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Senior Test Engineer Jobs in Bothell, WA (NOW HIRING)

Fortive

Senior Software Test Engineer

Everett, WA · On-site

$109.70 - $183.20/hr

Fluke is seeking a Senior Software Test Engineer with deep expertise in Wi‑Fi and network systems to lead quality engineering for network test and diagnostic tools. You will ensure products deliver ...

Reliable Robotics

Sr. Radar Test Engineer

Seattle, WA · On-site

$140K - $225K/yr

As a Radar Test Engineer, you will be a part of our Test Engineering team working directly with our radar development program. We enjoy a culture of sharing information and collaboration. Phased ...

Reliable Robotics

Sr. Radar Test Engineer

Seattle, WA · On-site

$140K - $225K/yr

As a Radar Test Engineer, you will be a part of our Test Engineering team working directly with our radar development program. We enjoy a culture of sharing information and collaboration. Phased ...

Fortive

Senior Software Test Engineer

Everett, WA

$122K - $158K/yr

Fluke is seeking a Senior Software Test Engineer with deep expertise in WiFi and network systems to lead quality engineering for network test and diagnostic tools. You will ensure products deliver ...

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Showing results 21-40

All JobsTest Engineer JobsSenior Test Engineer JobsSenior Test Engineer Jobs in Bothell, WA

Senior Test Engineer information

See Bothell, WA salary details

$77.9K

$134.7K

$191.5K

How much do senior test engineer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for senior test engineer in Bothell, WA is $134,722.00, according to ZipRecruiter salary data. Most workers in this role earn between $110,800.00 and $155,200.00 per year, depending on experience, location, and employer.

What is the difference between Senior Test Engineer vs QA Analyst?

AspectSenior Test EngineerQA Analyst
CredentialsBachelor's in Computer Science or related field; experience in testing; certifications like ISTQBBachelor's in IT, Computer Science, or related; testing experience; ISTQB certification often preferred
Work EnvironmentSoftware development teams; involved in test planning, automation, and executionQuality assurance teams; focuses on manual testing, documentation, and process improvement
Industry UsageUsed across software, tech, and IT industries for testing rolesCommon in software development, IT, and tech sectors for quality assurance

While both roles focus on software quality, Senior Test Engineers typically handle more complex testing tasks, automation, and test strategy, whereas QA Analysts often focus on manual testing, documentation, and process adherence. The Senior Test Engineer role usually requires more technical expertise and experience in automation tools.

How does a senior test engineer typically collaborate with development and product teams during the software release cycle?

As a Senior Test Engineer, you will work closely with software developers and product managers throughout the software release cycle. You'll participate in design and requirement reviews to identify potential quality issues early, help define testing strategies, and provide feedback on testability. Regular communication and collaboration are essential, as you'll often coordinate test plans, report on defects, and ensure that issues are resolved before release. This cross-functional teamwork not only helps deliver high-quality software but also broadens your understanding of the product and enhances your problem-solving skills.

How much does a senior test engineer earn?

A senior test engineer typically earns between $80,000 and $120,000 annually, depending on experience, location, and industry. They often have expertise in automation tools and testing frameworks, which can influence salary levels.

What are the key skills and qualifications needed to thrive as a senior test engineer, and why are they important?

To thrive as a Senior Test Engineer, you need advanced knowledge of software testing methodologies, test automation, and quality assurance principles, typically supported by a degree in computer science or a related field. Expertise with automation tools such as Selenium, JUnit, or TestNG, and familiarity with CI/CD systems like Jenkins are often required, as well as certifications like ISTQB. Strong analytical thinking, problem-solving abilities, and effective communication skills distinguish top performers in this role. These skills are crucial for ensuring software reliability, optimizing testing processes, and collaborating effectively with development teams.

What is a senior test engineer?

