Overview

We need your talent! Waters Corporation is currently seeking a Senior Software Test Engineer to join our R&D Software team.

Our instruments are pivotal in: Electric Cars, 3D Printing, batteries, recyclable plastics, space suits, candy that melts in your mouth and not your hands, paint that goes on smooth and dries without streaks, and even ensuring your French fries have the perfect crunch to them! Material Science uniquely spans the fields of physics, chemistry, engineering, and manufacturing.

Our instruments and software come together to aid in accelerating the design of new materials as well as the quality of manufacturing those materials.

We're looking for a passionate Senior Software Test Engineer with a talent for building quality software solutions. We build complex, connected scientific instruments that combine embedded software, Linux-based platforms, cloud services, web applications, and our flagship Windows desktop software (TRIOS). This role sits at the system level—where real-world device behavior meets software quality—and ensures our platforms are robust, reliable, and ready for production and field use.

You'll own system-level validation across hardware, firmware, backend services, web interfaces, and rich desktop applications, working closely with product, firmware, software, and manufacturing teams.

Responsibilities

As a Senior Software Test Engineer, you will:

Design and execute system-level test strategies for Linux-based IoT, connected instrument platforms, and flagship Windows desktop applications (such as TRIOS).
Perform manual and automated software testing specifically targeting complex Windows desktop environments and scientific applications.
Validate end-to-end workflows across device firmware, edge services, backend APIs, web UIs, and desktop clients.
Perform functional, integration, regression, performance, and reliability testing across the entire software ecosystem.
Test system behavior under real-world conditions (network latency, device failures, power cycling, upgrades, stress scenarios).

Hardware–Software Integration

Test instrument bring-up, initialization, calibration, and recovery across firmware updates and fault conditions.
Validate operation under environmental and operational stress (temperature, vibration, long-duration runs).
Lead and support cross-disciplinary root cause analysis involving desktop software, firmware, electronics, and mechanical subsystems.
Use logs, telemetry, and lab tools (e.g., multimeter, oscilloscope, logic analyzer) to diagnose complex system issues.

Automation & CI/CD (System & Desktop Focus)

Develop and maintain automated tests at the system, API, web, and desktop application layers (Python strongly preferred; C# or UI automation tools a plus).
Integrate automated tests for both embedded Linux systems and Windows desktop applications into CI/CD pipelines to support continuous quality and release readiness.
Collaborate with DevOps and development teams on build verification, deployment validation, and preproduction testing.

Manufacturing & Field Support (Collaboration-Oriented)

Support manufacturing and service teams by validating system-level test coverage and diagnostics.
Reproduce field and manufacturing issues in lab environments and help drive corrective actions.

Qualifications

Education:

Bachelor's Degree in computer science or computer engineering preferred, or an equivalent combination of education, training, and experience.

Experience:

5+ years of experience in system testing, validation, or quality engineering for complex products.
Experience with manual and automated software testing for Windows desktop-based applications (e.g., TRIOS or similar complex analytical/instrumentation software).
Hands-on experience with Linux-based systems, embedded platforms, or IoT devices.
Proven ability to validate end-to-end systems spanning hardware and software.
Experience with test automation and scripting (Python strongly preferred).
Strong troubleshooting and root cause analysis skills across hardware–software boundaries.
Comfort working in a lab environment with physical devices or instruments.

Preferred:

Interest or foundational experience working in an analytical instrumentation domain.
Basic knowledge of Networking and TCP/IP communication.
Interest in interfacing with embedded devices.
Experience testing web applications, APIs, and backend services.
Experience with desktop UI automation frameworks (e.g., WinAppDriver, TestComplete, Selenium).
CI/CD pipeline integration (Jenkins, GitHub Actions, GitLab CI, Azure DevOps).
Docker or containerized deployments.
Exposure to cloud-connected systems (AWS, Azure, or GCP).
Performance, reliability, or long-duration system testing.
Observability tools (logs, metrics, traces).

For you, it's more than a job. Among other things, we're strong advocates of creating quality software and using the latest testing methodologies to ensure we meet the expectations of our customers.

Company Description

Waters Corporation (NYSE:WAT) is a global leader in life sciences and diagnostics, dedicated to accelerating the benefits of pioneering science through analytical technologies, informatics, and service. With a focus on regulated, high-volume testing environments, our innovative portfolio harnesses deep scientific expertise across chemistry, physics, and biology. We collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. Through a shared culture of relentless innovation, our passionate team of :16,000 colleagues turn scientific challenges into breakthroughs that improve lives worldwide.

Diversity and inclusion are fundamental to our core values at Waters Corporation. It benefits our employees, our products, our customers and our community. Waters complies with all applicable federal, state, and local laws. Qualified applicants are considered without regard to sex, race, color, ancestry, national origin, citizenship status, religion, age, marital status (including civil unions), military service, veteran status, pregnancy (including childbirth and related medical conditions), genetic information, sexual orientation, gender identity, legally recognized disability, domestic violence victim status, or any other characteristic protected by law. Waters is proud to be an equal opportunity workplace and is an affirmative action employer. All hiring decisions are based solely on qualifications, merit, and business needs at the time.

Senior Software Test Engineer WMS