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Sr Test Engineer Jobs in Delaware (NOW HIRING)

Scout ET

Sr. .NET Developer

Wilmington, DE · On-site

$53 - $69.75/hr

... engineer deliverables and quality software solutions for product Writing, refurbishing and ... tests to proactively solving potential issues Database & scripting (SQL) a plus Ability to design ...

ICONMA

Senior VC++ MFC Developer

Wilmington, DE · On-site

$53 - $69.75/hr

ICONMA is an IT Services and Consultant company looking for a Senior VC++ MFC Developer for their ... tests for VC plus plus modules to ensure robust coverage, prevent regression, and support ...

Waters Corporation

Sr. Mechanical Engineer

New Castle, DE · On-site

$101K - $133K/yr

The Systems and Mechanical Engineering team is looking to hire a Mechanical Engineer of our New ... Design and run targeted tests to quickly identify knowledge gaps and improve designs * Proven ...

Waters Corporation

Sr. Mechanical Engineer

New Castle, DE

$101K - $133K/yr

The Systems and Mechanical Engineering team is looking to hire a Mechanical Engineer of our New ... Design and run targeted tests to quickly identify knowledge gaps and improve designs * Proven ...

MSYS Inc.

Senior Full Stack Developer - Onsite

Wilmington, DE · On-site

$51 - $65.75/hr

Senior Full Stack Developer - Onsite Location: Wilmington,DE Length :Long term Restriction: w2 only ... Design, develop, test, deploy, maintain, and enhance Java/J2EE applications. * Apply software ...

Waters Corporation

Sr. Mechanical Engineer

New Castle, DE

$101K - $133K/yr

The Systems and Mechanical Engineering team is looking to hire a Mechanical Engineer of our New ... Design and run targeted tests to quickly identify knowledge gaps and improve designs * Proven ...

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Showing results 41-60

All JobsSr Test Engineer JobsSr Test Engineer Jobs in Delaware

Sr Test Engineer information

See Delaware salary details

$68.6K

$118.6K

$168.6K

How much do sr test engineer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for sr test engineer in Delaware is $118,618.00, according to ZipRecruiter salary data. Most workers in this role earn between $97,600.00 and $136,600.00 per year, depending on experience, location, and employer.

What is a Sr Test Engineer?

Sr Test Engineers, or Senior Test Engineers, are experienced professionals responsible for designing, implementing, and overseeing testing processes to ensure the quality and functionality of products, typically in software or hardware development. They lead test planning, create and execute test cases, and work closely with development teams to identify and resolve defects. Additionally, Sr Test Engineers may mentor junior testers, automate test procedures, and contribute to continuous improvement of testing methodologies.

What is the difference between Sr Test Engineer vs Test Engineer?

AspectSr Test EngineerTest Engineer
Required CredentialsBachelor's degree in Computer Science or related field; experience in automation and manual testingBachelor's degree; entry-level or less experience in testing
Work EnvironmentInvolved in complex testing projects, often leading test planning and automationPerforms manual and basic automated testing under supervision
Employer & Industry UsageUsed across software, hardware, and tech companies for quality assurance rolesCommon in software development firms for entry-level testing roles

The main difference between a Sr Test Engineer and a Test Engineer lies in experience, responsibilities, and scope. Sr Test Engineers typically handle complex testing tasks, lead automation efforts, and have more industry experience, while Test Engineers focus on manual testing and basic automation. Both roles are essential in quality assurance, but the senior position involves greater leadership and technical expertise.

What are the key skills and qualifications needed to thrive as a Sr Test Engineer?

To thrive as a Sr Test Engineer, you need a deep understanding of software testing methodologies, test automation, and quality assurance principles, typically supported by a degree in computer science or a related field. Proficiency with automation tools like Selenium, JUnit, and CI/CD pipelines, as well as experience with bug tracking systems such as Jira, is common. Strong analytical thinking, problem-solving abilities, and effective communication skills help you collaborate with cross-functional teams and address complex testing challenges. These competencies are crucial for ensuring high-quality, reliable software products and efficient development cycles.

What are some common challenges Sr Test Engineers face when coordinating with development teams?

Sr Test Engineers often encounter challenges such as aligning testing priorities with tight development deadlines, ensuring clear communication of defects, and managing expectations around test coverage and quality assurance. They play a key role in bridging gaps between QA and development, often advocating for robust testing practices while adapting to fast-paced changes. Building strong collaborative relationships and proactively participating in sprint planning or daily stand-ups can help Sr Test Engineers address these challenges and contribute to the overall success of the team.
Sr Test Engineer jobs near you
Infographic showing various Sr Test Engineer job openings in Delaware as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 12% Part Time, 4% Contract, and 1% Nights. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $118,618 per year, or $57 per hour.

Contract Sr. Frontend Engineer

Waters Corporation

New Castle, DE • On-site

$118K - $162K/yr

Other

Re-posted 29 days ago

Job description

Overview
TA Instruments is a world leading Scientific Instrumentation company with a focus on Material Characterization.
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, 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 are looking for an experienced Sr. FrontEnd Engineer to join our Research and Development organization and contribute to the continued success of our Thermal Analysis and Rheology products.
This is a hybrid contract position (Requiring on-site for three days a week)
Responsibilities
As a Software Engineer you will:
  • Research, design, develop and release/maintain: User interface, Data analysis, Instrument control software for thermal analysis, rheological, and calorimetric instruments.
  • Work within a formal development process covering the full development lifecycle.
  • Provide code and supporting documentation in accordance with the coding guidelines, quality processes and applicable procedures, including team's definition of done.
  • Keep a pro-active attitude to ensure continuous improvement of the software quality, work process and individual skills.
  • Provide contributions to the application architecture with a focus on scalability, maintainability, and performance.
  • Develop and maintain scalable, responsive web applications using ReactJS and TypeScript.
  • Work closely with UX/UI designers, back end engineers, product managers, and Test Automation team to translate requirements into technical implementations.
  • Build and extend reusable component libraries and adhere to established design systems.
  • Optimize application performance for fast load times and smooth user interactions.
  • Participate in code reviews, sharing constructive feedback with peers.
  • Write unit and integration tests to ensure code quality and reliability.
  • Troubleshoot and resolve technical issues, collaborating with the team to maintain application stability.
  • Stay informed about emerging front end trends, tools, and technologies, and suggest improvements.

As a Team Member you will:
  • Participate in all team meetings and ceremonies in direct collaboration with other sites, provide input and feedback, take ownership on identified improvements.
  • Actively participate in learning and sharing activities either during informal or formal training and demos.
  • Demonstrate continuous technical improvement.

Qualifications
Education:
  • You have a Bachelors Degree (preferably in a science related subject or in engineering)

Experience:
  • 5+ years of professional front-end development experience.
  • 5+ years of hands-on experience with ReactJS in production environments.
  • Strong proficiency in TypeScript, including advanced typing, generics, and interfaces.
  • Deep understanding of HTML5, CSS3, and modern layout techniques.
  • Experience with state management libraries.
  • Familiarity with front end build tools and bundlers.
  • Proficient in writing unit and integration tests using frameworks.
  • Experience with RESTful APIs integration.
  • Solid understanding of web accessibility standards (WCAG) best practices.
  • Excellent problem-solving skills and attention to detail.

Desired:
  • Experience with server-side rendering frameworks.
  • Knowledge of CI/CD pipelines and infrastructure as code.
  • Familiarity with design tools (Figma) and collaborating with design teams.
  • Experience with performance monitoring and analytics tools.
  • Familiarity with TailWind & ReactQuery.
  • Strong communication skills and ability to work effectively in cross-functional teams.

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.

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