Senior Test Engineers are experienced professionals responsible for designing, implementing, and overseeing testing processes to ensure the quality and reliability of software products or systems. They develop test plans, create automated and manual test cases, and collaborate with developers and other stakeholders to identify and resolve issues. Their role often includes mentoring junior team members, improving testing strategies, and ensuring that products meet industry standards and customer requirements.
What are the most commonly searched types of Test Engineer jobs in Bothell, WA? The most popular types of Test Engineer jobs in Bothell, WA are:
What are popular job titles related to Senior Test Engineer jobs in Bothell, WA? For Senior Test Engineer jobs in Bothell, WA, the most frequently searched job titles are:
What job categories do people searching Senior Test Engineer jobs in Bothell, WA look for? The top searched job categories for Senior Test Engineer jobs in Bothell, WA are:
What cities near Bothell, WA are hiring for Senior Test Engineer jobs? Cities near Bothell, WA with the most Senior Test Engineer job openings:
Senior Test Engineer jobs near you
Infographic showing various Senior Test Engineer job openings in Bothell, WA as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 16% Part Time, 3% Contract, and 1% Nights. Highlights an 93% Physical, 1% Hybrid, and 6% Remote job distribution, with an average salary of $134,722 per year, or $64.8 per hour.

Senior Test Infrastructure Software Engineer

Endurance Energy

Seattle, WA • On-site

$125K - $163K/yr

Full-time

Re-posted 16 days ago

Job description

Job Summary:
Endurance Energy is building the world’s first modular subsea geothermal power plants, converting vast thermal resources under the ocean into gigawatts of baseload power. As a Senior Test Infrastructure Software Engineer, you will build the software and infrastructure necessary for testing components and systems in subsea geothermal power plants, working closely with various engineering teams to ensure rapid validation and integration of testing capabilities.
Responsibilities:
• Design and build the software infrastructure that powers testing across Endurance, from component qualification through full integrated system validation
• Architect and implement hardware-in-the-loop (HITL) and simulation environments that allow firmware and controls software to be tested under realistic operating conditions and failure scenarios
• Develop software for automated test execution, operator interfaces, data acquisition, visualization, storage, and analysis
• Design and integrate the electrical and controls infrastructure behind new test systems, including DAQs, PLCs, VFDs, sensors, instrumentation, and industrial communication networks
• Partner closely with firmware, electrical, mechanical, controls, and systems engineers to rapidly develop new testing capabilities
• Build scrappy one-off test systems when speed matters, then evolve successful concepts into scalable engineering infrastructure
• Write production-quality software while establishing the architecture and engineering patterns that future test systems will build upon
• Own the technical foundation of Endurance’s testing ecosystem as it grows from individual laboratory experiments to full power plant validation
• Help shape the test infrastructure organization as it grows, including interviewing and onboarding future engineers
Qualifications:
Required:
• 5+ years of software engineering experience
• Track record building software for hardware systems, including automated testing, hardware-in-the-loop (HITL), industrial controls, robotics, aerospace, automotive, or other complex electromechanical products
• Strong software engineering skills, particularly in Python, with experience in C, C++, Rust, or similar systems programming languages preferred
• Experience interfacing software with physical hardware, instrumentation, embedded systems, or industrial equipment
• Technical fluency strong enough to hold credibility with mechanical, electrical, firmware, and systems engineers
• Comfort working hands-on in the lab, including wiring sensors, debugging electrical systems, integrating instrumentation, and bringing up new test hardware
• Ability to work onsite in Seattle and travel to deployment sites as required
Preferred:
• Experience building hardware-in-the-loop (HITL) or software-in-the-loop (SITL) environments
• Experience with industrial automation platforms including PLCs, DAQs, VFDs, National Instruments, Beckhoff, Siemens, or similar systems
• Experience developing simulation or emulation software for embedded or controls applications
• Familiarity with industrial communication protocols such as EtherCAT, CAN, Modbus, or OPC UA
• Experience designing data acquisition and telemetry systems for hardware development
• Background in aerospace, robotics, automotive, energy, defense, or other fast-paced hardware industries
• Experience building internal engineering infrastructure that enables other engineers to move faster
Company:
Endurance Energy develops subsea geothermal energy projects to generate continuous electricity from deep-sea hydrothermal resources. Founded in 2008, the company is headquartered in Seattle, USA, with a team of 11-50 employees. The company is currently Early Stage.

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