Software Test Engineer Jobs in Washington
Software Test Engineer jobs in Washington are in strong demand, concentrated in enterprise software, cloud infrastructure, aerospace systems, and defense technology, with openings at every level from entry-level QA analyst through senior automation engineer. Seattle, Bellevue, and Redmond anchor the majority of hiring, where major employers like Microsoft, Amazon, and Boeing have longstanding testing and quality assurance teams. Automation testing, API and performance testing, and embedded systems verification are the most consistently sought specialties across Washington listings. Find a role that fits below and apply directly.
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Date: Sep 24, 2026
Location: Bellevue, WA, US, 98004
Company: PACCAR
- Perform tests of embedded software using simulated environments per the design of the software for next-generation electronic control units.
Contribute to the resolution of defects as assigned. - Create, maintain, and execute test cases aligned with software requirements to validate integration of embedded software modules.
- Verify defect fixes and perform final integration testing prior to hardware‑in‑the‑loop or system‑level testing.
- Continuously assess testing effectiveness and recommend improvements by analyzing metrics and insights throughout the SDLC/STLC.
- Design and implement test automation frameworks, harnesses, and reusable code libraries to streamline testing across multiple projects.
- Develop automated test tools—including scripts, utilities, simulators, and data sets—to support robust and scalable test automation.
- Execute automated test suites, analyze results, and document findings to support defect resolution and quality improvements.
- Contribute to the creation and refinement of procedures, best practices, and standards that strengthen the reliability and quality of delivered software systems.
- Bachelor’s degree in Computer Engineering, Software Engineering, Electrical Engineering, Computer Science, or a related technical field.
- 3+ years of software testing experience.
- Strong willingness to learn and apply new software engineering quality processes, methodologies, and tools.
- Ability to analyze, interpret, and work with software requirement specifications.
- Effective team collaborator with strong communication and problem‑solving skills.
- Proficiency with common PC software tools (e.g., project management applications, word processing, flowchart/modeling tools, presentations, spreadsheets, databases).
- Growth‑oriented mindset with the ability to thrive in a results‑driven environment.
- Ability to travel up to 10%, including internationally.
- Proficiency in scripting languages such as Python.
- Experience in automotive, commercial vehicle, or similar industry‑related software development environments.
- Hands‑on experience with embedded software development using C++, MATLAB/Simulink, Kanzi, or IBM Rational Rhapsody.
- Experience working with:
- Test Management tools (e.g., HP Quality Center, IBM Rational QM)
- Test Automation tools/environments (e.g., dSPACE)
- Network and calibration tools (e.g., Vector CANalyzer/CANoe, ATI Vision)
- Requirements Management platforms
- Engineering knowledge of heavy‑duty commercial truck systems and related regulations.
- 401k with up to a 5% company match
- Fully funded pension plan that provides monthly benefits after retirement
- Comprehensive PTO – minimum of 10 paid vacation days (additional days are provided with additional seniority/years of service), 12 paid holidays, and sick time
- Tuition reimbursement for continued education
- Medical, dental, and vision plans for you and your family
- Flexible spending account (FSA) and health account (HSA)
- Paid short-and-long-term disability programs
- Life and accidental death and dismemberment insurance
- EAP services include wellness plans, estate planning, financial counseling and more
Nearest Major Market: Seattle
Nearest Secondary Market: Bellevue
Job Segment: Test Engineer, Testing, Embedded, Electronics Engineer, Construction, Engineering, Technology
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Where Washington roles are concentrated, by current openings.
Software Test Engineer Job Market in Washington
A snapshot from current Washington openings, updated as new roles post.
Who's Hiring



Top Industries Hiring
- Technology & Software
- Medical Devices
- Aerospace & Defense
- Electronics & Hardware
What Washington Employers Look For
The qualifications that appear most often in software test engineer jobs across Washington.
- Bachelor's degree in computer science, software engineering, or a related technical field
- Hands-on experience with test automation frameworks such as Selenium, Pytest, or Cypress
- Proficiency writing test plans, test cases, and defect reports in tools like JIRA or Azure DevOps
- Familiarity with CI/CD pipelines and integrating automated tests into build workflows
- Experience testing REST APIs using tools such as Postman or equivalent
- Knowledge of Agile and Scrum methodologies commonly used in Washington software teams
Software Test Engineer Jobs in Washington: Frequently Asked Questions
How do you become a software test engineer in Washington?
Software test engineering in Washington has no state-issued license or registration requirement, so the path runs through education and demonstrated technical skill. Most Washington employers expect a bachelor's degree in computer science, software engineering, or a related field. Building hands-on experience with automation frameworks, earning widely recognized credentials like ISTQB, and assembling a portfolio of test projects or open-source contributions strengthens an application significantly in Washington's competitive tech market.
How much do software test engineers make in Washington?
Software test engineers in Washington earn a median of about $128,480 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $74,180 for the lowest 10% to over $202,730 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire software test engineers in Washington?
Employers hiring software test engineers in Washington right now include Amazon, Blue Origin, and TikTok, based on current listings on Migrate Mate as of September 2026. Washington's concentration of major technology headquarters and large aerospace and defense contractors means sustained, consistent demand for quality assurance and test engineering talent across the state.
Which Washington cities have the most software test engineer jobs?
Seattle, Redmond, and Bellevue have the most software test engineer openings in Washington. Seattle and Bellevue drive volume through their density of software product companies and cloud infrastructure teams, while Redmond reflects the sustained hiring footprint of Microsoft's campus, and other suburban Eastside cities contribute openings tied to enterprise software and aerospace contractors headquartered in the region.
Are there remote software test engineer jobs in Washington?
Yes, and more than most fields, because software testing work is inherently desk-based and tool-driven. About 17% of software test engineer openings tied to Washington are remote or hybrid as of September 2026, reflecting how readily the role translates to distributed teams. Automation engineering and API testing roles are the most consistently offered as fully remote, while embedded systems and hardware-adjacent testing positions typically require an on-site presence.
How can I get hired as a software test engineer in Washington with little or no experience?
The most realistic entry path is an associate QA or junior test analyst role, which Washington technology companies and staffing firms regularly post as explicit new-grad positions. Microsoft, Amazon, and Boeing each run internship and rotational programs that include software quality and test functions. Moving laterally from a technical support, business analyst, or junior developer role is also a recognized route. An ISTQB Foundation certification and a portfolio of personal or open-source test automation projects give candidates a concrete edge in Washington's application pools.
Where can I find and apply to software test engineer jobs in Washington?
You can find and apply to software test engineer jobs in Washington on Migrate Mate, which lists current Washington openings. Find roles that fit your experience and location and apply directly to the ones that match.
See All 30 Software Test Engineer Jobs in Washington
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