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Senior Software Test Engineer Jobs in Wisconsin (NOW HIRING)

Trane Limited

Agentic Software Test Engineer

La Crosse, WI · On-site

$97.41 - $135.83/hr

Agentic Software Test Engineer -- TRACE**At Trane Technologies we Challenge Possible. Our brands - including Trane and Thermo King - create access to cooling and comfort in buildings and homes ...

Firefly Aerospace

WI · On-site

$120 - $180/hr

SUMMARY Your role as a Senior Software Engineer on the test team will be critical to the success of Firefly Aerospace Software for use on launch vehicles, spacecraft, and launch facilities. You will ...

Dallas Fort Worth International Airport Board

WI · On-site

$90 - $130/hr

Under the general direction of the Sr. Manager II Information Technology Quality Assurance, the Senior Software Development Engineer in Test (SDET) will design, develop, implement, and maintain the ...

Northrop Grumman

$79K - $137K/yr

Northrop Grumman Aeronautics Systems is looking to add an Engineer Software - Test to join our team on site in San Diego, California or Grand Forks, North Dakota with a partial hybrid schedule. The ...

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Ducommun

Senior Test Engineer

Appleton, WI · On-site

Senior Test Engineer The Senior Test Engineer is responsible for developing, implementing, and ... Troubleshoot test equipment, software, fixtures, and product failures to minimize production ...

Ducommun

Senior Test Engineer

Appleton, WI

Senior Test Engineer The Senior Test Engineer is responsible for developing, implementing, and ... Troubleshoot test equipment, software, fixtures, and product failures to minimize production ...

Ducommun, Inc.

Senior Test Engineer

Appleton, WI · On-site

Senior Test Engineer The Senior Test Engineer is responsible for developing, implementing, and ... Troubleshoot test equipment, software, fixtures, and product failures to minimize production ...

Ducommun

Senior Test Engineer

Appleton, WI · On-site

Senior Test Engineer The Senior Test Engineer is responsible for developing, implementing, and ... Troubleshoot test equipment, software, fixtures, and product failures to minimize production ...

FLIR Systems, Inc.

WI · On-site

$100 - $130/hr

Demonstrated experience developing and supporting ATE systems, including LabVIEW‐based test software - required* Prior experience managing or leading engineers and technicians in a manufacturing or ...

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All JobsSoftware Test Engineer JobsSenior Software Test Engineer JobsSenior Software Test Engineer Jobs in Wisconsin

Senior Software Test Engineer information

See Wisconsin salary details

$22.7K

$126.7K

$165K

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

As of Aug 31, 2026, the average yearly pay for senior software test engineer in Wisconsin is $126,735.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,500.00 and $144,800.00 per year, depending on experience, location, and employer.

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 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.

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 higher salaries, especially with experience in scripting, testing frameworks, and industry standards. The role is in demand across technology companies and can lead to positions such as test lead or quality assurance manager.

What are the most commonly searched types of Software Test Engineer jobs in Wisconsin?

The most popular types of Software Test Engineer jobs in Wisconsin are:

What cities in Wisconsin are hiring for Senior Software Test Engineer jobs?

Cities in Wisconsin with the most Senior Software Test Engineer job openings:

Infographic showing various Senior Software Test Engineer job openings in Wisconsin as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, 2% Contract, and 1% Nights. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $126,735 per year, or $60.9 per hour.

Software Test Engineer

Madison, WI • On-site

Singlewire Software, LLC
IT Services • 51 - 200 employees
Learn more about Singlewire Software, LLCexternal

Other

Posted 8 days ago

Job description

Who We Are

Singlewire Software, based in Madison, Wisconsin, is dedicated to shaping a future where every organization can protect its people with confidence. We deliver innovative solutions, including InformaCast critical communication and incident management software, the InformaCast Wearable Alert Badge, and Visitor Aware visitor and safety management software.

Our technology helps organizations instantly reach the right people, coordinate responses, and manage critical events to empower schools, healthcare systems, manufacturers, enterprises, and public organizations to create safer environments.

Just as important as what we build is how we work. We're a collaborative, supportive team that cares deeply about our mission, our customers, and each other.

The Opportunity

We're looking for smart, creative, and driven engineers to test new safety and notification features for InformaCast, to solve difficult test automation problems, and to improve the speed and reliability with which we release new features to our customers.

InformaCast covers a wide technical footprint: cloud and on-premises notification delivery, incident management for active emergencies, wearable panic button hardware (BLE/LoRaWAN), mobile/desktop applications, IP phone/speaker integrations, and enterprise-scale administrative tools.

What You Will Do

  • Find and document bugs in everything you look at, with or without automation
  • Write clean, reusable automated API and UI tests
  • Maintain existing test suites, investigate failures, and improve test reliability
  • Create and improve tooling to effectively test our system at scale
  • Collaborate with a cross-functional team to make decisions on features, design, technology, and architecture
  • Contribute to internal documentation about the product
What We Are Looking For

Required Qualifications:

  • Education: Bachelor's degree in Computer Science, Engineering, or another technical discipline (or equivalent combination of education/experience).
  • Experience:
  • 2+ years experience in software testing
    • Demonstrated prowess at bug finding and reporting
    • Proven ability to develop test strategies independently
  • 2+ years experience in test automation
    • Proficiency in a scripting language like Groovy or Python
    • Experience designing, implementing, and maintaining automated tests
  • Demonstrated ability to solve technical problems independently

Preferred Qualifications:

  • Experience with any of the following technologies:
    • UI automation: Playwright
    • Test specification: Spock
    • Delivery and deployment: GitLab CI, Jenkins
  • Experience in functional non-UI test automation, e.g. at the API layer
  • Experience in testing distributed systems at scale
  • Experience in performance or scale testing of large systems
Our Culture

At Singlewire, we believe what we do truly matters. We're passionate about protecting people and helping organizations respond when it counts. We're a team of collaborators who support each other, work hard toward shared goals, and celebrate successes together.


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