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Senior Software Test Engineer Jobs in Renton, WA

SpaceX

Sr. Software Engineer, Starlink Network

Redmond, WA · On-site

$137K - $180K/yr

... a Senior Software Engineer for the Starlink program. In this role, you will develop reliable ... test execution across multiple environments, including virtualized hardware environments, real ...

Protingent

Senior Software Engineer

Bellevue, WA · On-site

$56 - $95/hr

Senior Software Engineer Position Description: Protingent Staffing has an exciting contract Senior ... Design, implement, document, and test software based on formally defined requirements and bug ...

Doist

Senior Test Engineer, On-Radar Firmware

Kirkland, WA · On-site

$137.20 - $205.38/hr

The company combines the patented technology of metamaterials with powerful software to create a ... Echodyne is seeking a SENIOR TEST ENGINEER to focus on On-Radar Firmware. RESPONSIBILITIES * Design ...

Echodyne Corp

Sr. Software Developer in Test

Kirkland, WA · On-site

$56.75 - $73.25/hr

Echodyne is seeking a Sr. Software Developer in Test to help build our next-generation radar ... SDET roles * Strong hands-on experience with Python, Selenium, and API testing (e.g.: requests ...

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All JobsSoftware Test Engineer JobsSenior Software Test Engineer JobsSenior Software Test Engineer Jobs in Renton, WA

Senior Software Test Engineer information

See Renton, WA salary details

$25.3K

$141.2K

$183.9K

How much do senior software test engineer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for senior software test engineer in Renton, WA is $141,234.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,300.00 and $161,400.00 per year, depending on experience, location, and employer.

Is senior software test engineer a good career?

A senior software test engineer is a valuable role in the software development process, focusing on quality assurance, test planning, and automation tools. It offers opportunities for career growth, specialization, and competitive salaries, especially with experience in scripting and testing frameworks. The role is in demand across various industries that rely on software reliability and quality standards.

What are the key skills and qualifications needed to thrive as a senior software test engineer?

A Senior Software Test Engineer needs deep expertise in software testing methodologies, automation frameworks, and programming languages like Java, Python, or C#, typically backed by a degree in computer science or related field. Familiarity with tools such as Selenium, JUnit, TestNG, and bug-tracking systems like Jira, as well as certifications like ISTQB, is highly valuable. Strong problem-solving abilities, attention to detail, and effective communication skills enable collaboration and leadership within QA and development teams. These competencies are crucial to ensuring software quality, minimizing defects, and delivering reliable products in complex technical environments.

What are the typical collaboration points between a senior software test engineer and other teams during a project lifecycle?

Senior Software Test Engineers frequently collaborate with developers, product managers, and DevOps engineers throughout the project lifecycle. Early in the process, they work closely with developers to understand requirements and clarify acceptance criteria. During development, they coordinate on bug tracking and test coverage, and participate in sprint planning or daily stand-ups. They also interact with DevOps to integrate automated tests within CI/CD pipelines, ensuring smooth deployment and feedback cycles. This cross-functional collaboration is essential for delivering high-quality software efficiently.

What is the difference between Senior Software Test Engineer vs Software Test Engineer?

AspectSenior Software Test EngineerSoftware Test Engineer
CredentialsTypically requires 5+ years of experience, certifications like ISTQBEntry to mid-level, often with 1-3 years of experience, similar certifications
Work EnvironmentLeads testing projects, mentors junior staff, designs test strategiesPerforms test execution, reports bugs, follows test plans
Industry UsageUsed across software development companies, especially in larger teamsCommon in various tech companies, startups, and software firms

The main difference between a Senior Software Test Engineer and a Software Test Engineer lies in experience, responsibilities, and leadership. Senior roles involve strategic planning, mentorship, and complex testing, while Software Test Engineers focus on executing tests and reporting issues. Both roles are essential in ensuring software quality, with the senior position requiring more expertise and leadership skills.

What does a senior software test engineer do?

A Senior Software Test Engineer is responsible for designing, developing, and executing comprehensive test plans to ensure the quality and functionality of software products. They lead testing efforts, identify defects, and work closely with development teams to resolve issues. In addition, they may mentor junior testers, implement automation frameworks, and help define testing standards and best practices within the organization. Their goal is to ensure software reliability, performance, and user satisfaction before release.
What cities near Renton, WA are hiring for Senior Software Test Engineer jobs? Cities near Renton, WA with the most Senior Software Test Engineer job openings:
Infographic showing various Senior Software Test Engineer job openings in Renton, WA as of August 2026, with employment types broken down into 1% Internship, 86% Full Time, 10% Part Time, and 3% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $141,234 per year, or $67.9 per hour.

Sr. Software Engineer, Starlink Network

SpaceX

Redmond, WA • On-site

$137K - $180K/yr

Full-time

Re-posted 2 days ago

SpaceX rating

8.8

Company rating: 8.8 out of 10

Based on 147 frontline employees who took The Breakroom Quiz

15th of 72 rated aerospace companies

Job description

Job Summary:
SpaceX is actively developing technologies to enable human life on Mars, and they are seeking a Senior Software Engineer for the Starlink program. In this role, you will develop reliable software for their satellite-based global network, ensuring an optimal internet experience for users worldwide.
Responsibilities:
• Develop highly reliable, real-time software designed to run on the gateways, satellites, user terminals, and switches that make up our low latency, high capacity satellite-based global network.
• Participate in and lead architecture, design, and code reviews.
• Develop prototypes and manage experiments to prove out key design concepts.
• Develop tools for software development and deployment, data analysis and visualization, and test execution across multiple environments, including virtualized hardware environments, real hardware-in-the-loop simulations, and on-orbit testing.
• Deploy reliable software, test execution, and data analysis as part of a continuous integration and release system.
Qualifications:
Required:
• Bachelor’s degree in computer science, engineering, math, or STEM discipline and 5+ years of professional experience in software development experience; OR 7+ years of professional experience in software development in lieu of a degree.
• Development experience in C, C++, or assembly.
• Must be willing to work extended hours and weekends as needed.
Preferred:
• Strong professional experience writing C, C++ or assembly in a production environment.
• Developed, debugged and deployed software that has been used in real world applications/projects.
• Knowledgeable in real-time rendering, game engine development, physics simulation, or other real-time, resource-constrained, high-performance computing.
• Experience with networking protocols (UDP, TCP/IP, etc) and distributed systems.
• Experience in security issues associated with distributed systems and internet services.
• Experience with packet forwarding engines for features like NAT, ACLs, QoS, DPI, load balancing, and DDoS mitigation.
• Proven expertise in IP packet processing at L3/L4 layers, including DPDK, XDP/eBPF or user-space forwarding.
• Experience with high-scale networking hardware (e.g., SmartNICs like Mellanox/NVIDIA BlueField, Intel IPUs) is a plus.
Company:
SpaceX develops and operates rockets, satellite networks, and AI infrastructure including launch, connectivity, and cloud services. Founded in 2002, the company is headquartered in Hawthorne, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

What SpaceX employees say

Pay

Benefits

Hours and flexibility

Workplace

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About SpaceX

Sourced by ZipRecruiter

Industry

Aerospace product and parts manufacturing, data services, guided missile and space vehicle manufacturing and satellite telecommunications

Company size

1,001 - 5,000 Employees

Headquarters location

Hawthorne, CA, US

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