employed by over 600 public safety agencies across the United States, and we have successfully raised over $150M from renowned investors, including Index Ventures, Motorola Solutions, Sam Altman, Dylan Field, Mike Volpe, and Alexandr Wang. At BRINC, we are dedicated to assembling the finest talent to join us in our mission of supporting first responders in saving lives.About this Role:We are on the lookout for a Senior Electrical Test Engineer who will lead the design and development of test systems to validate the performance, reliability, and safety of our drones and public safety products. In this pivotal role, you will create both automated and manual test setups, troubleshoot hardware challenges, and ensure our offerings adhere to stringent quality standards. You will also develop test scripts and contribute to the evolution of our software testing infrastructure. Collaboration with hardware, firmware, and software teams will be essential as you develop test protocols and enhance product designs based on testing outcomes.

Feb 17, 2026
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SGS North America Inc. logoSGS North America Inc. logo
Field Test Engineer

SGS North America Inc.

Full-time|On-site|Bellevue

Join our dynamic team as a Field Test Engineer at SGS, where you will play a vital role in ensuring the integrity and quality of our inspection and testing services. You will conduct field tests, analyze data, and collaborate with various departments to uphold our high standards of excellence.

Feb 6, 2026
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usm2 logousm2 logo
Full-time|On-site|Washington

We are seeking a highly skilled Senior Test Analyst to join our dynamic team. In this role, you will be responsible for designing, implementing, and executing comprehensive test strategies to ensure the highest quality of our software products. Your expertise will help us identify and resolve defects efficiently while collaborating closely with development teams to enhance our overall testing processes.

Sep 13, 2016
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usm2 logousm2 logo
Full-time|On-site|Seattle

Join usm2 as a Test Engineer where you will play a vital role in ensuring the quality and reliability of our products. You will collaborate with cross-functional teams to design and execute test plans, troubleshoot issues, and enhance our testing frameworks. If you are passionate about technology and quality assurance, we would love to hear from you!

Oct 13, 2016
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Axon Enterprise, Inc. logoAxon Enterprise, Inc. logo
Full-time|$141K/yr - $225.6K/yr|Hybrid|Seattle, Washington, United States

Be a Force for Good with Axon.At Axon, our mission is to protect life. We tackle society's most pressing safety and justice challenges through our innovative ecosystem of devices and cloud software. We believe in the power of collaboration, connecting with openness and empathy, and valuing diverse perspectives from our customers, communities, and each other.Working at Axon is dynamic, rewarding, and impactful. Here, you will take charge and create meaningful change, continually growing as you contribute to a mission that truly matters in a company that values you.Your ImpactThe Axon VR team is dedicated to crafting immersive training experiences aimed at helping officers cultivate empathy, enhance decision-making under stress, and foster community engagement. As a Senior Software Engineer specializing in test automation, you will be pivotal in ensuring the quality, stability, and performance of our VR training products, which encompass Unity-based applications, backend services, and interconnected web platforms. This position is perfect for a technically adept engineer who is enthusiastic about quality, developer productivity, and facilitating regular and dependable releases through scalable automation and CI/CD frameworks.What You’ll DoLocation: This position is based out of our Seattle, WA office and follows a hybrid work schedule. Team members are expected to collaborate in person from Tuesday to Friday, with the option to work remotely on Mondays, unless a workplace accommodation is approved. We believe that connection inspires innovation, and our in-office culture is designed to promote meaningful teamwork, mentorship, and shared success.Reports to: Senior QA ManagerDesign and implement test automation frameworks and tools for Unity VR applications, backend APIs, and connected web components.Develop and sustain CI/CD pipelines to support continuous testing and deployment across the VR ecosystem.Collaborate with QA, software engineering, and product teams to enhance product quality.

Mar 27, 2026
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Comtech LLC logoComtech LLC logo
Contract|On-site|Seattle

Join Our Team as a Software Development Engineer in Test (SDET)Are you passionate about ensuring high-quality software solutions? We are looking for a skilled SDET to be an integral part of our automation infrastructure teams that support our Digital API initiatives. Key Responsibilities:- Test the implementation of API Gateways and various application infrastructures.- Collaborate with internal developers and external partners to troubleshoot and debug applications.- Develop comprehensive test plans and test cases to validate API Gateway functionalities.Qualifications:- 4-6 years of experience in infrastructure testing, particularly with API gateways.- Proficient in C# and experienced in diagnosing failures in C# tests.- Familiarity with API Gateway products such as Mashery, Apigee, or NGinX is highly desirable.If you are ready to take on challenging projects in a supportive environment, we encourage you to apply!

Aug 1, 2017
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Comtech LLC logoComtech LLC logo
Contract|On-site|Seattle

Join our dynamic team as a Test Engineer, where you will utilize your extensive knowledge of Java and JavaScript to ensure the quality of our web and mobile applications. This role, located in Seattle, WA, requires a hands-on approach to both automated and manual testing in hybrid and native environments.In-Person Interview Required for W2 CandidatesKey Responsibilities include:Implementing test automation strategies using frameworks such as AngularJS, Node.js, and various JavaScript testing tools (including CasperJS, Protractor, Nightwatch.js, TestCafe, CodeceptJS, and Appium).Building automated testing solutions within a continuous integration environment.Creating and reporting on KPI metrics.Collaborating with cross-functional teams to explore and implement best practices in test automation.Leading the development and execution of test cases.Ideal candidates will possess:Strong problem-solving abilities and a proactive attitude.Excellent interpersonal and communication skills.Familiarity with various database technologies.Experience with tools such as Jira, Jenkins, GitHub, and TestRail.A solid understanding of the Software Development Life Cycle (SDLC), particularly in Agile/SCRUM methodologies.Prepare for a coding challenge during the interview process.

Jun 9, 2017
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Wabtec Corporation logoWabtec Corporation logo
Full-time|On-site|Washington

Wabtec Corporation is seeking an Engineering Technical Leader to join the Test Engineering team in Washington. This position centers on guiding test engineering projects from start to finish, ensuring every product meets strict quality standards. Role overview The Engineering Technical Leader will oversee the design and implementation of test plans. This includes managing project timelines, collaborating with engineers, and providing technical direction throughout the testing process. Key responsibilities Lead and coordinate test engineering projects Oversee the creation and execution of detailed test plans Maintain high product quality by enforcing rigorous testing standards Develop and refine testing strategies to support new technologies Guide and mentor team members on technical challenges Requirements Experience leading engineering or test-focused projects Strong background in designing and executing test plans Commitment to product quality and continuous improvement Ability to develop and implement innovative testing approaches

Apr 28, 2026
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Space Exploration Technologies Corp. logoSpace Exploration Technologies Corp. logo
Integration & Test Engineer for Starlink

Space Exploration Technologies Corp.

Full-time|$100K/yr - $135K/yr|On-site|Redmond, WA

SpaceX was founded on the vision of a future where humanity explores the stars, a future that is infinitely more thrilling than one without such aspirations. Today, SpaceX is at the forefront of developing groundbreaking technologies aimed at making interplanetary life a reality, with the ultimate ambition of establishing human presence on Mars.INTEGRATION & TEST ENGINEER (STARLINK)As an Integration and Test Engineer, you will delve deep into the intricate systems of our satellites. It is essential for engineers in this role to possess a comprehensive understanding of design, schematics, operations, manufacturing, testing, and flight. A successful candidate will exhibit strong engineering intuition, critical thinking skills, and the ability to thrive in ambiguity with minimal supervision. Your expertise will be critical as the team encounters challenges across various work centers within the organization, frequently engaging in new inter-departmental development projects. The primary mission of the Integration and Test team is to guarantee that our satellites successfully fulfill their intended missions.

Apr 30, 2026
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usm2 logousm2 logo
Full-time|On-site|Washington

We are seeking a skilled Test Engineer to join our dynamic team at usm2 in Washington, DC. The ideal candidate will have a strong background in software testing and a passion for quality assurance.Your responsibilities will include designing and implementing test plans, executing test cases, and collaborating with development teams to ensure software quality. This is an excellent opportunity for someone looking to take their career to the next level in a supportive and innovative environment.

Oct 27, 2016
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Comtech LLC logoComtech LLC logo
Contract|On-site|Seattle

Join our dynamic team as a Software Development Engineer in Test (SDET), where you will play a critical role in enhancing our application infrastructure through rigorous testing of API Gateways and related services. You will collaborate closely with developers to ensure the seamless implementation and functionality of our API solutions.Utilize your expertise in API Gateway technologies, such as Mashery, Apigee, or NGinX, to validate our systems.Leverage your C# programming skills to execute tests and troubleshoot failures effectively.Contribute to the creation of test plans and test cases that ensure comprehensive coverage of our infrastructure.Bring your 4-6 years of experience in infrastructure testing to support our Digital API team.Work within a collaborative team of 6-7 members, including 2 testers, to improve our testing processes and outcomes.

Jun 19, 2017
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Comtech LLC logoComtech LLC logo
Contract|On-site|Seattle

Join Our Team as a Senior iOS Software Development Engineer in Test!We are seeking a talented and motivated Senior iOS SDET to join our dynamic team in Seattle. This role requires an in-person interview, so local candidates are preferred.Key Responsibilities:Design and implement mobile UI automation for iOS applications using XCUITest and Swift.Create API test automation and develop tools utilizing Java and Groovy.Qualifications:Proficient in an object-oriented programming language such as C++, Java, Swift, etc.Familiarity with Swift programming or a strong willingness to learn.Meticulous attention to detail in programming, test design, and execution.Experience with version control systems like Git.Strong analytical and problem-solving skills.Excellent organizational and planning capabilities.Willingness to adapt and learn new programming languages and technologies as needed.

Jun 16, 2017

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